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Update docs
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Rhys Weatherley
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@ -175,7 +175,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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</a> 1.8.6
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@ -175,7 +175,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
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</small></address>
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@ -182,7 +182,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</div><!-- fragment --></div><!-- contents -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
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</small></address>
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@ -193,137 +193,137 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
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<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8"> 134</a></span> <a class="code" href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a>()</div>
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<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8"> 134</a></span> <a class="code" href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a>()</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  clean(state1);</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  clean(state2);</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413"> 142</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413"> 144</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> 16;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> 16;</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> }</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">// Constants to correct Galois multiplication for the high bits</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// that are shifted out when multiplying by powers of two.</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// Constants to correct Galois multiplication for the high bits</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">static</span> uint8_t <span class="keyword">const</span> K[8] = {</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// that are shifted out when multiplying by powers of two.</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  0x00,</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keyword">static</span> uint8_t <span class="keyword">const</span> K[8] = {</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  0x1B,</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  0x00,</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  (0x1B << 1),</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  0x1B,</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  (0x1B << 1) ^ 0x1B,</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  (0x1B << 1),</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  (0x1B << 2),</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  (0x1B << 1) ^ 0x1B,</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  (0x1B << 2) ^ 0x1B,</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  (0x1B << 2),</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  (0x1B << 2) ^ (0x1B << 1),</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  (0x1B << 2) ^ 0x1B,</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  (0x1B << 2) ^ (0x1B << 1) ^ 0x1B</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  (0x1B << 2) ^ (0x1B << 1),</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> };</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  (0x1B << 2) ^ (0x1B << 1) ^ 0x1B</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> };</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// Multiply x by 2 in the Galois field, to achieve the effect of the following:</span></div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// Multiply x by 2 in the Galois field, to achieve the effect of the following:</span></div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// if (x & 0x80)</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// return (x << 1) ^ 0x1B;</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment">// if (x & 0x80)</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment">// else</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// return (x << 1) ^ 0x1B;</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">// return (x << 1);</span></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">// else</span></div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">// return (x << 1);</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">// However, we don't want to use runtime conditionals if we can help it</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment">// to avoid leaking timing information from the implementation.</span></div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// However, we don't want to use runtime conditionals if we can help it</span></div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// In this case, multiplication is slightly faster than table lookup on AVR.</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// to avoid leaking timing information from the implementation.</span></div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#define gmul2(x) (t = ((uint16_t)(x)) << 1, \</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// In this case, multiplication is slightly faster than table lookup on AVR.</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor"> ((uint8_t)t) ^ (uint8_t)(0x1B * ((uint8_t)(t >> 8))))</span></div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#define gmul2(x) (t = ((uint16_t)(x)) << 1, \</span></div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor"> ((uint8_t)t) ^ (uint8_t)(0x1B * ((uint8_t)(t >> 8))))</span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment">// Multiply x by 4 in the Galois field.</span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor">#define gmul4(x) (t = ((uint16_t)(x)) << 2, ((uint8_t)t) ^ K[t >> 8])</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// Multiply x by 4 in the Galois field.</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="preprocessor">#define gmul4(x) (t = ((uint16_t)(x)) << 2, ((uint8_t)t) ^ K[t >> 8])</span></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// Multiply x by 8 in the Galois field.</span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#define gmul8(x) (t = ((uint16_t)(x)) << 3, ((uint8_t)t) ^ K[t >> 8])</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// Multiply x by 8 in the Galois field.</span></div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor">#define gmul8(x) (t = ((uint16_t)(x)) << 3, ((uint8_t)t) ^ K[t >> 8])</span></div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor">#define OUT(col, row) output[(col) * 4 + (row)]</span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor"></span><span class="preprocessor">#define IN(col, row) input[(col) * 4 + (row)]</span></div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor">#define OUT(col, row) output[(col) * 4 + (row)]</span></div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor"></span><span class="preprocessor">#define IN(col, row) input[(col) * 4 + (row)]</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">static</span> <span class="keywordtype">void</span> subBytesAndShiftRows(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> {</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">static</span> <span class="keywordtype">void</span> subBytesAndShiftRows(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  OUT(0, 0) = pgm_read_byte(sbox + IN(0, 0));</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> {</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  OUT(0, 1) = pgm_read_byte(sbox + IN(1, 1));</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  OUT(0, 0) = pgm_read_byte(sbox + IN(0, 0));</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  OUT(0, 2) = pgm_read_byte(sbox + IN(2, 2));</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  OUT(0, 1) = pgm_read_byte(sbox + IN(1, 1));</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  OUT(0, 3) = pgm_read_byte(sbox + IN(3, 3));</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  OUT(0, 2) = pgm_read_byte(sbox + IN(2, 2));</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  OUT(1, 0) = pgm_read_byte(sbox + IN(1, 0));</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  OUT(0, 3) = pgm_read_byte(sbox + IN(3, 3));</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  OUT(1, 1) = pgm_read_byte(sbox + IN(2, 1));</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  OUT(1, 0) = pgm_read_byte(sbox + IN(1, 0));</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  OUT(1, 2) = pgm_read_byte(sbox + IN(3, 2));</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  OUT(1, 1) = pgm_read_byte(sbox + IN(2, 1));</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  OUT(1, 3) = pgm_read_byte(sbox + IN(0, 3));</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  OUT(1, 2) = pgm_read_byte(sbox + IN(3, 2));</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  OUT(2, 0) = pgm_read_byte(sbox + IN(2, 0));</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  OUT(1, 3) = pgm_read_byte(sbox + IN(0, 3));</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  OUT(2, 1) = pgm_read_byte(sbox + IN(3, 1));</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  OUT(2, 0) = pgm_read_byte(sbox + IN(2, 0));</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  OUT(2, 2) = pgm_read_byte(sbox + IN(0, 2));</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  OUT(2, 1) = pgm_read_byte(sbox + IN(3, 1));</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  OUT(2, 3) = pgm_read_byte(sbox + IN(1, 3));</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  OUT(2, 2) = pgm_read_byte(sbox + IN(0, 2));</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  OUT(3, 0) = pgm_read_byte(sbox + IN(3, 0));</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  OUT(2, 3) = pgm_read_byte(sbox + IN(1, 3));</div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  OUT(3, 1) = pgm_read_byte(sbox + IN(0, 1));</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  OUT(3, 0) = pgm_read_byte(sbox + IN(3, 0));</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  OUT(3, 2) = pgm_read_byte(sbox + IN(1, 2));</div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  OUT(3, 1) = pgm_read_byte(sbox + IN(0, 1));</div>
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  OUT(3, 3) = pgm_read_byte(sbox + IN(2, 3));</div>
|
||||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  OUT(3, 2) = pgm_read_byte(sbox + IN(1, 2));</div>
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> }</div>
|
||||||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  OUT(3, 3) = pgm_read_byte(sbox + IN(2, 3));</div>
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
|
||||||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> }</div>
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">static</span> <span class="keywordtype">void</span> inverseShiftRowsAndSubBytes(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
|
||||||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div>
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> {</div>
|
||||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword">static</span> <span class="keywordtype">void</span> inverseShiftRowsAndSubBytes(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  OUT(0, 0) = pgm_read_byte(sbox_inverse + IN(0, 0));</div>
|
||||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> {</div>
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  OUT(0, 1) = pgm_read_byte(sbox_inverse + IN(3, 1));</div>
|
||||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  OUT(0, 0) = pgm_read_byte(sbox_inverse + IN(0, 0));</div>
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  OUT(0, 2) = pgm_read_byte(sbox_inverse + IN(2, 2));</div>
|
||||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  OUT(0, 1) = pgm_read_byte(sbox_inverse + IN(3, 1));</div>
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  OUT(0, 3) = pgm_read_byte(sbox_inverse + IN(1, 3));</div>
|
||||||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  OUT(0, 2) = pgm_read_byte(sbox_inverse + IN(2, 2));</div>
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  OUT(1, 0) = pgm_read_byte(sbox_inverse + IN(1, 0));</div>
|
||||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  OUT(0, 3) = pgm_read_byte(sbox_inverse + IN(1, 3));</div>
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  OUT(1, 1) = pgm_read_byte(sbox_inverse + IN(0, 1));</div>
|
||||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  OUT(1, 0) = pgm_read_byte(sbox_inverse + IN(1, 0));</div>
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  OUT(1, 2) = pgm_read_byte(sbox_inverse + IN(3, 2));</div>
|
||||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  OUT(1, 1) = pgm_read_byte(sbox_inverse + IN(0, 1));</div>
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  OUT(1, 3) = pgm_read_byte(sbox_inverse + IN(2, 3));</div>
|
||||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  OUT(1, 2) = pgm_read_byte(sbox_inverse + IN(3, 2));</div>
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  OUT(2, 0) = pgm_read_byte(sbox_inverse + IN(2, 0));</div>
|
||||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  OUT(1, 3) = pgm_read_byte(sbox_inverse + IN(2, 3));</div>
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  OUT(2, 1) = pgm_read_byte(sbox_inverse + IN(1, 1));</div>
|
||||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  OUT(2, 0) = pgm_read_byte(sbox_inverse + IN(2, 0));</div>
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  OUT(2, 2) = pgm_read_byte(sbox_inverse + IN(0, 2));</div>
|
||||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  OUT(2, 1) = pgm_read_byte(sbox_inverse + IN(1, 1));</div>
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  OUT(2, 3) = pgm_read_byte(sbox_inverse + IN(3, 3));</div>
|
||||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  OUT(2, 2) = pgm_read_byte(sbox_inverse + IN(0, 2));</div>
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  OUT(3, 0) = pgm_read_byte(sbox_inverse + IN(3, 0));</div>
|
||||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  OUT(2, 3) = pgm_read_byte(sbox_inverse + IN(3, 3));</div>
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  OUT(3, 1) = pgm_read_byte(sbox_inverse + IN(2, 1));</div>
|
||||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  OUT(3, 0) = pgm_read_byte(sbox_inverse + IN(3, 0));</div>
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  OUT(3, 2) = pgm_read_byte(sbox_inverse + IN(1, 2));</div>
|
||||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  OUT(3, 1) = pgm_read_byte(sbox_inverse + IN(2, 1));</div>
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  OUT(3, 3) = pgm_read_byte(sbox_inverse + IN(0, 3));</div>
|
||||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  OUT(3, 2) = pgm_read_byte(sbox_inverse + IN(1, 2));</div>
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> }</div>
|
||||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  OUT(3, 3) = pgm_read_byte(sbox_inverse + IN(0, 3));</div>
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div>
|
||||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div>
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mixColumn(uint8_t *output, uint8_t *input)</div>
|
||||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div>
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> {</div>
|
||||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mixColumn(uint8_t *output, uint8_t *input)</div>
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  uint16_t t; <span class="comment">// Needed by the gmul2 macro.</span></div>
|
||||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> {</div>
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  uint8_t a = input[0];</div>
|
||||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  uint16_t t; <span class="comment">// Needed by the gmul2 macro.</span></div>
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  uint8_t b = input[1];</div>
|
||||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  uint8_t a = input[0];</div>
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  uint8_t c = input[2];</div>
|
||||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  uint8_t b = input[1];</div>
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  uint8_t d = input[3];</div>
|
||||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  uint8_t c = input[2];</div>
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  uint8_t a2 = gmul2(a);</div>
|
||||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  uint8_t d = input[3];</div>
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  uint8_t b2 = gmul2(b);</div>
|
||||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  uint8_t a2 = gmul2(a);</div>
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  uint8_t c2 = gmul2(c);</div>
|
||||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  uint8_t b2 = gmul2(b);</div>
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  uint8_t d2 = gmul2(d);</div>
|
||||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  uint8_t c2 = gmul2(c);</div>
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  output[0] = a2 ^ b2 ^ b ^ c ^ d;</div>
|
||||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  uint8_t d2 = gmul2(d);</div>
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  output[1] = a ^ b2 ^ c2 ^ c ^ d;</div>
|
||||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  output[0] = a2 ^ b2 ^ b ^ c ^ d;</div>
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  output[2] = a ^ b ^ c2 ^ d2 ^ d;</div>
|
||||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  output[1] = a ^ b2 ^ c2 ^ c ^ d;</div>
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  output[3] = a2 ^ a ^ b ^ c ^ d2;</div>
|
||||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  output[2] = a ^ b ^ c2 ^ d2 ^ d;</div>
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> }</div>
|
||||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  output[3] = a2 ^ a ^ b ^ c ^ d2;</div>
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
|
||||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">static</span> <span class="keywordtype">void</span> inverseMixColumn(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
|
||||||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div>
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> {</div>
|
||||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">static</span> <span class="keywordtype">void</span> inverseMixColumn(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  uint16_t t; <span class="comment">// Needed by the gmul2, gmul4, and gmul8 macros.</span></div>
|
||||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> {</div>
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  uint8_t a = input[0];</div>
|
||||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  uint16_t t; <span class="comment">// Needed by the gmul2, gmul4, and gmul8 macros.</span></div>
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  uint8_t b = input[1];</div>
|
||||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  uint8_t a = input[0];</div>
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  uint8_t c = input[2];</div>
|
||||||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  uint8_t b = input[1];</div>
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  uint8_t d = input[3];</div>
|
||||||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  uint8_t c = input[2];</div>
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  uint8_t a2 = gmul2(a);</div>
|
||||||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  uint8_t d = input[3];</div>
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  uint8_t b2 = gmul2(b);</div>
|
||||||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  uint8_t a2 = gmul2(a);</div>
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  uint8_t c2 = gmul2(c);</div>
|
||||||
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  uint8_t b2 = gmul2(b);</div>
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  uint8_t d2 = gmul2(d);</div>
|
||||||
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  uint8_t c2 = gmul2(c);</div>
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  uint8_t a4 = gmul4(a);</div>
|
||||||
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  uint8_t d2 = gmul2(d);</div>
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  uint8_t b4 = gmul4(b);</div>
|
||||||
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  uint8_t a4 = gmul4(a);</div>
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  uint8_t c4 = gmul4(c);</div>
|
||||||
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  uint8_t b4 = gmul4(b);</div>
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  uint8_t d4 = gmul4(d);</div>
|
||||||
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  uint8_t c4 = gmul4(c);</div>
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  uint8_t a8 = gmul8(a);</div>
|
||||||
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  uint8_t d4 = gmul4(d);</div>
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  uint8_t b8 = gmul8(b);</div>
|
||||||
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  uint8_t a8 = gmul8(a);</div>
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  uint8_t c8 = gmul8(c);</div>
|
||||||
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  uint8_t b8 = gmul8(b);</div>
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  uint8_t d8 = gmul8(d);</div>
|
||||||
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  uint8_t c8 = gmul8(c);</div>
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  output[0] = a8 ^ a4 ^ a2 ^ b8 ^ b2 ^ b ^ c8 ^ c4 ^ c ^ d8 ^ d;</div>
|
||||||
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  uint8_t d8 = gmul8(d);</div>
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  output[1] = a8 ^ a ^ b8 ^ b4 ^ b2 ^ c8 ^ c2 ^ c ^ d8 ^ d4 ^ d;</div>
|
||||||
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  output[0] = a8 ^ a4 ^ a2 ^ b8 ^ b2 ^ b ^ c8 ^ c4 ^ c ^ d8 ^ d;</div>
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  output[2] = a8 ^ a4 ^ a ^ b8 ^ b ^ c8 ^ c4 ^ c2 ^ d8 ^ d2 ^ d;</div>
|
||||||
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  output[1] = a8 ^ a ^ b8 ^ b4 ^ b2 ^ c8 ^ c2 ^ c ^ d8 ^ d4 ^ d;</div>
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  output[3] = a8 ^ a2 ^ a ^ b8 ^ b4 ^ b ^ c8 ^ c ^ d8 ^ d4 ^ d2;</div>
|
||||||
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  output[2] = a8 ^ a4 ^ a ^ b8 ^ b ^ c8 ^ c4 ^ c2 ^ d8 ^ d2 ^ d;</div>
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div>
|
||||||
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  output[3] = a8 ^ a2 ^ a ^ b8 ^ b4 ^ b ^ c8 ^ c ^ d8 ^ d4 ^ d2;</div>
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
|
||||||
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div>
|
<div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296"> 264</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
|
||||||
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div>
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> {</div>
|
||||||
<div class="line"><a name="l00266"></a><span class="lineno"><a class="line" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296"> 266</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span> uint8_t *roundKey = schedule;</div>
|
||||||
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> {</div>
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  uint8_t posn;</div>
|
||||||
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> uint8_t *roundKey = schedule;</div>
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  uint8_t round;</div>
|
||||||
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  uint8_t posn;</div>
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  uint8_t state1[16];</div>
|
||||||
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  uint8_t round;</div>
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  uint8_t state2[16];</div>
|
||||||
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div>
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div>
|
||||||
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// Copy the input into the state and XOR with the first round key.</span></div>
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// Copy the input into the state and XOR with the first round key.</span></div>
|
||||||
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
||||||
@ -353,35 +353,35 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keyword">const</span> uint8_t *roundKey = schedule + rounds * 16;</div>
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keyword">const</span> uint8_t *roundKey = schedule + rounds * 16;</div>
|
||||||
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  uint8_t round;</div>
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  uint8_t round;</div>
|
||||||
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  uint8_t posn;</div>
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  uint8_t posn;</div>
|
||||||
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div>
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  uint8_t state1[16];</div>
|
||||||
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// Copy the input into the state and reverse the final round.</span></div>
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  uint8_t state2[16];</div>
|
||||||
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
|
||||||
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  state1[posn] = input[posn] ^ roundKey[posn];</div>
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// Copy the input into the state and reverse the final round.</span></div>
|
||||||
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  inverseShiftRowsAndSubBytes(state2, state1);</div>
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
||||||
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div>
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  state1[posn] = input[posn] ^ roundKey[posn];</div>
|
||||||
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// Perform all other rounds in reverse.</span></div>
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  inverseShiftRowsAndSubBytes(state2, state1);</div>
|
||||||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">for</span> (round = rounds; round > 1; --round) {</div>
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div>
|
||||||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  roundKey -= 16;</div>
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// Perform all other rounds in reverse.</span></div>
|
||||||
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">for</span> (round = rounds; round > 1; --round) {</div>
|
||||||
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  state2[posn] ^= roundKey[posn];</div>
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  roundKey -= 16;</div>
|
||||||
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  inverseMixColumn(state1, state2);</div>
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
||||||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  inverseMixColumn(state1 + 4, state2 + 4);</div>
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  state2[posn] ^= roundKey[posn];</div>
|
||||||
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  inverseMixColumn(state1 + 8, state2 + 8);</div>
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  inverseMixColumn(state1, state2);</div>
|
||||||
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  inverseMixColumn(state1 + 12, state2 + 12);</div>
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  inverseMixColumn(state1 + 4, state2 + 4);</div>
|
||||||
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  inverseShiftRowsAndSubBytes(state2, state1);</div>
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  inverseMixColumn(state1 + 8, state2 + 8);</div>
|
||||||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div>
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  inverseMixColumn(state1 + 12, state2 + 12);</div>
|
||||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div>
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  inverseShiftRowsAndSubBytes(state2, state1);</div>
|
||||||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// Reverse the initial round and create the output words.</span></div>
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
|
||||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  roundKey -= 16;</div>
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
|
||||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="comment">// Reverse the initial round and create the output words.</span></div>
|
||||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  output[posn] = state2[posn] ^ roundKey[posn];</div>
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  roundKey -= 16;</div>
|
||||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> }</div>
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
||||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  output[posn] = state2[posn] ^ roundKey[posn];</div>
|
||||||
<div class="line"><a name="l00324"></a><span class="lineno"><a class="line" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6"> 324</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a>()</div>
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> }</div>
|
||||||
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> {</div>
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> </div>
|
||||||
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  clean(schedule, (rounds + 1) * 16);</div>
|
<div class="line"><a name="l00326"></a><span class="lineno"><a class="line" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6"> 326</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a>()</div>
|
||||||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  clean(state1);</div>
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> {</div>
|
||||||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  clean(state2);</div>
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  clean(schedule, (rounds + 1) * 16);</div>
|
||||||
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> }</div>
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> }</div>
|
||||||
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
|
||||||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="keywordtype">void</span> AESCommon::keyScheduleCore(uint8_t *output, <span class="keyword">const</span> uint8_t *input, uint8_t iteration)</div>
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="keywordtype">void</span> AESCommon::keyScheduleCore(uint8_t *output, <span class="keyword">const</span> uint8_t *input, uint8_t iteration)</div>
|
||||||
@ -408,14 +408,14 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
|
||||||
<div class="ttc" id="classAESCommon_html_a95a806adf42f975765ff62907efdc639"><div class="ttname"><a href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00295">AESCommon.cpp:295</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a95a806adf42f975765ff62907efdc639"><div class="ttname"><a href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00295">AESCommon.cpp:295</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_acf224a392659429bac80dc68c7471b21"><div class="ttname"><a href="classAESCommon.html#acf224a392659429bac80dc68c7471b21">AESCommon::AESCommon</a></div><div class="ttdeci">AESCommon()</div><div class="ttdoc">Constructs an AES block cipher object. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00125">AESCommon.cpp:125</a></div></div>
|
<div class="ttc" id="classAESCommon_html_acf224a392659429bac80dc68c7471b21"><div class="ttname"><a href="classAESCommon.html#acf224a392659429bac80dc68c7471b21">AESCommon::AESCommon</a></div><div class="ttdeci">AESCommon()</div><div class="ttdoc">Constructs an AES block cipher object. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00125">AESCommon.cpp:125</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_ae26afdcc6d18e8888974acae16df1413"><div class="ttname"><a href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of an AES block in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00144">AESCommon.cpp:144</a></div></div>
|
<div class="ttc" id="classAESCommon_html_ae26afdcc6d18e8888974acae16df1413"><div class="ttname"><a href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of an AES block in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00142">AESCommon.cpp:142</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_a8f67970c86c23affb0297fc1bb10fad8"><div class="ttname"><a href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a></div><div class="ttdeci">virtual ~AESCommon()</div><div class="ttdoc">Destroys this AES block cipher object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00134">AESCommon.cpp:134</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a8f67970c86c23affb0297fc1bb10fad8"><div class="ttname"><a href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a></div><div class="ttdeci">virtual ~AESCommon()</div><div class="ttdoc">Destroys this AES block cipher object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00134">AESCommon.cpp:134</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_a83e43f7d07e31d90fd7b768a93ecfce6"><div class="ttname"><a href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00324">AESCommon.cpp:324</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a83e43f7d07e31d90fd7b768a93ecfce6"><div class="ttname"><a href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00326">AESCommon.cpp:326</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_a2d95f6159abfcd92b5841f9018e44296"><div class="ttname"><a href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00266">AESCommon.cpp:266</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a2d95f6159abfcd92b5841f9018e44296"><div class="ttname"><a href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00264">AESCommon.cpp:264</a></div></div>
|
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</div><!-- fragment --></div><!-- contents -->
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</div><!-- fragment --></div><!-- contents -->
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||||||
<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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</small></address>
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@ -135,78 +135,75 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
|
||||||
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">void</span> keyScheduleCore(uint8_t *output, <span class="keyword">const</span> uint8_t *input, uint8_t iteration);</div>
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">void</span> keyScheduleCore(uint8_t *output, <span class="keyword">const</span> uint8_t *input, uint8_t iteration);</div>
|
||||||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">void</span> applySbox(uint8_t *output, <span class="keyword">const</span> uint8_t *input);</div>
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">void</span> applySbox(uint8_t *output, <span class="keyword">const</span> uint8_t *input);</div>
|
||||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">private</span>:</div>
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> };</div>
|
||||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint8_t state1[16];</div>
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
|
||||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint8_t state2[16];</div>
|
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classAES128.html"> 52</a></span> <span class="keyword">class </span><a class="code" href="classAES128.html">AES128</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
|
||||||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> };</div>
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div>
|
||||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">public</span>:</div>
|
||||||
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classAES128.html"> 56</a></span> <span class="keyword">class </span><a class="code" href="classAES128.html">AES128</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classAES128.html#af826ce33301767919bb60f27ad3ff693">AES128</a>();</div>
|
||||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> {</div>
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES128.html">AES128</a>();</div>
|
||||||
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">public</span>:</div>
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
|
||||||
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="classAES128.html#af826ce33301767919bb60f27ad3ff693">AES128</a>();</div>
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES128.html#aa871832a156f0ea61b964e489670ae9d">keySize</a>() <span class="keyword">const</span>;</div>
|
||||||
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES128.html">AES128</a>();</div>
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
|
||||||
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES128.html#a42d7548eb5084a2c3e2d5aa5f6f98ba4">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
|
||||||
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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||||||
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES128.html#aa871832a156f0ea61b964e489670ae9d">keySize</a>() <span class="keyword">const</span>;</div>
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">private</span>:</div>
|
||||||
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  uint8_t sched[176];</div>
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||||||
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES128.html#a42d7548eb5084a2c3e2d5aa5f6f98ba4">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> };</div>
|
||||||
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
|
||||||
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">private</span>:</div>
|
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classAES192.html"> 66</a></span> <span class="keyword">class </span><a class="code" href="classAES192.html">AES192</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
|
||||||
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  uint8_t sched[176];</div>
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div>
|
||||||
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> };</div>
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">public</span>:</div>
|
||||||
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classAES192.html#a6f8e457cfffdc12f7dd829e3ac4585ce">AES192</a>();</div>
|
||||||
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classAES192.html"> 70</a></span> <span class="keyword">class </span><a class="code" href="classAES192.html">AES192</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES192.html">AES192</a>();</div>
|
||||||
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> {</div>
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
|
||||||
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">public</span>:</div>
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES192.html#ade28843e51e262b30eb55791c83fd791">keySize</a>() <span class="keyword">const</span>;</div>
|
||||||
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classAES192.html#a6f8e457cfffdc12f7dd829e3ac4585ce">AES192</a>();</div>
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
|
||||||
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES192.html">AES192</a>();</div>
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES192.html#a4ab37cff19fb05ceef1533ebc5e37cde">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
|
||||||
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
|
||||||
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES192.html#ade28843e51e262b30eb55791c83fd791">keySize</a>() <span class="keyword">const</span>;</div>
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">private</span>:</div>
|
||||||
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uint8_t sched[208];</div>
|
||||||
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES192.html#a4ab37cff19fb05ceef1533ebc5e37cde">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> };</div>
|
||||||
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
|
||||||
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">private</span>:</div>
|
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classAES256.html"> 80</a></span> <span class="keyword">class </span><a class="code" href="classAES256.html">AES256</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
|
||||||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  uint8_t sched[208];</div>
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> {</div>
|
||||||
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> };</div>
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">public</span>:</div>
|
||||||
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="classAES256.html#a3b2cbe56f03a87ec4260be4f8914fb02">AES256</a>();</div>
|
||||||
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classAES256.html"> 84</a></span> <span class="keyword">class </span><a class="code" href="classAES256.html">AES256</a> : <span class="keyword">public</span> <a class="code" href="classAESCommon.html">AESCommon</a></div>
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES256.html">AES256</a>();</div>
|
||||||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> {</div>
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
|
||||||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">public</span>:</div>
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES256.html#af8ed6412bae6fc78274f60344899366a">keySize</a>() <span class="keyword">const</span>;</div>
|
||||||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classAES256.html#a3b2cbe56f03a87ec4260be4f8914fb02">AES256</a>();</div>
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
|
||||||
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">virtual</span> ~<a class="code" href="classAES256.html">AES256</a>();</div>
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES256.html#a6af085d2d6a730ff1e025f982121bbda">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
|
||||||
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
|
||||||
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">size_t</span> <a class="code" href="classAES256.html#af8ed6412bae6fc78274f60344899366a">keySize</a>() <span class="keyword">const</span>;</div>
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">private</span>:</div>
|
||||||
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  uint8_t sched[240];</div>
|
||||||
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">bool</span> <a class="code" href="classAES256.html#a6af085d2d6a730ff1e025f982121bbda">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> };</div>
|
||||||
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
|
||||||
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">private</span>:</div>
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  uint8_t sched[240];</div>
|
|
||||||
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> };</div>
|
|
||||||
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
|
|
||||||
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#endif</span></div>
|
|
||||||
<div class="ttc" id="classAESCommon_html_a95a806adf42f975765ff62907efdc639"><div class="ttname"><a href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00295">AESCommon.cpp:295</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a95a806adf42f975765ff62907efdc639"><div class="ttname"><a href="classAESCommon.html#a95a806adf42f975765ff62907efdc639">AESCommon::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00295">AESCommon.cpp:295</a></div></div>
|
||||||
<div class="ttc" id="classAES256_html"><div class="ttname"><a href="classAES256.html">AES256</a></div><div class="ttdoc">AES block cipher with 256-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00084">AES.h:84</a></div></div>
|
<div class="ttc" id="classAES256_html"><div class="ttname"><a href="classAES256.html">AES256</a></div><div class="ttdoc">AES block cipher with 256-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00080">AES.h:80</a></div></div>
|
||||||
<div class="ttc" id="classBlockCipher_html"><div class="ttname"><a href="classBlockCipher.html">BlockCipher</a></div><div class="ttdoc">Abstract base class for block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="BlockCipher_8h_source.html#l00029">BlockCipher.h:29</a></div></div>
|
<div class="ttc" id="classBlockCipher_html"><div class="ttname"><a href="classBlockCipher.html">BlockCipher</a></div><div class="ttdoc">Abstract base class for block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="BlockCipher_8h_source.html#l00029">BlockCipher.h:29</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_acf224a392659429bac80dc68c7471b21"><div class="ttname"><a href="classAESCommon.html#acf224a392659429bac80dc68c7471b21">AESCommon::AESCommon</a></div><div class="ttdeci">AESCommon()</div><div class="ttdoc">Constructs an AES block cipher object. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00125">AESCommon.cpp:125</a></div></div>
|
<div class="ttc" id="classAESCommon_html_acf224a392659429bac80dc68c7471b21"><div class="ttname"><a href="classAESCommon.html#acf224a392659429bac80dc68c7471b21">AESCommon::AESCommon</a></div><div class="ttdeci">AESCommon()</div><div class="ttdoc">Constructs an AES block cipher object. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00125">AESCommon.cpp:125</a></div></div>
|
||||||
<div class="ttc" id="classAES128_html_aa871832a156f0ea61b964e489670ae9d"><div class="ttname"><a href="classAES128.html#aa871832a156f0ea61b964e489670ae9d">AES128::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 128-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00055">AES128.cpp:55</a></div></div>
|
<div class="ttc" id="classAES128_html_aa871832a156f0ea61b964e489670ae9d"><div class="ttname"><a href="classAES128.html#aa871832a156f0ea61b964e489670ae9d">AES128::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 128-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00055">AES128.cpp:55</a></div></div>
|
||||||
<div class="ttc" id="classAES192_html_a4ab37cff19fb05ceef1533ebc5e37cde"><div class="ttname"><a href="classAES192.html#a4ab37cff19fb05ceef1533ebc5e37cde">AES192::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00060">AES192.cpp:60</a></div></div>
|
<div class="ttc" id="classAES192_html_a4ab37cff19fb05ceef1533ebc5e37cde"><div class="ttname"><a href="classAES192.html#a4ab37cff19fb05ceef1533ebc5e37cde">AES192::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00060">AES192.cpp:60</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_ae26afdcc6d18e8888974acae16df1413"><div class="ttname"><a href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of an AES block in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00144">AESCommon.cpp:144</a></div></div>
|
<div class="ttc" id="classAESCommon_html_ae26afdcc6d18e8888974acae16df1413"><div class="ttname"><a href="classAESCommon.html#ae26afdcc6d18e8888974acae16df1413">AESCommon::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of an AES block in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00142">AESCommon.cpp:142</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_a8f67970c86c23affb0297fc1bb10fad8"><div class="ttname"><a href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a></div><div class="ttdeci">virtual ~AESCommon()</div><div class="ttdoc">Destroys this AES block cipher object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00134">AESCommon.cpp:134</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a8f67970c86c23affb0297fc1bb10fad8"><div class="ttname"><a href="classAESCommon.html#a8f67970c86c23affb0297fc1bb10fad8">AESCommon::~AESCommon</a></div><div class="ttdeci">virtual ~AESCommon()</div><div class="ttdoc">Destroys this AES block cipher object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00134">AESCommon.cpp:134</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_a83e43f7d07e31d90fd7b768a93ecfce6"><div class="ttname"><a href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00324">AESCommon.cpp:324</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a83e43f7d07e31d90fd7b768a93ecfce6"><div class="ttname"><a href="classAESCommon.html#a83e43f7d07e31d90fd7b768a93ecfce6">AESCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00326">AESCommon.cpp:326</a></div></div>
|
||||||
<div class="ttc" id="classAES128_html_a42d7548eb5084a2c3e2d5aa5f6f98ba4"><div class="ttname"><a href="classAES128.html#a42d7548eb5084a2c3e2d5aa5f6f98ba4">AES128::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00060">AES128.cpp:60</a></div></div>
|
<div class="ttc" id="classAES128_html_a42d7548eb5084a2c3e2d5aa5f6f98ba4"><div class="ttname"><a href="classAES128.html#a42d7548eb5084a2c3e2d5aa5f6f98ba4">AES128::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00060">AES128.cpp:60</a></div></div>
|
||||||
<div class="ttc" id="classAES192_html_ade28843e51e262b30eb55791c83fd791"><div class="ttname"><a href="classAES192.html#ade28843e51e262b30eb55791c83fd791">AES192::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 192-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00055">AES192.cpp:55</a></div></div>
|
<div class="ttc" id="classAES192_html_ade28843e51e262b30eb55791c83fd791"><div class="ttname"><a href="classAES192.html#ade28843e51e262b30eb55791c83fd791">AES192::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 192-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00055">AES192.cpp:55</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html_a2d95f6159abfcd92b5841f9018e44296"><div class="ttname"><a href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00266">AESCommon.cpp:266</a></div></div>
|
<div class="ttc" id="classAESCommon_html_a2d95f6159abfcd92b5841f9018e44296"><div class="ttname"><a href="classAESCommon.html#a2d95f6159abfcd92b5841f9018e44296">AESCommon::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AESCommon_8cpp_source.html#l00264">AESCommon.cpp:264</a></div></div>
|
||||||
<div class="ttc" id="classAES256_html_a3b2cbe56f03a87ec4260be4f8914fb02"><div class="ttname"><a href="classAES256.html#a3b2cbe56f03a87ec4260be4f8914fb02">AES256::AES256</a></div><div class="ttdeci">AES256()</div><div class="ttdoc">Constructs an AES 256-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00040">AES256.cpp:40</a></div></div>
|
<div class="ttc" id="classAES256_html_a3b2cbe56f03a87ec4260be4f8914fb02"><div class="ttname"><a href="classAES256.html#a3b2cbe56f03a87ec4260be4f8914fb02">AES256::AES256</a></div><div class="ttdeci">AES256()</div><div class="ttdoc">Constructs an AES 256-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00040">AES256.cpp:40</a></div></div>
|
||||||
<div class="ttc" id="classAESCommon_html"><div class="ttname"><a href="classAESCommon.html">AESCommon</a></div><div class="ttdoc">Abstract base class for AES block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00028">AES.h:28</a></div></div>
|
<div class="ttc" id="classAESCommon_html"><div class="ttname"><a href="classAESCommon.html">AESCommon</a></div><div class="ttdoc">Abstract base class for AES block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00028">AES.h:28</a></div></div>
|
||||||
<div class="ttc" id="classAES256_html_a6af085d2d6a730ff1e025f982121bbda"><div class="ttname"><a href="classAES256.html#a6af085d2d6a730ff1e025f982121bbda">AES256::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00060">AES256.cpp:60</a></div></div>
|
<div class="ttc" id="classAES256_html_a6af085d2d6a730ff1e025f982121bbda"><div class="ttname"><a href="classAES256.html#a6af085d2d6a730ff1e025f982121bbda">AES256::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00060">AES256.cpp:60</a></div></div>
|
||||||
<div class="ttc" id="classAES128_html"><div class="ttname"><a href="classAES128.html">AES128</a></div><div class="ttdoc">AES block cipher with 128-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00056">AES.h:56</a></div></div>
|
<div class="ttc" id="classAES128_html"><div class="ttname"><a href="classAES128.html">AES128</a></div><div class="ttdoc">AES block cipher with 128-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00052">AES.h:52</a></div></div>
|
||||||
<div class="ttc" id="classAES256_html_af8ed6412bae6fc78274f60344899366a"><div class="ttname"><a href="classAES256.html#af8ed6412bae6fc78274f60344899366a">AES256::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 256-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00055">AES256.cpp:55</a></div></div>
|
<div class="ttc" id="classAES256_html_af8ed6412bae6fc78274f60344899366a"><div class="ttname"><a href="classAES256.html#af8ed6412bae6fc78274f60344899366a">AES256::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 256-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES256_8cpp_source.html#l00055">AES256.cpp:55</a></div></div>
|
||||||
<div class="ttc" id="classAES128_html_af826ce33301767919bb60f27ad3ff693"><div class="ttname"><a href="classAES128.html#af826ce33301767919bb60f27ad3ff693">AES128::AES128</a></div><div class="ttdeci">AES128()</div><div class="ttdoc">Constructs an AES 128-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00040">AES128.cpp:40</a></div></div>
|
<div class="ttc" id="classAES128_html_af826ce33301767919bb60f27ad3ff693"><div class="ttname"><a href="classAES128.html#af826ce33301767919bb60f27ad3ff693">AES128::AES128</a></div><div class="ttdeci">AES128()</div><div class="ttdoc">Constructs an AES 128-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00040">AES128.cpp:40</a></div></div>
|
||||||
<div class="ttc" id="classAES192_html"><div class="ttname"><a href="classAES192.html">AES192</a></div><div class="ttdoc">AES block cipher with 192-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00070">AES.h:70</a></div></div>
|
<div class="ttc" id="classAES192_html"><div class="ttname"><a href="classAES192.html">AES192</a></div><div class="ttdoc">AES block cipher with 192-bit keys. </div><div class="ttdef"><b>Definition:</b> <a href="AES_8h_source.html#l00066">AES.h:66</a></div></div>
|
||||||
<div class="ttc" id="classAES192_html_a6f8e457cfffdc12f7dd829e3ac4585ce"><div class="ttname"><a href="classAES192.html#a6f8e457cfffdc12f7dd829e3ac4585ce">AES192::AES192</a></div><div class="ttdeci">AES192()</div><div class="ttdoc">Constructs an AES 192-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00040">AES192.cpp:40</a></div></div>
|
<div class="ttc" id="classAES192_html_a6f8e457cfffdc12f7dd829e3ac4585ce"><div class="ttname"><a href="classAES192.html#a6f8e457cfffdc12f7dd829e3ac4585ce">AES192::AES192</a></div><div class="ttdeci">AES192()</div><div class="ttdoc">Constructs an AES 192-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES192_8cpp_source.html#l00040">AES192.cpp:40</a></div></div>
|
||||||
</div><!-- fragment --></div><!-- contents -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
|
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</small></address>
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@ -125,7 +125,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</div><!-- fragment --></div><!-- contents -->
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|
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
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</small></address>
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@ -141,7 +141,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</div><!-- fragment --></div><!-- contents -->
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<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
|
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</small></address>
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@ -278,43 +278,44 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">void</span> BLAKE2b::processChunk(uint64_t f0)</div>
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">void</span> BLAKE2b::processChunk(uint64_t f0)</div>
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||||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> {</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> {</div>
|
||||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  uint8_t index;</div>
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  uint8_t index;</div>
|
||||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div>
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  uint64_t v[16];</div>
|
||||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Byte-swap the message buffer into little-endian if necessary.</span></div>
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
|
||||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor">#if !defined(CRYPTO_LITTLE_ENDIAN)</span></div>
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Byte-swap the message buffer into little-endian if necessary.</span></div>
|
||||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (index = 0; index < 16; ++index)</div>
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#if !defined(CRYPTO_LITTLE_ENDIAN)</span></div>
|
||||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  state.m[index] = le64toh(state.m[index]);</div>
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (index = 0; index < 16; ++index)</div>
|
||||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  state.m[index] = le64toh(state.m[index]);</div>
|
||||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// Format the block to be hashed.</span></div>
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  memcpy(state.v, state.h, <span class="keyword">sizeof</span>(state.h));</div>
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// Format the block to be hashed.</span></div>
|
||||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  state.v[8] = BLAKE2b_IV0;</div>
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  memcpy(v, state.h, <span class="keyword">sizeof</span>(state.h));</div>
|
||||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  state.v[9] = BLAKE2b_IV1;</div>
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  v[8] = BLAKE2b_IV0;</div>
|
||||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  state.v[10] = BLAKE2b_IV2;</div>
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  v[9] = BLAKE2b_IV1;</div>
|
||||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  state.v[11] = BLAKE2b_IV3;</div>
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  v[10] = BLAKE2b_IV2;</div>
|
||||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  state.v[12] = BLAKE2b_IV4 ^ state.lengthLow;</div>
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  v[11] = BLAKE2b_IV3;</div>
|
||||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  state.v[13] = BLAKE2b_IV5 ^ state.lengthHigh;</div>
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  v[12] = BLAKE2b_IV4 ^ state.lengthLow;</div>
|
||||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  state.v[14] = BLAKE2b_IV6 ^ f0;</div>
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  v[13] = BLAKE2b_IV5 ^ state.lengthHigh;</div>
|
||||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  state.v[15] = BLAKE2b_IV7;</div>
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  v[14] = BLAKE2b_IV6 ^ f0;</div>
|
||||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  v[15] = BLAKE2b_IV7;</div>
|
||||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">// Perform the 12 BLAKE2b rounds.</span></div>
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
|
||||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">for</span> (index = 0; index < 12; ++index) {</div>
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// Perform the 12 BLAKE2b rounds.</span></div>
|
||||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// Column round.</span></div>
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">for</span> (index = 0; index < 12; ++index) {</div>
|
||||||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  quarterRound(state.v[0], state.v[4], state.v[8], state.v[12], 0);</div>
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// Column round.</span></div>
|
||||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  quarterRound(state.v[1], state.v[5], state.v[9], state.v[13], 1);</div>
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  quarterRound(v[0], v[4], v[8], v[12], 0);</div>
|
||||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  quarterRound(state.v[2], state.v[6], state.v[10], state.v[14], 2);</div>
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  quarterRound(v[1], v[5], v[9], v[13], 1);</div>
|
||||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  quarterRound(state.v[3], state.v[7], state.v[11], state.v[15], 3);</div>
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  quarterRound(v[2], v[6], v[10], v[14], 2);</div>
|
||||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  quarterRound(v[3], v[7], v[11], v[15], 3);</div>
|
||||||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// Diagonal round.</span></div>
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
|
||||||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  quarterRound(state.v[0], state.v[5], state.v[10], state.v[15], 4);</div>
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// Diagonal round.</span></div>
|
||||||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  quarterRound(state.v[1], state.v[6], state.v[11], state.v[12], 5);</div>
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  quarterRound(v[0], v[5], v[10], v[15], 4);</div>
|
||||||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  quarterRound(state.v[2], state.v[7], state.v[8], state.v[13], 6);</div>
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  quarterRound(v[1], v[6], v[11], v[12], 5);</div>
|
||||||
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  quarterRound(state.v[3], state.v[4], state.v[9], state.v[14], 7);</div>
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  quarterRound(v[2], v[7], v[8], v[13], 6);</div>
|
||||||
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  quarterRound(v[3], v[4], v[9], v[14], 7);</div>
|
||||||
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div>
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
|
||||||
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// Combine the new and old hash values.</span></div>
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div>
|
||||||
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">for</span> (index = 0; index < 8; ++index)</div>
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// Combine the new and old hash values.</span></div>
|
||||||
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  state.h[index] ^= (state.v[index] ^ state.v[index + 8]);</div>
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">for</span> (index = 0; index < 8; ++index)</div>
|
||||||
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> }</div>
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  state.h[index] ^= (v[index] ^ v[index + 8]);</div>
|
||||||
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> }</div>
|
||||||
<div class="ttc" id="classBLAKE2b_html_a0cd8146b7868bd0f4c24a3856f106d17"><div class="ttname"><a href="classBLAKE2b.html#a0cd8146b7868bd0f4c24a3856f106d17">BLAKE2b::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00143">BLAKE2b.cpp:143</a></div></div>
|
<div class="ttc" id="classBLAKE2b_html_a0cd8146b7868bd0f4c24a3856f106d17"><div class="ttname"><a href="classBLAKE2b.html#a0cd8146b7868bd0f4c24a3856f106d17">BLAKE2b::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00143">BLAKE2b.cpp:143</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2b_html_a917beae2ca6e9831a35717a526089e8a"><div class="ttname"><a href="classBLAKE2b.html#a917beae2ca6e9831a35717a526089e8a">BLAKE2b::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00081">BLAKE2b.cpp:81</a></div></div>
|
<div class="ttc" id="classBLAKE2b_html_a917beae2ca6e9831a35717a526089e8a"><div class="ttname"><a href="classBLAKE2b.html#a917beae2ca6e9831a35717a526089e8a">BLAKE2b::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00081">BLAKE2b.cpp:81</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2b_html_a21623759bd381285ebf7e75a00c9c8a9"><div class="ttname"><a href="classBLAKE2b.html#a21623759bd381285ebf7e75a00c9c8a9">BLAKE2b::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00159">BLAKE2b.cpp:159</a></div></div>
|
<div class="ttc" id="classBLAKE2b_html_a21623759bd381285ebf7e75a00c9c8a9"><div class="ttname"><a href="classBLAKE2b.html#a21623759bd381285ebf7e75a00c9c8a9">BLAKE2b::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00159">BLAKE2b.cpp:159</a></div></div>
|
||||||
@ -330,7 +331,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
|
<!-- start footer part -->
|
||||||
<hr class="footer"/><address class="footer"><small>
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<hr class="footer"/><address class="footer"><small>
|
||||||
Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -138,16 +138,15 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">struct </span>{</div>
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">struct </span>{</div>
|
||||||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint64_t h[8];</div>
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint64_t h[8];</div>
|
||||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint64_t m[16];</div>
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint64_t m[16];</div>
|
||||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  uint64_t v[16];</div>
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  uint64_t lengthLow;</div>
|
||||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint64_t lengthLow;</div>
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint64_t lengthHigh;</div>
|
||||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint64_t lengthHigh;</div>
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint8_t chunkSize;</div>
|
||||||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  uint8_t chunkSize;</div>
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  } state;</div>
|
||||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  } state;</div>
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
|
||||||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> processChunk(uint64_t f0);</div>
|
||||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> processChunk(uint64_t f0);</div>
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> };</div>
|
||||||
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> };</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
|
||||||
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#endif</span></div>
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|
||||||
<div class="ttc" id="classBLAKE2b_html_a0cd8146b7868bd0f4c24a3856f106d17"><div class="ttname"><a href="classBLAKE2b.html#a0cd8146b7868bd0f4c24a3856f106d17">BLAKE2b::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00143">BLAKE2b.cpp:143</a></div></div>
|
<div class="ttc" id="classBLAKE2b_html_a0cd8146b7868bd0f4c24a3856f106d17"><div class="ttname"><a href="classBLAKE2b.html#a0cd8146b7868bd0f4c24a3856f106d17">BLAKE2b::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00143">BLAKE2b.cpp:143</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2b_html_a917beae2ca6e9831a35717a526089e8a"><div class="ttname"><a href="classBLAKE2b.html#a917beae2ca6e9831a35717a526089e8a">BLAKE2b::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00081">BLAKE2b.cpp:81</a></div></div>
|
<div class="ttc" id="classBLAKE2b_html_a917beae2ca6e9831a35717a526089e8a"><div class="ttname"><a href="classBLAKE2b.html#a917beae2ca6e9831a35717a526089e8a">BLAKE2b::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00081">BLAKE2b.cpp:81</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2b_html_a21623759bd381285ebf7e75a00c9c8a9"><div class="ttname"><a href="classBLAKE2b.html#a21623759bd381285ebf7e75a00c9c8a9">BLAKE2b::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00159">BLAKE2b.cpp:159</a></div></div>
|
<div class="ttc" id="classBLAKE2b_html_a21623759bd381285ebf7e75a00c9c8a9"><div class="ttname"><a href="classBLAKE2b.html#a21623759bd381285ebf7e75a00c9c8a9">BLAKE2b::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2b_8cpp_source.html#l00159">BLAKE2b.cpp:159</a></div></div>
|
||||||
@ -163,7 +162,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
|
<!-- start footer part -->
|
||||||
<hr class="footer"/><address class="footer"><small>
|
<hr class="footer"/><address class="footer"><small>
|
||||||
Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -271,43 +271,44 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keywordtype">void</span> BLAKE2s::processChunk(uint32_t f0)</div>
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keywordtype">void</span> BLAKE2s::processChunk(uint32_t f0)</div>
|
||||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> {</div>
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> {</div>
|
||||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  uint8_t index;</div>
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  uint8_t index;</div>
|
||||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  uint32_t v[16];</div>
|
||||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// Byte-swap the message buffer into little-endian if necessary.</span></div>
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
|
||||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#if !defined(CRYPTO_LITTLE_ENDIAN)</span></div>
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// Byte-swap the message buffer into little-endian if necessary.</span></div>
|
||||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (index = 0; index < 16; ++index)</div>
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor">#if !defined(CRYPTO_LITTLE_ENDIAN)</span></div>
|
||||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  state.m[index] = le32toh(state.m[index]);</div>
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (index = 0; index < 16; ++index)</div>
|
||||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  state.m[index] = le32toh(state.m[index]);</div>
|
||||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Format the block to be hashed.</span></div>
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  memcpy(state.v, state.h, <span class="keyword">sizeof</span>(state.h));</div>
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Format the block to be hashed.</span></div>
|
||||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  state.v[8] = BLAKE2s_IV0;</div>
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  memcpy(v, state.h, <span class="keyword">sizeof</span>(state.h));</div>
|
||||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  state.v[9] = BLAKE2s_IV1;</div>
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  v[8] = BLAKE2s_IV0;</div>
|
||||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  state.v[10] = BLAKE2s_IV2;</div>
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  v[9] = BLAKE2s_IV1;</div>
|
||||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  state.v[11] = BLAKE2s_IV3;</div>
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  v[10] = BLAKE2s_IV2;</div>
|
||||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  state.v[12] = BLAKE2s_IV4 ^ (uint32_t)(state.length);</div>
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  v[11] = BLAKE2s_IV3;</div>
|
||||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  state.v[13] = BLAKE2s_IV5 ^ (uint32_t)(state.length >> 32);</div>
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  v[12] = BLAKE2s_IV4 ^ (uint32_t)(state.length);</div>
|
||||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  state.v[14] = BLAKE2s_IV6 ^ f0;</div>
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  v[13] = BLAKE2s_IV5 ^ (uint32_t)(state.length >> 32);</div>
|
||||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  state.v[15] = BLAKE2s_IV7;</div>
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  v[14] = BLAKE2s_IV6 ^ f0;</div>
|
||||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  v[15] = BLAKE2s_IV7;</div>
|
||||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// Perform the 10 BLAKE2s rounds.</span></div>
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div>
|
||||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">for</span> (index = 0; index < 10; ++index) {</div>
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// Perform the 10 BLAKE2s rounds.</span></div>
|
||||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// Column round.</span></div>
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">for</span> (index = 0; index < 10; ++index) {</div>
|
||||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  quarterRound(state.v[0], state.v[4], state.v[8], state.v[12], 0);</div>
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">// Column round.</span></div>
|
||||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  quarterRound(state.v[1], state.v[5], state.v[9], state.v[13], 1);</div>
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  quarterRound(v[0], v[4], v[8], v[12], 0);</div>
|
||||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  quarterRound(state.v[2], state.v[6], state.v[10], state.v[14], 2);</div>
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  quarterRound(v[1], v[5], v[9], v[13], 1);</div>
|
||||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  quarterRound(state.v[3], state.v[7], state.v[11], state.v[15], 3);</div>
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  quarterRound(v[2], v[6], v[10], v[14], 2);</div>
|
||||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  quarterRound(v[3], v[7], v[11], v[15], 3);</div>
|
||||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// Diagonal round.</span></div>
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
|
||||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  quarterRound(state.v[0], state.v[5], state.v[10], state.v[15], 4);</div>
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// Diagonal round.</span></div>
|
||||||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  quarterRound(state.v[1], state.v[6], state.v[11], state.v[12], 5);</div>
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  quarterRound(v[0], v[5], v[10], v[15], 4);</div>
|
||||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  quarterRound(state.v[2], state.v[7], state.v[8], state.v[13], 6);</div>
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  quarterRound(v[1], v[6], v[11], v[12], 5);</div>
|
||||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  quarterRound(state.v[3], state.v[4], state.v[9], state.v[14], 7);</div>
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  quarterRound(v[2], v[7], v[8], v[13], 6);</div>
|
||||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  quarterRound(v[3], v[4], v[9], v[14], 7);</div>
|
||||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
|
||||||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">// Combine the new and old hash values.</span></div>
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
|
||||||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">for</span> (index = 0; index < 8; ++index)</div>
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// Combine the new and old hash values.</span></div>
|
||||||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  state.h[index] ^= (state.v[index] ^ state.v[index + 8]);</div>
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">for</span> (index = 0; index < 8; ++index)</div>
|
||||||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  state.h[index] ^= (v[index] ^ v[index + 8]);</div>
|
||||||
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> }</div>
|
||||||
<div class="ttc" id="classBLAKE2s_html_a4b3187ecaa3d3c8febfbb40c0f779aa7"><div class="ttname"><a href="classBLAKE2s.html#a4b3187ecaa3d3c8febfbb40c0f779aa7">BLAKE2s::~BLAKE2s</a></div><div class="ttdeci">virtual ~BLAKE2s()</div><div class="ttdoc">Destroys this BLAKE2s hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00056">BLAKE2s.cpp:56</a></div></div>
|
<div class="ttc" id="classBLAKE2s_html_a4b3187ecaa3d3c8febfbb40c0f779aa7"><div class="ttname"><a href="classBLAKE2s.html#a4b3187ecaa3d3c8febfbb40c0f779aa7">BLAKE2s::~BLAKE2s</a></div><div class="ttdeci">virtual ~BLAKE2s()</div><div class="ttdoc">Destroys this BLAKE2s hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00056">BLAKE2s.cpp:56</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2s_html_af9f50aac096f92ba27b1b2dd48df4c52"><div class="ttname"><a href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52">BLAKE2s::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00061">BLAKE2s.cpp:61</a></div></div>
|
<div class="ttc" id="classBLAKE2s_html_af9f50aac096f92ba27b1b2dd48df4c52"><div class="ttname"><a href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52">BLAKE2s::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00061">BLAKE2s.cpp:61</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2s_html_a0848885f52df51dc53949d32a206e72d"><div class="ttname"><a href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00154">BLAKE2s.cpp:154</a></div></div>
|
<div class="ttc" id="classBLAKE2s_html_a0848885f52df51dc53949d32a206e72d"><div class="ttname"><a href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00154">BLAKE2s.cpp:154</a></div></div>
|
||||||
@ -322,7 +323,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
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|
||||||
<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
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|
||||||
</small></address>
|
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|
||||||
|
|||||||
@ -138,15 +138,14 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">struct </span>{</div>
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">struct </span>{</div>
|
||||||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint32_t h[8];</div>
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint32_t h[8];</div>
|
||||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint32_t m[16];</div>
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint32_t m[16];</div>
|
||||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  uint32_t v[16];</div>
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  uint64_t length;</div>
|
||||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint64_t length;</div>
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint8_t chunkSize;</div>
|
||||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint8_t chunkSize;</div>
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  } state;</div>
|
||||||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  } state;</div>
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
|
||||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> processChunk(uint32_t f0);</div>
|
||||||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> processChunk(uint32_t f0);</div>
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> };</div>
|
||||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> };</div>
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
|
||||||
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</span></div>
|
|
||||||
<div class="ttc" id="classBLAKE2s_html_a4b3187ecaa3d3c8febfbb40c0f779aa7"><div class="ttname"><a href="classBLAKE2s.html#a4b3187ecaa3d3c8febfbb40c0f779aa7">BLAKE2s::~BLAKE2s</a></div><div class="ttdeci">virtual ~BLAKE2s()</div><div class="ttdoc">Destroys this BLAKE2s hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00056">BLAKE2s.cpp:56</a></div></div>
|
<div class="ttc" id="classBLAKE2s_html_a4b3187ecaa3d3c8febfbb40c0f779aa7"><div class="ttname"><a href="classBLAKE2s.html#a4b3187ecaa3d3c8febfbb40c0f779aa7">BLAKE2s::~BLAKE2s</a></div><div class="ttdeci">virtual ~BLAKE2s()</div><div class="ttdoc">Destroys this BLAKE2s hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00056">BLAKE2s.cpp:56</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2s_html_af9f50aac096f92ba27b1b2dd48df4c52"><div class="ttname"><a href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52">BLAKE2s::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00061">BLAKE2s.cpp:61</a></div></div>
|
<div class="ttc" id="classBLAKE2s_html_af9f50aac096f92ba27b1b2dd48df4c52"><div class="ttname"><a href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52">BLAKE2s::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00061">BLAKE2s.cpp:61</a></div></div>
|
||||||
<div class="ttc" id="classBLAKE2s_html_a0848885f52df51dc53949d32a206e72d"><div class="ttname"><a href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00154">BLAKE2s.cpp:154</a></div></div>
|
<div class="ttc" id="classBLAKE2s_html_a0848885f52df51dc53949d32a206e72d"><div class="ttname"><a href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00154">BLAKE2s.cpp:154</a></div></div>
|
||||||
@ -162,7 +161,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -557,7 +557,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
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</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -199,7 +199,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -694,7 +694,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -271,7 +271,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
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<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -196,7 +196,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
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</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
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||||||
|
|||||||
@ -157,7 +157,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
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<hr class="footer"/><address class="footer"><small>
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
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||||||
|
|||||||
@ -125,7 +125,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
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<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
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||||||
|
|||||||
@ -146,7 +146,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -202,7 +202,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
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<hr class="footer"/><address class="footer"><small>
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -160,7 +160,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -208,7 +208,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
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||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -172,7 +172,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
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||||||
|
|||||||
@ -233,7 +233,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
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||||||
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</a> 1.8.6
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|||||||
<div class="ttc" id="classChaCha_html_af533905f679066c41f4d6cd76bddb4cb"><div class="ttname"><a href="classChaCha.html#af533905f679066c41f4d6cd76bddb4cb">ChaCha::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="ChaCha_8cpp_source.html#l00218">ChaCha.cpp:218</a></div></div>
|
<div class="ttc" id="classChaCha_html_af533905f679066c41f4d6cd76bddb4cb"><div class="ttname"><a href="classChaCha.html#af533905f679066c41f4d6cd76bddb4cb">ChaCha::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="ChaCha_8cpp_source.html#l00218">ChaCha.cpp:218</a></div></div>
|
||||||
<div class="ttc" id="classChaChaPoly_html_a2d7fc3fd05a0b6c7c9c21fff6e939c9a"><div class="ttname"><a href="classChaChaPoly.html#a2d7fc3fd05a0b6c7c9c21fff6e939c9a">ChaChaPoly::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00163">ChaChaPoly.cpp:163</a></div></div>
|
<div class="ttc" id="classChaChaPoly_html_a2d7fc3fd05a0b6c7c9c21fff6e939c9a"><div class="ttname"><a href="classChaChaPoly.html#a2d7fc3fd05a0b6c7c9c21fff6e939c9a">ChaChaPoly::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00163">ChaChaPoly.cpp:163</a></div></div>
|
||||||
<div class="ttc" id="classChaChaPoly_html_a42f556f202b1166486434ee15b6d95a0"><div class="ttname"><a href="classChaChaPoly.html#a42f556f202b1166486434ee15b6d95a0">ChaChaPoly::decrypt</a></div><div class="ttdeci">void decrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Decrypts an input buffer and writes the plaintext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00115">ChaChaPoly.cpp:115</a></div></div>
|
<div class="ttc" id="classChaChaPoly_html_a42f556f202b1166486434ee15b6d95a0"><div class="ttname"><a href="classChaChaPoly.html#a42f556f202b1166486434ee15b6d95a0">ChaChaPoly::decrypt</a></div><div class="ttdeci">void decrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Decrypts an input buffer and writes the plaintext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00115">ChaChaPoly.cpp:115</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_aaea2f40c1f22dcc2f8f690c793fb4388"><div class="ttname"><a href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a></div><div class="ttdeci">void pad()</div><div class="ttdoc">Pads the input stream with zero bytes to a multiple of 16. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00250">Poly1305.cpp:250</a></div></div>
|
<div class="ttc" id="classPoly1305_html_aaea2f40c1f22dcc2f8f690c793fb4388"><div class="ttname"><a href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a></div><div class="ttdeci">void pad()</div><div class="ttdoc">Pads the input stream with zero bytes to a multiple of 16. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00251">Poly1305.cpp:251</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_ae3f3392b9a2bd0f3472e7e50dd7e21dd"><div class="ttname"><a href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the authenticator's state, removing all sensitive data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00264">Poly1305.cpp:264</a></div></div>
|
<div class="ttc" id="classPoly1305_html_ae3f3392b9a2bd0f3472e7e50dd7e21dd"><div class="ttname"><a href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the authenticator's state, removing all sensitive data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00265">Poly1305.cpp:265</a></div></div>
|
||||||
<div class="ttc" id="classChaChaPoly_html_ae300892647dd92cbce711b834aa20c09"><div class="ttname"><a href="classChaChaPoly.html#ae300892647dd92cbce711b834aa20c09">ChaChaPoly::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00079">ChaChaPoly.cpp:79</a></div></div>
|
<div class="ttc" id="classChaChaPoly_html_ae300892647dd92cbce711b834aa20c09"><div class="ttname"><a href="classChaChaPoly.html#ae300892647dd92cbce711b834aa20c09">ChaChaPoly::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00079">ChaChaPoly.cpp:79</a></div></div>
|
||||||
<div class="ttc" id="classChaChaPoly_html_aeffb3e0df0b4da03f72f30251243d953"><div class="ttname"><a href="classChaChaPoly.html#aeffb3e0df0b4da03f72f30251243d953">ChaChaPoly::checkTag</a></div><div class="ttdeci">bool checkTag(const void *tag, size_t len)</div><div class="ttdoc">Finalizes the decryption process and checks the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00149">ChaChaPoly.cpp:149</a></div></div>
|
<div class="ttc" id="classChaChaPoly_html_aeffb3e0df0b4da03f72f30251243d953"><div class="ttname"><a href="classChaChaPoly.html#aeffb3e0df0b4da03f72f30251243d953">ChaChaPoly::checkTag</a></div><div class="ttdeci">bool checkTag(const void *tag, size_t len)</div><div class="ttdoc">Finalizes the decryption process and checks the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00149">ChaChaPoly.cpp:149</a></div></div>
|
||||||
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||||||
</a> 1.8.6
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||||||
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</a> 1.8.6
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@ -170,7 +170,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -232,7 +232,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -162,7 +162,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -160,7 +160,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</div><!-- fragment --></div><!-- contents -->
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</a> 1.8.6
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@ -149,7 +149,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  clean(y);</div>
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<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  clean(y);</div>
|
||||||
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||||||
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> }</div>
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<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> }</div>
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||||||
<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00428">RNG.cpp:428</a></div></div>
|
<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00508">RNG.cpp:508</a></div></div>
|
||||||
<div class="ttc" id="classCurve25519_html_a2e4b7dd83a019b32c76584c99bfda21a"><div class="ttname"><a href="classCurve25519.html#a2e4b7dd83a019b32c76584c99bfda21a">Curve25519::eval</a></div><div class="ttdeci">static bool eval(uint8_t result[32], const uint8_t s[32], const uint8_t x[32])</div><div class="ttdoc">Evaluates the raw Curve25519 function. </div><div class="ttdef"><b>Definition:</b> <a href="Curve25519_8cpp_source.html#l00074">Curve25519.cpp:74</a></div></div>
|
<div class="ttc" id="classCurve25519_html_a2e4b7dd83a019b32c76584c99bfda21a"><div class="ttname"><a href="classCurve25519.html#a2e4b7dd83a019b32c76584c99bfda21a">Curve25519::eval</a></div><div class="ttdeci">static bool eval(uint8_t result[32], const uint8_t s[32], const uint8_t x[32])</div><div class="ttdoc">Evaluates the raw Curve25519 function. </div><div class="ttdef"><b>Definition:</b> <a href="Curve25519_8cpp_source.html#l00074">Curve25519.cpp:74</a></div></div>
|
||||||
<div class="ttc" id="classBigNumberUtil_html_a25041f898c417c8dd63f30536287ed79"><div class="ttname"><a href="classBigNumberUtil.html#a25041f898c417c8dd63f30536287ed79">BigNumberUtil::unpackLE</a></div><div class="ttdeci">static void unpackLE(limb_t *limbs, size_t count, const uint8_t *bytes, size_t len)</div><div class="ttdoc">Unpacks the little-endian byte representation of a big number into a limb array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00055">BigNumberUtil.cpp:55</a></div></div>
|
<div class="ttc" id="classBigNumberUtil_html_a25041f898c417c8dd63f30536287ed79"><div class="ttname"><a href="classBigNumberUtil.html#a25041f898c417c8dd63f30536287ed79">BigNumberUtil::unpackLE</a></div><div class="ttdeci">static void unpackLE(limb_t *limbs, size_t count, const uint8_t *bytes, size_t len)</div><div class="ttdoc">Unpacks the little-endian byte representation of a big number into a limb array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00055">BigNumberUtil.cpp:55</a></div></div>
|
||||||
<div class="ttc" id="classBigNumberUtil_html_a989cd5f389ac5adc798d8767383e2810"><div class="ttname"><a href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810">BigNumberUtil::packLE</a></div><div class="ttdeci">static void packLE(uint8_t *bytes, size_t len, const limb_t *limbs, size_t count)</div><div class="ttdoc">Packs the little-endian byte representation of a big number into a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00208">BigNumberUtil.cpp:208</a></div></div>
|
<div class="ttc" id="classBigNumberUtil_html_a989cd5f389ac5adc798d8767383e2810"><div class="ttname"><a href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810">BigNumberUtil::packLE</a></div><div class="ttdeci">static void packLE(uint8_t *bytes, size_t len, const limb_t *limbs, size_t count)</div><div class="ttdoc">Packs the little-endian byte representation of a big number into a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00208">BigNumberUtil.cpp:208</a></div></div>
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||||||
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</a> 1.8.6
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|
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|||||||
@ -173,7 +173,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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|||||||
@ -456,7 +456,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -170,7 +170,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -415,7 +415,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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|||||||
@ -172,7 +172,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -657,7 +657,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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</a> 1.8.6
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</small></address>
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@ -202,7 +202,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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</a> 1.8.6
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</small></address>
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@ -575,7 +575,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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</a> 1.8.6
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@ -190,7 +190,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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</a> 1.8.6
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@ -257,7 +257,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -257,7 +257,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -257,7 +257,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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385
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<li class="navelem"><a class="el" href="dir_bc0718b08fb2015b8e59c47b2805f60c.html">libraries</a></li><li class="navelem"><a class="el" href="dir_e2ce51835550ba18edf07a8311722290.html">Crypto</a></li> </ul>
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<div class="title">EAX.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
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||||||
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
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||||||
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
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||||||
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
|
||||||
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
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||||||
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
|
||||||
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
|
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
|
||||||
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
|
||||||
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "EAX.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "Crypto.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <string.h></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classEAXCommon.html#ae09c9df956bf87cde02ca36c26c32f79"> 43</a></span> <a class="code" href="classEAXCommon.html#ae09c9df956bf87cde02ca36c26c32f79">EAXCommon::EAXCommon</a>()</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  : blockCipher(0)</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> {</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  state.encPosn = 0;</div>
|
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  state.authPosn = 0;</div>
|
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  state.authMode = 0;</div>
|
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div>
|
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
|
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> EAXCommon::~EAXCommon()</div>
|
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  clean(state);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classEAXCommon.html#a027956913eecfa0bc760f20f3b62df29"> 56</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classEAXCommon.html#a027956913eecfa0bc760f20f3b62df29">EAXCommon::keySize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> blockCipher-><a class="code" href="classBlockCipher.html#afde6004a859e015d877eab3c37042a0f">keySize</a>();</div>
|
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classEAXCommon.html#abc6ccfb9338c94699458723f669513bf"> 61</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classEAXCommon.html#abc6ccfb9338c94699458723f669513bf">EAXCommon::ivSize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword"></span>{</div>
|
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// Can use any size but 16 is recommended.</span></div>
|
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> 16;</div>
|
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</div>
|
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
|
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<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classEAXCommon.html#a8804341b21f752a5b8178a3bdb123fd9"> 67</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classEAXCommon.html#a8804341b21f752a5b8178a3bdb123fd9">EAXCommon::tagSize</a>()<span class="keyword"> const</span></div>
|
||||||
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword"></span>{</div>
|
||||||
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Tags can be up to 16 bytes in length.</span></div>
|
||||||
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> 16;</div>
|
||||||
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div>
|
||||||
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
|
||||||
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<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classEAXCommon.html#af5be5115c119610abb351028263d28de"> 73</a></span> <span class="keywordtype">bool</span> <a class="code" href="classEAXCommon.html#af5be5115c119610abb351028263d28de">EAXCommon::setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> {</div>
|
||||||
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> blockCipher-><a class="code" href="classBlockCipher.html#a9a05307664469777592799c8f77397c4">setKey</a>(key, len);</div>
|
||||||
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div>
|
||||||
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
|
||||||
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<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classEAXCommon.html#a33a5da1f210f01c3622fbf27208f3d45"> 78</a></span> <span class="keywordtype">bool</span> <a class="code" href="classEAXCommon.html#a33a5da1f210f01c3622fbf27208f3d45">EAXCommon::setIV</a>(<span class="keyword">const</span> uint8_t *iv, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div>
|
||||||
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// Must have at least 1 byte for the IV.</span></div>
|
||||||
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (!len)</div>
|
||||||
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||||||
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
|
||||||
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// Hash the IV to create the initial nonce for CTR mode. Also creates B.</span></div>
|
||||||
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  omacInitFirst(state.counter);</div>
|
||||||
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  omacUpdate(state.counter, iv, len);</div>
|
||||||
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  omacFinal(state.counter);</div>
|
||||||
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
|
||||||
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// The tag is initially the nonce value. Will be XOR'ed with</span></div>
|
||||||
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// the hash of the authenticated and encrypted data later.</span></div>
|
||||||
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  memcpy(state.tag, state.counter, 16);</div>
|
||||||
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
|
||||||
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// Start the hashing context for the authenticated data.</span></div>
|
||||||
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  omacInit(state.hash, 1);</div>
|
||||||
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  state.encPosn = 16;</div>
|
||||||
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  state.authMode = 1;</div>
|
||||||
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
|
||||||
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// The EAX context is ready to go.</span></div>
|
||||||
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||||||
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div>
|
||||||
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
|
||||||
|
<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classEAXCommon.html#aad2c563f749535f539b8efbd74b09099"> 102</a></span> <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#aad2c563f749535f539b8efbd74b09099">EAXCommon::encrypt</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> {</div>
|
||||||
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (state.authMode)</div>
|
||||||
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  closeAuthData();</div>
|
||||||
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  encryptCTR(output, input, len);</div>
|
||||||
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  omacUpdate(state.hash, output, len);</div>
|
||||||
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div>
|
||||||
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
|
||||||
|
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classEAXCommon.html#a63ce8ae45db137ec9d447216b84245c2"> 110</a></span> <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#a63ce8ae45db137ec9d447216b84245c2">EAXCommon::decrypt</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> {</div>
|
||||||
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (state.authMode)</div>
|
||||||
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  closeAuthData();</div>
|
||||||
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  omacUpdate(state.hash, input, len);</div>
|
||||||
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  encryptCTR(output, input, len);</div>
|
||||||
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> }</div>
|
||||||
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
|
||||||
|
<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classEAXCommon.html#acdf2c51fb11c068202311b5c95767db8"> 118</a></span> <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#acdf2c51fb11c068202311b5c95767db8">EAXCommon::addAuthData</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> {</div>
|
||||||
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (state.authMode)</div>
|
||||||
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  omacUpdate(state.hash, (<span class="keyword">const</span> uint8_t *)data, len);</div>
|
||||||
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div>
|
||||||
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
|
||||||
|
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classEAXCommon.html#ab5a61bba48561d6e7e6b8bafc51d91e3"> 124</a></span> <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#ab5a61bba48561d6e7e6b8bafc51d91e3">EAXCommon::computeTag</a>(<span class="keywordtype">void</span> *tag, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> {</div>
|
||||||
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  closeTag();</div>
|
||||||
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (len > 16)</div>
|
||||||
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  len = 16;</div>
|
||||||
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  memcpy(tag, state.tag, len);</div>
|
||||||
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div>
|
||||||
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
|
||||||
|
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classEAXCommon.html#a72c403f52cefab57566bc5f634c1b963"> 132</a></span> <span class="keywordtype">bool</span> <a class="code" href="classEAXCommon.html#a72c403f52cefab57566bc5f634c1b963">EAXCommon::checkTag</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *tag, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> {</div>
|
||||||
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Can never match if the expected tag length is too long.</span></div>
|
||||||
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> (len > 16)</div>
|
||||||
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||||||
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
|
||||||
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// Compute the final tag and check it.</span></div>
|
||||||
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  closeTag();</div>
|
||||||
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> secure_compare(state.tag, tag, len);</div>
|
||||||
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> }</div>
|
||||||
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
|
||||||
|
<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classEAXCommon.html#afa88b0f589e09103e9c69ace081db0af"> 143</a></span> <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#afa88b0f589e09103e9c69ace081db0af">EAXCommon::clear</a>()</div>
|
||||||
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> {</div>
|
||||||
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  clean(state);</div>
|
||||||
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div>
|
||||||
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
|
||||||
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// Doubles a 128-bit value in the GF(2^128) field.</span></div>
|
||||||
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="keyword">static</span> <span class="keywordtype">void</span> gfDouble(uint8_t value[16])</div>
|
||||||
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> {</div>
|
||||||
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  uint16_t temp = 0;</div>
|
||||||
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">for</span> (uint8_t index = 16; index > 0; ) {</div>
|
||||||
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  --index;</div>
|
||||||
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  temp |= (((uint16_t)(value[index])) << 1);</div>
|
||||||
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  value[index] = (uint8_t)temp;</div>
|
||||||
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  temp >>= 8;</div>
|
||||||
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
|
||||||
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  value[15] ^= (uint8_t)((-temp) & 0x87);</div>
|
||||||
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div>
|
||||||
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
|
||||||
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keywordtype">void</span> EAXCommon::omacInitFirst(uint8_t omac[16])</div>
|
||||||
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> {</div>
|
||||||
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// Start the OMAC context for the nonce. We assume that the</span></div>
|
||||||
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// data that follows will be at least 1 byte in length so that</span></div>
|
||||||
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// we can encrypt the zeroes now to derive the B value.</span></div>
|
||||||
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  memset(omac, 0, 16);</div>
|
||||||
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  blockCipher-><a class="code" href="classBlockCipher.html#aed0788b25f6bb2f1bd47d5a5f0c5db33">encryptBlock</a>(omac, omac);</div>
|
||||||
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  state.authPosn = 0;</div>
|
||||||
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
|
||||||
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// Generate the B value from the encrypted block of zeroes.</span></div>
|
||||||
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// We will need this later when finalising the OMAC hashes.</span></div>
|
||||||
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  memcpy(state.b, omac, 16);</div>
|
||||||
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  gfDouble(state.b);</div>
|
||||||
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</div>
|
||||||
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
|
||||||
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keywordtype">void</span> EAXCommon::omacInit(uint8_t omac[16], uint8_t t)</div>
|
||||||
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> {</div>
|
||||||
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  memset(omac, 0, 15);</div>
|
||||||
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  omac[15] = t;</div>
|
||||||
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  state.authPosn = 16;</div>
|
||||||
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> }</div>
|
||||||
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
|
||||||
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keywordtype">void</span> EAXCommon::omacUpdate(uint8_t omac[16], <span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> {</div>
|
||||||
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
||||||
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// Encrypt the current block if it is already full.</span></div>
|
||||||
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (state.authPosn == 16) {</div>
|
||||||
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  blockCipher-><a class="code" href="classBlockCipher.html#aed0788b25f6bb2f1bd47d5a5f0c5db33">encryptBlock</a>(omac, omac);</div>
|
||||||
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  state.authPosn = 0;</div>
|
||||||
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
|
||||||
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
|
||||||
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// XOR the incoming data with the current block.</span></div>
|
||||||
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  uint8_t size = 16 - state.authPosn;</div>
|
||||||
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (size > len)</div>
|
||||||
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  size = (uint8_t)len;</div>
|
||||||
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">for</span> (uint8_t index = 0; index < size; ++index)</div>
|
||||||
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  omac[(state.authPosn)++] ^= data[index];</div>
|
||||||
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
|
||||||
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// Move onto the next block.</span></div>
|
||||||
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  len -= size;</div>
|
||||||
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  data += size;</div>
|
||||||
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div>
|
||||||
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> }</div>
|
||||||
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
|
||||||
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="keywordtype">void</span> EAXCommon::omacFinal(uint8_t omac[16])</div>
|
||||||
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> {</div>
|
||||||
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// Apply padding if necessary.</span></div>
|
||||||
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (state.authPosn != 16) {</div>
|
||||||
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// Need padding: XOR with P = 2 * B.</span></div>
|
||||||
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  uint8_t p[16];</div>
|
||||||
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  memcpy(p, state.b, 16);</div>
|
||||||
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  gfDouble(p);</div>
|
||||||
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  omac[state.authPosn] ^= 0x80;</div>
|
||||||
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">for</span> (uint8_t index = 0; index < 16; ++index)</div>
|
||||||
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  omac[index] ^= p[index];</div>
|
||||||
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  clean(p);</div>
|
||||||
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  } <span class="keywordflow">else</span> {</div>
|
||||||
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// No padding necessary: XOR with B.</span></div>
|
||||||
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">for</span> (uint8_t index = 0; index < 16; ++index)</div>
|
||||||
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  omac[index] ^= state.b[index];</div>
|
||||||
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div>
|
||||||
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
|
||||||
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// Encrypt the hash to get the final OMAC value.</span></div>
|
||||||
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  blockCipher-><a class="code" href="classBlockCipher.html#aed0788b25f6bb2f1bd47d5a5f0c5db33">encryptBlock</a>(omac, omac);</div>
|
||||||
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
|
||||||
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div>
|
||||||
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="keywordtype">void</span> EAXCommon::closeAuthData()</div>
|
||||||
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div>
|
||||||
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// Finalise the OMAC hash and XOR it with the final tag.</span></div>
|
||||||
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  omacFinal(state.hash);</div>
|
||||||
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">for</span> (uint8_t index = 0; index < 16; ++index)</div>
|
||||||
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  state.tag[index] ^= state.hash[index];</div>
|
||||||
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  state.authMode = 0;</div>
|
||||||
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
|
||||||
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Initialise the hashing context for the ciphertext data.</span></div>
|
||||||
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  omacInit(state.hash, 2);</div>
|
||||||
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div>
|
||||||
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div>
|
||||||
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="keywordtype">void</span> EAXCommon::encryptCTR(uint8_t *output, <span class="keyword">const</span> uint8_t *input, <span class="keywordtype">size_t</span> len)</div>
|
||||||
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> {</div>
|
||||||
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
||||||
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">// Do we need to start a new block?</span></div>
|
||||||
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">if</span> (state.encPosn == 16) {</div>
|
||||||
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// Encrypt the counter to create the next keystream block.</span></div>
|
||||||
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  blockCipher-><a class="code" href="classBlockCipher.html#aed0788b25f6bb2f1bd47d5a5f0c5db33">encryptBlock</a>(state.stream, state.counter);</div>
|
||||||
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  state.encPosn = 0;</div>
|
||||||
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div>
|
||||||
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// Increment the counter, taking care not to reveal</span></div>
|
||||||
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// any timing information about the starting value.</span></div>
|
||||||
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// We iterate through the entire counter region even</span></div>
|
||||||
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// if we could stop earlier because a byte is non-zero.</span></div>
|
||||||
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  uint16_t temp = 1;</div>
|
||||||
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  uint8_t index = 16;</div>
|
||||||
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">while</span> (index > 0) {</div>
|
||||||
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  --index;</div>
|
||||||
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  temp += state.counter[index];</div>
|
||||||
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  state.counter[index] = (uint8_t)temp;</div>
|
||||||
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  temp >>= 8;</div>
|
||||||
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div>
|
||||||
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div>
|
||||||
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div>
|
||||||
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// Encrypt/decrypt the current input block.</span></div>
|
||||||
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  uint8_t size = 16 - state.encPosn;</div>
|
||||||
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (size > len)</div>
|
||||||
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  size = (uint8_t)len;</div>
|
||||||
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">for</span> (uint8_t index = 0; index < size; ++index)</div>
|
||||||
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  output[index] = input[index] ^ state.stream[(state.encPosn)++];</div>
|
||||||
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
|
||||||
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// Move onto the next block.</span></div>
|
||||||
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  len -= size;</div>
|
||||||
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  input += size;</div>
|
||||||
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  output += size;</div>
|
||||||
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div>
|
||||||
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> }</div>
|
||||||
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div>
|
||||||
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="keywordtype">void</span> EAXCommon::closeTag()</div>
|
||||||
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> {</div>
|
||||||
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// If we were only authenticating, then close off auth mode.</span></div>
|
||||||
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (state.authMode)</div>
|
||||||
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  closeAuthData();</div>
|
||||||
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div>
|
||||||
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// Finalise the hash over the ciphertext and XOR with the final tag.</span></div>
|
||||||
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  omacFinal(state.hash);</div>
|
||||||
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">for</span> (uint8_t index = 0; index < 16; ++index)</div>
|
||||||
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  state.tag[index] ^= state.hash[index];</div>
|
||||||
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> }</div>
|
||||||
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_a33a5da1f210f01c3622fbf27208f3d45"><div class="ttname"><a href="classEAXCommon.html#a33a5da1f210f01c3622fbf27208f3d45">EAXCommon::setIV</a></div><div class="ttdeci">bool setIV(const uint8_t *iv, size_t len)</div><div class="ttdoc">Sets the initialization vector to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00078">EAX.cpp:78</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_a63ce8ae45db137ec9d447216b84245c2"><div class="ttname"><a href="classEAXCommon.html#a63ce8ae45db137ec9d447216b84245c2">EAXCommon::decrypt</a></div><div class="ttdeci">void decrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Decrypts an input buffer and writes the plaintext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00110">EAX.cpp:110</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_a8804341b21f752a5b8178a3bdb123fd9"><div class="ttname"><a href="classEAXCommon.html#a8804341b21f752a5b8178a3bdb123fd9">EAXCommon::tagSize</a></div><div class="ttdeci">size_t tagSize() const </div><div class="ttdoc">Returns the size of the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00067">EAX.cpp:67</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_ae09c9df956bf87cde02ca36c26c32f79"><div class="ttname"><a href="classEAXCommon.html#ae09c9df956bf87cde02ca36c26c32f79">EAXCommon::EAXCommon</a></div><div class="ttdeci">EAXCommon()</div><div class="ttdoc">Constructs a new cipher in EAX mode. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00043">EAX.cpp:43</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_a72c403f52cefab57566bc5f634c1b963"><div class="ttname"><a href="classEAXCommon.html#a72c403f52cefab57566bc5f634c1b963">EAXCommon::checkTag</a></div><div class="ttdeci">bool checkTag(const void *tag, size_t len)</div><div class="ttdoc">Finalizes the decryption process and checks the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00132">EAX.cpp:132</a></div></div>
|
||||||
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<div class="ttc" id="classBlockCipher_html_aed0788b25f6bb2f1bd47d5a5f0c5db33"><div class="ttname"><a href="classBlockCipher.html#aed0788b25f6bb2f1bd47d5a5f0c5db33">BlockCipher::encryptBlock</a></div><div class="ttdeci">virtual void encryptBlock(uint8_t *output, const uint8_t *input)=0</div><div class="ttdoc">Encrypts a single block using this cipher. </div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_aad2c563f749535f539b8efbd74b09099"><div class="ttname"><a href="classEAXCommon.html#aad2c563f749535f539b8efbd74b09099">EAXCommon::encrypt</a></div><div class="ttdeci">void encrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Encrypts an input buffer and writes the ciphertext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00102">EAX.cpp:102</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_afa88b0f589e09103e9c69ace081db0af"><div class="ttname"><a href="classEAXCommon.html#afa88b0f589e09103e9c69ace081db0af">EAXCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00143">EAX.cpp:143</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_af5be5115c119610abb351028263d28de"><div class="ttname"><a href="classEAXCommon.html#af5be5115c119610abb351028263d28de">EAXCommon::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00073">EAX.cpp:73</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_ab5a61bba48561d6e7e6b8bafc51d91e3"><div class="ttname"><a href="classEAXCommon.html#ab5a61bba48561d6e7e6b8bafc51d91e3">EAXCommon::computeTag</a></div><div class="ttdeci">void computeTag(void *tag, size_t len)</div><div class="ttdoc">Finalizes the encryption process and computes the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00124">EAX.cpp:124</a></div></div>
|
||||||
|
<div class="ttc" id="classBlockCipher_html_a9a05307664469777592799c8f77397c4"><div class="ttname"><a href="classBlockCipher.html#a9a05307664469777592799c8f77397c4">BlockCipher::setKey</a></div><div class="ttdeci">virtual bool setKey(const uint8_t *key, size_t len)=0</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_abc6ccfb9338c94699458723f669513bf"><div class="ttname"><a href="classEAXCommon.html#abc6ccfb9338c94699458723f669513bf">EAXCommon::ivSize</a></div><div class="ttdeci">size_t ivSize() const </div><div class="ttdoc">Size of the initialization vector for this cipher, in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00061">EAX.cpp:61</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_acdf2c51fb11c068202311b5c95767db8"><div class="ttname"><a href="classEAXCommon.html#acdf2c51fb11c068202311b5c95767db8">EAXCommon::addAuthData</a></div><div class="ttdeci">void addAuthData(const void *data, size_t len)</div><div class="ttdoc">Adds extra data that will be authenticated but not encrypted. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00118">EAX.cpp:118</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_a027956913eecfa0bc760f20f3b62df29"><div class="ttname"><a href="classEAXCommon.html#a027956913eecfa0bc760f20f3b62df29">EAXCommon::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Default size of the key for this cipher, in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00056">EAX.cpp:56</a></div></div>
|
||||||
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<div class="ttc" id="classBlockCipher_html_afde6004a859e015d877eab3c37042a0f"><div class="ttname"><a href="classBlockCipher.html#afde6004a859e015d877eab3c37042a0f">BlockCipher::keySize</a></div><div class="ttdeci">virtual size_t keySize() const =0</div><div class="ttdoc">Default size of the key for this block cipher, in bytes. </div></div>
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<li class="navelem"><a class="el" href="dir_bc0718b08fb2015b8e59c47b2805f60c.html">libraries</a></li><li class="navelem"><a class="el" href="dir_e2ce51835550ba18edf07a8311722290.html">Crypto</a></li> </ul>
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<div class="title">EAX.h</div> </div>
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||||||
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<div class="contents">
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||||||
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
|
||||||
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Southern Storm Software, Pty Ltd.</span></div>
|
||||||
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
|
||||||
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
|
||||||
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
|
||||||
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
|
||||||
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
|
||||||
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
|
||||||
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
|
||||||
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
|
||||||
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
|
||||||
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
|
||||||
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
|
||||||
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
|
||||||
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
|
||||||
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
|
||||||
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
|
||||||
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
|
||||||
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
|
||||||
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
|
||||||
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
|
||||||
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
|
||||||
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef CRYPTO_EAX_h</span></div>
|
||||||
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define CRYPTO_EAX_h</span></div>
|
||||||
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
|
||||||
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "AuthenticatedCipher.h"</span></div>
|
||||||
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "BlockCipher.h"</span></div>
|
||||||
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
|
||||||
|
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classEAXCommon.html"> 29</a></span> <span class="keyword">class </span><a class="code" href="classEAXCommon.html">EAXCommon</a> : <span class="keyword">public</span> <a class="code" href="classAuthenticatedCipher.html">AuthenticatedCipher</a></div>
|
||||||
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div>
|
||||||
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">public</span>:</div>
|
||||||
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">virtual</span> ~<a class="code" href="classEAXCommon.html">EAXCommon</a>();</div>
|
||||||
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
|
||||||
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">size_t</span> <a class="code" href="classEAXCommon.html#a027956913eecfa0bc760f20f3b62df29">keySize</a>() <span class="keyword">const</span>;</div>
|
||||||
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">size_t</span> <a class="code" href="classEAXCommon.html#abc6ccfb9338c94699458723f669513bf">ivSize</a>() <span class="keyword">const</span>;</div>
|
||||||
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">size_t</span> <a class="code" href="classEAXCommon.html#a8804341b21f752a5b8178a3bdb123fd9">tagSize</a>() <span class="keyword">const</span>;</div>
|
||||||
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
|
||||||
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">bool</span> <a class="code" href="classEAXCommon.html#af5be5115c119610abb351028263d28de">setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len);</div>
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||||||
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">bool</span> <a class="code" href="classEAXCommon.html#a33a5da1f210f01c3622fbf27208f3d45">setIV</a>(<span class="keyword">const</span> uint8_t *iv, <span class="keywordtype">size_t</span> len);</div>
|
||||||
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#aad2c563f749535f539b8efbd74b09099">encrypt</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input, <span class="keywordtype">size_t</span> len);</div>
|
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#a63ce8ae45db137ec9d447216b84245c2">decrypt</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input, <span class="keywordtype">size_t</span> len);</div>
|
||||||
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#acdf2c51fb11c068202311b5c95767db8">addAuthData</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#ab5a61bba48561d6e7e6b8bafc51d91e3">computeTag</a>(<span class="keywordtype">void</span> *tag, <span class="keywordtype">size_t</span> len);</div>
|
||||||
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">bool</span> <a class="code" href="classEAXCommon.html#a72c403f52cefab57566bc5f634c1b963">checkTag</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *tag, <span class="keywordtype">size_t</span> len);</div>
|
||||||
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#afa88b0f589e09103e9c69ace081db0af">clear</a>();</div>
|
||||||
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classEAXCommon.html#ae09c9df956bf87cde02ca36c26c32f79">EAXCommon</a>();</div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classEAXCommon.html#a7db44040163b33f818cfaf47185251ca"> 53</a></span>  <span class="keywordtype">void</span> <a class="code" href="classEAXCommon.html#a7db44040163b33f818cfaf47185251ca">setBlockCipher</a>(<a class="code" href="classBlockCipher.html">BlockCipher</a> *cipher) { blockCipher = cipher; }</div>
|
||||||
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
|
||||||
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">private</span>:</div>
|
||||||
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classBlockCipher.html">BlockCipher</a> *blockCipher;</div>
|
||||||
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">struct </span>{</div>
|
||||||
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  uint8_t counter[16];</div>
|
||||||
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  uint8_t stream[16];</div>
|
||||||
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  uint8_t tag[16];</div>
|
||||||
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  uint8_t hash[16];</div>
|
||||||
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  uint8_t b[16];</div>
|
||||||
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  uint8_t encPosn;</div>
|
||||||
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  uint8_t authPosn;</div>
|
||||||
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  uint8_t authMode;</div>
|
||||||
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  } state;</div>
|
||||||
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
|
||||||
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">void</span> omacInitFirst(uint8_t omac[16]);</div>
|
||||||
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">void</span> omacInit(uint8_t omac[16], uint8_t t);</div>
|
||||||
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">void</span> omacUpdate(uint8_t omac[16], <span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> len);</div>
|
||||||
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span> omacFinal(uint8_t omac[16]);</div>
|
||||||
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
|
||||||
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">void</span> closeAuthData();</div>
|
||||||
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">void</span> encryptCTR(uint8_t *output, <span class="keyword">const</span> uint8_t *input, <span class="keywordtype">size_t</span> len);</div>
|
||||||
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">void</span> closeTag();</div>
|
||||||
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> };</div>
|
||||||
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
|
||||||
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
|
||||||
|
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classEAX.html"> 79</a></span> <span class="keyword">class </span><a class="code" href="classEAX.html">EAX</a> : <span class="keyword">public</span> <a class="code" href="classEAXCommon.html">EAXCommon</a></div>
|
||||||
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> {</div>
|
||||||
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">public</span>:</div>
|
||||||
|
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classEAX.html#a7a1f89270e885a1ca245ca978b66e09b"> 82</a></span>  <a class="code" href="classEAX.html#a7a1f89270e885a1ca245ca978b66e09b">EAX</a>() { <a class="code" href="classEAXCommon.html#a7db44040163b33f818cfaf47185251ca">setBlockCipher</a>(&cipher); }</div>
|
||||||
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
|
||||||
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">private</span>:</div>
|
||||||
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  T cipher;</div>
|
||||||
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> };</div>
|
||||||
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
|
||||||
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif</span></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_a33a5da1f210f01c3622fbf27208f3d45"><div class="ttname"><a href="classEAXCommon.html#a33a5da1f210f01c3622fbf27208f3d45">EAXCommon::setIV</a></div><div class="ttdeci">bool setIV(const uint8_t *iv, size_t len)</div><div class="ttdoc">Sets the initialization vector to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00078">EAX.cpp:78</a></div></div>
|
||||||
|
<div class="ttc" id="classBlockCipher_html"><div class="ttname"><a href="classBlockCipher.html">BlockCipher</a></div><div class="ttdoc">Abstract base class for block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="BlockCipher_8h_source.html#l00029">BlockCipher.h:29</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_a63ce8ae45db137ec9d447216b84245c2"><div class="ttname"><a href="classEAXCommon.html#a63ce8ae45db137ec9d447216b84245c2">EAXCommon::decrypt</a></div><div class="ttdeci">void decrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Decrypts an input buffer and writes the plaintext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00110">EAX.cpp:110</a></div></div>
|
||||||
|
<div class="ttc" id="classAuthenticatedCipher_html"><div class="ttname"><a href="classAuthenticatedCipher.html">AuthenticatedCipher</a></div><div class="ttdoc">Abstract base class for authenticated ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="AuthenticatedCipher_8h_source.html#l00028">AuthenticatedCipher.h:28</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_a8804341b21f752a5b8178a3bdb123fd9"><div class="ttname"><a href="classEAXCommon.html#a8804341b21f752a5b8178a3bdb123fd9">EAXCommon::tagSize</a></div><div class="ttdeci">size_t tagSize() const </div><div class="ttdoc">Returns the size of the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00067">EAX.cpp:67</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_ae09c9df956bf87cde02ca36c26c32f79"><div class="ttname"><a href="classEAXCommon.html#ae09c9df956bf87cde02ca36c26c32f79">EAXCommon::EAXCommon</a></div><div class="ttdeci">EAXCommon()</div><div class="ttdoc">Constructs a new cipher in EAX mode. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00043">EAX.cpp:43</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_a72c403f52cefab57566bc5f634c1b963"><div class="ttname"><a href="classEAXCommon.html#a72c403f52cefab57566bc5f634c1b963">EAXCommon::checkTag</a></div><div class="ttdeci">bool checkTag(const void *tag, size_t len)</div><div class="ttdoc">Finalizes the decryption process and checks the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00132">EAX.cpp:132</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html"><div class="ttname"><a href="classEAXCommon.html">EAXCommon</a></div><div class="ttdoc">Concrete base class to assist with implementing EAX for 128-bit block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8h_source.html#l00029">EAX.h:29</a></div></div>
|
||||||
|
<div class="ttc" id="classEAX_html_a7a1f89270e885a1ca245ca978b66e09b"><div class="ttname"><a href="classEAX.html#a7a1f89270e885a1ca245ca978b66e09b">EAX::EAX</a></div><div class="ttdeci">EAX()</div><div class="ttdoc">Constructs a new EAX object for the block cipher T. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8h_source.html#l00082">EAX.h:82</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_aad2c563f749535f539b8efbd74b09099"><div class="ttname"><a href="classEAXCommon.html#aad2c563f749535f539b8efbd74b09099">EAXCommon::encrypt</a></div><div class="ttdeci">void encrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Encrypts an input buffer and writes the ciphertext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00102">EAX.cpp:102</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_afa88b0f589e09103e9c69ace081db0af"><div class="ttname"><a href="classEAXCommon.html#afa88b0f589e09103e9c69ace081db0af">EAXCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00143">EAX.cpp:143</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_af5be5115c119610abb351028263d28de"><div class="ttname"><a href="classEAXCommon.html#af5be5115c119610abb351028263d28de">EAXCommon::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00073">EAX.cpp:73</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_ab5a61bba48561d6e7e6b8bafc51d91e3"><div class="ttname"><a href="classEAXCommon.html#ab5a61bba48561d6e7e6b8bafc51d91e3">EAXCommon::computeTag</a></div><div class="ttdeci">void computeTag(void *tag, size_t len)</div><div class="ttdoc">Finalizes the encryption process and computes the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00124">EAX.cpp:124</a></div></div>
|
||||||
|
<div class="ttc" id="classEAX_html"><div class="ttname"><a href="classEAX.html">EAX</a></div><div class="ttdoc">Implementation of the EAX authenticated cipher. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8h_source.html#l00079">EAX.h:79</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_a7db44040163b33f818cfaf47185251ca"><div class="ttname"><a href="classEAXCommon.html#a7db44040163b33f818cfaf47185251ca">EAXCommon::setBlockCipher</a></div><div class="ttdeci">void setBlockCipher(BlockCipher *cipher)</div><div class="ttdoc">Sets the block cipher to use for this EAX object. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8h_source.html#l00053">EAX.h:53</a></div></div>
|
||||||
|
<div class="ttc" id="classEAXCommon_html_abc6ccfb9338c94699458723f669513bf"><div class="ttname"><a href="classEAXCommon.html#abc6ccfb9338c94699458723f669513bf">EAXCommon::ivSize</a></div><div class="ttdeci">size_t ivSize() const </div><div class="ttdoc">Size of the initialization vector for this cipher, in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00061">EAX.cpp:61</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_acdf2c51fb11c068202311b5c95767db8"><div class="ttname"><a href="classEAXCommon.html#acdf2c51fb11c068202311b5c95767db8">EAXCommon::addAuthData</a></div><div class="ttdeci">void addAuthData(const void *data, size_t len)</div><div class="ttdoc">Adds extra data that will be authenticated but not encrypted. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00118">EAX.cpp:118</a></div></div>
|
||||||
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<div class="ttc" id="classEAXCommon_html_a027956913eecfa0bc760f20f3b62df29"><div class="ttname"><a href="classEAXCommon.html#a027956913eecfa0bc760f20f3b62df29">EAXCommon::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Default size of the key for this cipher, in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="EAX_8cpp_source.html#l00056">EAX.cpp:56</a></div></div>
|
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</div><!-- fragment --></div><!-- contents -->
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</a> 1.8.6
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</small></address>
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@ -282,7 +282,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
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</small></address>
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@ -186,7 +186,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</div><!-- fragment --></div><!-- contents -->
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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</small></address>
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@ -557,7 +557,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="ttc" id="classBigNumberUtil_html_a00c9cde0b626788a60552a6bc9ce058b"><div class="ttname"><a href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b">BigNumberUtil::reduceQuick_P</a></div><div class="ttdeci">static void reduceQuick_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Reduces x modulo y using subtraction where y is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00620">BigNumberUtil.cpp:620</a></div></div>
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<div class="ttc" id="classBigNumberUtil_html_a00c9cde0b626788a60552a6bc9ce058b"><div class="ttname"><a href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b">BigNumberUtil::reduceQuick_P</a></div><div class="ttdeci">static void reduceQuick_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Reduces x modulo y using subtraction where y is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00620">BigNumberUtil.cpp:620</a></div></div>
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<div class="ttc" id="classEd25519_html_ab8be5115ac5adc8a556dbac7d7e90d2e"><div class="ttname"><a href="classEd25519.html#ab8be5115ac5adc8a556dbac7d7e90d2e">Ed25519::generatePrivateKey</a></div><div class="ttdeci">static void generatePrivateKey(uint8_t privateKey[32])</div><div class="ttdoc">Generates a private key for Ed25519 signing operations. </div><div class="ttdef"><b>Definition:</b> <a href="Ed25519_8cpp_source.html#l00243">Ed25519.cpp:243</a></div></div>
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<div class="ttc" id="classEd25519_html_ab8be5115ac5adc8a556dbac7d7e90d2e"><div class="ttname"><a href="classEd25519.html#ab8be5115ac5adc8a556dbac7d7e90d2e">Ed25519::generatePrivateKey</a></div><div class="ttdeci">static void generatePrivateKey(uint8_t privateKey[32])</div><div class="ttdoc">Generates a private key for Ed25519 signing operations. </div><div class="ttdef"><b>Definition:</b> <a href="Ed25519_8cpp_source.html#l00243">Ed25519.cpp:243</a></div></div>
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<div class="ttc" id="classBigNumberUtil_html_aa6904b2727af6b767fe041b1b7f27414"><div class="ttname"><a href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414">BigNumberUtil::add</a></div><div class="ttdeci">static limb_t add(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Adds two big numbers. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00381">BigNumberUtil.cpp:381</a></div></div>
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<div class="ttc" id="classBigNumberUtil_html_aa6904b2727af6b767fe041b1b7f27414"><div class="ttname"><a href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414">BigNumberUtil::add</a></div><div class="ttdeci">static limb_t add(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Adds two big numbers. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00381">BigNumberUtil.cpp:381</a></div></div>
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<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00428">RNG.cpp:428</a></div></div>
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<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00508">RNG.cpp:508</a></div></div>
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<div class="ttc" id="classEd25519_html_ae3e2fc405c9cd8cb1d3ab9b8b452d3e4"><div class="ttname"><a href="classEd25519.html#ae3e2fc405c9cd8cb1d3ab9b8b452d3e4">Ed25519::verify</a></div><div class="ttdeci">static bool verify(const uint8_t signature[64], const uint8_t publicKey[32], const void *message, size_t len)</div><div class="ttdoc">Verifies a signature using a specific Ed25519 public key. </div><div class="ttdef"><b>Definition:</b> <a href="Ed25519_8cpp_source.html#l00189">Ed25519.cpp:189</a></div></div>
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<div class="ttc" id="classEd25519_html_ae3e2fc405c9cd8cb1d3ab9b8b452d3e4"><div class="ttname"><a href="classEd25519.html#ae3e2fc405c9cd8cb1d3ab9b8b452d3e4">Ed25519::verify</a></div><div class="ttdeci">static bool verify(const uint8_t signature[64], const uint8_t publicKey[32], const void *message, size_t len)</div><div class="ttdoc">Verifies a signature using a specific Ed25519 public key. </div><div class="ttdef"><b>Definition:</b> <a href="Ed25519_8cpp_source.html#l00189">Ed25519.cpp:189</a></div></div>
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<div class="ttc" id="classSHA512_html"><div class="ttname"><a href="classSHA512.html">SHA512</a></div><div class="ttdoc">SHA-512 hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="SHA512_8h_source.html#l00030">SHA512.h:30</a></div></div>
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<div class="ttc" id="classSHA512_html"><div class="ttname"><a href="classSHA512.html">SHA512</a></div><div class="ttdoc">SHA-512 hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="SHA512_8h_source.html#l00030">SHA512.h:30</a></div></div>
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<div class="ttc" id="classSHA512_html_a0d009e8d9157c3f14323e68631c33e97"><div class="ttname"><a href="classSHA512.html#a0d009e8d9157c3f14323e68631c33e97">SHA512::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="SHA512_8cpp_source.html#l00066">SHA512.cpp:66</a></div></div>
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<div class="ttc" id="classSHA512_html_a0d009e8d9157c3f14323e68631c33e97"><div class="ttname"><a href="classSHA512.html#a0d009e8d9157c3f14323e68631c33e97">SHA512::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="SHA512_8cpp_source.html#l00066">SHA512.cpp:66</a></div></div>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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@ -168,7 +168,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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@ -196,7 +196,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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@ -164,7 +164,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -278,7 +278,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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</a> 1.8.6
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@ -172,7 +172,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -136,13 +136,13 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classGCMCommon.html#a01cff072505e861fd20f6cfee1e10fb2"> 66</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classGCMCommon.html#a01cff072505e861fd20f6cfee1e10fb2">GCMCommon::ivSize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classGCMCommon.html#a01cff072505e861fd20f6cfee1e10fb2"> 66</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classGCMCommon.html#a01cff072505e861fd20f6cfee1e10fb2">GCMCommon::ivSize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> 16;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// The GCM specification recommends an IV size of 96 bits.</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> 12;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classGCMCommon.html#a935f343858e98ee331706daf43e34805"> 71</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classGCMCommon.html#a935f343858e98ee331706daf43e34805">GCMCommon::tagSize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classGCMCommon.html#a935f343858e98ee331706daf43e34805"> 72</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classGCMCommon.html#a935f343858e98ee331706daf43e34805">GCMCommon::tagSize</a>()<span class="keyword"> const</span></div>
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||||||
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// The GCM specification recommends an IV size of 96 bits.</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword"></span>{</div>
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||||||
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> 12;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> 16;</div>
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||||||
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562"> 77</a></span> <span class="keywordtype">bool</span> <a class="code" href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562">GCMCommon::setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len)</div>
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<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562"> 77</a></span> <span class="keywordtype">bool</span> <a class="code" href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562">GCMCommon::setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len)</div>
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||||||
@ -329,7 +329,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
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<div class="ttc" id="classGCMCommon_html_a444634bd4469bb5d404ac882d1d8fdf4"><div class="ttname"><a href="classGCMCommon.html#a444634bd4469bb5d404ac882d1d8fdf4">GCMCommon::computeTag</a></div><div class="ttdeci">void computeTag(void *tag, size_t len)</div><div class="ttdoc">Finalizes the encryption process and computes the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00225">GCM.cpp:225</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a444634bd4469bb5d404ac882d1d8fdf4"><div class="ttname"><a href="classGCMCommon.html#a444634bd4469bb5d404ac882d1d8fdf4">GCMCommon::computeTag</a></div><div class="ttdeci">void computeTag(void *tag, size_t len)</div><div class="ttdoc">Finalizes the encryption process and computes the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00225">GCM.cpp:225</a></div></div>
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||||||
<div class="ttc" id="classGCMCommon_html_a397c5dddde828c59eb63367385aec562"><div class="ttname"><a href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562">GCMCommon::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00077">GCM.cpp:77</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a397c5dddde828c59eb63367385aec562"><div class="ttname"><a href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562">GCMCommon::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00077">GCM.cpp:77</a></div></div>
|
||||||
<div class="ttc" id="classGCMCommon_html_a935f343858e98ee331706daf43e34805"><div class="ttname"><a href="classGCMCommon.html#a935f343858e98ee331706daf43e34805">GCMCommon::tagSize</a></div><div class="ttdeci">size_t tagSize() const </div><div class="ttdoc">Returns the size of the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00071">GCM.cpp:71</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a935f343858e98ee331706daf43e34805"><div class="ttname"><a href="classGCMCommon.html#a935f343858e98ee331706daf43e34805">GCMCommon::tagSize</a></div><div class="ttdeci">size_t tagSize() const </div><div class="ttdoc">Returns the size of the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00072">GCM.cpp:72</a></div></div>
|
||||||
<div class="ttc" id="classGCMCommon_html_a01ac69afe3d9fc4d72b2ea5dc242e55c"><div class="ttname"><a href="classGCMCommon.html#a01ac69afe3d9fc4d72b2ea5dc242e55c">GCMCommon::encrypt</a></div><div class="ttdeci">void encrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Encrypts an input buffer and writes the ciphertext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00145">GCM.cpp:145</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a01ac69afe3d9fc4d72b2ea5dc242e55c"><div class="ttname"><a href="classGCMCommon.html#a01ac69afe3d9fc4d72b2ea5dc242e55c">GCMCommon::encrypt</a></div><div class="ttdeci">void encrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Encrypts an input buffer and writes the ciphertext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00145">GCM.cpp:145</a></div></div>
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||||||
<div class="ttc" id="classGCMCommon_html_a06868ebd67a571aa68d88d5d072cece9"><div class="ttname"><a href="classGCMCommon.html#a06868ebd67a571aa68d88d5d072cece9">GCMCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00256">GCM.cpp:256</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a06868ebd67a571aa68d88d5d072cece9"><div class="ttname"><a href="classGCMCommon.html#a06868ebd67a571aa68d88d5d072cece9">GCMCommon::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00256">GCM.cpp:256</a></div></div>
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||||||
<div class="ttc" id="classGCMCommon_html_a70229be2fe2274c4109fe7511481075a"><div class="ttname"><a href="classGCMCommon.html#a70229be2fe2274c4109fe7511481075a">GCMCommon::checkTag</a></div><div class="ttdeci">bool checkTag(const void *tag, size_t len)</div><div class="ttdoc">Finalizes the decryption process and checks the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00245">GCM.cpp:245</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a70229be2fe2274c4109fe7511481075a"><div class="ttname"><a href="classGCMCommon.html#a70229be2fe2274c4109fe7511481075a">GCMCommon::checkTag</a></div><div class="ttdeci">bool checkTag(const void *tag, size_t len)</div><div class="ttdoc">Finalizes the decryption process and checks the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00245">GCM.cpp:245</a></div></div>
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</a> 1.8.6
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<div class="ttc" id="classGCMCommon_html_a444634bd4469bb5d404ac882d1d8fdf4"><div class="ttname"><a href="classGCMCommon.html#a444634bd4469bb5d404ac882d1d8fdf4">GCMCommon::computeTag</a></div><div class="ttdeci">void computeTag(void *tag, size_t len)</div><div class="ttdoc">Finalizes the encryption process and computes the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00225">GCM.cpp:225</a></div></div>
|
<div class="ttc" id="classGCMCommon_html_a444634bd4469bb5d404ac882d1d8fdf4"><div class="ttname"><a href="classGCMCommon.html#a444634bd4469bb5d404ac882d1d8fdf4">GCMCommon::computeTag</a></div><div class="ttdeci">void computeTag(void *tag, size_t len)</div><div class="ttdoc">Finalizes the encryption process and computes the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00225">GCM.cpp:225</a></div></div>
|
||||||
<div class="ttc" id="classGCM_html"><div class="ttname"><a href="classGCM.html">GCM</a></div><div class="ttdoc">Implementation of the Galois Counter Mode (GCM). </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8h_source.html#l00071">GCM.h:71</a></div></div>
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<div class="ttc" id="classGCM_html"><div class="ttname"><a href="classGCM.html">GCM</a></div><div class="ttdoc">Implementation of the Galois Counter Mode (GCM). </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8h_source.html#l00071">GCM.h:71</a></div></div>
|
||||||
<div class="ttc" id="classGCMCommon_html_a397c5dddde828c59eb63367385aec562"><div class="ttname"><a href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562">GCMCommon::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00077">GCM.cpp:77</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a397c5dddde828c59eb63367385aec562"><div class="ttname"><a href="classGCMCommon.html#a397c5dddde828c59eb63367385aec562">GCMCommon::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00077">GCM.cpp:77</a></div></div>
|
||||||
<div class="ttc" id="classGCMCommon_html_a935f343858e98ee331706daf43e34805"><div class="ttname"><a href="classGCMCommon.html#a935f343858e98ee331706daf43e34805">GCMCommon::tagSize</a></div><div class="ttdeci">size_t tagSize() const </div><div class="ttdoc">Returns the size of the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00071">GCM.cpp:71</a></div></div>
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<div class="ttc" id="classGCMCommon_html_a935f343858e98ee331706daf43e34805"><div class="ttname"><a href="classGCMCommon.html#a935f343858e98ee331706daf43e34805">GCMCommon::tagSize</a></div><div class="ttdeci">size_t tagSize() const </div><div class="ttdoc">Returns the size of the authentication tag. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00072">GCM.cpp:72</a></div></div>
|
||||||
<div class="ttc" id="classGCMCommon_html_a01ac69afe3d9fc4d72b2ea5dc242e55c"><div class="ttname"><a href="classGCMCommon.html#a01ac69afe3d9fc4d72b2ea5dc242e55c">GCMCommon::encrypt</a></div><div class="ttdeci">void encrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Encrypts an input buffer and writes the ciphertext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00145">GCM.cpp:145</a></div></div>
|
<div class="ttc" id="classGCMCommon_html_a01ac69afe3d9fc4d72b2ea5dc242e55c"><div class="ttname"><a href="classGCMCommon.html#a01ac69afe3d9fc4d72b2ea5dc242e55c">GCMCommon::encrypt</a></div><div class="ttdeci">void encrypt(uint8_t *output, const uint8_t *input, size_t len)</div><div class="ttdoc">Encrypts an input buffer and writes the ciphertext to an output buffer. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8cpp_source.html#l00145">GCM.cpp:145</a></div></div>
|
||||||
<div class="ttc" id="classBlockCipher_html"><div class="ttname"><a href="classBlockCipher.html">BlockCipher</a></div><div class="ttdoc">Abstract base class for block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="BlockCipher_8h_source.html#l00029">BlockCipher.h:29</a></div></div>
|
<div class="ttc" id="classBlockCipher_html"><div class="ttname"><a href="classBlockCipher.html">BlockCipher</a></div><div class="ttdoc">Abstract base class for block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="BlockCipher_8h_source.html#l00029">BlockCipher.h:29</a></div></div>
|
||||||
<div class="ttc" id="classGCM_html_acbef04a5593177aabf19df538ad3def7"><div class="ttname"><a href="classGCM.html#acbef04a5593177aabf19df538ad3def7">GCM::GCM</a></div><div class="ttdeci">GCM()</div><div class="ttdoc">Constructs a new GCM object for the block cipher T. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8h_source.html#l00074">GCM.h:74</a></div></div>
|
<div class="ttc" id="classGCM_html_acbef04a5593177aabf19df538ad3def7"><div class="ttname"><a href="classGCM.html#acbef04a5593177aabf19df538ad3def7">GCM::GCM</a></div><div class="ttdeci">GCM()</div><div class="ttdoc">Constructs a new GCM object for the block cipher T. </div><div class="ttdef"><b>Definition:</b> <a href="GCM_8h_source.html#l00074">GCM.h:74</a></div></div>
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||||||
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">struct </span>{</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint64_t A[5][5];</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint64_t A[5][5];</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  uint64_t B[5][5];</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  uint8_t inputSize;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  uint8_t inputSize;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  uint8_t outputSize;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  uint8_t outputSize;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  } state;</div>
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||||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  } state;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  uint8_t _blockSize;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  uint8_t _blockSize;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> keccakp();</div>
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||||||
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">void</span> keccakp();</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> };</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> };</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="classKeccakCore_html_a3742ed39151811b5d1c263c75ee5b20a"><div class="ttname"><a href="classKeccakCore.html#a3742ed39151811b5d1c263c75ee5b20a">KeccakCore::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Returns the input block size for the sponge function in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8h_source.html#l00038">KeccakCore.h:38</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a3742ed39151811b5d1c263c75ee5b20a"><div class="ttname"><a href="classKeccakCore.html#a3742ed39151811b5d1c263c75ee5b20a">KeccakCore::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Returns the input block size for the sponge function in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8h_source.html#l00038">KeccakCore.h:38</a></div></div>
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||||||
<div class="ttc" id="classKeccakCore_html_aeff6b3357916bf426b60d3629db52628"><div class="ttname"><a href="classKeccakCore.html#aeff6b3357916bf426b60d3629db52628">KeccakCore::setHMACKey</a></div><div class="ttdeci">void setHMACKey(const void *key, size_t len, uint8_t pad, size_t hashSize)</div><div class="ttdoc">Sets a HMAC key for a Keccak-based hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00263">KeccakCore.cpp:263</a></div></div>
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<div class="ttc" id="classKeccakCore_html_aeff6b3357916bf426b60d3629db52628"><div class="ttname"><a href="classKeccakCore.html#aeff6b3357916bf426b60d3629db52628">KeccakCore::setHMACKey</a></div><div class="ttdeci">void setHMACKey(const void *key, size_t len, uint8_t pad, size_t hashSize)</div><div class="ttdoc">Sets a HMAC key for a Keccak-based hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00243">KeccakCore.cpp:243</a></div></div>
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<div class="ttc" id="classKeccakCore_html_ab3c1905f2002e49aca085d6f0b5546f7"><div class="ttname"><a href="classKeccakCore.html#ab3c1905f2002e49aca085d6f0b5546f7">KeccakCore::setCapacity</a></div><div class="ttdeci">void setCapacity(size_t capacity)</div><div class="ttdoc">Sets the capacity of the Keccak sponge function in bits. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00089">KeccakCore.cpp:89</a></div></div>
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<div class="ttc" id="classKeccakCore_html_ab3c1905f2002e49aca085d6f0b5546f7"><div class="ttname"><a href="classKeccakCore.html#ab3c1905f2002e49aca085d6f0b5546f7">KeccakCore::setCapacity</a></div><div class="ttdeci">void setCapacity(size_t capacity)</div><div class="ttdoc">Sets the capacity of the Keccak sponge function in bits. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00094">KeccakCore.cpp:94</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a4579e3a9b24f1d615fa8d660c23e77a4"><div class="ttname"><a href="classKeccakCore.html#a4579e3a9b24f1d615fa8d660c23e77a4">KeccakCore::~KeccakCore</a></div><div class="ttdeci">~KeccakCore()</div><div class="ttdoc">Destroys this Keccak sponge function after clearing all sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00061">KeccakCore.cpp:61</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a4579e3a9b24f1d615fa8d660c23e77a4"><div class="ttname"><a href="classKeccakCore.html#a4579e3a9b24f1d615fa8d660c23e77a4">KeccakCore::~KeccakCore</a></div><div class="ttdeci">~KeccakCore()</div><div class="ttdoc">Destroys this Keccak sponge function after clearing all sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00066">KeccakCore.cpp:66</a></div></div>
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<div class="ttc" id="classKeccakCore_html_aad83ece853c0cc15fcab947fdcba924f"><div class="ttname"><a href="classKeccakCore.html#aad83ece853c0cc15fcab947fdcba924f">KeccakCore::extract</a></div><div class="ttdeci">void extract(void *data, size_t size)</div><div class="ttdoc">Extracts data from the Keccak sponge function. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00201">KeccakCore.cpp:201</a></div></div>
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<div class="ttc" id="classKeccakCore_html_aad83ece853c0cc15fcab947fdcba924f"><div class="ttname"><a href="classKeccakCore.html#aad83ece853c0cc15fcab947fdcba924f">KeccakCore::extract</a></div><div class="ttdeci">void extract(void *data, size_t size)</div><div class="ttdoc">Extracts data from the Keccak sponge function. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00194">KeccakCore.cpp:194</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a97852ee4381ced17ee6d21704cf0b4d7"><div class="ttname"><a href="classKeccakCore.html#a97852ee4381ced17ee6d21704cf0b4d7">KeccakCore::pad</a></div><div class="ttdeci">void pad(uint8_t tag)</div><div class="ttdoc">Pads the last block of input data to blockSize(). </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00174">KeccakCore.cpp:174</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a97852ee4381ced17ee6d21704cf0b4d7"><div class="ttname"><a href="classKeccakCore.html#a97852ee4381ced17ee6d21704cf0b4d7">KeccakCore::pad</a></div><div class="ttdeci">void pad(uint8_t tag)</div><div class="ttdoc">Pads the last block of input data to blockSize(). </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00167">KeccakCore.cpp:167</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a804b895121a4e04bc491f41a5821a13e"><div class="ttname"><a href="classKeccakCore.html#a804b895121a4e04bc491f41a5821a13e">KeccakCore::capacity</a></div><div class="ttdeci">size_t capacity() const </div><div class="ttdoc">Returns the capacity of the sponge function in bits. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00071">KeccakCore.cpp:71</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a804b895121a4e04bc491f41a5821a13e"><div class="ttname"><a href="classKeccakCore.html#a804b895121a4e04bc491f41a5821a13e">KeccakCore::capacity</a></div><div class="ttdeci">size_t capacity() const </div><div class="ttdoc">Returns the capacity of the sponge function in bits. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00076">KeccakCore.cpp:76</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a850c8e85bdb6b347411239716535d9c9"><div class="ttname"><a href="classKeccakCore.html#a850c8e85bdb6b347411239716535d9c9">KeccakCore::KeccakCore</a></div><div class="ttdeci">KeccakCore()</div><div class="ttdoc">Constructs a new Keccak sponge function. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00049">KeccakCore.cpp:49</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a850c8e85bdb6b347411239716535d9c9"><div class="ttname"><a href="classKeccakCore.html#a850c8e85bdb6b347411239716535d9c9">KeccakCore::KeccakCore</a></div><div class="ttdeci">KeccakCore()</div><div class="ttdoc">Constructs a new Keccak sponge function. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00054">KeccakCore.cpp:54</a></div></div>
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<div class="ttc" id="classKeccakCore_html_aaaa0355ccec0f469ac8eb577bdf853ed"><div class="ttname"><a href="classKeccakCore.html#aaaa0355ccec0f469ac8eb577bdf853ed">KeccakCore::update</a></div><div class="ttdeci">void update(const void *data, size_t size)</div><div class="ttdoc">Updates the Keccak sponge function with more input data. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00128">KeccakCore.cpp:128</a></div></div>
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<div class="ttc" id="classKeccakCore_html_aaaa0355ccec0f469ac8eb577bdf853ed"><div class="ttname"><a href="classKeccakCore.html#aaaa0355ccec0f469ac8eb577bdf853ed">KeccakCore::update</a></div><div class="ttdeci">void update(const void *data, size_t size)</div><div class="ttdoc">Updates the Keccak sponge function with more input data. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00133">KeccakCore.cpp:133</a></div></div>
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<div class="ttc" id="classKeccakCore_html_aeff1df56e4a3103c99c1fe4307e60c66"><div class="ttname"><a href="classKeccakCore.html#aeff1df56e4a3103c99c1fe4307e60c66">KeccakCore::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all sensitive data from this object. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00245">KeccakCore.cpp:245</a></div></div>
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<div class="ttc" id="classKeccakCore_html_aeff1df56e4a3103c99c1fe4307e60c66"><div class="ttname"><a href="classKeccakCore.html#aeff1df56e4a3103c99c1fe4307e60c66">KeccakCore::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all sensitive data from this object. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00225">KeccakCore.cpp:225</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a5a322eb7e3b5c1eaad127c9c6e6a529b"><div class="ttname"><a href="classKeccakCore.html#a5a322eb7e3b5c1eaad127c9c6e6a529b">KeccakCore::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the Keccak sponge function ready for a new session. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00109">KeccakCore.cpp:109</a></div></div>
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<div class="ttc" id="classKeccakCore_html_a5a322eb7e3b5c1eaad127c9c6e6a529b"><div class="ttname"><a href="classKeccakCore.html#a5a322eb7e3b5c1eaad127c9c6e6a529b">KeccakCore::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the Keccak sponge function ready for a new session. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8cpp_source.html#l00114">KeccakCore.cpp:114</a></div></div>
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<div class="ttc" id="classKeccakCore_html"><div class="ttname"><a href="classKeccakCore.html">KeccakCore</a></div><div class="ttdoc">Keccak core sponge function. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8h_source.html#l00029">KeccakCore.h:29</a></div></div>
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<div class="ttc" id="classKeccakCore_html"><div class="ttname"><a href="classKeccakCore.html">KeccakCore</a></div><div class="ttdoc">Keccak core sponge function. </div><div class="ttdef"><b>Definition:</b> <a href="KeccakCore_8h_source.html#l00029">KeccakCore.h:29</a></div></div>
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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</a> 1.8.6
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<div class="ttc" id="classNoiseSource_html_a48d0efabd71ff6e557a0898be79c49ba"><div class="ttname"><a href="classNoiseSource.html#a48d0efabd71ff6e557a0898be79c49ba">NoiseSource::added</a></div><div class="ttdeci">virtual void added()</div><div class="ttdoc">Called when the noise source is added to RNG with RNG.addNoiseSource(). </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00095">NoiseSource.cpp:95</a></div></div>
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<div class="ttc" id="classNoiseSource_html_a48d0efabd71ff6e557a0898be79c49ba"><div class="ttname"><a href="classNoiseSource.html#a48d0efabd71ff6e557a0898be79c49ba">NoiseSource::added</a></div><div class="ttdeci">virtual void added()</div><div class="ttdoc">Called when the noise source is added to RNG with RNG.addNoiseSource(). </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00095">NoiseSource.cpp:95</a></div></div>
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<div class="ttc" id="classNoiseSource_html_a1af7449a5ae4a8acd34ac218c9eec6c1"><div class="ttname"><a href="classNoiseSource.html#a1af7449a5ae4a8acd34ac218c9eec6c1">NoiseSource::output</a></div><div class="ttdeci">virtual void output(const uint8_t *data, size_t len, unsigned int credit)</div><div class="ttdoc">Called from subclasses to output noise to the global random number pool. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00117">NoiseSource.cpp:117</a></div></div>
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<div class="ttc" id="classNoiseSource_html_a1af7449a5ae4a8acd34ac218c9eec6c1"><div class="ttname"><a href="classNoiseSource.html#a1af7449a5ae4a8acd34ac218c9eec6c1">NoiseSource::output</a></div><div class="ttdeci">virtual void output(const uint8_t *data, size_t len, unsigned int credit)</div><div class="ttdoc">Called from subclasses to output noise to the global random number pool. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00117">NoiseSource.cpp:117</a></div></div>
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<div class="ttc" id="classNoiseSource_html_a4eca1e894a5d719fb9bf4df34a791cdb"><div class="ttname"><a href="classNoiseSource.html#a4eca1e894a5d719fb9bf4df34a791cdb">NoiseSource::~NoiseSource</a></div><div class="ttdeci">virtual ~NoiseSource()</div><div class="ttdoc">Destroys this random noise source. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00043">NoiseSource.cpp:43</a></div></div>
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<div class="ttc" id="classNoiseSource_html_a4eca1e894a5d719fb9bf4df34a791cdb"><div class="ttname"><a href="classNoiseSource.html#a4eca1e894a5d719fb9bf4df34a791cdb">NoiseSource::~NoiseSource</a></div><div class="ttdeci">virtual ~NoiseSource()</div><div class="ttdoc">Destroys this random noise source. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00043">NoiseSource.cpp:43</a></div></div>
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<div class="ttc" id="classRNGClass_html_ad99535ea23ae2fec55bdebb8c24def02"><div class="ttname"><a href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a></div><div class="ttdeci">void stir(const uint8_t *data, size_t len, unsigned int credit=0)</div><div class="ttdoc">Stirs additional entropy data into the random pool. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00538">RNG.cpp:538</a></div></div>
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<div class="ttc" id="classRNGClass_html_ad99535ea23ae2fec55bdebb8c24def02"><div class="ttname"><a href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a></div><div class="ttdeci">void stir(const uint8_t *data, size_t len, unsigned int credit=0)</div><div class="ttdoc">Stirs additional entropy data into the random pool. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00618">RNG.cpp:618</a></div></div>
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -142,7 +142,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
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|
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -206,7 +206,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
|
<!-- start footer part -->
|
||||||
<hr class="footer"/><address class="footer"><small>
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||||||
Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -171,7 +171,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
|
</div><!-- fragment --></div><!-- contents -->
|
||||||
<!-- start footer part -->
|
<!-- start footer part -->
|
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<hr class="footer"/><address class="footer"><small>
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<hr class="footer"/><address class="footer"><small>
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -196,163 +196,166 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> {</div>
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> {</div>
|
||||||
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  dlimb_t carry;</div>
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  dlimb_t carry;</div>
|
||||||
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  uint8_t i;</div>
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  uint8_t i;</div>
|
||||||
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  limb_t t[NUM_LIMBS_256BIT + 1];</div>
|
||||||
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// Pad and flush the final chunk.</span></div>
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
|
||||||
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (state.chunkSize > 0) {</div>
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// Pad and flush the final chunk.</span></div>
|
||||||
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  uint8_t *c = (uint8_t *)state.c;</div>
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">if</span> (state.chunkSize > 0) {</div>
|
||||||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  c[state.chunkSize] = 1;</div>
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  uint8_t *c = (uint8_t *)state.c;</div>
|
||||||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  memset(c + state.chunkSize + 1, 0, 16 - state.chunkSize - 1);</div>
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  c[state.chunkSize] = 1;</div>
|
||||||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  memset(c + state.chunkSize + 1, 0, 16 - state.chunkSize - 1);</div>
|
||||||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  state.c[NUM_LIMBS_128BIT] = 0;</div>
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  processChunk();</div>
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  state.c[NUM_LIMBS_128BIT] = 0;</div>
|
||||||
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  processChunk();</div>
|
||||||
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
|
||||||
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// At this point, processChunk() has left h as a partially reduced</span></div>
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
|
||||||
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// result that is less than (2^130 - 5) * 6. Perform one more</span></div>
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// At this point, processChunk() has left h as a partially reduced</span></div>
|
||||||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// reduction and a trial subtraction to produce the final result.</span></div>
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// result that is less than (2^130 - 5) * 6. Perform one more</span></div>
|
||||||
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div>
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// reduction and a trial subtraction to produce the final result.</span></div>
|
||||||
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// Multiply the high bits of h by 5 and add them to the 130 low bits.</span></div>
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
|
||||||
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  carry = (dlimb_t)((state.h[NUM_LIMBS_128BIT] >> 2) +</div>
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// Multiply the high bits of h by 5 and add them to the 130 low bits.</span></div>
|
||||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  (state.h[NUM_LIMBS_128BIT] & ~((limb_t)3)));</div>
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  carry = (dlimb_t)((state.h[NUM_LIMBS_128BIT] >> 2) +</div>
|
||||||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  state.h[NUM_LIMBS_128BIT] &= 0x0003;</div>
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  (state.h[NUM_LIMBS_128BIT] & ~((limb_t)3)));</div>
|
||||||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  state.h[NUM_LIMBS_128BIT] &= 0x0003;</div>
|
||||||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  carry += state.h[i];</div>
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  state.h[i] = (limb_t)carry;</div>
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  carry += state.h[i];</div>
|
||||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  carry >>= LIMB_BITS;</div>
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  state.h[i] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  carry >>= LIMB_BITS;</div>
|
||||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  state.h[i] += (limb_t)carry;</div>
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
|
||||||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  state.h[i] += (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// Subtract (2^130 - 5) from h by computing t = h + 5 - 2^130.</span></div>
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
|
||||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// The "minus 2^130" step is implicit.</span></div>
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// Subtract (2^130 - 5) from h by computing t = h + 5 - 2^130.</span></div>
|
||||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  carry = 5;</div>
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// The "minus 2^130" step is implicit.</span></div>
|
||||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  carry = 5;</div>
|
||||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  carry += state.h[i];</div>
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  state.t[i] = (limb_t)carry;</div>
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  carry += state.h[i];</div>
|
||||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  carry >>= LIMB_BITS;</div>
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  t[i] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  carry >>= LIMB_BITS;</div>
|
||||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
||||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// Borrow occurs if bit 2^130 of the previous t result is zero.</span></div>
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
|
||||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Carefully turn this into a selection mask so we can select either</span></div>
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Borrow occurs if bit 2^130 of the previous t result is zero.</span></div>
|
||||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// h or t as the final result. We don't care about the highest word</span></div>
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// Carefully turn this into a selection mask so we can select either</span></div>
|
||||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// of the result because we are about to drop it in the next step.</span></div>
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// h or t as the final result. We don't care about the highest word</span></div>
|
||||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// We have to do it this way to avoid giving away any information</span></div>
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// of the result because we are about to drop it in the next step.</span></div>
|
||||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// about the value of h in the instruction timing.</span></div>
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// We have to do it this way to avoid giving away any information</span></div>
|
||||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  limb_t mask = (~((state.t[NUM_LIMBS_128BIT] >> 2) & 1)) + 1;</div>
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// about the value of h in the instruction timing.</span></div>
|
||||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  limb_t nmask = ~mask;</div>
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  limb_t mask = (~((t[NUM_LIMBS_128BIT] >> 2) & 1)) + 1;</div>
|
||||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  limb_t nmask = ~mask;</div>
|
||||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  state.h[i] = (state.h[i] & nmask) | (state.t[i] & mask);</div>
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  state.h[i] = (state.h[i] & nmask) | (t[i] & mask);</div>
|
||||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div>
|
||||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// Add the encrypted nonce and format the final hash.</span></div>
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div>
|
||||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  memcpy(state.c, nonce, 16);</div>
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// Add the encrypted nonce and format the final hash.</span></div>
|
||||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  memcpy(state.c, nonce, 16);</div>
|
||||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  carry = 0;</div>
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  carry = 0;</div>
|
||||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  carry += state.h[i];</div>
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  carry += state.c[i];</div>
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  carry += state.h[i];</div>
|
||||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  state.h[i] = htolelimb((limb_t)carry);</div>
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  carry += state.c[i];</div>
|
||||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  carry >>= LIMB_BITS;</div>
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  state.h[i] = htolelimb((limb_t)carry);</div>
|
||||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  carry >>= LIMB_BITS;</div>
|
||||||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (len > 16)</div>
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div>
|
||||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  len = 16;</div>
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (len > 16)</div>
|
||||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  memcpy(token, state.h, len);</div>
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  len = 16;</div>
|
||||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div>
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  memcpy(token, state.h, len);</div>
|
||||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> }</div>
|
||||||
<div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388"> 250</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a>()</div>
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
|
||||||
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> {</div>
|
<div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388"> 251</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a>()</div>
|
||||||
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (state.chunkSize != 0) {</div>
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> {</div>
|
||||||
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  memset(((uint8_t *)state.c) + state.chunkSize, 0, 16 - state.chunkSize);</div>
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (state.chunkSize != 0) {</div>
|
||||||
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  memset(((uint8_t *)state.c) + state.chunkSize, 0, 16 - state.chunkSize);</div>
|
||||||
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  state.c[NUM_LIMBS_128BIT] = 1;</div>
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||||
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  processChunk();</div>
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  state.c[NUM_LIMBS_128BIT] = 1;</div>
|
||||||
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  state.chunkSize = 0;</div>
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  processChunk();</div>
|
||||||
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div>
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  state.chunkSize = 0;</div>
|
||||||
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> }</div>
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div>
|
||||||
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div>
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> }</div>
|
||||||
<div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd"> 264</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a>()</div>
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
|
||||||
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> {</div>
|
<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd"> 265</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a>()</div>
|
||||||
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  clean(state);</div>
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> {</div>
|
||||||
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div>
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  clean(state);</div>
|
||||||
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div>
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> }</div>
|
||||||
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="keywordtype">void</span> Poly1305::processChunk()</div>
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
|
||||||
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> {</div>
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="keywordtype">void</span> Poly1305::processChunk()</div>
|
||||||
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// Compute h = ((h + c) * r) mod (2^130 - 5).</span></div>
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> {</div>
|
||||||
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  limb_t t[NUM_LIMBS_256BIT + 1];</div>
|
||||||
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="comment">// Start with h += c. We assume that h is less than (2^130 - 5) * 6</span></div>
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div>
|
||||||
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">// and that c is less than 2^129, so the result will be less than 2^133.</span></div>
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">// Compute h = ((h + c) * r) mod (2^130 - 5).</span></div>
|
||||||
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  dlimb_t carry = 0;</div>
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
|
||||||
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  uint8_t i, j;</div>
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// Start with h += c. We assume that h is less than (2^130 - 5) * 6</span></div>
|
||||||
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// and that c is less than 2^129, so the result will be less than 2^133.</span></div>
|
||||||
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  carry += state.h[i];</div>
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  dlimb_t carry = 0;</div>
|
||||||
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  carry += state.c[i];</div>
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  uint8_t i, j;</div>
|
||||||
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  state.h[i] = (limb_t)carry;</div>
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  carry >>= LIMB_BITS;</div>
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  carry += state.h[i];</div>
|
||||||
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  carry += state.c[i];</div>
|
||||||
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  state.h[i] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// Multiply h by r. We know that r is less than 2^124 because the</span></div>
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  carry >>= LIMB_BITS;</div>
|
||||||
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// top 4 bits were AND-ed off by reset(). That makes h * r less</span></div>
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
|
||||||
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// than 2^257. Which is less than the (2^130 - 6)^2 we want for</span></div>
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div>
|
||||||
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// the modulo reduction step that follows.</span></div>
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// Multiply h by r. We know that r is less than 2^124 because the</span></div>
|
||||||
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  carry = 0;</div>
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// top 4 bits were AND-ed off by reset(). That makes h * r less</span></div>
|
||||||
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  limb_t word = state.r[0];</div>
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// than 2^257. Which is less than the (2^130 - 6)^2 we want for</span></div>
|
||||||
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// the modulo reduction step that follows.</span></div>
|
||||||
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  carry += ((dlimb_t)(state.h[i])) * word;</div>
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  carry = 0;</div>
|
||||||
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  state.t[i] = (limb_t)carry;</div>
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  limb_t word = state.r[0];</div>
|
||||||
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  carry >>= LIMB_BITS;</div>
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div>
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  carry += ((dlimb_t)(state.h[i])) * word;</div>
|
||||||
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  state.t[NUM_LIMBS_130BIT] = (limb_t)carry;</div>
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  t[i] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">for</span> (i = 1; i < NUM_LIMBS_128BIT; ++i) {</div>
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  carry >>= LIMB_BITS;</div>
|
||||||
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  word = state.r[i];</div>
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
|
||||||
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  carry = 0;</div>
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  t[NUM_LIMBS_130BIT] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">for</span> (j = 0; j < NUM_LIMBS_130BIT; ++j) {</div>
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">for</span> (i = 1; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  carry += ((dlimb_t)(state.h[j])) * word;</div>
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  word = state.r[i];</div>
|
||||||
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  carry += state.t[i + j];</div>
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  carry = 0;</div>
|
||||||
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  state.t[i + j] = (limb_t)carry;</div>
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">for</span> (j = 0; j < NUM_LIMBS_130BIT; ++j) {</div>
|
||||||
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  carry >>= LIMB_BITS;</div>
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  carry += ((dlimb_t)(state.h[j])) * word;</div>
|
||||||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div>
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  carry += t[i + j];</div>
|
||||||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  state.t[i + NUM_LIMBS_130BIT] = (limb_t)carry;</div>
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  t[i + j] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div>
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  carry >>= LIMB_BITS;</div>
|
||||||
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div>
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div>
|
||||||
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">// Reduce h * r modulo (2^130 - 5) by multiplying the high 130 bits by 5</span></div>
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  t[i + NUM_LIMBS_130BIT] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// and adding them to the low 130 bits. See the explaination in the</span></div>
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div>
|
||||||
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// comments for Curve25519::reduce() for a description of how this works.</span></div>
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div>
|
||||||
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  carry = ((dlimb_t)(state.t[NUM_LIMBS_128BIT] >> 2)) +</div>
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// Reduce h * r modulo (2^130 - 5) by multiplying the high 130 bits by 5</span></div>
|
||||||
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  (state.t[NUM_LIMBS_128BIT] & ~((limb_t)3));</div>
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// and adding them to the low 130 bits. See the explaination in the</span></div>
|
||||||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  state.t[NUM_LIMBS_128BIT] &= 0x0003;</div>
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// comments for Curve25519::reduce() for a description of how this works.</span></div>
|
||||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  carry = ((dlimb_t)(t[NUM_LIMBS_128BIT] >> 2)) +</div>
|
||||||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// Shift the next word of t up by (LIMB_BITS - 2) bits and then</span></div>
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  (t[NUM_LIMBS_128BIT] & ~((limb_t)3));</div>
|
||||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// multiply it by 5. Breaking it down, we can add the results</span></div>
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  t[NUM_LIMBS_128BIT] &= 0x0003;</div>
|
||||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="comment">// of shifting up by LIMB_BITS and shifting up by (LIMB_BITS - 2).</span></div>
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// The main wrinkle here is that this can result in an intermediate</span></div>
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// Shift the next word of t up by (LIMB_BITS - 2) bits and then</span></div>
|
||||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// carry that is (LIMB_BITS * 2 + 1) bits in size which doesn't</span></div>
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// multiply it by 5. Breaking it down, we can add the results</span></div>
|
||||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">// fit within a dlimb_t variable. However, we can defer adding</span></div>
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">// of shifting up by LIMB_BITS and shifting up by (LIMB_BITS - 2).</span></div>
|
||||||
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// (word << LIMB_BITS) until after the "carry >>= LIMB_BITS" step</span></div>
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// The main wrinkle here is that this can result in an intermediate</span></div>
|
||||||
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// because it won't affect the low bits of the carry.</span></div>
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// carry that is (LIMB_BITS * 2 + 1) bits in size which doesn't</span></div>
|
||||||
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  word = state.t[i + NUM_LIMBS_130BIT];</div>
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">// fit within a dlimb_t variable. However, we can defer adding</span></div>
|
||||||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  carry += ((dlimb_t)word) << (LIMB_BITS - 2);</div>
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// (word << LIMB_BITS) until after the "carry >>= LIMB_BITS" step</span></div>
|
||||||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  carry += state.t[i];</div>
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// because it won't affect the low bits of the carry.</span></div>
|
||||||
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  state.h[i] = (limb_t)carry;</div>
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  word = t[i + NUM_LIMBS_130BIT];</div>
|
||||||
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  carry >>= LIMB_BITS;</div>
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  carry += ((dlimb_t)word) << (LIMB_BITS - 2);</div>
|
||||||
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  carry += word;</div>
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  carry += t[i];</div>
|
||||||
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div>
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  state.h[i] = (limb_t)carry;</div>
|
||||||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  state.h[i] = (limb_t)(carry + state.t[NUM_LIMBS_128BIT]);</div>
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  carry >>= LIMB_BITS;</div>
|
||||||
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  carry += word;</div>
|
||||||
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">// At this point, h is either the answer of reducing modulo (2^130 - 5)</span></div>
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
|
||||||
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// or it is at most 5 subtractions away from the answer we want.</span></div>
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  state.h[i] = (limb_t)(carry + t[NUM_LIMBS_128BIT]);</div>
|
||||||
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="comment">// Leave it as-is for now with h less than (2^130 - 5) * 6. It is</span></div>
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
|
||||||
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">// still within a range where the next h * r step will not overflow.</span></div>
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">// At this point, h is either the answer of reducing modulo (2^130 - 5)</span></div>
|
||||||
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div>
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="comment">// or it is at most 5 subtractions away from the answer we want.</span></div>
|
||||||
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// Leave it as-is for now with h less than (2^130 - 5) * 6. It is</span></div>
|
||||||
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="comment">// still within a range where the next h * r step will not overflow.</span></div>
|
||||||
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> }</div>
|
||||||
<div class="ttc" id="classPoly1305_html_aab3fa6c5f6fa7d9ca6c82bead38f499c"><div class="ttname"><a href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c">Poly1305::finalize</a></div><div class="ttdeci">void finalize(const void *nonce, void *token, size_t len)</div><div class="ttdoc">Finalizes the authentication process and returns the token. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00179">Poly1305.cpp:179</a></div></div>
|
<div class="ttc" id="classPoly1305_html_aab3fa6c5f6fa7d9ca6c82bead38f499c"><div class="ttname"><a href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c">Poly1305::finalize</a></div><div class="ttdeci">void finalize(const void *nonce, void *token, size_t len)</div><div class="ttdoc">Finalizes the authentication process and returns the token. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00179">Poly1305.cpp:179</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_a544839403d0a19300c239708bc1e6ed8"><div class="ttname"><a href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8">Poly1305::reset</a></div><div class="ttdeci">void reset(const void *key)</div><div class="ttdoc">Resets the Poly1305 message authenticator for a new session. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00110">Poly1305.cpp:110</a></div></div>
|
<div class="ttc" id="classPoly1305_html_a544839403d0a19300c239708bc1e6ed8"><div class="ttname"><a href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8">Poly1305::reset</a></div><div class="ttdeci">void reset(const void *key)</div><div class="ttdoc">Resets the Poly1305 message authenticator for a new session. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00110">Poly1305.cpp:110</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_ae4e0b647ff93f501bd01459b1616557c"><div class="ttname"><a href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c">Poly1305::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the message authenticator with more data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00142">Poly1305.cpp:142</a></div></div>
|
<div class="ttc" id="classPoly1305_html_ae4e0b647ff93f501bd01459b1616557c"><div class="ttname"><a href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c">Poly1305::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the message authenticator with more data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00142">Poly1305.cpp:142</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_aaea2f40c1f22dcc2f8f690c793fb4388"><div class="ttname"><a href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a></div><div class="ttdeci">void pad()</div><div class="ttdoc">Pads the input stream with zero bytes to a multiple of 16. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00250">Poly1305.cpp:250</a></div></div>
|
<div class="ttc" id="classPoly1305_html_aaea2f40c1f22dcc2f8f690c793fb4388"><div class="ttname"><a href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a></div><div class="ttdeci">void pad()</div><div class="ttdoc">Pads the input stream with zero bytes to a multiple of 16. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00251">Poly1305.cpp:251</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_ac021b5ebbc123fa4c0ee36330472c25d"><div class="ttname"><a href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d">Poly1305::~Poly1305</a></div><div class="ttdeci">~Poly1305()</div><div class="ttdoc">Destroys this Poly1305 message authenticator after clearing all sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00098">Poly1305.cpp:98</a></div></div>
|
<div class="ttc" id="classPoly1305_html_ac021b5ebbc123fa4c0ee36330472c25d"><div class="ttname"><a href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d">Poly1305::~Poly1305</a></div><div class="ttdeci">~Poly1305()</div><div class="ttdoc">Destroys this Poly1305 message authenticator after clearing all sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00098">Poly1305.cpp:98</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_a7d62e7cd2d67f1c72142580036066fa2"><div class="ttname"><a href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2">Poly1305::Poly1305</a></div><div class="ttdeci">Poly1305()</div><div class="ttdoc">Constructs a new Poly1305 message authenticator. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00089">Poly1305.cpp:89</a></div></div>
|
<div class="ttc" id="classPoly1305_html_a7d62e7cd2d67f1c72142580036066fa2"><div class="ttname"><a href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2">Poly1305::Poly1305</a></div><div class="ttdeci">Poly1305()</div><div class="ttdoc">Constructs a new Poly1305 message authenticator. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00089">Poly1305.cpp:89</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_ae3f3392b9a2bd0f3472e7e50dd7e21dd"><div class="ttname"><a href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the authenticator's state, removing all sensitive data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00264">Poly1305.cpp:264</a></div></div>
|
<div class="ttc" id="classPoly1305_html_ae3f3392b9a2bd0f3472e7e50dd7e21dd"><div class="ttname"><a href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the authenticator's state, removing all sensitive data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00265">Poly1305.cpp:265</a></div></div>
|
||||||
</div><!-- fragment --></div><!-- contents -->
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||||||
</a> 1.8.6
|
</a> 1.8.6
|
||||||
</small></address>
|
</small></address>
|
||||||
|
|||||||
@ -135,26 +135,25 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  limb_t h[(16 / <span class="keyword">sizeof</span>(limb_t)) + 1];</div>
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  limb_t h[(16 / <span class="keyword">sizeof</span>(limb_t)) + 1];</div>
|
||||||
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  limb_t c[(16 / <span class="keyword">sizeof</span>(limb_t)) + 1];</div>
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  limb_t c[(16 / <span class="keyword">sizeof</span>(limb_t)) + 1];</div>
|
||||||
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  limb_t r[(16 / <span class="keyword">sizeof</span>(limb_t))];</div>
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  limb_t r[(16 / <span class="keyword">sizeof</span>(limb_t))];</div>
|
||||||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  limb_t t[(32 / <span class="keyword">sizeof</span>(limb_t)) + 1];</div>
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  uint8_t chunkSize;</div>
|
||||||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint8_t chunkSize;</div>
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  } state;</div>
|
||||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  } state;</div>
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
|
||||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">void</span> processChunk();</div>
|
||||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">void</span> processChunk();</div>
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> };</div>
|
||||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> };</div>
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
|
||||||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#endif</span></div>
|
|
||||||
<div class="ttc" id="classPoly1305_html"><div class="ttname"><a href="classPoly1305.html">Poly1305</a></div><div class="ttdoc">Poly1305 message authenticator. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8h_source.html#l00029">Poly1305.h:29</a></div></div>
|
<div class="ttc" id="classPoly1305_html"><div class="ttname"><a href="classPoly1305.html">Poly1305</a></div><div class="ttdoc">Poly1305 message authenticator. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8h_source.html#l00029">Poly1305.h:29</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_aab3fa6c5f6fa7d9ca6c82bead38f499c"><div class="ttname"><a href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c">Poly1305::finalize</a></div><div class="ttdeci">void finalize(const void *nonce, void *token, size_t len)</div><div class="ttdoc">Finalizes the authentication process and returns the token. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00179">Poly1305.cpp:179</a></div></div>
|
<div class="ttc" id="classPoly1305_html_aab3fa6c5f6fa7d9ca6c82bead38f499c"><div class="ttname"><a href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c">Poly1305::finalize</a></div><div class="ttdeci">void finalize(const void *nonce, void *token, size_t len)</div><div class="ttdoc">Finalizes the authentication process and returns the token. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00179">Poly1305.cpp:179</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_a544839403d0a19300c239708bc1e6ed8"><div class="ttname"><a href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8">Poly1305::reset</a></div><div class="ttdeci">void reset(const void *key)</div><div class="ttdoc">Resets the Poly1305 message authenticator for a new session. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00110">Poly1305.cpp:110</a></div></div>
|
<div class="ttc" id="classPoly1305_html_a544839403d0a19300c239708bc1e6ed8"><div class="ttname"><a href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8">Poly1305::reset</a></div><div class="ttdeci">void reset(const void *key)</div><div class="ttdoc">Resets the Poly1305 message authenticator for a new session. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00110">Poly1305.cpp:110</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_ae4e0b647ff93f501bd01459b1616557c"><div class="ttname"><a href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c">Poly1305::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the message authenticator with more data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00142">Poly1305.cpp:142</a></div></div>
|
<div class="ttc" id="classPoly1305_html_ae4e0b647ff93f501bd01459b1616557c"><div class="ttname"><a href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c">Poly1305::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the message authenticator with more data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00142">Poly1305.cpp:142</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_aaea2f40c1f22dcc2f8f690c793fb4388"><div class="ttname"><a href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a></div><div class="ttdeci">void pad()</div><div class="ttdoc">Pads the input stream with zero bytes to a multiple of 16. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00250">Poly1305.cpp:250</a></div></div>
|
<div class="ttc" id="classPoly1305_html_aaea2f40c1f22dcc2f8f690c793fb4388"><div class="ttname"><a href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a></div><div class="ttdeci">void pad()</div><div class="ttdoc">Pads the input stream with zero bytes to a multiple of 16. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00251">Poly1305.cpp:251</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_ac021b5ebbc123fa4c0ee36330472c25d"><div class="ttname"><a href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d">Poly1305::~Poly1305</a></div><div class="ttdeci">~Poly1305()</div><div class="ttdoc">Destroys this Poly1305 message authenticator after clearing all sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00098">Poly1305.cpp:98</a></div></div>
|
<div class="ttc" id="classPoly1305_html_ac021b5ebbc123fa4c0ee36330472c25d"><div class="ttname"><a href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d">Poly1305::~Poly1305</a></div><div class="ttdeci">~Poly1305()</div><div class="ttdoc">Destroys this Poly1305 message authenticator after clearing all sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00098">Poly1305.cpp:98</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_a7d62e7cd2d67f1c72142580036066fa2"><div class="ttname"><a href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2">Poly1305::Poly1305</a></div><div class="ttdeci">Poly1305()</div><div class="ttdoc">Constructs a new Poly1305 message authenticator. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00089">Poly1305.cpp:89</a></div></div>
|
<div class="ttc" id="classPoly1305_html_a7d62e7cd2d67f1c72142580036066fa2"><div class="ttname"><a href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2">Poly1305::Poly1305</a></div><div class="ttdeci">Poly1305()</div><div class="ttdoc">Constructs a new Poly1305 message authenticator. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00089">Poly1305.cpp:89</a></div></div>
|
||||||
<div class="ttc" id="classPoly1305_html_ae3f3392b9a2bd0f3472e7e50dd7e21dd"><div class="ttname"><a href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the authenticator's state, removing all sensitive data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00264">Poly1305.cpp:264</a></div></div>
|
<div class="ttc" id="classPoly1305_html_ae3f3392b9a2bd0f3472e7e50dd7e21dd"><div class="ttname"><a href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the authenticator's state, removing all sensitive data. </div><div class="ttdef"><b>Definition:</b> <a href="Poly1305_8cpp_source.html#l00265">Poly1305.cpp:265</a></div></div>
|
||||||
</div><!-- fragment --></div><!-- contents -->
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</div><!-- fragment --></div><!-- contents -->
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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</a> 1.8.6
|
||||||
</small></address>
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|||||||
@ -155,7 +155,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
</div><!-- fragment --></div><!-- contents -->
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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</a> 1.8.6
|
||||||
</small></address>
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@ -158,7 +158,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
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</div><!-- fragment --></div><!-- contents -->
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
|
||||||
</small></address>
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</small></address>
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|||||||
@ -435,7 +435,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<hr class="footer"/><address class="footer"><small>
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|
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Generated on Fri Dec 18 2015 05:39:07 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
Generated on Sat Jan 16 2016 09:47:01 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</a> 1.8.6
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</small></address>
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@ -120,430 +120,538 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|||||||
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="comment">// The Arduino Due does not have any EEPROM natively on the main chip.</span></div>
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="comment">// The Arduino Due does not have any EEPROM natively on the main chip.</span></div>
|
||||||
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// However, it does have a TRNG and flash memory.</span></div>
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// However, it does have a TRNG and flash memory.</span></div>
|
||||||
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define RNG_DUE_TRNG 1</span></div>
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define RNG_DUE_TRNG 1</span></div>
|
||||||
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined(__AVR__)</span></div>
|
||||||
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EEPROM 1</span></div>
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EEPROM 1 // Use EEPROM to save the seed.</span></div>
|
||||||
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#include <avr/eeprom.h></span></div>
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_WATCHDOG 1 // Harvest entropy from watchdog jitter.</span></div>
|
||||||
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#include <avr/eeprom.h></span></div>
|
||||||
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span></div>
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <avr/wdt.h></span></div>
|
||||||
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <a class="code" href="classRNGClass.html">RNGClass</a> RNG;</div>
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span></div>
|
||||||
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
|
||||||
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment">// Number of ChaCha hash rounds to use for random number generation.</span></div>
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <a class="code" href="classRNGClass.html">RNGClass</a> RNG;</div>
|
||||||
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#define RNG_ROUNDS 20</span></div>
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
|
||||||
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// Number of ChaCha hash rounds to use for random number generation.</span></div>
|
||||||
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// Force a rekey after this many blocks of random data.</span></div>
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor">#define RNG_ROUNDS 20</span></div>
|
||||||
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#define RNG_REKEY_BLOCKS 16</span></div>
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">// Force a rekey after this many blocks of random data.</span></div>
|
||||||
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// Maximum entropy credit that can be contained in the pool.</span></div>
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#define RNG_REKEY_BLOCKS 16</span></div>
|
||||||
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#define RNG_MAX_CREDITS 384</span></div>
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">// Maximum entropy credit that can be contained in the pool.</span></div>
|
||||||
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// Tag for 256-bit ChaCha20 keys. This will always appear in the</span></div>
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#define RNG_MAX_CREDITS 384</span></div>
|
||||||
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">// first 16 bytes of the block. The remaining 48 bytes are the seed.</span></div>
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> tagRNG[16] PROGMEM = {</div>
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// Tag for 256-bit ChaCha20 keys. This will always appear in the</span></div>
|
||||||
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="charliteral">'e'</span>, <span class="charliteral">'x'</span>, <span class="charliteral">'p'</span>, <span class="charliteral">'a'</span>, <span class="charliteral">'n'</span>, <span class="charliteral">'d'</span>, <span class="charliteral">' '</span>, <span class="charliteral">'3'</span>,</div>
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment">// first 16 bytes of the block. The remaining 48 bytes are the seed.</span></div>
|
||||||
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="charliteral">'2'</span>, <span class="charliteral">'-'</span>, <span class="charliteral">'b'</span>, <span class="charliteral">'y'</span>, <span class="charliteral">'t'</span>, <span class="charliteral">'e'</span>, <span class="charliteral">' '</span>, <span class="charliteral">'k'</span></div>
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> tagRNG[16] PROGMEM = {</div>
|
||||||
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> };</div>
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="charliteral">'e'</span>, <span class="charliteral">'x'</span>, <span class="charliteral">'p'</span>, <span class="charliteral">'a'</span>, <span class="charliteral">'n'</span>, <span class="charliteral">'d'</span>, <span class="charliteral">' '</span>, <span class="charliteral">'3'</span>,</div>
|
||||||
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="charliteral">'2'</span>, <span class="charliteral">'-'</span>, <span class="charliteral">'b'</span>, <span class="charliteral">'y'</span>, <span class="charliteral">'t'</span>, <span class="charliteral">'e'</span>, <span class="charliteral">' '</span>, <span class="charliteral">'k'</span></div>
|
||||||
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// Initialization seed. This is the ChaCha20 output of hashing</span></div>
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> };</div>
|
||||||
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// "expand 32-byte k" followed by 48 bytes set to the numbers 1 to 48.</span></div>
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
|
||||||
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// The ChaCha20 output block is then truncated to the first 48 bytes.</span></div>
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// Initialization seed. This is the ChaCha20 output of hashing</span></div>
|
||||||
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">//</span></div>
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// "expand 32-byte k" followed by 48 bytes set to the numbers 1 to 48.</span></div>
|
||||||
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// This value is intended to start the RNG in a semi-chaotic state if</span></div>
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">// The ChaCha20 output block is then truncated to the first 48 bytes.</span></div>
|
||||||
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// we don't have a previously saved seed in EEPROM.</span></div>
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">//</span></div>
|
||||||
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">static</span> <span class="keyword">const</span> uint8_t initRNG[48] PROGMEM = {</div>
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">// This value is intended to start the RNG in a semi-chaotic state if</span></div>
|
||||||
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  0xB0, 0x2A, 0xAE, 0x7D, 0xEE, 0xCB, 0xBB, 0xB1,</div>
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment">// we don't have a previously saved seed in EEPROM.</span></div>
|
||||||
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  0xFC, 0x03, 0x6F, 0xDD, 0xDC, 0x7D, 0x76, 0x67,</div>
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">static</span> <span class="keyword">const</span> uint8_t initRNG[48] PROGMEM = {</div>
|
||||||
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  0x0C, 0xE8, 0x1F, 0x0D, 0xA3, 0xA0, 0xAA, 0x1E,</div>
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  0xB0, 0x2A, 0xAE, 0x7D, 0xEE, 0xCB, 0xBB, 0xB1,</div>
|
||||||
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  0xB0, 0xBD, 0x72, 0x6B, 0x2B, 0x4C, 0x8A, 0x7E,</div>
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  0xFC, 0x03, 0x6F, 0xDD, 0xDC, 0x7D, 0x76, 0x67,</div>
|
||||||
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  0x34, 0xFC, 0x37, 0x60, 0xF4, 0x1E, 0x22, 0xA0,</div>
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  0x0C, 0xE8, 0x1F, 0x0D, 0xA3, 0xA0, 0xAA, 0x1E,</div>
|
||||||
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  0x0B, 0xFB, 0x18, 0x84, 0x60, 0xA5, 0x77, 0x72</div>
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  0xB0, 0xBD, 0x72, 0x6B, 0x2B, 0x4C, 0x8A, 0x7E,</div>
|
||||||
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> };</div>
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  0x34, 0xFC, 0x37, 0x60, 0xF4, 0x1E, 0x22, 0xA0,</div>
|
||||||
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  0x0B, 0xFB, 0x18, 0x84, 0x60, 0xA5, 0x77, 0x72</div>
|
||||||
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9"> 182</a></span> <a class="code" href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9">RNGClass::RNGClass</a>()</div>
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> };</div>
|
||||||
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  : address(0)</div>
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
|
||||||
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  , credits(0)</div>
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor">#if defined(RNG_WATCHDOG)</span></div>
|
||||||
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  , firstSave(1)</div>
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  , timer(0)</div>
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// Use jitter between the watchdog timer and the main CPU clock to</span></div>
|
||||||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  , timeout(3600000UL) <span class="comment">// 1 hour in milliseconds</span></div>
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment">// harvest some entropy on AVR-based systems. This technique comes from:</span></div>
|
||||||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  , count(0)</div>
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">//</span></div>
|
||||||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  , trngPosn(0)</div>
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment">// https://sites.google.com/site/astudyofentropy/project-definition/timer-jitter-entropy-sources/entropy-library</span></div>
|
||||||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> {</div>
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">//</span></div>
|
||||||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div>
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">// The watchdog generates entropy very slowly - it can take around 32 seconds</span></div>
|
||||||
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">// to generate 256 bits of entropy credit. This is a "better than nothing"</span></div>
|
||||||
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31"> 196</a></span> <a class="code" href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31">RNGClass::~RNGClass</a>()</div>
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">// entropy source but a real noise source is definitely recommended.</span></div>
|
||||||
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div>
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
|
||||||
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// Helper macros for specific 32-bit shift counts.</span></div>
|
||||||
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor"></span> <span class="comment">// Disable the TRNG in the Arduino Due.</span></div>
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#define leftShift3(value) ((value) << 3)</span></div>
|
||||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  REG_TRNG_CR = TRNG_CR_KEY(0x524E47);</div>
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"></span><span class="preprocessor">#define leftShift10(value) ((value) << 10)</span></div>
|
||||||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"></span><span class="preprocessor">#define leftShift15(value) ((value) << 15)</span></div>
|
||||||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor"></span> clean(block);</div>
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"></span><span class="preprocessor">#define rightShift6(value) ((value) >> 6)</span></div>
|
||||||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  clean(stream);</div>
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor"></span><span class="preprocessor">#define rightShift11(value) ((value) >> 11)</span></div>
|
||||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div>
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">static</span> uint32_t <span class="keyword">volatile</span> hash = 0;</div>
|
||||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">static</span> uint8_t <span class="keyword">volatile</span> outBits = 0;</div>
|
||||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div>
|
||||||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment">// Find the flash memory of interest. Allow for the possibility</span></div>
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// Watchdog interrupt handler. This fires off every 16ms. We collect</span></div>
|
||||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment">// of other SAM-based Arduino variants in the future.</span></div>
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// 32 bits and then pass them off onto RNGClass::loop().</span></div>
|
||||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor">#if defined(IFLASH1_ADDR)</span></div>
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> ISR(WDT_vect)</div>
|
||||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_ADDR IFLASH1_ADDR</span></div>
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> {</div>
|
||||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_SIZE IFLASH1_SIZE</span></div>
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// Read the low byte of Timer 1. We assume that the timer was</span></div>
|
||||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_PAGE_SIZE IFLASH1_PAGE_SIZE</span></div>
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// initialized by the Arduino startup code for PWM use or that the</span></div>
|
||||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EFC EFC1</span></div>
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// application is free-running Timer 1 for its own purposes.</span></div>
|
||||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined(IFLASH0_ADDR)</span></div>
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// Timer 0 is used on systems that don't have a Timer 1.</span></div>
|
||||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_ADDR IFLASH0_ADDR</span></div>
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#if defined(TCNT1L)</span></div>
|
||||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_SIZE IFLASH0_SIZE</span></div>
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> value = TCNT1L;</div>
|
||||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_PAGE_SIZE IFLASH0_PAGE_SIZE</span></div>
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#elif defined(TCNT0L)</span></div>
|
||||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EFC EFC0</span></div>
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> value = TCNT0L;</div>
|
||||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#else</span></div>
|
||||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_ADDR IFLASH_ADDR</span></div>
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> value = TCNT0;</div>
|
||||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_SIZE IFLASH_SIZE</span></div>
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_PAGE_SIZE IFLASH_PAGE_SIZE</span></div>
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor"></span> <span class="comment">// Use Jenkin's one-at-a-time hash function to scatter the entropy a bit.</span></div>
|
||||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EFC EFC</span></div>
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// https://en.wikipedia.org/wiki/Jenkins_hash_function</span></div>
|
||||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  hash += value;</div>
|
||||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  hash += leftShift10(hash);</div>
|
||||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment">// Address of the flash page to use for saving the seed on the Due.</span></div>
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  hash ^= rightShift6(hash);</div>
|
||||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">// All SAM variants have a page size of 256 bytes or greater so there is</span></div>
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  ++outBits;</div>
|
||||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment">// plenty of room for the 48 byte seed in the last page of flash memory.</span></div>
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> }</div>
|
||||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#define RNG_SEED_ADDR (RNG_FLASH_ADDR + RNG_FLASH_SIZE - RNG_FLASH_PAGE_SIZE)</span></div>
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
|
||||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_SEED_PAGE ((RNG_FLASH_SIZE / RNG_FLASH_PAGE_SIZE) - 1)</span></div>
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#endif // RNG_WATCHDOG</span></div>
|
||||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment">// Stir in the unique identifier for the Arduino Due's CPU.</span></div>
|
<div class="line"><a name="l00230"></a><span class="lineno"><a class="line" href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9"> 230</a></span> <a class="code" href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9">RNGClass::RNGClass</a>()</div>
|
||||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// This function must be in RAM because programs running out of</span></div>
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  : address(0)</div>
|
||||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// flash memory are not allowed to access the unique identifier.</span></div>
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  , credits(0)</div>
|
||||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment">// Info from: http://forum.arduino.cc/index.php?topic=289190.0</span></div>
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  , firstSave(1)</div>
|
||||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> __attribute__((section(<span class="stringliteral">".ramfunc"</span>)))</div>
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  , timer(0)</div>
|
||||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> static <span class="keywordtype">void</span> stirUniqueIdentifier(<span class="keywordtype">void</span>)</div>
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  , timeout(3600000UL) <span class="comment">// 1 hour in milliseconds</span></div>
|
||||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> {</div>
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  , count(0)</div>
|
||||||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  uint32_t <span class="keywordtype">id</span>[4];</div>
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  , trngPosn(0)</div>
|
||||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div>
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> {</div>
|
||||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// Start Read Unique Identifier.</span></div>
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
|
||||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  RNG_EFC->EEFC_FCR = (0x5A << 24) | EFC_FCMD_STUI;</div>
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div>
|
||||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">while</span> ((RNG_EFC->EEFC_FSR & EEFC_FSR_FRDY) != 0)</div>
|
<div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31"> 244</a></span> <a class="code" href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31">RNGClass::~RNGClass</a>()</div>
|
||||||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  ; <span class="comment">// do nothing until FRDY falls.</span></div>
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> {</div>
|
||||||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div>
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
||||||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">// Read the identifier.</span></div>
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor"></span> <span class="comment">// Disable the TRNG in the Arduino Due.</span></div>
|
||||||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">id</span>[0] = *((<span class="keyword">const</span> uint32_t *)RNG_FLASH_ADDR);</div>
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  REG_TRNG_CR = TRNG_CR_KEY(0x524E47);</div>
|
||||||
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">id</span>[1] = *((<span class="keyword">const</span> uint32_t *)(RNG_FLASH_ADDR + 4));</div>
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">id</span>[2] = *((<span class="keyword">const</span> uint32_t *)(RNG_FLASH_ADDR + 8));</div>
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(RNG_WATCHDOG)</span></div>
|
||||||
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordtype">id</span>[3] = *((<span class="keyword">const</span> uint32_t *)(RNG_FLASH_ADDR + 12));</div>
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor"></span> <span class="comment">// Disable interrupts and reset the watchdog.</span></div>
|
||||||
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div>
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  cli();</div>
|
||||||
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// Stop Read Unique Identifier.</span></div>
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  wdt_reset();</div>
|
||||||
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  RNG_EFC->EEFC_FCR = (0x5A << 24) | EFC_FCMD_SPUI;</div>
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
|
||||||
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">while</span> ((RNG_EFC->EEFC_FSR & EEFC_FSR_FRDY) == 0)</div>
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// Clear the "reset due to watchdog" flag.</span></div>
|
||||||
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  ; <span class="comment">// do nothing until FRDY rises.</span></div>
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  MCUSR &= ~(1 << WDRF);</div>
|
||||||
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div>
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div>
|
||||||
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Stir the unique identifier into the entropy pool.</span></div>
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Disable the watchdog.</span></div>
|
||||||
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  RNG.<a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">stir</a>((uint8_t *)<span class="keywordtype">id</span>, <span class="keyword">sizeof</span>(<span class="keywordtype">id</span>));</div>
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  _WD_CONTROL_REG |= (1 << _WD_CHANGE_BIT) | (1 << WDE);</div>
|
||||||
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> }</div>
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  _WD_CONTROL_REG = 0;</div>
|
||||||
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
|
||||||
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment">// Erases the flash page containing the seed and then writes the new seed.</span></div>
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// Re-enable interrupts. The watchdog should be stopped.</span></div>
|
||||||
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment">// It is assumed the seed has already been loaded into the latch registers.</span></div>
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  sei();</div>
|
||||||
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> __attribute__((section(<span class="stringliteral">".ramfunc"</span>)))</div>
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> static <span class="keywordtype">void</span> eraseAndWriteSeed()</div>
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor"></span> clean(block);</div>
|
||||||
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> {</div>
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  clean(stream);</div>
|
||||||
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// Execute the "Erase and Write Page" command.</span></div>
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div>
|
||||||
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  RNG_EFC->EEFC_FCR = (0x5A << 24) | (RNG_SEED_PAGE << 8) | EFC_FCMD_EWP;</div>
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div>
|
||||||
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
||||||
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">// Wait for the FRDY bit to be raised.</span></div>
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">while</span> ((RNG_EFC->EEFC_FSR & EEFC_FSR_FRDY) == 0)</div>
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment">// Find the flash memory of interest. Allow for the possibility</span></div>
|
||||||
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  ; <span class="comment">// do nothing until FRDY rises.</span></div>
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// of other SAM-based Arduino variants in the future.</span></div>
|
||||||
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> }</div>
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor">#if defined(IFLASH1_ADDR)</span></div>
|
||||||
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_ADDR IFLASH1_ADDR</span></div>
|
||||||
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_SIZE IFLASH1_SIZE</span></div>
|
||||||
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_PAGE_SIZE IFLASH1_PAGE_SIZE</span></div>
|
||||||
<div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8"> 296</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8">RNGClass::begin</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *tag, <span class="keywordtype">int</span> eepromAddress)</div>
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EFC EFC1</span></div>
|
||||||
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> {</div>
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined(IFLASH0_ADDR)</span></div>
|
||||||
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// Save the EEPROM address for use by save().</span></div>
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_ADDR IFLASH0_ADDR</span></div>
|
||||||
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  address = eepromAddress;</div>
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_SIZE IFLASH0_SIZE</span></div>
|
||||||
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div>
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_PAGE_SIZE IFLASH0_PAGE_SIZE</span></div>
|
||||||
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// Initialize the ChaCha20 input block from the saved seed.</span></div>
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EFC EFC0</span></div>
|
||||||
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  memcpy_P(block, tagRNG, <span class="keyword">sizeof</span>(tagRNG));</div>
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
|
||||||
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  memcpy_P(block + 4, initRNG, <span class="keyword">sizeof</span>(initRNG));</div>
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_ADDR IFLASH_ADDR</span></div>
|
||||||
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#if defined(RNG_EEPROM)</span></div>
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_SIZE IFLASH_SIZE</span></div>
|
||||||
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (eeprom_read_byte((<span class="keyword">const</span> uint8_t *)address) == <span class="charliteral">'S'</span>) {</div>
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_FLASH_PAGE_SIZE IFLASH_PAGE_SIZE</span></div>
|
||||||
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// We have a saved seed: XOR it with the initialization block.</span></div>
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_EFC EFC</span></div>
|
||||||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> posn = 0; posn < 12; ++posn) {</div>
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  block[posn + 4] ^=</div>
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  eeprom_read_dword((<span class="keyword">const</span> uint32_t *)(address + posn * 4 + 1));</div>
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment">// Address of the flash page to use for saving the seed on the Due.</span></div>
|
||||||
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div>
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// All SAM variants have a page size of 256 bytes or greater so there is</span></div>
|
||||||
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">// plenty of room for the 48 byte seed in the last page of flash memory.</span></div>
|
||||||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="preprocessor">#elif defined(RNG_DUE_TRNG)</span></div>
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor">#define RNG_SEED_ADDR (RNG_FLASH_ADDR + RNG_FLASH_SIZE - RNG_FLASH_PAGE_SIZE)</span></div>
|
||||||
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="preprocessor"></span> <span class="comment">// Do we have a seed saved in the last page of flash memory on the Due?</span></div>
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor"></span><span class="preprocessor">#define RNG_SEED_PAGE ((RNG_FLASH_SIZE / RNG_FLASH_PAGE_SIZE) - 1)</span></div>
|
||||||
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordtype">int</span> posn, counter;</div>
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (((<span class="keyword">const</span> uint32_t *)RNG_SEED_ADDR)[0] == <span class="charliteral">'S'</span>) {</div>
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment">// Stir in the unique identifier for the Arduino Due's CPU.</span></div>
|
||||||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// XOR the saved seed with the initialization block.</span></div>
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment">// This function must be in RAM because programs running out of</span></div>
|
||||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">for</span> (posn = 0; posn < 12; ++posn)</div>
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment">// flash memory are not allowed to access the unique identifier.</span></div>
|
||||||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  block[posn + 4] ^= ((<span class="keyword">const</span> uint32_t *)RNG_SEED_ADDR)[posn + 1];</div>
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment">// Info from: http://forum.arduino.cc/index.php?topic=289190.0</span></div>
|
||||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div>
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> __attribute__((section(<span class="stringliteral">".ramfunc"</span>)))</div>
|
||||||
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> static <span class="keywordtype">void</span> stirUniqueIdentifier(<span class="keywordtype">void</span>)</div>
|
||||||
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> {</div>
|
||||||
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  uint32_t <span class="keywordtype">id</span>[4];</div>
|
||||||
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
|
||||||
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// Start Read Unique Identifier.</span></div>
|
||||||
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  RNG_EFC->EEFC_FCR = (0x5A << 24) | EFC_FCMD_STUI;</div>
|
||||||
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">while</span> ((RNG_EFC->EEFC_FSR & EEFC_FSR_FRDY) != 0)</div>
|
||||||
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  ; <span class="comment">// do nothing until FRDY falls.</span></div>
|
||||||
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
|
||||||
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// Read the identifier.</span></div>
|
||||||
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordtype">id</span>[0] = *((<span class="keyword">const</span> uint32_t *)RNG_FLASH_ADDR);</div>
|
||||||
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">id</span>[1] = *((<span class="keyword">const</span> uint32_t *)(RNG_FLASH_ADDR + 4));</div>
|
||||||
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordtype">id</span>[2] = *((<span class="keyword">const</span> uint32_t *)(RNG_FLASH_ADDR + 8));</div>
|
||||||
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordtype">id</span>[3] = *((<span class="keyword">const</span> uint32_t *)(RNG_FLASH_ADDR + 12));</div>
|
||||||
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
|
||||||
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// Stop Read Unique Identifier.</span></div>
|
||||||
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  RNG_EFC->EEFC_FCR = (0x5A << 24) | EFC_FCMD_SPUI;</div>
|
||||||
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">while</span> ((RNG_EFC->EEFC_FSR & EEFC_FSR_FRDY) == 0)</div>
|
||||||
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  ; <span class="comment">// do nothing until FRDY rises.</span></div>
|
||||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div>
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div>
|
||||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// If the device has just been reprogrammed, there will be no saved seed.</span></div>
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// Stir the unique identifier into the entropy pool.</span></div>
|
||||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// XOR the initialization block with some output from the CPU's TRNG</span></div>
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  RNG.<a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">stir</a>((uint8_t *)<span class="keywordtype">id</span>, <span class="keyword">sizeof</span>(<span class="keywordtype">id</span>));</div>
|
||||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">// to permute the state in a first boot situation after reprogramming.</span></div>
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div>
|
||||||
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  pmc_enable_periph_clk(ID_TRNG);</div>
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div>
|
||||||
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  REG_TRNG_CR = TRNG_CR_KEY(0x524E47) | TRNG_CR_ENABLE;</div>
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment">// Erases the flash page containing the seed and then writes the new seed.</span></div>
|
||||||
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  REG_TRNG_IDR = TRNG_IDR_DATRDY; <span class="comment">// Disable interrupts - we will poll.</span></div>
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// It is assumed the seed has already been loaded into the latch registers.</span></div>
|
||||||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">for</span> (posn = 0; posn < 12; ++posn) {</div>
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> __attribute__((section(<span class="stringliteral">".ramfunc"</span>)))</div>
|
||||||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// According to the documentation the TRNG should produce a new</span></div>
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> static <span class="keywordtype">void</span> eraseAndWriteSeed()</div>
|
||||||
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">// 32-bit random value every 84 clock cycles. If it still hasn't</span></div>
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> {</div>
|
||||||
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">// produced a value after 200 iterations, then assume that the</span></div>
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">// Execute the "Erase and Write Page" command.</span></div>
|
||||||
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// TRNG is not producing output and stop.</span></div>
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  RNG_EFC->EEFC_FCR = (0x5A << 24) | (RNG_SEED_PAGE << 8) | EFC_FCMD_EWP;</div>
|
||||||
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">for</span> (counter = 0; counter < 200; ++counter) {</div>
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
|
||||||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">if</span> ((REG_TRNG_ISR & TRNG_ISR_DATRDY) != 0)</div>
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// Wait for the FRDY bit to be raised.</span></div>
|
||||||
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">break</span>;</div>
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">while</span> ((RNG_EFC->EEFC_FSR & EEFC_FSR_FRDY) == 0)</div>
|
||||||
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  ; <span class="comment">// do nothing until FRDY rises.</span></div>
|
||||||
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (counter >= 200)</div>
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> }</div>
|
||||||
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">break</span>;</div>
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
|
||||||
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  block[posn + 4] ^= REG_TRNG_ODATA;</div>
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  }</div>
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00359"></a><span class="lineno"><a class="line" href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8"> 359</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8">RNGClass::begin</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *tag, <span class="keywordtype">int</span> eepromAddress)</div>
|
||||||
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> {</div>
|
||||||
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// No entropy credits for the saved seed.</span></div>
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// Save the EEPROM address for use by save().</span></div>
|
||||||
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  credits = 0;</div>
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  address = eepromAddress;</div>
|
||||||
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div>
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div>
|
||||||
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="comment">// Trigger an automatic save once the entropy credits max out.</span></div>
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">// Initialize the ChaCha20 input block from the saved seed.</span></div>
|
||||||
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  firstSave = 1;</div>
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  memcpy_P(block, tagRNG, <span class="keyword">sizeof</span>(tagRNG));</div>
|
||||||
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div>
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  memcpy_P(block + 4, initRNG, <span class="keyword">sizeof</span>(initRNG));</div>
|
||||||
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// Rekey the random number generator immediately.</span></div>
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="preprocessor">#if defined(RNG_EEPROM)</span></div>
|
||||||
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  rekey();</div>
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (eeprom_read_byte((<span class="keyword">const</span> uint8_t *)address) == <span class="charliteral">'S'</span>) {</div>
|
||||||
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="comment">// We have a saved seed: XOR it with the initialization block.</span></div>
|
||||||
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="comment">// Stir in the supplied tag data but don't credit any entropy to it.</span></div>
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> posn = 0; posn < 12; ++posn) {</div>
|
||||||
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (tag)</div>
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  block[posn + 4] ^=</div>
|
||||||
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">stir</a>((<span class="keyword">const</span> uint8_t *)tag, strlen(tag));</div>
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  eeprom_read_dword((<span class="keyword">const</span> uint32_t *)(address + posn * 4 + 1));</div>
|
||||||
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
|
||||||
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
|
||||||
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="preprocessor"></span> <span class="comment">// Stir in the unique identifier for the CPU so that different</span></div>
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#elif defined(RNG_DUE_TRNG)</span></div>
|
||||||
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// devices will give different outputs even without seeding.</span></div>
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor"></span> <span class="comment">// Do we have a seed saved in the last page of flash memory on the Due?</span></div>
|
||||||
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  stirUniqueIdentifier();</div>
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordtype">int</span> posn, counter;</div>
|
||||||
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">if</span> (((<span class="keyword">const</span> uint32_t *)RNG_SEED_ADDR)[0] == <span class="charliteral">'S'</span>) {</div>
|
||||||
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor"></span></div>
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// XOR the saved seed with the initialization block.</span></div>
|
||||||
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// Re-save the seed to obliterate the previous value and to ensure</span></div>
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">for</span> (posn = 0; posn < 12; ++posn)</div>
|
||||||
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">// that if the system is reset without a call to save() that we won't</span></div>
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  block[posn + 4] ^= ((<span class="keyword">const</span> uint32_t *)RNG_SEED_ADDR)[posn + 1];</div>
|
||||||
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// accidentally generate the same sequence of random data again.</span></div>
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</div>
|
||||||
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">save</a>();</div>
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div>
|
||||||
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> }</div>
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">// If the device has just been reprogrammed, there will be no saved seed.</span></div>
|
||||||
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">// XOR the initialization block with some output from the CPU's TRNG</span></div>
|
||||||
<div class="line"><a name="l00379"></a><span class="lineno"><a class="line" href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db"> 379</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db">RNGClass::addNoiseSource</a>(<a class="code" href="classNoiseSource.html">NoiseSource</a> &source)</div>
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// to permute the state in a first boot situation after reprogramming.</span></div>
|
||||||
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> {</div>
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  pmc_enable_periph_clk(ID_TRNG);</div>
|
||||||
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="preprocessor"> #define MAX_NOISE_SOURCES (sizeof(noiseSources) / sizeof(noiseSources[0]))</span></div>
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  REG_TRNG_CR = TRNG_CR_KEY(0x524E47) | TRNG_CR_ENABLE;</div>
|
||||||
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (count < MAX_NOISE_SOURCES) {</div>
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  REG_TRNG_IDR = TRNG_IDR_DATRDY; <span class="comment">// Disable interrupts - we will poll.</span></div>
|
||||||
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  noiseSources[count++] = &source;</div>
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">for</span> (posn = 0; posn < 12; ++posn) {</div>
|
||||||
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  source.<a class="code" href="classNoiseSource.html#a48d0efabd71ff6e557a0898be79c49ba">added</a>();</div>
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="comment">// According to the documentation the TRNG should produce a new</span></div>
|
||||||
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div>
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="comment">// 32-bit random value every 84 clock cycles. If it still hasn't</span></div>
|
||||||
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div>
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">// produced a value after 200 iterations, then assume that the</span></div>
|
||||||
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div>
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">// TRNG is not producing output and stop.</span></div>
|
||||||
<div class="line"><a name="l00404"></a><span class="lineno"><a class="line" href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d"> 404</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d">RNGClass::setAutoSaveTime</a>(uint16_t minutes)</div>
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">for</span> (counter = 0; counter < 200; ++counter) {</div>
|
||||||
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> {</div>
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> ((REG_TRNG_ISR & TRNG_ISR_DATRDY) != 0)</div>
|
||||||
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span> (!minutes)</div>
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">break</span>;</div>
|
||||||
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  minutes = 1; <span class="comment">// Just in case.</span></div>
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div>
|
||||||
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  timeout = ((uint32_t)minutes) * 60000U;</div>
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">if</span> (counter >= 200)</div>
|
||||||
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> }</div>
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">break</span>;</div>
|
||||||
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  block[posn + 4] ^= REG_TRNG_ODATA;</div>
|
||||||
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div>
|
||||||
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="preprocessor">#endif</span></div>
|
||||||
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="preprocessor"></span></div>
|
||||||
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">// No entropy credits for the saved seed.</span></div>
|
||||||
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  credits = 0;</div>
|
||||||
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div>
|
||||||
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="comment">// Trigger an automatic save once the entropy credits max out.</span></div>
|
||||||
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  firstSave = 1;</div>
|
||||||
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div>
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div>
|
||||||
<div class="line"><a name="l00428"></a><span class="lineno"><a class="line" href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29"> 428</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a>(uint8_t *data, <span class="keywordtype">size_t</span> len)</div>
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">// Rekey the random number generator immediately.</span></div>
|
||||||
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> {</div>
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  rekey();</div>
|
||||||
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">// Decrease the amount of entropy in the pool.</span></div>
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div>
|
||||||
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">if</span> (len > (credits / 8))</div>
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">// Stir in the supplied tag data but don't credit any entropy to it.</span></div>
|
||||||
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  credits = 0;</div>
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (tag)</div>
|
||||||
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">else</span></div>
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">stir</a>((<span class="keyword">const</span> uint8_t *)tag, strlen(tag));</div>
|
||||||
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  credits -= len * 8;</div>
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div>
|
||||||
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div>
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
||||||
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="comment">// Generate the random data.</span></div>
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="preprocessor"></span> <span class="comment">// Stir in the unique identifier for the CPU so that different</span></div>
|
||||||
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  uint8_t count = 0;</div>
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// devices will give different outputs even without seeding.</span></div>
|
||||||
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  stirUniqueIdentifier();</div>
|
||||||
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="comment">// Force a rekey if we have generated too many blocks in this request.</span></div>
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">if</span> (count >= RNG_REKEY_BLOCKS) {</div>
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> <span class="preprocessor"></span></div>
|
||||||
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  rekey();</div>
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="preprocessor">#if defined(RNG_WATCHDOG)</span></div>
|
||||||
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  count = 1;</div>
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="preprocessor"></span> <span class="comment">// Disable interrupts and reset the watchdog.</span></div>
|
||||||
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  } <span class="keywordflow">else</span> {</div>
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  cli();</div>
|
||||||
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  ++count;</div>
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  wdt_reset();</div>
|
||||||
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  }</div>
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> </div>
|
||||||
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">// Clear the "reset due to watchdog" flag.</span></div>
|
||||||
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  MCUSR &= ~(1 << WDRF);</div>
|
||||||
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> </div>
|
||||||
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="comment">// Enable the watchdog with the smallest duration (16ms)</span></div>
|
||||||
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// and interrupt-only mode.</span></div>
|
||||||
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  _WD_CONTROL_REG |= (1 << _WD_CHANGE_BIT) | (1 << WDE);</div>
|
||||||
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  _WD_CONTROL_REG = (1 << WDIE);</div>
|
||||||
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div>
|
||||||
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">// Re-enable interrupts. The watchdog should be running.</span></div>
|
||||||
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  sei();</div>
|
||||||
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="preprocessor">#endif</span></div>
|
||||||
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor"></span></div>
|
||||||
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">// Re-save the seed to obliterate the previous value and to ensure</span></div>
|
||||||
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="comment">// that if the system is reset without a call to save() that we won't</span></div>
|
||||||
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// accidentally generate the same sequence of random data again.</span></div>
|
||||||
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">save</a>();</div>
|
||||||
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div>
|
||||||
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div>
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div>
|
||||||
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">// Increment the low counter word and generate a new keystream block.</span></div>
|
<div class="line"><a name="l00459"></a><span class="lineno"><a class="line" href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db"> 459</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db">RNGClass::addNoiseSource</a>(<a class="code" href="classNoiseSource.html">NoiseSource</a> &source)</div>
|
||||||
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  ++(block[12]);</div>
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> {</div>
|
||||||
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <a class="code" href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a>(stream, block, RNG_ROUNDS);</div>
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="preprocessor"> #define MAX_NOISE_SOURCES (sizeof(noiseSources) / sizeof(noiseSources[0]))</span></div>
|
||||||
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div>
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (count < MAX_NOISE_SOURCES) {</div>
|
||||||
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">// Copy the data to the return buffer.</span></div>
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  noiseSources[count++] = &source;</div>
|
||||||
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span> (len < 64) {</div>
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  source.<a class="code" href="classNoiseSource.html#a48d0efabd71ff6e557a0898be79c49ba">added</a>();</div>
|
||||||
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  memcpy(data, stream, len);</div>
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div>
|
||||||
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">break</span>;</div>
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> }</div>
|
||||||
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  } <span class="keywordflow">else</span> {</div>
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div>
|
||||||
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  memcpy(data, stream, 64);</div>
|
<div class="line"><a name="l00484"></a><span class="lineno"><a class="line" href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d"> 484</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d">RNGClass::setAutoSaveTime</a>(uint16_t minutes)</div>
|
||||||
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  data += 64;</div>
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> {</div>
|
||||||
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  len -= 64;</div>
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">if</span> (!minutes)</div>
|
||||||
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  }</div>
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  minutes = 1; <span class="comment">// Just in case.</span></div>
|
||||||
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div>
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  timeout = ((uint32_t)minutes) * 60000U;</div>
|
||||||
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> </div>
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> }</div>
|
||||||
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="comment">// Force a rekey after every request.</span></div>
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> </div>
|
||||||
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  rekey();</div>
|
<div class="line"><a name="l00508"></a><span class="lineno"><a class="line" href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29"> 508</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a>(uint8_t *data, <span class="keywordtype">size_t</span> len)</div>
|
||||||
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> }</div>
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> {</div>
|
||||||
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> </div>
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="comment">// Decrease the amount of entropy in the pool.</span></div>
|
||||||
<div class="line"><a name="l00505"></a><span class="lineno"><a class="line" href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659"> 505</a></span> <span class="keywordtype">bool</span> <a class="code" href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659">RNGClass::available</a>(<span class="keywordtype">size_t</span> len)<span class="keyword"> const</span></div>
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">if</span> (len > (credits / 8))</div>
|
||||||
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="keyword"></span>{</div>
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  credits = 0;</div>
|
||||||
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> (len >= (RNG_MAX_CREDITS / 8))</div>
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">else</span></div>
|
||||||
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> credits >= RNG_MAX_CREDITS;</div>
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  credits -= len * 8;</div>
|
||||||
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">else</span></div>
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> </div>
|
||||||
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">return</span> len <= (credits / 8);</div>
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="comment">// Generate the random data.</span></div>
|
||||||
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> }</div>
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  uint8_t count = 0;</div>
|
||||||
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> </div>
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
||||||
<div class="line"><a name="l00538"></a><span class="lineno"><a class="line" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02"> 538</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a>(<span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> len, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> credit)</div>
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="comment">// Force a rekey if we have generated too many blocks in this request.</span></div>
|
||||||
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> {</div>
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (count >= RNG_REKEY_BLOCKS) {</div>
|
||||||
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="comment">// Increase the entropy credit.</span></div>
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  rekey();</div>
|
||||||
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">if</span> ((credit / 8) >= len)</div>
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  count = 1;</div>
|
||||||
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  credit = len * 8;</div>
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  } <span class="keywordflow">else</span> {</div>
|
||||||
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">if</span> ((RNG_MAX_CREDITS - credits) > credit)</div>
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  ++count;</div>
|
||||||
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  credits += credit;</div>
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  }</div>
|
||||||
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">else</span></div>
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> </div>
|
||||||
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  credits = RNG_MAX_CREDITS;</div>
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="comment">// Increment the low counter word and generate a new keystream block.</span></div>
|
||||||
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> </div>
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  ++(block[12]);</div>
|
||||||
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="comment">// Process the supplied input data.</span></div>
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <a class="code" href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a>(stream, block, RNG_ROUNDS);</div>
|
||||||
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">if</span> (len > 0) {</div>
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> </div>
|
||||||
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="comment">// XOR the data with the ChaCha input block in 48 byte</span></div>
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="comment">// Copy the data to the return buffer.</span></div>
|
||||||
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="comment">// chunks and rekey the ChaCha cipher for each chunk to mix</span></div>
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">if</span> (len < 64) {</div>
|
||||||
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="comment">// the data in. This should scatter any "true entropy" in</span></div>
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  memcpy(data, stream, len);</div>
|
||||||
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="comment">// the input across the entire block.</span></div>
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">break</span>;</div>
|
||||||
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  } <span class="keywordflow">else</span> {</div>
|
||||||
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordtype">size_t</span> templen = len;</div>
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  memcpy(data, stream, 64);</div>
|
||||||
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">if</span> (templen > 48)</div>
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  data += 64;</div>
|
||||||
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  templen = 48;</div>
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  len -= 64;</div>
|
||||||
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  uint8_t *output = ((uint8_t *)block) + 16;</div>
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div>
|
||||||
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  len -= templen;</div>
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  }</div>
|
||||||
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">while</span> (templen > 0) {</div>
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> </div>
|
||||||
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  *output++ ^= *data++;</div>
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="comment">// Force a rekey after every request.</span></div>
|
||||||
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  --templen;</div>
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  rekey();</div>
|
||||||
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  }</div>
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> }</div>
|
||||||
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  rekey();</div>
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div>
|
||||||
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  }</div>
|
<div class="line"><a name="l00585"></a><span class="lineno"><a class="line" href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659"> 585</a></span> <span class="keywordtype">bool</span> <a class="code" href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659">RNGClass::available</a>(<span class="keywordtype">size_t</span> len)<span class="keyword"> const</span></div>
|
||||||
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  } <span class="keywordflow">else</span> {</div>
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="keyword"></span>{</div>
|
||||||
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="comment">// There was no input data, so just force a rekey so we</span></div>
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordflow">if</span> (len >= (RNG_MAX_CREDITS / 8))</div>
|
||||||
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="comment">// get some mixing of the state even without new data.</span></div>
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordflow">return</span> credits >= RNG_MAX_CREDITS;</div>
|
||||||
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  rekey();</div>
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">else</span></div>
|
||||||
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">return</span> len <= (credits / 8);</div>
|
||||||
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div>
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> }</div>
|
||||||
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="comment">// Save if this is the first time we have reached max entropy.</span></div>
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div>
|
||||||
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="comment">// This provides some protection if the system is powered off before</span></div>
|
<div class="line"><a name="l00618"></a><span class="lineno"><a class="line" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02"> 618</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a>(<span class="keyword">const</span> uint8_t *data, <span class="keywordtype">size_t</span> len, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> credit)</div>
|
||||||
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="comment">// the first auto-save timeout occurs.</span></div>
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> {</div>
|
||||||
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordflow">if</span> (firstSave && credits >= RNG_MAX_CREDITS) {</div>
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// Increase the entropy credit.</span></div>
|
||||||
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  firstSave = 0;</div>
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">if</span> ((credit / 8) >= len && len)</div>
|
||||||
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">save</a>();</div>
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  credit = len * 8;</div>
|
||||||
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  }</div>
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">if</span> ((RNG_MAX_CREDITS - credits) > credit)</div>
|
||||||
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> }</div>
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  credits += credit;</div>
|
||||||
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> </div>
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordflow">else</span></div>
|
||||||
<div class="line"><a name="l00607"></a><span class="lineno"><a class="line" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7"> 607</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">RNGClass::save</a>()</div>
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  credits = RNG_MAX_CREDITS;</div>
|
||||||
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> {</div>
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div>
|
||||||
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="comment">// Generate random data from the current state and save</span></div>
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="comment">// Process the supplied input data.</span></div>
|
||||||
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="comment">// that as the seed. Then force a rekey.</span></div>
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">if</span> (len > 0) {</div>
|
||||||
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  ++(block[12]);</div>
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="comment">// XOR the data with the ChaCha input block in 48 byte</span></div>
|
||||||
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <a class="code" href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a>(stream, block, RNG_ROUNDS);</div>
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="comment">// chunks and rekey the ChaCha cipher for each chunk to mix</span></div>
|
||||||
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="preprocessor">#if defined(RNG_EEPROM)</span></div>
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="comment">// the data in. This should scatter any "true entropy" in</span></div>
|
||||||
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="preprocessor"></span> eeprom_write_block(stream, (<span class="keywordtype">void</span> *)(address + 1), 48);</div>
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="comment">// the input across the entire block.</span></div>
|
||||||
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  eeprom_update_byte((uint8_t *)address, <span class="charliteral">'S'</span>);</div>
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
||||||
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="preprocessor">#elif defined(RNG_DUE_TRNG)</span></div>
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordtype">size_t</span> templen = len;</div>
|
||||||
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> posn;</div>
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">if</span> (templen > 48)</div>
|
||||||
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  ((uint32_t *)(RNG_SEED_ADDR))[0] = <span class="charliteral">'S'</span>;</div>
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  templen = 48;</div>
|
||||||
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">for</span> (posn = 0; posn < 12; ++posn)</div>
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  uint8_t *output = ((uint8_t *)block) + 16;</div>
|
||||||
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  ((uint32_t *)(RNG_SEED_ADDR))[posn + 1] = stream[posn];</div>
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  len -= templen;</div>
|
||||||
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">for</span> (posn = 13; posn < (RNG_FLASH_PAGE_SIZE / 4); ++posn)</div>
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keywordflow">while</span> (templen > 0) {</div>
|
||||||
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  ((uint32_t *)(RNG_SEED_ADDR))[posn + 13] = 0xFFFFFFFF;</div>
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  *output++ ^= *data++;</div>
|
||||||
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  eraseAndWriteSeed();</div>
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  --templen;</div>
|
||||||
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> <span class="preprocessor">#endif</span></div>
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  }</div>
|
||||||
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> <span class="preprocessor"></span> rekey();</div>
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  rekey();</div>
|
||||||
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  timer = millis();</div>
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  }</div>
|
||||||
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> }</div>
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  } <span class="keywordflow">else</span> {</div>
|
||||||
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> </div>
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="comment">// There was no input data, so just force a rekey so we</span></div>
|
||||||
<div class="line"><a name="l00635"></a><span class="lineno"><a class="line" href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13"> 635</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13">RNGClass::loop</a>()</div>
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="comment">// get some mixing of the state even without new data.</span></div>
|
||||||
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> {</div>
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  rekey();</div>
|
||||||
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="comment">// Stir in the entropy from all registered noise sources.</span></div>
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  }</div>
|
||||||
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordflow">for</span> (uint8_t posn = 0; posn < count; ++posn)</div>
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> </div>
|
||||||
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  noiseSources[posn]-><a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">stir</a>();</div>
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="comment">// Save if this is the first time we have reached max entropy.</span></div>
|
||||||
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> </div>
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="comment">// This provides some protection if the system is powered off before</span></div>
|
||||||
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="comment">// the first auto-save timeout occurs.</span></div>
|
||||||
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> <span class="preprocessor"></span> <span class="comment">// If there is data available from the Arudino Due's TRNG, then XOR</span></div>
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span> (firstSave && credits >= RNG_MAX_CREDITS) {</div>
|
||||||
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="comment">// it with the state block and increase the entropy credit. We don't</span></div>
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  firstSave = 0;</div>
|
||||||
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="comment">// call stir() yet because that will seriously slow down the system</span></div>
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">save</a>();</div>
|
||||||
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="comment">// given how fast the TRNG is. Instead we save up the XOR'ed TRNG</span></div>
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  }</div>
|
||||||
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="comment">// data until the next rand() call and then hash it to generate the</span></div>
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> }</div>
|
||||||
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="comment">// desired output.</span></div>
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> </div>
|
||||||
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="comment">//</span></div>
|
<div class="line"><a name="l00687"></a><span class="lineno"><a class="line" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7"> 687</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">RNGClass::save</a>()</div>
|
||||||
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="comment">// The CPU documentation claims that the TRNG output is very good so</span></div>
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> {</div>
|
||||||
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="comment">// this should only make the pool more and more random as time goes on.</span></div>
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="comment">// Generate random data from the current state and save</span></div>
|
||||||
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="comment">// However there is a risk that the CPU manufacturer was pressured by</span></div>
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="comment">// that as the seed. Then force a rekey.</span></div>
|
||||||
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="comment">// government or intelligence agencies to insert a back door that</span></div>
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  ++(block[12]);</div>
|
||||||
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="comment">// generates predictable output. Or the manufacturer was overly</span></div>
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <a class="code" href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a>(stream, block, RNG_ROUNDS);</div>
|
||||||
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="comment">// optimistic about their TRNG design and it is actually flawed in a</span></div>
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> <span class="preprocessor">#if defined(RNG_EEPROM)</span></div>
|
||||||
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="comment">// way they don't realise.</span></div>
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span> <span class="preprocessor"></span> eeprom_write_block(stream, (<span class="keywordtype">void</span> *)(address + 1), 48);</div>
|
||||||
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="comment">//</span></div>
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  eeprom_update_byte((uint8_t *)address, <span class="charliteral">'S'</span>);</div>
|
||||||
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="comment">// If you are concerned about such threats, then make sure to mix in</span></div>
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="preprocessor">#elif defined(RNG_DUE_TRNG)</span></div>
|
||||||
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="comment">// data from other noise sources. By hashing together the TRNG with</span></div>
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> posn;</div>
|
||||||
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="comment">// the other noise data, rand() should produce unpredictable data even</span></div>
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  ((uint32_t *)(RNG_SEED_ADDR))[0] = <span class="charliteral">'S'</span>;</div>
|
||||||
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="comment">// if one of the sources is actually predictable.</span></div>
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">for</span> (posn = 0; posn < 12; ++posn)</div>
|
||||||
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">if</span> ((REG_TRNG_ISR & TRNG_ISR_DATRDY) != 0) {</div>
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  ((uint32_t *)(RNG_SEED_ADDR))[posn + 1] = stream[posn];</div>
|
||||||
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  block[4 + trngPosn] ^= REG_TRNG_ODATA;</div>
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keywordflow">for</span> (posn = 13; posn < (RNG_FLASH_PAGE_SIZE / 4); ++posn)</div>
|
||||||
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keywordflow">if</span> (++trngPosn >= 12)</div>
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  ((uint32_t *)(RNG_SEED_ADDR))[posn + 13] = 0xFFFFFFFF;</div>
|
||||||
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  trngPosn = 0;</div>
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  eraseAndWriteSeed();</div>
|
||||||
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">if</span> (credits < RNG_MAX_CREDITS) {</div>
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span> <span class="preprocessor">#endif</span></div>
|
||||||
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="comment">// Credit 1 bit of entropy for the word. The TRNG should be</span></div>
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> <span class="preprocessor"></span> rekey();</div>
|
||||||
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="comment">// better than this but it is so fast that we want to collect</span></div>
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  timer = millis();</div>
|
||||||
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="comment">// up more data before passing it to the application.</span></div>
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> }</div>
|
||||||
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  ++credits;</div>
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span> </div>
|
||||||
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  }</div>
|
<div class="line"><a name="l00715"></a><span class="lineno"><a class="line" href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13"> 715</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13">RNGClass::loop</a>()</div>
|
||||||
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  }</div>
|
|
||||||
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> <span class="preprocessor">#endif</span></div>
|
|
||||||
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> <span class="preprocessor"></span></div>
|
|
||||||
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="comment">// Save the seed if the auto-save timer has expired.</span></div>
|
|
||||||
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">if</span> ((millis() - timer) >= timeout)</div>
|
|
||||||
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">save</a>();</div>
|
|
||||||
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span> }</div>
|
|
||||||
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span> </div>
|
|
||||||
<div class="line"><a name="l00698"></a><span class="lineno"><a class="line" href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00"> 698</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00">RNGClass::destroy</a>()</div>
|
|
||||||
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> {</div>
|
|
||||||
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  clean(block);</div>
|
|
||||||
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  clean(stream);</div>
|
|
||||||
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="preprocessor">#if defined(RNG_EEPROM)</span></div>
|
|
||||||
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> posn = 0; posn < <a class="code" href="classRNGClass.html#ae3a013bfc73795fd26ee36e70d89f4c2">SEED_SIZE</a>; ++posn)</div>
|
|
||||||
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  eeprom_write_byte((uint8_t *)(address + posn), 0xFF);</div>
|
|
||||||
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> <span class="preprocessor">#elif defined(RNG_DUE_TRNG)</span></div>
|
|
||||||
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> posn = 0; posn < (RNG_FLASH_PAGE_SIZE / 4); ++posn)</div>
|
|
||||||
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  ((uint32_t *)(RNG_SEED_ADDR))[posn] = 0xFFFFFFFF;</div>
|
|
||||||
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  eraseAndWriteSeed();</div>
|
|
||||||
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="preprocessor">#endif</span></div>
|
|
||||||
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> <span class="preprocessor"></span>}</div>
|
|
||||||
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> </div>
|
|
||||||
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> <span class="keywordtype">void</span> RNGClass::rekey()</div>
|
|
||||||
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> {</div>
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> {</div>
|
||||||
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="comment">// Rekey the cipher for the next request by generating a new block.</span></div>
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="comment">// Stir in the entropy from all registered noise sources.</span></div>
|
||||||
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="comment">// This is intended to make it difficult to wind the random number</span></div>
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">for</span> (uint8_t posn = 0; posn < count; ++posn)</div>
|
||||||
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="comment">// backwards if the state is captured later. The first 16 bytes of</span></div>
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  noiseSources[posn]-><a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">stir</a>();</div>
|
||||||
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="comment">// "block" remain set to "tagRNG".</span></div>
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> </div>
|
||||||
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  ++(block[12]);</div>
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> <span class="preprocessor">#if defined(RNG_DUE_TRNG)</span></div>
|
||||||
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <a class="code" href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a>(stream, block, RNG_ROUNDS);</div>
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> <span class="preprocessor"></span> <span class="comment">// If there is data available from the Arudino Due's TRNG, then XOR</span></div>
|
||||||
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  memcpy(block + 4, stream, 48);</div>
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="comment">// it with the state block and increase the entropy credit. We don't</span></div>
|
||||||
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> </div>
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="comment">// call stir() yet because that will seriously slow down the system</span></div>
|
||||||
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="comment">// Permute the high word of the counter using the system microsecond</span></div>
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="comment">// given how fast the TRNG is. Instead we save up the XOR'ed TRNG</span></div>
|
||||||
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="comment">// counter to introduce a little bit of non-stir randomness for each</span></div>
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="comment">// data until the next rand() call and then hash it to generate the</span></div>
|
||||||
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="comment">// request. Note: If random data is requested on a predictable schedule</span></div>
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="comment">// desired output.</span></div>
|
||||||
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="comment">// then this may not help very much. It is still necessary to stir in</span></div>
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="comment">//</span></div>
|
||||||
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="comment">// high quality entropy data on a regular basis using stir().</span></div>
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="comment">// The CPU documentation claims that the TRNG output is very good so</span></div>
|
||||||
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  block[13] ^= micros();</div>
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="comment">// this should only make the pool more and more random as time goes on.</span></div>
|
||||||
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> }</div>
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="comment">// However there is a risk that the CPU manufacturer was pressured by</span></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a139584fb249148e2058d1d645d090db7"><div class="ttname"><a href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">RNGClass::save</a></div><div class="ttdeci">void save()</div><div class="ttdoc">Saves the random seed to EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00607">RNG.cpp:607</a></div></div>
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="comment">// government or intelligence agencies to insert a back door that</span></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00428">RNG.cpp:428</a></div></div>
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="comment">// generates predictable output. Or the manufacturer was overly</span></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a7f1aab3c324f8e8a424d683425e0fcf8"><div class="ttname"><a href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8">RNGClass::begin</a></div><div class="ttdeci">void begin(const char *tag, int eepromAddress)</div><div class="ttdoc">Initializes the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00296">RNG.cpp:296</a></div></div>
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="comment">// optimistic about their TRNG design and it is actually flawed in a</span></div>
|
||||||
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="comment">// way they don't realise.</span></div>
|
||||||
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="comment">//</span></div>
|
||||||
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="comment">// If you are concerned about such threats, then make sure to mix in</span></div>
|
||||||
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="comment">// data from other noise sources. By hashing together the TRNG with</span></div>
|
||||||
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="comment">// the other noise data, rand() should produce unpredictable data even</span></div>
|
||||||
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  <span class="comment">// if one of the sources is actually predictable.</span></div>
|
||||||
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">if</span> ((REG_TRNG_ISR & TRNG_ISR_DATRDY) != 0) {</div>
|
||||||
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  block[4 + trngPosn] ^= REG_TRNG_ODATA;</div>
|
||||||
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keywordflow">if</span> (++trngPosn >= 12)</div>
|
||||||
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  trngPosn = 0;</div>
|
||||||
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keywordflow">if</span> (credits < RNG_MAX_CREDITS) {</div>
|
||||||
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="comment">// Credit 1 bit of entropy for the word. The TRNG should be</span></div>
|
||||||
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="comment">// better than this but it is so fast that we want to collect</span></div>
|
||||||
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="comment">// up more data before passing it to the application.</span></div>
|
||||||
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  ++credits;</div>
|
||||||
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  }</div>
|
||||||
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  }</div>
|
||||||
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> <span class="preprocessor">#elif defined(RNG_WATCHDOG)</span></div>
|
||||||
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> <span class="preprocessor"></span> <span class="comment">// Read the 32 bit buffer from the WDT interrupt.</span></div>
|
||||||
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  cli();</div>
|
||||||
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordflow">if</span> (outBits >= 32) {</div>
|
||||||
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  uint32_t value = hash;</div>
|
||||||
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  hash = 0;</div>
|
||||||
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  outBits = 0;</div>
|
||||||
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  sei();</div>
|
||||||
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span> </div>
|
||||||
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="comment">// Final steps of the Jenkin's one-at-a-time hash function.</span></div>
|
||||||
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="comment">// https://en.wikipedia.org/wiki/Jenkins_hash_function</span></div>
|
||||||
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  value += leftShift3(value);</div>
|
||||||
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  value ^= rightShift11(value);</div>
|
||||||
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  value += leftShift15(value);</div>
|
||||||
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span> </div>
|
||||||
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="comment">// XOR the word with the state. Stir once we accumulate 48 bytes,</span></div>
|
||||||
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="comment">// which happens about once every 6.4 seconds.</span></div>
|
||||||
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  block[4 + trngPosn] ^= value;</div>
|
||||||
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  <span class="keywordflow">if</span> (++trngPosn >= 12) {</div>
|
||||||
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  trngPosn = 0;</div>
|
||||||
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span> </div>
|
||||||
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="comment">// Credit 1 bit of entropy for each byte of input. It can take</span></div>
|
||||||
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  <span class="comment">// between 30 and 40 seconds to accumulate 256 bits of credit.</span></div>
|
||||||
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <a class="code" href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">stir</a>(0, 0, 48);</div>
|
||||||
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  }</div>
|
||||||
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  } <span class="keywordflow">else</span> {</div>
|
||||||
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  sei();</div>
|
||||||
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  }</div>
|
||||||
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> <span class="preprocessor">#endif</span></div>
|
||||||
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> <span class="preprocessor"></span></div>
|
||||||
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="comment">// Save the seed if the auto-save timer has expired.</span></div>
|
||||||
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <span class="keywordflow">if</span> ((millis() - timer) >= timeout)</div>
|
||||||
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <a class="code" href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">save</a>();</div>
|
||||||
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> }</div>
|
||||||
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> </div>
|
||||||
|
<div class="line"><a name="l00806"></a><span class="lineno"><a class="line" href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00"> 806</a></span> <span class="keywordtype">void</span> <a class="code" href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00">RNGClass::destroy</a>()</div>
|
||||||
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> {</div>
|
||||||
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  clean(block);</div>
|
||||||
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  clean(stream);</div>
|
||||||
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> <span class="preprocessor">#if defined(RNG_EEPROM)</span></div>
|
||||||
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> posn = 0; posn < <a class="code" href="classRNGClass.html#ae3a013bfc73795fd26ee36e70d89f4c2">SEED_SIZE</a>; ++posn)</div>
|
||||||
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  eeprom_write_byte((uint8_t *)(address + posn), 0xFF);</div>
|
||||||
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> <span class="preprocessor">#elif defined(RNG_DUE_TRNG)</span></div>
|
||||||
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> posn = 0; posn < (RNG_FLASH_PAGE_SIZE / 4); ++posn)</div>
|
||||||
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  ((uint32_t *)(RNG_SEED_ADDR))[posn] = 0xFFFFFFFF;</div>
|
||||||
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  eraseAndWriteSeed();</div>
|
||||||
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> <span class="preprocessor">#endif</span></div>
|
||||||
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> <span class="preprocessor"></span>}</div>
|
||||||
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span> </div>
|
||||||
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> <span class="keywordtype">void</span> RNGClass::rekey()</div>
|
||||||
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> {</div>
|
||||||
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="comment">// Rekey the cipher for the next request by generating a new block.</span></div>
|
||||||
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="comment">// This is intended to make it difficult to wind the random number</span></div>
|
||||||
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="comment">// backwards if the state is captured later. The first 16 bytes of</span></div>
|
||||||
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="comment">// "block" remain set to "tagRNG".</span></div>
|
||||||
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  ++(block[12]);</div>
|
||||||
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <a class="code" href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a>(stream, block, RNG_ROUNDS);</div>
|
||||||
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  memcpy(block + 4, stream, 48);</div>
|
||||||
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> </div>
|
||||||
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="comment">// Permute the high word of the counter using the system microsecond</span></div>
|
||||||
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="comment">// counter to introduce a little bit of non-stir randomness for each</span></div>
|
||||||
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <span class="comment">// request. Note: If random data is requested on a predictable schedule</span></div>
|
||||||
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="comment">// then this may not help very much. It is still necessary to stir in</span></div>
|
||||||
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="comment">// high quality entropy data on a regular basis using stir().</span></div>
|
||||||
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  block[13] ^= micros();</div>
|
||||||
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span> }</div>
|
||||||
|
<div class="ttc" id="classRNGClass_html_a139584fb249148e2058d1d645d090db7"><div class="ttname"><a href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">RNGClass::save</a></div><div class="ttdeci">void save()</div><div class="ttdoc">Saves the random seed to EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00687">RNG.cpp:687</a></div></div>
|
||||||
|
<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00508">RNG.cpp:508</a></div></div>
|
||||||
|
<div class="ttc" id="classRNGClass_html_a7f1aab3c324f8e8a424d683425e0fcf8"><div class="ttname"><a href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8">RNGClass::begin</a></div><div class="ttdeci">void begin(const char *tag, int eepromAddress)</div><div class="ttdoc">Initializes the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00359">RNG.cpp:359</a></div></div>
|
||||||
<div class="ttc" id="classNoiseSource_html"><div class="ttname"><a href="classNoiseSource.html">NoiseSource</a></div><div class="ttdoc">Abstract base class for random noise sources. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8h_source.html#l00029">NoiseSource.h:29</a></div></div>
|
<div class="ttc" id="classNoiseSource_html"><div class="ttname"><a href="classNoiseSource.html">NoiseSource</a></div><div class="ttdoc">Abstract base class for random noise sources. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8h_source.html#l00029">NoiseSource.h:29</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_aef3ee2fb14a39caf650dc90a0226dd31"><div class="ttname"><a href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31">RNGClass::~RNGClass</a></div><div class="ttdeci">~RNGClass()</div><div class="ttdoc">Destroys this random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00196">RNG.cpp:196</a></div></div>
|
<div class="ttc" id="classRNGClass_html_aef3ee2fb14a39caf650dc90a0226dd31"><div class="ttname"><a href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31">RNGClass::~RNGClass</a></div><div class="ttdeci">~RNGClass()</div><div class="ttdoc">Destroys this random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00244">RNG.cpp:244</a></div></div>
|
||||||
<div class="ttc" id="classNoiseSource_html_a48d0efabd71ff6e557a0898be79c49ba"><div class="ttname"><a href="classNoiseSource.html#a48d0efabd71ff6e557a0898be79c49ba">NoiseSource::added</a></div><div class="ttdeci">virtual void added()</div><div class="ttdoc">Called when the noise source is added to RNG with RNG.addNoiseSource(). </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00095">NoiseSource.cpp:95</a></div></div>
|
<div class="ttc" id="classNoiseSource_html_a48d0efabd71ff6e557a0898be79c49ba"><div class="ttname"><a href="classNoiseSource.html#a48d0efabd71ff6e557a0898be79c49ba">NoiseSource::added</a></div><div class="ttdeci">virtual void added()</div><div class="ttdoc">Called when the noise source is added to RNG with RNG.addNoiseSource(). </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8cpp_source.html#l00095">NoiseSource.cpp:95</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_aacf23b192b0e4cc8726d9abe05f5a9db"><div class="ttname"><a href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db">RNGClass::addNoiseSource</a></div><div class="ttdeci">void addNoiseSource(NoiseSource &source)</div><div class="ttdoc">Adds a noise source to the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00379">RNG.cpp:379</a></div></div>
|
<div class="ttc" id="classRNGClass_html_aacf23b192b0e4cc8726d9abe05f5a9db"><div class="ttname"><a href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db">RNGClass::addNoiseSource</a></div><div class="ttdeci">void addNoiseSource(NoiseSource &source)</div><div class="ttdoc">Adds a noise source to the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00459">RNG.cpp:459</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_acbcf327242f51ae2d9209aeaa45e30e9"><div class="ttname"><a href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9">RNGClass::RNGClass</a></div><div class="ttdeci">RNGClass()</div><div class="ttdoc">Constructs a new random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00182">RNG.cpp:182</a></div></div>
|
<div class="ttc" id="classRNGClass_html_acbcf327242f51ae2d9209aeaa45e30e9"><div class="ttname"><a href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9">RNGClass::RNGClass</a></div><div class="ttdeci">RNGClass()</div><div class="ttdoc">Constructs a new random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00230">RNG.cpp:230</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a9901367d86f2303a59bbc12fe91cad00"><div class="ttname"><a href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00">RNGClass::destroy</a></div><div class="ttdeci">void destroy()</div><div class="ttdoc">Destroys the data in the random number pool and the saved seed in EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00698">RNG.cpp:698</a></div></div>
|
<div class="ttc" id="classRNGClass_html_a9901367d86f2303a59bbc12fe91cad00"><div class="ttname"><a href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00">RNGClass::destroy</a></div><div class="ttdeci">void destroy()</div><div class="ttdoc">Destroys the data in the random number pool and the saved seed in EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00806">RNG.cpp:806</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a49e3231ba65a5e4b045bc90976e0a659"><div class="ttname"><a href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659">RNGClass::available</a></div><div class="ttdeci">bool available(size_t len) const </div><div class="ttdoc">Determine if there is sufficient entropy available for a specific request size. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00505">RNG.cpp:505</a></div></div>
|
<div class="ttc" id="classRNGClass_html_a49e3231ba65a5e4b045bc90976e0a659"><div class="ttname"><a href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659">RNGClass::available</a></div><div class="ttdeci">bool available(size_t len) const </div><div class="ttdoc">Determine if there is sufficient entropy available for a specific request size. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00585">RNG.cpp:585</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a8cb91e39f0c4591de5bf98b1e2880b13"><div class="ttname"><a href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13">RNGClass::loop</a></div><div class="ttdeci">void loop()</div><div class="ttdoc">Run periodic housekeeping tasks on the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00635">RNG.cpp:635</a></div></div>
|
<div class="ttc" id="classRNGClass_html_a8cb91e39f0c4591de5bf98b1e2880b13"><div class="ttname"><a href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13">RNGClass::loop</a></div><div class="ttdeci">void loop()</div><div class="ttdoc">Run periodic housekeeping tasks on the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00715">RNG.cpp:715</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html"><div class="ttname"><a href="classRNGClass.html">RNGClass</a></div><div class="ttdoc">Pseudo random number generator suitable for cryptography. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00031">RNG.h:31</a></div></div>
|
<div class="ttc" id="classRNGClass_html"><div class="ttname"><a href="classRNGClass.html">RNGClass</a></div><div class="ttdoc">Pseudo random number generator suitable for cryptography. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00031">RNG.h:31</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_ae3a013bfc73795fd26ee36e70d89f4c2"><div class="ttname"><a href="classRNGClass.html#ae3a013bfc73795fd26ee36e70d89f4c2">RNGClass::SEED_SIZE</a></div><div class="ttdeci">static const int SEED_SIZE</div><div class="ttdoc">Size of a saved random number seed in EEPROM space. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00053">RNG.h:53</a></div></div>
|
<div class="ttc" id="classRNGClass_html_ae3a013bfc73795fd26ee36e70d89f4c2"><div class="ttname"><a href="classRNGClass.html#ae3a013bfc73795fd26ee36e70d89f4c2">RNGClass::SEED_SIZE</a></div><div class="ttdeci">static const int SEED_SIZE</div><div class="ttdoc">Size of a saved random number seed in EEPROM space. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00053">RNG.h:53</a></div></div>
|
||||||
<div class="ttc" id="classChaCha_html_a41ac3262e52ff49dcd916d0b3b2e2038"><div class="ttname"><a href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a></div><div class="ttdeci">static void hashCore(uint32_t *output, const uint32_t *input, uint8_t rounds)</div><div class="ttdoc">Executes the ChaCha hash core on an input memory block. </div><div class="ttdef"><b>Definition:</b> <a href="ChaCha_8cpp_source.html#l00253">ChaCha.cpp:253</a></div></div>
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<div class="ttc" id="classChaCha_html_a41ac3262e52ff49dcd916d0b3b2e2038"><div class="ttname"><a href="classChaCha.html#a41ac3262e52ff49dcd916d0b3b2e2038">ChaCha::hashCore</a></div><div class="ttdeci">static void hashCore(uint32_t *output, const uint32_t *input, uint8_t rounds)</div><div class="ttdoc">Executes the ChaCha hash core on an input memory block. </div><div class="ttdef"><b>Definition:</b> <a href="ChaCha_8cpp_source.html#l00253">ChaCha.cpp:253</a></div></div>
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||||||
<div class="ttc" id="classRNGClass_html_ad99535ea23ae2fec55bdebb8c24def02"><div class="ttname"><a href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a></div><div class="ttdeci">void stir(const uint8_t *data, size_t len, unsigned int credit=0)</div><div class="ttdoc">Stirs additional entropy data into the random pool. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00538">RNG.cpp:538</a></div></div>
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<div class="ttc" id="classRNGClass_html_ad99535ea23ae2fec55bdebb8c24def02"><div class="ttname"><a href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a></div><div class="ttdeci">void stir(const uint8_t *data, size_t len, unsigned int credit=0)</div><div class="ttdoc">Stirs additional entropy data into the random pool. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00618">RNG.cpp:618</a></div></div>
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||||||
<div class="ttc" id="classRNGClass_html_a5848e87a5f2f0302c88b0377f0e3366d"><div class="ttname"><a href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d">RNGClass::setAutoSaveTime</a></div><div class="ttdeci">void setAutoSaveTime(uint16_t minutes)</div><div class="ttdoc">Sets the amount of time between automatic seed saves. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00404">RNG.cpp:404</a></div></div>
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<div class="ttc" id="classRNGClass_html_a5848e87a5f2f0302c88b0377f0e3366d"><div class="ttname"><a href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d">RNGClass::setAutoSaveTime</a></div><div class="ttdeci">void setAutoSaveTime(uint16_t minutes)</div><div class="ttdoc">Sets the amount of time between automatic seed saves. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00484">RNG.cpp:484</a></div></div>
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</a> 1.8.6
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">extern</span> <a class="code" href="classRNGClass.html">RNGClass</a> RNG;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">extern</span> <a class="code" href="classRNGClass.html">RNGClass</a> RNG;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="classRNGClass_html_a139584fb249148e2058d1d645d090db7"><div class="ttname"><a href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">RNGClass::save</a></div><div class="ttdeci">void save()</div><div class="ttdoc">Saves the random seed to EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00607">RNG.cpp:607</a></div></div>
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<div class="ttc" id="classRNGClass_html_a139584fb249148e2058d1d645d090db7"><div class="ttname"><a href="classRNGClass.html#a139584fb249148e2058d1d645d090db7">RNGClass::save</a></div><div class="ttdeci">void save()</div><div class="ttdoc">Saves the random seed to EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00687">RNG.cpp:687</a></div></div>
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<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00428">RNG.cpp:428</a></div></div>
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<div class="ttc" id="classRNGClass_html_a418a833cf18198fd7e5d6dbd78c99c29"><div class="ttname"><a href="classRNGClass.html#a418a833cf18198fd7e5d6dbd78c99c29">RNGClass::rand</a></div><div class="ttdeci">void rand(uint8_t *data, size_t len)</div><div class="ttdoc">Generates random bytes into a caller-supplied buffer. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00508">RNG.cpp:508</a></div></div>
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||||||
<div class="ttc" id="classRNGClass_html_a7f1aab3c324f8e8a424d683425e0fcf8"><div class="ttname"><a href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8">RNGClass::begin</a></div><div class="ttdeci">void begin(const char *tag, int eepromAddress)</div><div class="ttdoc">Initializes the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00296">RNG.cpp:296</a></div></div>
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<div class="ttc" id="classRNGClass_html_a7f1aab3c324f8e8a424d683425e0fcf8"><div class="ttname"><a href="classRNGClass.html#a7f1aab3c324f8e8a424d683425e0fcf8">RNGClass::begin</a></div><div class="ttdeci">void begin(const char *tag, int eepromAddress)</div><div class="ttdoc">Initializes the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00359">RNG.cpp:359</a></div></div>
|
||||||
<div class="ttc" id="classNoiseSource_html"><div class="ttname"><a href="classNoiseSource.html">NoiseSource</a></div><div class="ttdoc">Abstract base class for random noise sources. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8h_source.html#l00029">NoiseSource.h:29</a></div></div>
|
<div class="ttc" id="classNoiseSource_html"><div class="ttname"><a href="classNoiseSource.html">NoiseSource</a></div><div class="ttdoc">Abstract base class for random noise sources. </div><div class="ttdef"><b>Definition:</b> <a href="NoiseSource_8h_source.html#l00029">NoiseSource.h:29</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_aef3ee2fb14a39caf650dc90a0226dd31"><div class="ttname"><a href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31">RNGClass::~RNGClass</a></div><div class="ttdeci">~RNGClass()</div><div class="ttdoc">Destroys this random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00196">RNG.cpp:196</a></div></div>
|
<div class="ttc" id="classRNGClass_html_aef3ee2fb14a39caf650dc90a0226dd31"><div class="ttname"><a href="classRNGClass.html#aef3ee2fb14a39caf650dc90a0226dd31">RNGClass::~RNGClass</a></div><div class="ttdeci">~RNGClass()</div><div class="ttdoc">Destroys this random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00244">RNG.cpp:244</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_aacf23b192b0e4cc8726d9abe05f5a9db"><div class="ttname"><a href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db">RNGClass::addNoiseSource</a></div><div class="ttdeci">void addNoiseSource(NoiseSource &source)</div><div class="ttdoc">Adds a noise source to the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00379">RNG.cpp:379</a></div></div>
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<div class="ttc" id="classRNGClass_html_aacf23b192b0e4cc8726d9abe05f5a9db"><div class="ttname"><a href="classRNGClass.html#aacf23b192b0e4cc8726d9abe05f5a9db">RNGClass::addNoiseSource</a></div><div class="ttdeci">void addNoiseSource(NoiseSource &source)</div><div class="ttdoc">Adds a noise source to the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00459">RNG.cpp:459</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_acbcf327242f51ae2d9209aeaa45e30e9"><div class="ttname"><a href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9">RNGClass::RNGClass</a></div><div class="ttdeci">RNGClass()</div><div class="ttdoc">Constructs a new random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00182">RNG.cpp:182</a></div></div>
|
<div class="ttc" id="classRNGClass_html_acbcf327242f51ae2d9209aeaa45e30e9"><div class="ttname"><a href="classRNGClass.html#acbcf327242f51ae2d9209aeaa45e30e9">RNGClass::RNGClass</a></div><div class="ttdeci">RNGClass()</div><div class="ttdoc">Constructs a new random number generator instance. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00230">RNG.cpp:230</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a9901367d86f2303a59bbc12fe91cad00"><div class="ttname"><a href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00">RNGClass::destroy</a></div><div class="ttdeci">void destroy()</div><div class="ttdoc">Destroys the data in the random number pool and the saved seed in EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00698">RNG.cpp:698</a></div></div>
|
<div class="ttc" id="classRNGClass_html_a9901367d86f2303a59bbc12fe91cad00"><div class="ttname"><a href="classRNGClass.html#a9901367d86f2303a59bbc12fe91cad00">RNGClass::destroy</a></div><div class="ttdeci">void destroy()</div><div class="ttdoc">Destroys the data in the random number pool and the saved seed in EEPROM. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00806">RNG.cpp:806</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a49e3231ba65a5e4b045bc90976e0a659"><div class="ttname"><a href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659">RNGClass::available</a></div><div class="ttdeci">bool available(size_t len) const </div><div class="ttdoc">Determine if there is sufficient entropy available for a specific request size. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00505">RNG.cpp:505</a></div></div>
|
<div class="ttc" id="classRNGClass_html_a49e3231ba65a5e4b045bc90976e0a659"><div class="ttname"><a href="classRNGClass.html#a49e3231ba65a5e4b045bc90976e0a659">RNGClass::available</a></div><div class="ttdeci">bool available(size_t len) const </div><div class="ttdoc">Determine if there is sufficient entropy available for a specific request size. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00585">RNG.cpp:585</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html_a8cb91e39f0c4591de5bf98b1e2880b13"><div class="ttname"><a href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13">RNGClass::loop</a></div><div class="ttdeci">void loop()</div><div class="ttdoc">Run periodic housekeeping tasks on the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00635">RNG.cpp:635</a></div></div>
|
<div class="ttc" id="classRNGClass_html_a8cb91e39f0c4591de5bf98b1e2880b13"><div class="ttname"><a href="classRNGClass.html#a8cb91e39f0c4591de5bf98b1e2880b13">RNGClass::loop</a></div><div class="ttdeci">void loop()</div><div class="ttdoc">Run periodic housekeeping tasks on the random number generator. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00715">RNG.cpp:715</a></div></div>
|
||||||
<div class="ttc" id="classRNGClass_html"><div class="ttname"><a href="classRNGClass.html">RNGClass</a></div><div class="ttdoc">Pseudo random number generator suitable for cryptography. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00031">RNG.h:31</a></div></div>
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<div class="ttc" id="classRNGClass_html"><div class="ttname"><a href="classRNGClass.html">RNGClass</a></div><div class="ttdoc">Pseudo random number generator suitable for cryptography. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00031">RNG.h:31</a></div></div>
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||||||
<div class="ttc" id="classRNGClass_html_ae3a013bfc73795fd26ee36e70d89f4c2"><div class="ttname"><a href="classRNGClass.html#ae3a013bfc73795fd26ee36e70d89f4c2">RNGClass::SEED_SIZE</a></div><div class="ttdeci">static const int SEED_SIZE</div><div class="ttdoc">Size of a saved random number seed in EEPROM space. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00053">RNG.h:53</a></div></div>
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<div class="ttc" id="classRNGClass_html_ae3a013bfc73795fd26ee36e70d89f4c2"><div class="ttname"><a href="classRNGClass.html#ae3a013bfc73795fd26ee36e70d89f4c2">RNGClass::SEED_SIZE</a></div><div class="ttdeci">static const int SEED_SIZE</div><div class="ttdoc">Size of a saved random number seed in EEPROM space. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8h_source.html#l00053">RNG.h:53</a></div></div>
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||||||
<div class="ttc" id="classRNGClass_html_ad99535ea23ae2fec55bdebb8c24def02"><div class="ttname"><a href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a></div><div class="ttdeci">void stir(const uint8_t *data, size_t len, unsigned int credit=0)</div><div class="ttdoc">Stirs additional entropy data into the random pool. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00538">RNG.cpp:538</a></div></div>
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<div class="ttc" id="classRNGClass_html_ad99535ea23ae2fec55bdebb8c24def02"><div class="ttname"><a href="classRNGClass.html#ad99535ea23ae2fec55bdebb8c24def02">RNGClass::stir</a></div><div class="ttdeci">void stir(const uint8_t *data, size_t len, unsigned int credit=0)</div><div class="ttdoc">Stirs additional entropy data into the random pool. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00618">RNG.cpp:618</a></div></div>
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||||||
<div class="ttc" id="classRNGClass_html_a5848e87a5f2f0302c88b0377f0e3366d"><div class="ttname"><a href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d">RNGClass::setAutoSaveTime</a></div><div class="ttdeci">void setAutoSaveTime(uint16_t minutes)</div><div class="ttdoc">Sets the amount of time between automatic seed saves. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00404">RNG.cpp:404</a></div></div>
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<div class="ttc" id="classRNGClass_html_a5848e87a5f2f0302c88b0377f0e3366d"><div class="ttname"><a href="classRNGClass.html#a5848e87a5f2f0302c88b0377f0e3366d">RNGClass::setAutoSaveTime</a></div><div class="ttdeci">void setAutoSaveTime(uint16_t minutes)</div><div class="ttdoc">Sets the amount of time between automatic seed saves. </div><div class="ttdef"><b>Definition:</b> <a href="RNG_8cpp_source.html#l00484">RNG.cpp:484</a></div></div>
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</a> 1.8.6
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<li class="navelem"><a class="el" href="dir_bc0718b08fb2015b8e59c47b2805f60c.html">libraries</a></li><li class="navelem"><a class="el" href="dir_e2ce51835550ba18edf07a8311722290.html">Crypto</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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||||||
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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|
||||||
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
|
|
||||||
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
|
|
||||||
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
|
|
||||||
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
|
|
||||||
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
|
|
||||||
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
|
|
||||||
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
|
|
||||||
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
|
|
||||||
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
|
|
||||||
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
|
|
||||||
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
|
|
||||||
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
|
|
||||||
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
|
|
||||||
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
|
|
||||||
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
|
|
||||||
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
|
|
||||||
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
|
|
||||||
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
|
|
||||||
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "SHA1.h"</span></div>
|
|
||||||
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "Crypto.h"</span></div>
|
|
||||||
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "utility/RotateUtil.h"</span></div>
|
|
||||||
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "utility/EndianUtil.h"</span></div>
|
|
||||||
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <string.h></span></div>
|
|
||||||
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
|
|
||||||
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classSHA1.html#ad49a5108ffd6996b1133bf41224ff726"> 41</a></span> <a class="code" href="classSHA1.html#ad49a5108ffd6996b1133bf41224ff726">SHA1::SHA1</a>()</div>
|
|
||||||
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
|
|
||||||
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">reset</a>();</div>
|
|
||||||
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div>
|
|
||||||
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
|
|
||||||
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classSHA1.html#a8485d7c14fa29286cd3c7acfe438606d"> 49</a></span> <a class="code" href="classSHA1.html#a8485d7c14fa29286cd3c7acfe438606d">SHA1::~SHA1</a>()</div>
|
|
||||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> {</div>
|
|
||||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  clean(state);</div>
|
|
||||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> }</div>
|
|
||||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
|
|
||||||
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classSHA1.html#ab8cdb7233a8b81be07877049960ddfdd"> 54</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classSHA1.html#ab8cdb7233a8b81be07877049960ddfdd">SHA1::hashSize</a>()<span class="keyword"> const</span></div>
|
|
||||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword"></span>{</div>
|
|
||||||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> 20;</div>
|
|
||||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div>
|
|
||||||
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
|
|
||||||
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classSHA1.html#a816e3fd1a02cf1ecc67866cd8c7c309a"> 59</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classSHA1.html#a816e3fd1a02cf1ecc67866cd8c7c309a">SHA1::blockSize</a>()<span class="keyword"> const</span></div>
|
|
||||||
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword"></span>{</div>
|
|
||||||
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> 64;</div>
|
|
||||||
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div>
|
|
||||||
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
|
|
||||||
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f"> 64</a></span> <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">SHA1::reset</a>()</div>
|
|
||||||
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div>
|
|
||||||
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  state.h[0] = 0x67452301;</div>
|
|
||||||
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  state.h[1] = 0xEFCDAB89;</div>
|
|
||||||
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  state.h[2] = 0x98BADCFE;</div>
|
|
||||||
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  state.h[3] = 0x10325476;</div>
|
|
||||||
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  state.h[4] = 0xC3D2E1F0;</div>
|
|
||||||
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  state.chunkSize = 0;</div>
|
|
||||||
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  state.length = 0;</div>
|
|
||||||
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
|
|
||||||
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
|
|
||||||
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a"> 75</a></span> <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">SHA1::update</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</div>
|
|
||||||
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {</div>
|
|
||||||
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// Update the total length (in bits, not bytes).</span></div>
|
|
||||||
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  state.length += ((uint64_t)len) << 3;</div>
|
|
||||||
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
|
|
||||||
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// Break the input up into 512-bit chunks and process each in turn.</span></div>
|
|
||||||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> uint8_t *d = (<span class="keyword">const</span> uint8_t *)data;</div>
|
|
||||||
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
|
||||||
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  uint8_t size = 64 - state.chunkSize;</div>
|
|
||||||
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (size > len)</div>
|
|
||||||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  size = len;</div>
|
|
||||||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  memcpy(((uint8_t *)state.w) + state.chunkSize, d, size);</div>
|
|
||||||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  state.chunkSize += size;</div>
|
|
||||||
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  len -= size;</div>
|
|
||||||
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  d += size;</div>
|
|
||||||
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (state.chunkSize == 64) {</div>
|
|
||||||
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  processChunk();</div>
|
|
||||||
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  state.chunkSize = 0;</div>
|
|
||||||
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
|
|
||||||
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
|
|
||||||
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div>
|
|
||||||
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
|
|
||||||
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c"> 97</a></span> <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">SHA1::finalize</a>(<span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> len)</div>
|
|
||||||
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div>
|
|
||||||
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// Pad the last chunk. We may need two padding chunks if there</span></div>
|
|
||||||
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// isn't enough room in the first for the padding and length.</span></div>
|
|
||||||
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  uint8_t *wbytes = (uint8_t *)state.w;</div>
|
|
||||||
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  if (state.chunkSize <= (64 - 9)) {</div>
|
|
||||||
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  wbytes[state.chunkSize] = 0x80;</div>
|
|
||||||
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  memset(wbytes + state.chunkSize + 1, 0x00, 64 - 8 - (state.chunkSize + 1));</div>
|
|
||||||
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  state.w[14] = htobe32((uint32_t)(state.length >> 32));</div>
|
|
||||||
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  state.w[15] = htobe32((uint32_t)state.length);</div>
|
|
||||||
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  processChunk();</div>
|
|
||||||
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  } <span class="keywordflow">else</span> {</div>
|
|
||||||
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  wbytes[state.chunkSize] = 0x80;</div>
|
|
||||||
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  memset(wbytes + state.chunkSize + 1, 0x00, 64 - (state.chunkSize + 1));</div>
|
|
||||||
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  processChunk();</div>
|
|
||||||
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  memset(wbytes, 0x00, 64 - 8);</div>
|
|
||||||
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  state.w[14] = htobe32((uint32_t)(state.length >> 32));</div>
|
|
||||||
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  state.w[15] = htobe32((uint32_t)state.length);</div>
|
|
||||||
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  processChunk();</div>
|
|
||||||
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
|
|
||||||
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
|
|
||||||
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// Convert the result into big endian and return it.</span></div>
|
|
||||||
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">for</span> (uint8_t posn = 0; posn < 5; ++posn)</div>
|
|
||||||
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  state.w[posn] = htobe32(state.h[posn]);</div>
|
|
||||||
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
|
|
||||||
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Copy the hash to the caller's return buffer.</span></div>
|
|
||||||
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (len > 20)</div>
|
|
||||||
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  len = 20;</div>
|
|
||||||
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  memcpy(hash, state.w, len);</div>
|
|
||||||
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</div>
|
|
||||||
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
|
|
||||||
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f"> 128</a></span> <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">SHA1::clear</a>()</div>
|
|
||||||
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> {</div>
|
|
||||||
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  clean(state);</div>
|
|
||||||
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">reset</a>();</div>
|
|
||||||
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div>
|
|
||||||
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
|
|
||||||
<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classSHA1.html#ad0a09a5100d59ff90c04ed5d4071b606"> 134</a></span> <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#ad0a09a5100d59ff90c04ed5d4071b606">SHA1::resetHMAC</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *key, <span class="keywordtype">size_t</span> keyLen)</div>
|
|
||||||
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div>
|
|
||||||
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="classHash.html#ab6f40c9af91dc3d738d9fcce59af63cc">formatHMACKey</a>(state.w, key, keyLen, 0x36);</div>
|
|
||||||
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  state.length += 64 * 8;</div>
|
|
||||||
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  processChunk();</div>
|
|
||||||
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
|
|
||||||
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
|
|
||||||
<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classSHA1.html#a791db53fe9d6cc0e383b25f1da0a97b8"> 141</a></span> <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a791db53fe9d6cc0e383b25f1da0a97b8">SHA1::finalizeHMAC</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *key, <span class="keywordtype">size_t</span> keyLen, <span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> hashLen)</div>
|
|
||||||
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> {</div>
|
|
||||||
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  uint8_t temp[20];</div>
|
|
||||||
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">finalize</a>(temp, <span class="keyword">sizeof</span>(temp));</div>
|
|
||||||
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="classHash.html#ab6f40c9af91dc3d738d9fcce59af63cc">formatHMACKey</a>(state.w, key, keyLen, 0x5C);</div>
|
|
||||||
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  state.length += 64 * 8;</div>
|
|
||||||
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  processChunk();</div>
|
|
||||||
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">update</a>(temp, <span class="keyword">sizeof</span>(temp));</div>
|
|
||||||
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">finalize</a>(hash, hashLen);</div>
|
|
||||||
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  clean(temp);</div>
|
|
||||||
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div>
|
|
||||||
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
|
|
||||||
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keywordtype">void</span> SHA1::processChunk()</div>
|
|
||||||
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> {</div>
|
|
||||||
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  uint8_t index;</div>
|
|
||||||
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
|
|
||||||
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// Convert the first 16 words from big endian to host byte order.</span></div>
|
|
||||||
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">for</span> (index = 0; index < 16; ++index)</div>
|
|
||||||
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  state.w[index] = be32toh(state.w[index]);</div>
|
|
||||||
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
|
|
||||||
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Initialize the hash value for this chunk.</span></div>
|
|
||||||
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  uint32_t a = state.h[0];</div>
|
|
||||||
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  uint32_t b = state.h[1];</div>
|
|
||||||
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  uint32_t c = state.h[2];</div>
|
|
||||||
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  uint32_t d = state.h[3];</div>
|
|
||||||
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  uint32_t e = state.h[4];</div>
|
|
||||||
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div>
|
|
||||||
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// Perform the first 16 rounds of the compression function main loop.</span></div>
|
|
||||||
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  uint32_t temp;</div>
|
|
||||||
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">for</span> (index = 0; index < 16; ++index) {</div>
|
|
||||||
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  temp = leftRotate5(a) + ((b & c) | ((~b) & d)) + e + 0x5A827999 + state.w[index];</div>
|
|
||||||
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  e = d;</div>
|
|
||||||
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  d = c;</div>
|
|
||||||
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  c = leftRotate30(b);</div>
|
|
||||||
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  b = a;</div>
|
|
||||||
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  a = temp;</div>
|
|
||||||
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
|
|
||||||
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
|
|
||||||
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// Perform the 64 remaining rounds. We expand the first 16 words to</span></div>
|
|
||||||
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// 80 in-place in the "w" array. This saves 256 bytes of memory</span></div>
|
|
||||||
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// that would have otherwise need to be allocated to the "w" array.</span></div>
|
|
||||||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">for</span> (; index < 20; ++index) {</div>
|
|
||||||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  temp = state.w[index & 0x0F] = leftRotate1</div>
|
|
||||||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  (state.w[(index - 3) & 0x0F] ^ state.w[(index - 8) & 0x0F] ^</div>
|
|
||||||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  state.w[(index - 14) & 0x0F] ^ state.w[(index - 16) & 0x0F]);</div>
|
|
||||||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  temp = leftRotate5(a) + ((b & c) | ((~b) & d)) + e + 0x5A827999 + temp;</div>
|
|
||||||
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  e = d;</div>
|
|
||||||
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  d = c;</div>
|
|
||||||
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  c = leftRotate30(b);</div>
|
|
||||||
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  b = a;</div>
|
|
||||||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  a = temp;</div>
|
|
||||||
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
|
|
||||||
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">for</span> (; index < 40; ++index) {</div>
|
|
||||||
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  temp = state.w[index & 0x0F] = leftRotate1</div>
|
|
||||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  (state.w[(index - 3) & 0x0F] ^ state.w[(index - 8) & 0x0F] ^</div>
|
|
||||||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  state.w[(index - 14) & 0x0F] ^ state.w[(index - 16) & 0x0F]);</div>
|
|
||||||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  temp = leftRotate5(a) + (b ^ c ^ d) + e + 0x6ED9EBA1 + temp;</div>
|
|
||||||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  e = d;</div>
|
|
||||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  d = c;</div>
|
|
||||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  c = leftRotate30(b);</div>
|
|
||||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  b = a;</div>
|
|
||||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  a = temp;</div>
|
|
||||||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
|
|
||||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">for</span> (; index < 60; ++index) {</div>
|
|
||||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  temp = state.w[index & 0x0F] = leftRotate1</div>
|
|
||||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  (state.w[(index - 3) & 0x0F] ^ state.w[(index - 8) & 0x0F] ^</div>
|
|
||||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  state.w[(index - 14) & 0x0F] ^ state.w[(index - 16) & 0x0F]);</div>
|
|
||||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  temp = leftRotate5(a) + ((b & c) | (b & d) | (c & d)) + e + 0x8F1BBCDC + temp;</div>
|
|
||||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  e = d;</div>
|
|
||||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  d = c;</div>
|
|
||||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  c = leftRotate30(b);</div>
|
|
||||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  b = a;</div>
|
|
||||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  a = temp;</div>
|
|
||||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
|
|
||||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">for</span> (; index < 80; ++index) {</div>
|
|
||||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  temp = state.w[index & 0x0F] = leftRotate1</div>
|
|
||||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  (state.w[(index - 3) & 0x0F] ^ state.w[(index - 8) & 0x0F] ^</div>
|
|
||||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  state.w[(index - 14) & 0x0F] ^ state.w[(index - 16) & 0x0F]);</div>
|
|
||||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  temp = leftRotate5(a) + (b ^ c ^ d) + e + 0xCA62C1D6 + temp;</div>
|
|
||||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  e = d;</div>
|
|
||||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  d = c;</div>
|
|
||||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  c = leftRotate30(b);</div>
|
|
||||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  b = a;</div>
|
|
||||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  a = temp;</div>
|
|
||||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div>
|
|
||||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div>
|
|
||||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// Add this chunk's hash to the result so far.</span></div>
|
|
||||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  state.h[0] += a;</div>
|
|
||||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  state.h[1] += b;</div>
|
|
||||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  state.h[2] += c;</div>
|
|
||||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  state.h[3] += d;</div>
|
|
||||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  state.h[4] += e;</div>
|
|
||||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
|
|
||||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// Attempt to clean up the stack.</span></div>
|
|
||||||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  a = b = c = d = e = temp = 0;</div>
|
|
||||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</div>
|
|
||||||
<div class="ttc" id="classSHA1_html_ad0a09a5100d59ff90c04ed5d4071b606"><div class="ttname"><a href="classSHA1.html#ad0a09a5100d59ff90c04ed5d4071b606">SHA1::resetHMAC</a></div><div class="ttdeci">void resetHMAC(const void *key, size_t keyLen)</div><div class="ttdoc">Resets the hash ready for a new HMAC hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00134">SHA1.cpp:134</a></div></div>
|
|
||||||
<div class="ttc" id="classSHA1_html_a8485d7c14fa29286cd3c7acfe438606d"><div class="ttname"><a href="classSHA1.html#a8485d7c14fa29286cd3c7acfe438606d">SHA1::~SHA1</a></div><div class="ttdeci">virtual ~SHA1()</div><div class="ttdoc">Destroys this SHA-1 hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00049">SHA1.cpp:49</a></div></div>
|
|
||||||
<div class="ttc" id="classSHA1_html_ab71aaf39ed956320054861a2fbfa454f"><div class="ttname"><a href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">SHA1::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00064">SHA1.cpp:64</a></div></div>
|
|
||||||
<div class="ttc" id="classSHA1_html_aec77fbc5015f82bbf7055e535085656a"><div class="ttname"><a href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">SHA1::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the hash with more data. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00075">SHA1.cpp:75</a></div></div>
|
|
||||||
<div class="ttc" id="classSHA1_html_a41a159d6565b04d3f620dcd720faaf3f"><div class="ttname"><a href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">SHA1::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00128">SHA1.cpp:128</a></div></div>
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<div class="ttc" id="classSHA1_html_a816e3fd1a02cf1ecc67866cd8c7c309a"><div class="ttname"><a href="classSHA1.html#a816e3fd1a02cf1ecc67866cd8c7c309a">SHA1::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of the internal block used by the hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00059">SHA1.cpp:59</a></div></div>
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<div class="ttc" id="classSHA1_html_a5a6a8a6169aa48e0bccadb22a149ab7c"><div class="ttname"><a href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">SHA1::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00097">SHA1.cpp:97</a></div></div>
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<div class="ttc" id="classSHA1_html_a791db53fe9d6cc0e383b25f1da0a97b8"><div class="ttname"><a href="classSHA1.html#a791db53fe9d6cc0e383b25f1da0a97b8">SHA1::finalizeHMAC</a></div><div class="ttdeci">void finalizeHMAC(const void *key, size_t keyLen, void *hash, size_t hashLen)</div><div class="ttdoc">Finalizes the HMAC hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00141">SHA1.cpp:141</a></div></div>
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<div class="ttc" id="classSHA1_html_ab8cdb7233a8b81be07877049960ddfdd"><div class="ttname"><a href="classSHA1.html#ab8cdb7233a8b81be07877049960ddfdd">SHA1::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00054">SHA1.cpp:54</a></div></div>
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<div class="ttc" id="classSHA1_html_ad49a5108ffd6996b1133bf41224ff726"><div class="ttname"><a href="classSHA1.html#ad49a5108ffd6996b1133bf41224ff726">SHA1::SHA1</a></div><div class="ttdeci">SHA1()</div><div class="ttdoc">Constructs a SHA-1 hash object. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00041">SHA1.cpp:41</a></div></div>
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<div class="ttc" id="classHash_html_ab6f40c9af91dc3d738d9fcce59af63cc"><div class="ttname"><a href="classHash.html#ab6f40c9af91dc3d738d9fcce59af63cc">Hash::formatHMACKey</a></div><div class="ttdeci">void formatHMACKey(void *block, const void *key, size_t len, uint8_t pad)</div><div class="ttdoc">Formats a HMAC key into a block. </div><div class="ttdef"><b>Definition:</b> <a href="Hash_8cpp_source.html#l00162">Hash.cpp:162</a></div></div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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||||||
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
|
|
||||||
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
|
|
||||||
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
|
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||||||
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
|
|
||||||
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
|
|
||||||
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
|
|
||||||
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
|
|
||||||
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
|
|
||||||
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
|
|
||||||
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
|
|
||||||
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
|
|
||||||
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
|
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
|
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
|
|
||||||
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
|
|
||||||
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
|
|
||||||
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
|
|
||||||
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
|
|
||||||
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef CRYPTO_SHA1_h</span></div>
|
|
||||||
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define CRYPTO_SHA1_h</span></div>
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|
||||||
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
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|
||||||
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "Hash.h"</span></div>
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|
||||||
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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|
||||||
<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classSHA1.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classSHA1.html">SHA1</a> : <span class="keyword">public</span> <a class="code" href="classHash.html">Hash</a></div>
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|
||||||
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div>
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||||||
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">public</span>:</div>
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||||||
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classSHA1.html#ad49a5108ffd6996b1133bf41224ff726">SHA1</a>();</div>
|
|
||||||
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">virtual</span> <a class="code" href="classSHA1.html#a8485d7c14fa29286cd3c7acfe438606d">~SHA1</a>();</div>
|
|
||||||
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
|
|
||||||
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">size_t</span> <a class="code" href="classSHA1.html#ab8cdb7233a8b81be07877049960ddfdd">hashSize</a>() <span class="keyword">const</span>;</div>
|
|
||||||
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">size_t</span> <a class="code" href="classSHA1.html#a816e3fd1a02cf1ecc67866cd8c7c309a">blockSize</a>() <span class="keyword">const</span>;</div>
|
|
||||||
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
|
|
||||||
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">reset</a>();</div>
|
|
||||||
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">update</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len);</div>
|
|
||||||
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">finalize</a>(<span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> len);</div>
|
|
||||||
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
|
|
||||||
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">clear</a>();</div>
|
|
||||||
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
|
|
||||||
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#ad0a09a5100d59ff90c04ed5d4071b606">resetHMAC</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *key, <span class="keywordtype">size_t</span> keyLen);</div>
|
|
||||||
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a791db53fe9d6cc0e383b25f1da0a97b8">finalizeHMAC</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *key, <span class="keywordtype">size_t</span> keyLen, <span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> hashLen);</div>
|
|
||||||
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
|
|
||||||
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">private</span>:</div>
|
|
||||||
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">struct </span>{</div>
|
|
||||||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  uint32_t h[5];</div>
|
|
||||||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  uint32_t w[16];</div>
|
|
||||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint64_t length;</div>
|
|
||||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  uint8_t chunkSize;</div>
|
|
||||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  } state;</div>
|
|
||||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
|
|
||||||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">void</span> processChunk();</div>
|
|
||||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> };</div>
|
|
||||||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
|
|
||||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif</span></div>
|
|
||||||
<div class="ttc" id="classSHA1_html_ad0a09a5100d59ff90c04ed5d4071b606"><div class="ttname"><a href="classSHA1.html#ad0a09a5100d59ff90c04ed5d4071b606">SHA1::resetHMAC</a></div><div class="ttdeci">void resetHMAC(const void *key, size_t keyLen)</div><div class="ttdoc">Resets the hash ready for a new HMAC hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00134">SHA1.cpp:134</a></div></div>
|
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||||||
<div class="ttc" id="classSHA1_html_a8485d7c14fa29286cd3c7acfe438606d"><div class="ttname"><a href="classSHA1.html#a8485d7c14fa29286cd3c7acfe438606d">SHA1::~SHA1</a></div><div class="ttdeci">virtual ~SHA1()</div><div class="ttdoc">Destroys this SHA-1 hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00049">SHA1.cpp:49</a></div></div>
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<div class="ttc" id="classSHA1_html_ab71aaf39ed956320054861a2fbfa454f"><div class="ttname"><a href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">SHA1::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00064">SHA1.cpp:64</a></div></div>
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<div class="ttc" id="classHash_html"><div class="ttname"><a href="classHash.html">Hash</a></div><div class="ttdoc">Abstract base class for cryptographic hash algorithms. </div><div class="ttdef"><b>Definition:</b> <a href="Hash_8h_source.html#l00029">Hash.h:29</a></div></div>
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<div class="ttc" id="classSHA1_html_aec77fbc5015f82bbf7055e535085656a"><div class="ttname"><a href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">SHA1::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the hash with more data. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00075">SHA1.cpp:75</a></div></div>
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<div class="ttc" id="classSHA1_html_a41a159d6565b04d3f620dcd720faaf3f"><div class="ttname"><a href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">SHA1::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00128">SHA1.cpp:128</a></div></div>
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||||||
<div class="ttc" id="classSHA1_html_a816e3fd1a02cf1ecc67866cd8c7c309a"><div class="ttname"><a href="classSHA1.html#a816e3fd1a02cf1ecc67866cd8c7c309a">SHA1::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of the internal block used by the hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00059">SHA1.cpp:59</a></div></div>
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||||||
<div class="ttc" id="classSHA1_html"><div class="ttname"><a href="classSHA1.html">SHA1</a></div><div class="ttdoc">SHA-1 hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8h_source.html#l00028">SHA1.h:28</a></div></div>
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||||||
<div class="ttc" id="classSHA1_html_a5a6a8a6169aa48e0bccadb22a149ab7c"><div class="ttname"><a href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">SHA1::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00097">SHA1.cpp:97</a></div></div>
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||||||
<div class="ttc" id="classSHA1_html_a791db53fe9d6cc0e383b25f1da0a97b8"><div class="ttname"><a href="classSHA1.html#a791db53fe9d6cc0e383b25f1da0a97b8">SHA1::finalizeHMAC</a></div><div class="ttdeci">void finalizeHMAC(const void *key, size_t keyLen, void *hash, size_t hashLen)</div><div class="ttdoc">Finalizes the HMAC hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00141">SHA1.cpp:141</a></div></div>
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||||||
<div class="ttc" id="classSHA1_html_ab8cdb7233a8b81be07877049960ddfdd"><div class="ttname"><a href="classSHA1.html#ab8cdb7233a8b81be07877049960ddfdd">SHA1::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00054">SHA1.cpp:54</a></div></div>
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||||||
<div class="ttc" id="classSHA1_html_ad49a5108ffd6996b1133bf41224ff726"><div class="ttname"><a href="classSHA1.html#ad49a5108ffd6996b1133bf41224ff726">SHA1::SHA1</a></div><div class="ttdeci">SHA1()</div><div class="ttdoc">Constructs a SHA-1 hash object. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00041">SHA1.cpp:41</a></div></div>
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