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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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@ -175,7 +175,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -182,7 +182,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -203,7 +203,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -125,7 +125,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -141,7 +141,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -365,7 +365,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -164,7 +164,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -356,7 +356,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -163,7 +163,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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@ -159,7 +159,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  --count;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  len -= 4;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (count > 0) {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (count > 0 && len > 0) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (len == 3) {</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  *limbs++ = ((limb_t)(bytes[0])) |</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  (((limb_t)(bytes[1])) << 8) |</div>
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@ -167,7 +167,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 2) {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  *limbs++ = ((limb_t)(bytes[0])) |</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  (((limb_t)(bytes[1])) << 8);</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 1) {</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  *limbs++ = ((limb_t)(bytes[0]));</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  --count;</div>
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@ -176,399 +176,513 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  *limbs++ = 0;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  --count;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor"></span>}</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865"> 134</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">BigNumberUtil::unpackBE</a>(limb_t *limbs, <span class="keywordtype">size_t</span> count,</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">const</span> uint8_t *bytes, <span class="keywordtype">size_t</span> len)</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> <span class="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (count > 0 && len > 0) {</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_64BIT</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (count > 0 && len >= 8) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  *limbs++ = ((limb_t)(bytes[0])) |</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  (((limb_t)(bytes[1])) << 8) |</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  (((limb_t)(bytes[2])) << 16) |</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  (((limb_t)(bytes[3])) << 24) |</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  (((limb_t)(bytes[4])) << 32) |</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  (((limb_t)(bytes[5])) << 40) |</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  (((limb_t)(bytes[6])) << 48) |</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  (((limb_t)(bytes[7])) << 56);</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  bytes += 8;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  --count;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  len -= 8;</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="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (count > 0 && len > 0) {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  limb_t word = 0;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  uint8_t shift = 0;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">while</span> (len > 0 && shift < 64) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  word |= (((limb_t)(*bytes++)) << shift);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  shift += 8;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  --len;</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>  *limbs++ = word;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  --count;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  --len;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  *limbs++ = bytes[len];</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  memset(limbs, 0, count);</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor"></span> bytes += len;</div>
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||||
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">while</span> (count > 0 && len >= 2) {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  --count;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  bytes -= 2;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  len -= 2;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  *limbs++ = ((limb_t)(bytes[1])) |</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  (((limb_t)(bytes[0])) << 8);</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (count > 0 && len == 1) {</div>
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||||
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  --count;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  --bytes;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  *limbs++ = (limb_t)(bytes[0]);</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  memset(limbs, 0, count * <span class="keyword">sizeof</span>(limb_t));</div>
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||||
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"></span> bytes += len;</div>
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||||
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">while</span> (count > 0 && len >= 4) {</div>
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||||
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  --count;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  bytes -= 4;</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  len -= 4;</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  *limbs++ = ((limb_t)(bytes[3])) |</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  (((limb_t)(bytes[2])) << 8) |</div>
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||||
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  (((limb_t)(bytes[1])) << 16) |</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  (((limb_t)(bytes[0])) << 24);</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
|
||||
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (count > 0) {</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (len == 3) {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  --count;</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  bytes -= 3;</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  *limbs++ = ((limb_t)(bytes[2])) |</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  (((limb_t)(bytes[1])) << 8) |</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  (((limb_t)(bytes[0])) << 16);</div>
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||||
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 2) {</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  --count;</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  bytes -= 2;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  *limbs++ = ((limb_t)(bytes[1])) |</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  (((limb_t)(bytes[0])) << 8);</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 1) {</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">while</span> (count > 0) {</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  *limbs++ = 0;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  --count;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor"></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="l00163"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865"> 163</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">BigNumberUtil::unpackBE</a>(limb_t *limbs, <span class="keywordtype">size_t</span> count,</div>
|
||||
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> uint8_t *bytes, <span class="keywordtype">size_t</span> len)</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="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
|
||||
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (count > 0 && len > 0) {</div>
|
||||
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  --count;</div>
|
||||
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  --len;</div>
|
||||
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  *limbs++ = bytes[len];</div>
|
||||
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
|
||||
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  memset(limbs, 0, count);</div>
|
||||
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor"></span> bytes += len;</div>
|
||||
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">while</span> (count > 0 && len >= 2) {</div>
|
||||
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  --count;</div>
|
||||
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  bytes -= 2;</div>
|
||||
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  len -= 2;</div>
|
||||
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  *limbs++ = ((limb_t)(bytes[1])) |</div>
|
||||
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  (((limb_t)(bytes[0])) << 8);</div>
|
||||
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div>
|
||||
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (count > 0 && len == 1) {</div>
|
||||
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  --count;</div>
|
||||
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  --bytes;</div>
|
||||
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  *limbs++ = (limb_t)(bytes[0]);</div>
|
||||
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
|
||||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
|
||||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  memset(limbs, 0, count * <span class="keyword">sizeof</span>(limb_t));</div>
|
||||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor"></span>}</div>
|
||||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
|
||||
<div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810"> 208</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810">BigNumberUtil::packLE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count)</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> <span class="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
|
||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (len <= count) {</div>
|
||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  memcpy(bytes, limbs, len);</div>
|
||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  memcpy(bytes, limbs, count);</div>
|
||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  memset(bytes + count, 0, len - count);</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="preprocessor">#elif CRYPTO_LITTLE_ENDIAN</span></div>
|
||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span> count *= <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">if</span> (len <= count) {</div>
|
||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  memcpy(bytes, limbs, len);</div>
|
||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  memcpy(bytes, limbs, count);</div>
|
||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  memset(bytes + count, 0, len - count);</div>
|
||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
|
||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor"></span> limb_t word;</div>
|
||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">while</span> (count > 0 && len >= 2) {</div>
|
||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  word = *limbs++;</div>
|
||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  --count;</div>
|
||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  len -= 2;</div>
|
||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  bytes += 2;</div>
|
||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div>
|
||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (count > 0 && len == 1) {</div>
|
||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  bytes[0] = (uint8_t)(*limbs);</div>
|
||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  --len;</div>
|
||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  ++bytes;</div>
|
||||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  memset(limbs, 0, count * <span class="keyword">sizeof</span>(limb_t));</div>
|
||||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"></span> bytes += len;</div>
|
||||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">while</span> (count > 0 && len >= 4) {</div>
|
||||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  --count;</div>
|
||||
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  bytes -= 4;</div>
|
||||
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  len -= 4;</div>
|
||||
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  *limbs++ = ((limb_t)(bytes[3])) |</div>
|
||||
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  (((limb_t)(bytes[2])) << 8) |</div>
|
||||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  (((limb_t)(bytes[1])) << 16) |</div>
|
||||
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  (((limb_t)(bytes[0])) << 24);</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>  <span class="keywordflow">if</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (len == 3) {</div>
|
||||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  --count;</div>
|
||||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  bytes -= 3;</div>
|
||||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  *limbs++ = ((limb_t)(bytes[2])) |</div>
|
||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  (((limb_t)(bytes[1])) << 8) |</div>
|
||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  (((limb_t)(bytes[0])) << 16);</div>
|
||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 2) {</div>
|
||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  --count;</div>
|
||||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  bytes -= 2;</div>
|
||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  *limbs++ = ((limb_t)(bytes[1])) |</div>
|
||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  (((limb_t)(bytes[0])) << 8);</div>
|
||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 1) {</div>
|
||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  --count;</div>
|
||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  --bytes;</div>
|
||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  *limbs++ = (limb_t)(bytes[0]);</div>
|
||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</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>  memset(limbs, 0, count * <span class="keyword">sizeof</span>(limb_t));</div>
|
||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_64BIT</span></div>
|
||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span> bytes += len;</div>
|
||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">while</span> (count > 0 && len >= 8) {</div>
|
||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  --count;</div>
|
||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  bytes -= 8;</div>
|
||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  len -= 8;</div>
|
||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  *limbs++ = ((limb_t)(bytes[7])) |</div>
|
||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  (((limb_t)(bytes[6])) << 8) |</div>
|
||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  (((limb_t)(bytes[5])) << 16) |</div>
|
||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  (((limb_t)(bytes[4])) << 24) |</div>
|
||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  (((limb_t)(bytes[3])) << 32) |</div>
|
||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  (((limb_t)(bytes[2])) << 40) |</div>
|
||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  (((limb_t)(bytes[1])) << 48) |</div>
|
||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  (((limb_t)(bytes[0])) << 56);</div>
|
||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
|
||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (count > 0 && len > 0) {</div>
|
||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  limb_t word = 0;</div>
|
||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  uint8_t shift = 0;</div>
|
||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">while</span> (len > 0 && shift < 64) {</div>
|
||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  word |= (((limb_t)(*(--bytes))) << shift);</div>
|
||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  shift += 8;</div>
|
||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  --len;</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>  memset(bytes, 0, len);</div>
|
||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor"></span> limb_t word;</div>
|
||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">while</span> (count > 0 && len >= 4) {</div>
|
||||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  word = *limbs++;</div>
|
||||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  bytes[2] = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  bytes[3] = (uint8_t)(word >> 24);</div>
|
||||
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  --count;</div>
|
||||
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  len -= 4;</div>
|
||||
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  bytes += 4;</div>
|
||||
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div>
|
||||
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (len == 3) {</div>
|
||||
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  bytes[2] = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  len -= 3;</div>
|
||||
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  bytes += 3;</div>
|
||||
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 2) {</div>
|
||||
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  len -= 2;</div>
|
||||
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  bytes += 2;</div>
|
||||
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 1) {</div>
|
||||
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  bytes[0] = (uint8_t)(*limbs);</div>
|
||||
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  --len;</div>
|
||||
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  ++bytes;</div>
|
||||
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
|
||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  *limbs++ = word;</div>
|
||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  --count;</div>
|
||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
|
||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  memset(limbs, 0, count * <span class="keyword">sizeof</span>(limb_t));</div>
|
||||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor"></span>}</div>
|
||||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div>
|
||||
<div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810"> 264</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810">BigNumberUtil::packLE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count)</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> <span class="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
|
||||
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (len <= count) {</div>
|
||||
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  memcpy(bytes, limbs, len);</div>
|
||||
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  memcpy(bytes, limbs, count);</div>
|
||||
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  memset(bytes + count, 0, len - count);</div>
|
||||
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
|
||||
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  memset(bytes, 0, len);</div>
|
||||
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="preprocessor"></span>}</div>
|
||||
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div>
|
||||
<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0"> 294</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">BigNumberUtil::packBE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count)</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> <span class="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
|
||||
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (len > count) {</div>
|
||||
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordtype">size_t</span> size = len - count;</div>
|
||||
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  memset(bytes, 0, size);</div>
|
||||
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  bytes += size;</div>
|
||||
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len < count) {</div>
|
||||
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  count = len;</div>
|
||||
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
|
||||
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">while</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  --count;</div>
|
||||
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  *bytes++ = *(--limbs);</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="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="preprocessor"></span> <span class="keywordtype">size_t</span> countBytes = count * <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (len >= countBytes) {</div>
|
||||
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordtype">size_t</span> size = len - countBytes;</div>
|
||||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  memset(bytes, 0, size);</div>
|
||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  bytes += size;</div>
|
||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  count = len / <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> ((len & 1) != 0)</div>
|
||||
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  *bytes++ = (uint8_t)(*limbs);</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>  <span class="keywordflow">while</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  --count;</div>
|
||||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  word = *(--limbs);</div>
|
||||
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div>
|
||||
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor"></span> <span class="keywordtype">size_t</span> countBytes = count * <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (len >= countBytes) {</div>
|
||||
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordtype">size_t</span> size = len - countBytes;</div>
|
||||
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  memset(bytes, 0, size);</div>
|
||||
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  bytes += size;</div>
|
||||
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  count = len / <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span> ((len & 3) == 3) {</div>
|
||||
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  *bytes++ = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((len & 3) == 2) {</div>
|
||||
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((len & 3) == 1) {</div>
|
||||
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  *bytes++ = (uint8_t)(*limbs);</div>
|
||||
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
|
||||
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
|
||||
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">while</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  --count;</div>
|
||||
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  word = *(--limbs);</div>
|
||||
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  *bytes++ = (uint8_t)(word >> 24);</div>
|
||||
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  *bytes++ = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  }</div>
|
||||
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor"></span>}</div>
|
||||
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div>
|
||||
<div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414"> 381</a></span> limb_t <a class="code" href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414">BigNumberUtil::add</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> {</div>
|
||||
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  carry += *x++;</div>
|
||||
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  carry += *y++;</div>
|
||||
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  --size;</div>
|
||||
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor">#elif CRYPTO_LITTLE_ENDIAN</span></div>
|
||||
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor"></span> count *= <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (len <= count) {</div>
|
||||
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  memcpy(bytes, limbs, len);</div>
|
||||
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  memcpy(bytes, limbs, count);</div>
|
||||
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  memset(bytes + count, 0, len - count);</div>
|
||||
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div>
|
||||
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor"></span> limb_t word;</div>
|
||||
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">while</span> (count > 0 && len >= 2) {</div>
|
||||
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  word = *limbs++;</div>
|
||||
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  --count;</div>
|
||||
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  len -= 2;</div>
|
||||
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  bytes += 2;</div>
|
||||
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
|
||||
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (count > 0 && len == 1) {</div>
|
||||
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  bytes[0] = (uint8_t)(*limbs);</div>
|
||||
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  --len;</div>
|
||||
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  ++bytes;</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>  memset(bytes, 0, len);</div>
|
||||
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor"></span> limb_t word;</div>
|
||||
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">while</span> (count > 0 && len >= 4) {</div>
|
||||
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  word = *limbs++;</div>
|
||||
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  bytes[2] = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  bytes[3] = (uint8_t)(word >> 24);</div>
|
||||
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  --count;</div>
|
||||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  len -= 4;</div>
|
||||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  bytes += 4;</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="keywordflow">if</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">if</span> (len == 3) {</div>
|
||||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  bytes[2] = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  len -= 3;</div>
|
||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  bytes += 3;</div>
|
||||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 2) {</div>
|
||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  len -= 2;</div>
|
||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  bytes += 2;</div>
|
||||
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 1) {</div>
|
||||
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  bytes[0] = (uint8_t)(*limbs);</div>
|
||||
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  --len;</div>
|
||||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  ++bytes;</div>
|
||||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</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>  memset(bytes, 0, len);</div>
|
||||
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_64BIT</span></div>
|
||||
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="preprocessor"></span> limb_t word;</div>
|
||||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">while</span> (count > 0 && len >= 8) {</div>
|
||||
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  word = *limbs++;</div>
|
||||
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  bytes[0] = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  bytes[1] = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  bytes[2] = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  bytes[3] = (uint8_t)(word >> 24);</div>
|
||||
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  bytes[4] = (uint8_t)(word >> 32);</div>
|
||||
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  bytes[5] = (uint8_t)(word >> 40);</div>
|
||||
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  bytes[6] = (uint8_t)(word >> 48);</div>
|
||||
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  bytes[7] = (uint8_t)(word >> 56);</div>
|
||||
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  --count;</div>
|
||||
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  len -= 8;</div>
|
||||
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  bytes += 8;</div>
|
||||
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
|
||||
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
||||
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  word >>= 8;</div>
|
||||
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  --len;</div>
|
||||
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  }</div>
|
||||
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
|
||||
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  memset(bytes, 0, len);</div>
|
||||
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="preprocessor"></span>}</div>
|
||||
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div>
|
||||
<div class="line"><a name="l00375"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0"> 375</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">BigNumberUtil::packBE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count)</div>
|
||||
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> {</div>
|
||||
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
|
||||
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (len > count) {</div>
|
||||
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordtype">size_t</span> size = len - count;</div>
|
||||
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  memset(bytes, 0, size);</div>
|
||||
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  bytes += size;</div>
|
||||
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len < count) {</div>
|
||||
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  count = len;</div>
|
||||
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
|
||||
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">while</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  --count;</div>
|
||||
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  *bytes++ = *(--limbs);</div>
|
||||
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  }</div>
|
||||
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> }</div>
|
||||
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div>
|
||||
<div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67"> 408</a></span> limb_t <a class="code" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> {</div>
|
||||
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  dlimb_t borrow = 0;</div>
|
||||
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  borrow = ((dlimb_t)(*x++)) - (*y++) - ((borrow >> LIMB_BITS) & 0x01);</div>
|
||||
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  *result++ = (limb_t)borrow;</div>
|
||||
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  --size;</div>
|
||||
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
|
||||
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">return</span> ((limb_t)(borrow >> LIMB_BITS)) & 0x01;</div>
|
||||
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> }</div>
|
||||
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div>
|
||||
<div class="line"><a name="l00432"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f"> 432</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">BigNumberUtil::mul</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount)</div>
|
||||
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> {</div>
|
||||
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordtype">size_t</span> i, j;</div>
|
||||
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  dlimb_t carry;</div>
|
||||
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keyword">const</span> limb_t *xx;</div>
|
||||
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  limb_t *rr;</div>
|
||||
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div>
|
||||
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">// Multiply the lowest limb of y by x.</span></div>
|
||||
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  word = y[0];</div>
|
||||
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  rr = result;</div>
|
||||
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">for</span> (i = 0; i < xcount; ++i) {</div>
|
||||
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  }</div>
|
||||
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> </div>
|
||||
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="comment">// Multiply and add the remaining limbs of y by x.</span></div>
|
||||
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">for</span> (i = 1; i < ycount; ++i) {</div>
|
||||
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  word = y[i];</div>
|
||||
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  rr = result + i;</div>
|
||||
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">for</span> (j = 0; j < xcount; ++j) {</div>
|
||||
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  carry += *rr;</div>
|
||||
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div>
|
||||
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="preprocessor"></span> <span class="keywordtype">size_t</span> countBytes = count * <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (len >= countBytes) {</div>
|
||||
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordtype">size_t</span> size = len - countBytes;</div>
|
||||
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  memset(bytes, 0, size);</div>
|
||||
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  bytes += size;</div>
|
||||
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  count = len / <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">if</span> ((len & 1) != 0)</div>
|
||||
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  *bytes++ = (uint8_t)(*limbs);</div>
|
||||
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div>
|
||||
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">while</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  --count;</div>
|
||||
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  word = *(--limbs);</div>
|
||||
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
|
||||
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="preprocessor"></span> <span class="keywordtype">size_t</span> countBytes = count * <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">if</span> (len >= countBytes) {</div>
|
||||
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordtype">size_t</span> size = len - countBytes;</div>
|
||||
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  memset(bytes, 0, size);</div>
|
||||
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  bytes += size;</div>
|
||||
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  count = len / <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> ((len & 3) == 3) {</div>
|
||||
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  *bytes++ = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((len & 3) == 2) {</div>
|
||||
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((len & 3) == 1) {</div>
|
||||
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  *bytes++ = (uint8_t)(*limbs);</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>  }</div>
|
||||
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">while</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  --count;</div>
|
||||
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  word = *(--limbs);</div>
|
||||
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  *bytes++ = (uint8_t)(word >> 24);</div>
|
||||
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  *bytes++ = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  *bytes++ = (uint8_t)word;</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> <span class="preprocessor">#elif BIGNUMBER_LIMB_64BIT</span></div>
|
||||
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="preprocessor"></span> <span class="keywordtype">size_t</span> countBytes = count * <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">if</span> (len >= countBytes) {</div>
|
||||
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordtype">size_t</span> size = len - countBytes;</div>
|
||||
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  memset(bytes, 0, size);</div>
|
||||
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  bytes += size;</div>
|
||||
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  count = len / <span class="keyword">sizeof</span>(limb_t);</div>
|
||||
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  limbs += count;</div>
|
||||
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  uint8_t size = len & 7;</div>
|
||||
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  uint8_t shift = size * 8;</div>
|
||||
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  word = *limbs;</div>
|
||||
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  shift -= 8;</div>
|
||||
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  *bytes++ = (uint8_t)(word >> shift);</div>
|
||||
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  --size;</div>
|
||||
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div>
|
||||
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  }</div>
|
||||
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> }</div>
|
||||
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> </div>
|
||||
<div class="line"><a name="l00484"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34"> 484</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">BigNumberUtil::reduceQuick</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span> {</div>
|
||||
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="comment">// Subtract "y" from "x" and turn the borrow into an AND mask.</span></div>
|
||||
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  limb_t mask = <a class="code" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">sub</a>(result, x, y, size);</div>
|
||||
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  mask = (~mask) + 1;</div>
|
||||
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> </div>
|
||||
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="comment">// Add "y" back to the result if the mask is non-zero.</span></div>
|
||||
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  carry += *result;</div>
|
||||
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  carry += (*y++ & mask);</div>
|
||||
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  --size;</div>
|
||||
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  }</div>
|
||||
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> }</div>
|
||||
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> </div>
|
||||
<div class="line"><a name="l00514"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20"> 514</a></span> limb_t <a class="code" href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">BigNumberUtil::add_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> {</div>
|
||||
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  carry += *x++;</div>
|
||||
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  carry += pgm_read_limb(y++);</div>
|
||||
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  --size;</div>
|
||||
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  }</div>
|
||||
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">return</span> (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> }</div>
|
||||
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> </div>
|
||||
<div class="line"><a name="l00541"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3"> 541</a></span> limb_t <a class="code" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">BigNumberUtil::sub_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> {</div>
|
||||
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  dlimb_t borrow = 0;</div>
|
||||
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  borrow = ((dlimb_t)(*x++)) - pgm_read_limb(y++) - ((borrow >> LIMB_BITS) & 0x01);</div>
|
||||
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  *result++ = (limb_t)borrow;</div>
|
||||
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  --size;</div>
|
||||
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  }</div>
|
||||
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">return</span> ((limb_t)(borrow >> LIMB_BITS)) & 0x01;</div>
|
||||
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> }</div>
|
||||
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span> </div>
|
||||
<div class="line"><a name="l00566"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a"> 566</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount)</div>
|
||||
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> {</div>
|
||||
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="keywordtype">size_t</span> i, j;</div>
|
||||
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  dlimb_t carry;</div>
|
||||
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keyword">const</span> limb_t *xx;</div>
|
||||
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  limb_t *rr;</div>
|
||||
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> </div>
|
||||
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="comment">// Multiply the lowest limb of y by x.</span></div>
|
||||
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  word = pgm_read_limb(&(y[0]));</div>
|
||||
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  rr = result;</div>
|
||||
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">for</span> (i = 0; i < xcount; ++i) {</div>
|
||||
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  }</div>
|
||||
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> </div>
|
||||
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">// Multiply and add the remaining limb of y by x.</span></div>
|
||||
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordflow">for</span> (i = 1; i < ycount; ++i) {</div>
|
||||
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  word = pgm_read_limb(&(y[i]));</div>
|
||||
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  rr = result + i;</div>
|
||||
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">for</span> (j = 0; j < xcount; ++j) {</div>
|
||||
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  carry += *rr;</div>
|
||||
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  }</div>
|
||||
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  }</div>
|
||||
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> }</div>
|
||||
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div>
|
||||
<div class="line"><a name="l00620"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b"> 620</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b">BigNumberUtil::reduceQuick_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> {</div>
|
||||
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="comment">// Subtract "y" from "x" and turn the borrow into an AND mask.</span></div>
|
||||
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  limb_t mask = <a class="code" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">sub_P</a>(result, x, y, size);</div>
|
||||
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  mask = (~mask) + 1;</div>
|
||||
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div>
|
||||
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="comment">// Add "y" back to the result if the mask is non-zero.</span></div>
|
||||
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  carry += *result;</div>
|
||||
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  carry += (pgm_read_limb(y++) & mask);</div>
|
||||
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  --size;</div>
|
||||
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  }</div>
|
||||
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> }</div>
|
||||
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> </div>
|
||||
<div class="line"><a name="l00647"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd"> 647</a></span> limb_t <a class="code" href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">BigNumberUtil::isZero</a>(<span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> {</div>
|
||||
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  limb_t word = 0;</div>
|
||||
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  word |= *x++;</div>
|
||||
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  --size;</div>
|
||||
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
|
||||
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">return</span> (limb_t)(((((dlimb_t)1) << LIMB_BITS) - word) >> LIMB_BITS);</div>
|
||||
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> }</div>
|
||||
<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>
|
||||
<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>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af0fa1527647af42b65eda6b0aab982b3"><div class="ttname"><a href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">BigNumberUtil::sub_P</a></div><div class="ttdeci">static limb_t sub_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00541">BigNumberUtil.cpp:541</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a5af5f50c91594183da4e079d76702d34"><div class="ttname"><a href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">BigNumberUtil::reduceQuick</a></div><div class="ttdeci">static void reduceQuick(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Reduces x modulo y using subtraction. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00484">BigNumberUtil.cpp:484</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a6618e03bfcb3086961df508b40cc1e67"><div class="ttname"><a href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a></div><div class="ttdeci">static limb_t sub(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00408">BigNumberUtil.cpp:408</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_aacdee1806a239eb9e58753ef1ddb964a"><div class="ttname"><a href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a></div><div class="ttdeci">static void mul_P(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00566">BigNumberUtil.cpp:566</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af49dd38173ea0310776d283aabea2ba0"><div class="ttname"><a href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">BigNumberUtil::packBE</a></div><div class="ttdeci">static void packBE(uint8_t *bytes, size_t len, const limb_t *limbs, size_t count)</div><div class="ttdoc">Packs the big-endian byte representation of a big number into a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00294">BigNumberUtil.cpp:294</a></div></div>
|
||||
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">while</span> (count > 0) {</div>
|
||||
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  --count;</div>
|
||||
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  word = *(--limbs);</div>
|
||||
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  *bytes++ = (uint8_t)(word >> 56);</div>
|
||||
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  *bytes++ = (uint8_t)(word >> 48);</div>
|
||||
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  *bytes++ = (uint8_t)(word >> 40);</div>
|
||||
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  *bytes++ = (uint8_t)(word >> 32);</div>
|
||||
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  *bytes++ = (uint8_t)(word >> 24);</div>
|
||||
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  *bytes++ = (uint8_t)(word >> 16);</div>
|
||||
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  *bytes++ = (uint8_t)(word >> 8);</div>
|
||||
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  *bytes++ = (uint8_t)word;</div>
|
||||
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  }</div>
|
||||
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="preprocessor"></span>}</div>
|
||||
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div>
|
||||
<div class="line"><a name="l00495"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414"> 495</a></span> limb_t <a class="code" href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414">BigNumberUtil::add</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span> {</div>
|
||||
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  carry += *x++;</div>
|
||||
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  carry += *y++;</div>
|
||||
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  --size;</div>
|
||||
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  }</div>
|
||||
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">return</span> (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> }</div>
|
||||
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div>
|
||||
<div class="line"><a name="l00522"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67"> 522</a></span> limb_t <a class="code" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> {</div>
|
||||
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  dlimb_t borrow = 0;</div>
|
||||
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  borrow = ((dlimb_t)(*x++)) - (*y++) - ((borrow >> LIMB_BITS) & 0x01);</div>
|
||||
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  *result++ = (limb_t)borrow;</div>
|
||||
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  --size;</div>
|
||||
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div>
|
||||
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">return</span> ((limb_t)(borrow >> LIMB_BITS)) & 0x01;</div>
|
||||
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> }</div>
|
||||
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> </div>
|
||||
<div class="line"><a name="l00546"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f"> 546</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">BigNumberUtil::mul</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount)</div>
|
||||
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> {</div>
|
||||
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordtype">size_t</span> i, j;</div>
|
||||
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  dlimb_t carry;</div>
|
||||
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keyword">const</span> limb_t *xx;</div>
|
||||
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  limb_t *rr;</div>
|
||||
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> </div>
|
||||
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="comment">// Multiply the lowest limb of y by x.</span></div>
|
||||
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  word = y[0];</div>
|
||||
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  rr = result;</div>
|
||||
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">for</span> (i = 0; i < xcount; ++i) {</div>
|
||||
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  }</div>
|
||||
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> </div>
|
||||
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="comment">// Multiply and add the remaining limbs of y by x.</span></div>
|
||||
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">for</span> (i = 1; i < ycount; ++i) {</div>
|
||||
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  word = y[i];</div>
|
||||
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  rr = result + i;</div>
|
||||
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordflow">for</span> (j = 0; j < xcount; ++j) {</div>
|
||||
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  carry += *rr;</div>
|
||||
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  }</div>
|
||||
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  }</div>
|
||||
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> }</div>
|
||||
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> </div>
|
||||
<div class="line"><a name="l00598"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34"> 598</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">BigNumberUtil::reduceQuick</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> {</div>
|
||||
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="comment">// Subtract "y" from "x" and turn the borrow into an AND mask.</span></div>
|
||||
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  limb_t mask = <a class="code" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">sub</a>(result, x, y, size);</div>
|
||||
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  mask = (~mask) + 1;</div>
|
||||
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div>
|
||||
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="comment">// Add "y" back to the result if the mask is non-zero.</span></div>
|
||||
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  carry += *result;</div>
|
||||
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  carry += (*y++ & mask);</div>
|
||||
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  --size;</div>
|
||||
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  }</div>
|
||||
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> }</div>
|
||||
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> </div>
|
||||
<div class="line"><a name="l00628"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20"> 628</a></span> limb_t <a class="code" href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">BigNumberUtil::add_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> {</div>
|
||||
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  carry += *x++;</div>
|
||||
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  carry += pgm_read_limb(y++);</div>
|
||||
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  --size;</div>
|
||||
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  }</div>
|
||||
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">return</span> (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> }</div>
|
||||
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> </div>
|
||||
<div class="line"><a name="l00655"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3"> 655</a></span> limb_t <a class="code" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">BigNumberUtil::sub_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span> {</div>
|
||||
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  dlimb_t borrow = 0;</div>
|
||||
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  borrow = ((dlimb_t)(*x++)) - pgm_read_limb(y++) - ((borrow >> LIMB_BITS) & 0x01);</div>
|
||||
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  *result++ = (limb_t)borrow;</div>
|
||||
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  --size;</div>
|
||||
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  }</div>
|
||||
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="keywordflow">return</span> ((limb_t)(borrow >> LIMB_BITS)) & 0x01;</div>
|
||||
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> }</div>
|
||||
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> </div>
|
||||
<div class="line"><a name="l00680"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a"> 680</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount)</div>
|
||||
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span> {</div>
|
||||
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keywordtype">size_t</span> i, j;</div>
|
||||
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  dlimb_t carry;</div>
|
||||
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  limb_t word;</div>
|
||||
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keyword">const</span> limb_t *xx;</div>
|
||||
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  limb_t *rr;</div>
|
||||
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span> </div>
|
||||
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="comment">// Multiply the lowest limb of y by x.</span></div>
|
||||
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  word = pgm_read_limb(&(y[0]));</div>
|
||||
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  rr = result;</div>
|
||||
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">for</span> (i = 0; i < xcount; ++i) {</div>
|
||||
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  }</div>
|
||||
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span> </div>
|
||||
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="comment">// Multiply and add the remaining limb of y by x.</span></div>
|
||||
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">for</span> (i = 1; i < ycount; ++i) {</div>
|
||||
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  word = pgm_read_limb(&(y[i]));</div>
|
||||
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  xx = x;</div>
|
||||
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  rr = result + i;</div>
|
||||
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">for</span> (j = 0; j < xcount; ++j) {</div>
|
||||
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  carry += ((dlimb_t)(*xx++)) * word;</div>
|
||||
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  carry += *rr;</div>
|
||||
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  *rr++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  }</div>
|
||||
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  *rr = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  }</div>
|
||||
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> }</div>
|
||||
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> </div>
|
||||
<div class="line"><a name="l00734"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b"> 734</a></span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b">BigNumberUtil::reduceQuick_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> {</div>
|
||||
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="comment">// Subtract "y" from "x" and turn the borrow into an AND mask.</span></div>
|
||||
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  limb_t mask = <a class="code" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">sub_P</a>(result, x, y, size);</div>
|
||||
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  mask = (~mask) + 1;</div>
|
||||
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> </div>
|
||||
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="comment">// Add "y" back to the result if the mask is non-zero.</span></div>
|
||||
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  carry += *result;</div>
|
||||
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  carry += (pgm_read_limb(y++) & mask);</div>
|
||||
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  *result++ = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  --size;</div>
|
||||
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  }</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="l00761"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd"> 761</a></span> limb_t <a class="code" href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">BigNumberUtil::isZero</a>(<span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> size)</div>
|
||||
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span> {</div>
|
||||
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  limb_t word = 0;</div>
|
||||
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">while</span> (size > 0) {</div>
|
||||
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  word |= *x++;</div>
|
||||
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  --size;</div>
|
||||
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  }</div>
|
||||
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="keywordflow">return</span> (limb_t)(((((dlimb_t)1) << LIMB_BITS) - word) >> LIMB_BITS);</div>
|
||||
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span> }</div>
|
||||
<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#l00734">BigNumberUtil.cpp:734</a></div></div>
|
||||
<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#l00495">BigNumberUtil.cpp:495</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af0fa1527647af42b65eda6b0aab982b3"><div class="ttname"><a href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">BigNumberUtil::sub_P</a></div><div class="ttdeci">static limb_t sub_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00655">BigNumberUtil.cpp:655</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a5af5f50c91594183da4e079d76702d34"><div class="ttname"><a href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">BigNumberUtil::reduceQuick</a></div><div class="ttdeci">static void reduceQuick(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Reduces x modulo y using subtraction. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00598">BigNumberUtil.cpp:598</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a6618e03bfcb3086961df508b40cc1e67"><div class="ttname"><a href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a></div><div class="ttdeci">static limb_t sub(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00522">BigNumberUtil.cpp:522</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_aacdee1806a239eb9e58753ef1ddb964a"><div class="ttname"><a href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a></div><div class="ttdeci">static void mul_P(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00680">BigNumberUtil.cpp:680</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af49dd38173ea0310776d283aabea2ba0"><div class="ttname"><a href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">BigNumberUtil::packBE</a></div><div class="ttdeci">static void packBE(uint8_t *bytes, size_t len, const limb_t *limbs, size_t count)</div><div class="ttdoc">Packs the big-endian byte representation of a big number into a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00375">BigNumberUtil.cpp:375</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_a1c2c5484f2bf440ae292fd3dfd2d594f"><div class="ttname"><a href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">BigNumberUtil::mul</a></div><div class="ttdeci">static void mul(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00432">BigNumberUtil.cpp:432</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a63f9d7884eb36227d39e1b95e219d865"><div class="ttname"><a href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">BigNumberUtil::unpackBE</a></div><div class="ttdeci">static void unpackBE(limb_t *limbs, size_t count, const uint8_t *bytes, size_t len)</div><div class="ttdoc">Unpacks the big-endian byte representation of a big number into a limb array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00134">BigNumberUtil.cpp:134</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_ad0aafacd8e224bd543341973c62ff1dd"><div class="ttname"><a href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">BigNumberUtil::isZero</a></div><div class="ttdeci">static limb_t isZero(const limb_t *x, size_t size)</div><div class="ttdoc">Determine if a big number is zero. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00647">BigNumberUtil.cpp:647</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_ab9a9f532fcfc182433adac44d8e4ee20"><div class="ttname"><a href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">BigNumberUtil::add_P</a></div><div class="ttdeci">static limb_t add_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Adds two big numbers where one of them is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00514">BigNumberUtil.cpp:514</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a1c2c5484f2bf440ae292fd3dfd2d594f"><div class="ttname"><a href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">BigNumberUtil::mul</a></div><div class="ttdeci">static void mul(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00546">BigNumberUtil.cpp:546</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a63f9d7884eb36227d39e1b95e219d865"><div class="ttname"><a href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">BigNumberUtil::unpackBE</a></div><div class="ttdeci">static void unpackBE(limb_t *limbs, size_t count, const uint8_t *bytes, size_t len)</div><div class="ttdoc">Unpacks the big-endian byte representation of a big number into a limb array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00163">BigNumberUtil.cpp:163</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#l00264">BigNumberUtil.cpp:264</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_ad0aafacd8e224bd543341973c62ff1dd"><div class="ttname"><a href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">BigNumberUtil::isZero</a></div><div class="ttdeci">static limb_t isZero(const limb_t *x, size_t size)</div><div class="ttdoc">Determine if a big number is zero. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00761">BigNumberUtil.cpp:761</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_ab9a9f532fcfc182433adac44d8e4ee20"><div class="ttname"><a href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">BigNumberUtil::add_P</a></div><div class="ttdeci">static limb_t add_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Adds two big numbers where one of them is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00628">BigNumberUtil.cpp:628</a></div></div>
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:40 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -117,92 +117,104 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <stddef.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"> 29</span> <span class="comment">// Define exactly one of these to 1 to set the size of the basic limb type.</span></div>
|
||||
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// 16-bit limbs seem to give the best performance on 8-bit AVR micros.</span></div>
|
||||
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#if defined(__AVR__)</span></div>
|
||||
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_8BIT 0</span></div>
|
||||
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#if defined(__AVR__)</span></div>
|
||||
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="comment">// 16-bit limbs seem to give the best performance on 8-bit AVR micros.</span></div>
|
||||
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define BIGNUMBER_LIMB_8BIT 0</span></div>
|
||||
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_16BIT 1</span></div>
|
||||
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_32BIT 0</span></div>
|
||||
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
|
||||
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="comment">// On all other platforms, assume 32-bit is best (e.g. ARM).</span></div>
|
||||
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define BIGNUMBER_LIMB_8BIT 0</span></div>
|
||||
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_16BIT 0</span></div>
|
||||
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_32BIT 1</span></div>
|
||||
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// Define the limb types to use on this platform.</span></div>
|
||||
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
|
||||
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"></span><span class="keyword">typedef</span> uint8_t limb_t;</div>
|
||||
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">typedef</span> int8_t slimb_t;</div>
|
||||
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">typedef</span> uint16_t dlimb_t;</div>
|
||||
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span><span class="keyword">typedef</span> uint16_t limb_t;</div>
|
||||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">typedef</span> int16_t slimb_t;</div>
|
||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">typedef</span> uint32_t dlimb_t;</div>
|
||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"></span><span class="keyword">typedef</span> uint32_t limb_t;</div>
|
||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">typedef</span> int32_t slimb_t;</div>
|
||||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">typedef</span> uint64_t dlimb_t;</div>
|
||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#else</span></div>
|
||||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span><span class="preprocessor">#error "limb_t must be 8, 16, or 32 bits in size"</span></div>
|
||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html"> 59</a></span> <span class="keyword">class </span><a class="code" href="classBigNumberUtil.html">BigNumberUtil</a></div>
|
||||
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> {</div>
|
||||
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">public</span>:</div>
|
||||
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a25041f898c417c8dd63f30536287ed79">unpackLE</a>(limb_t *limbs, <span class="keywordtype">size_t</span> count,</div>
|
||||
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> uint8_t *bytes, <span class="keywordtype">size_t</span> len);</div>
|
||||
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">unpackBE</a>(limb_t *limbs, <span class="keywordtype">size_t</span> count,</div>
|
||||
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> uint8_t *bytes, <span class="keywordtype">size_t</span> len);</div>
|
||||
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810">packLE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count);</div>
|
||||
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">packBE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count);</div>
|
||||
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
|
||||
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414">add</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">sub</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">mul</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount);</div>
|
||||
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">reduceQuick</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</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">static</span> limb_t <a class="code" href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">add_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">sub_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">mul_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount);</div>
|
||||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b">reduceQuick_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</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="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">isZero</a>(<span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
|
||||
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">private</span>:</div>
|
||||
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// Constructor and destructor are private - cannot instantiate this class.</span></div>
|
||||
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classBigNumberUtil.html">BigNumberUtil</a>() {}</div>
|
||||
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  ~<a class="code" href="classBigNumberUtil.html">BigNumberUtil</a>() {}</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"> 97</span> <span class="preprocessor">#endif</span></div>
|
||||
<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>
|
||||
<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>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af0fa1527647af42b65eda6b0aab982b3"><div class="ttname"><a href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">BigNumberUtil::sub_P</a></div><div class="ttdeci">static limb_t sub_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00541">BigNumberUtil.cpp:541</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a5af5f50c91594183da4e079d76702d34"><div class="ttname"><a href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">BigNumberUtil::reduceQuick</a></div><div class="ttdeci">static void reduceQuick(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Reduces x modulo y using subtraction. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00484">BigNumberUtil.cpp:484</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a6618e03bfcb3086961df508b40cc1e67"><div class="ttname"><a href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a></div><div class="ttdeci">static limb_t sub(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00408">BigNumberUtil.cpp:408</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html"><div class="ttname"><a href="classBigNumberUtil.html">BigNumberUtil</a></div><div class="ttdoc">Utilities to assist with implementing big number arithmetic. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8h_source.html#l00059">BigNumberUtil.h:59</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_aacdee1806a239eb9e58753ef1ddb964a"><div class="ttname"><a href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a></div><div class="ttdeci">static void mul_P(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00566">BigNumberUtil.cpp:566</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af49dd38173ea0310776d283aabea2ba0"><div class="ttname"><a href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">BigNumberUtil::packBE</a></div><div class="ttdeci">static void packBE(uint8_t *bytes, size_t len, const limb_t *limbs, size_t count)</div><div class="ttdoc">Packs the big-endian byte representation of a big number into a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00294">BigNumberUtil.cpp:294</a></div></div>
|
||||
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_64BIT 0</span></div>
|
||||
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#elif defined(__GNUC__) && __WORDSIZE == 64</span></div>
|
||||
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span><span class="comment">// 64-bit system with 128-bit double limbs.</span></div>
|
||||
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define BIGNUMBER_LIMB_8BIT 0</span></div>
|
||||
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_16BIT 0</span></div>
|
||||
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_32BIT 0</span></div>
|
||||
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_64BIT 1</span></div>
|
||||
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
|
||||
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="comment">// On all other platforms, assume 32-bit is best.</span></div>
|
||||
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#define BIGNUMBER_LIMB_8BIT 0</span></div>
|
||||
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_16BIT 0</span></div>
|
||||
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_32BIT 1</span></div>
|
||||
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"></span><span class="preprocessor">#define BIGNUMBER_LIMB_64BIT 0</span></div>
|
||||
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// Define the limb types to use on this platform.</span></div>
|
||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#if BIGNUMBER_LIMB_8BIT</span></div>
|
||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor"></span><span class="keyword">typedef</span> uint8_t limb_t;</div>
|
||||
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">typedef</span> int8_t slimb_t;</div>
|
||||
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">typedef</span> uint16_t dlimb_t;</div>
|
||||
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span><span class="keyword">typedef</span> uint16_t limb_t;</div>
|
||||
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">typedef</span> int16_t slimb_t;</div>
|
||||
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">typedef</span> uint32_t dlimb_t;</div>
|
||||
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span><span class="keyword">typedef</span> uint32_t limb_t;</div>
|
||||
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">typedef</span> int32_t slimb_t;</div>
|
||||
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">typedef</span> uint64_t dlimb_t;</div>
|
||||
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_64BIT</span></div>
|
||||
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"></span><span class="keyword">typedef</span> uint64_t limb_t;</div>
|
||||
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">typedef</span> int64_t slimb_t;</div>
|
||||
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> __int128 dlimb_t;</div>
|
||||
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#else</span></div>
|
||||
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"></span><span class="preprocessor">#error "limb_t must be 8, 16, 32, or 64 bits in size"</span></div>
|
||||
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classBigNumberUtil.html"> 71</a></span> <span class="keyword">class </span><a class="code" href="classBigNumberUtil.html">BigNumberUtil</a></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="keyword">public</span>:</div>
|
||||
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a25041f898c417c8dd63f30536287ed79">unpackLE</a>(limb_t *limbs, <span class="keywordtype">size_t</span> count,</div>
|
||||
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> uint8_t *bytes, <span class="keywordtype">size_t</span> len);</div>
|
||||
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">unpackBE</a>(limb_t *limbs, <span class="keywordtype">size_t</span> count,</div>
|
||||
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> uint8_t *bytes, <span class="keywordtype">size_t</span> len);</div>
|
||||
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a989cd5f389ac5adc798d8767383e2810">packLE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count);</div>
|
||||
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">packBE</a>(uint8_t *bytes, <span class="keywordtype">size_t</span> len,</div>
|
||||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> limb_t *limbs, <span class="keywordtype">size_t</span> count);</div>
|
||||
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
|
||||
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#aa6904b2727af6b767fe041b1b7f27414">add</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">sub</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">mul</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount);</div>
|
||||
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">reduceQuick</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
|
||||
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">add_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">sub_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">mul_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> xcount,</div>
|
||||
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> ycount);</div>
|
||||
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classBigNumberUtil.html#a00c9cde0b626788a60552a6bc9ce058b">reduceQuick_P</a>(limb_t *result, <span class="keyword">const</span> limb_t *x,</div>
|
||||
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> limb_t *y, <span class="keywordtype">size_t</span> size);</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>  <span class="keyword">static</span> limb_t <a class="code" href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">isZero</a>(<span class="keyword">const</span> limb_t *x, <span class="keywordtype">size_t</span> size);</div>
|
||||
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
|
||||
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">private</span>:</div>
|
||||
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// Constructor and destructor are private - cannot instantiate this class.</span></div>
|
||||
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="classBigNumberUtil.html">BigNumberUtil</a>() {}</div>
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||||
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  ~<a class="code" href="classBigNumberUtil.html">BigNumberUtil</a>() {}</div>
|
||||
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> };</div>
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||||
<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> <span class="preprocessor">#endif</span></div>
|
||||
<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#l00734">BigNumberUtil.cpp:734</a></div></div>
|
||||
<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#l00495">BigNumberUtil.cpp:495</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af0fa1527647af42b65eda6b0aab982b3"><div class="ttname"><a href="classBigNumberUtil.html#af0fa1527647af42b65eda6b0aab982b3">BigNumberUtil::sub_P</a></div><div class="ttdeci">static limb_t sub_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00655">BigNumberUtil.cpp:655</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a5af5f50c91594183da4e079d76702d34"><div class="ttname"><a href="classBigNumberUtil.html#a5af5f50c91594183da4e079d76702d34">BigNumberUtil::reduceQuick</a></div><div class="ttdeci">static void reduceQuick(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Reduces x modulo y using subtraction. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00598">BigNumberUtil.cpp:598</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a6618e03bfcb3086961df508b40cc1e67"><div class="ttname"><a href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a></div><div class="ttdeci">static limb_t sub(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00522">BigNumberUtil.cpp:522</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html"><div class="ttname"><a href="classBigNumberUtil.html">BigNumberUtil</a></div><div class="ttdoc">Utilities to assist with implementing big number arithmetic. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8h_source.html#l00071">BigNumberUtil.h:71</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_aacdee1806a239eb9e58753ef1ddb964a"><div class="ttname"><a href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a></div><div class="ttdeci">static void mul_P(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00680">BigNumberUtil.cpp:680</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_af49dd38173ea0310776d283aabea2ba0"><div class="ttname"><a href="classBigNumberUtil.html#af49dd38173ea0310776d283aabea2ba0">BigNumberUtil::packBE</a></div><div class="ttdeci">static void packBE(uint8_t *bytes, size_t len, const limb_t *limbs, size_t count)</div><div class="ttdoc">Packs the big-endian byte representation of a big number into a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00375">BigNumberUtil.cpp:375</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_a1c2c5484f2bf440ae292fd3dfd2d594f"><div class="ttname"><a href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">BigNumberUtil::mul</a></div><div class="ttdeci">static void mul(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00432">BigNumberUtil.cpp:432</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a63f9d7884eb36227d39e1b95e219d865"><div class="ttname"><a href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">BigNumberUtil::unpackBE</a></div><div class="ttdeci">static void unpackBE(limb_t *limbs, size_t count, const uint8_t *bytes, size_t len)</div><div class="ttdoc">Unpacks the big-endian byte representation of a big number into a limb array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00134">BigNumberUtil.cpp:134</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_ad0aafacd8e224bd543341973c62ff1dd"><div class="ttname"><a href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">BigNumberUtil::isZero</a></div><div class="ttdeci">static limb_t isZero(const limb_t *x, size_t size)</div><div class="ttdoc">Determine if a big number is zero. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00647">BigNumberUtil.cpp:647</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_ab9a9f532fcfc182433adac44d8e4ee20"><div class="ttname"><a href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">BigNumberUtil::add_P</a></div><div class="ttdeci">static limb_t add_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Adds two big numbers where one of them is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00514">BigNumberUtil.cpp:514</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a1c2c5484f2bf440ae292fd3dfd2d594f"><div class="ttname"><a href="classBigNumberUtil.html#a1c2c5484f2bf440ae292fd3dfd2d594f">BigNumberUtil::mul</a></div><div class="ttdeci">static void mul(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00546">BigNumberUtil.cpp:546</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a63f9d7884eb36227d39e1b95e219d865"><div class="ttname"><a href="classBigNumberUtil.html#a63f9d7884eb36227d39e1b95e219d865">BigNumberUtil::unpackBE</a></div><div class="ttdeci">static void unpackBE(limb_t *limbs, size_t count, const uint8_t *bytes, size_t len)</div><div class="ttdoc">Unpacks the big-endian byte representation of a big number into a limb array. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00163">BigNumberUtil.cpp:163</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#l00264">BigNumberUtil.cpp:264</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_ad0aafacd8e224bd543341973c62ff1dd"><div class="ttname"><a href="classBigNumberUtil.html#ad0aafacd8e224bd543341973c62ff1dd">BigNumberUtil::isZero</a></div><div class="ttdeci">static limb_t isZero(const limb_t *x, size_t size)</div><div class="ttdoc">Determine if a big number is zero. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00761">BigNumberUtil.cpp:761</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_ab9a9f532fcfc182433adac44d8e4ee20"><div class="ttname"><a href="classBigNumberUtil.html#ab9a9f532fcfc182433adac44d8e4ee20">BigNumberUtil::add_P</a></div><div class="ttdeci">static limb_t add_P(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Adds two big numbers where one of them is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00628">BigNumberUtil.cpp:628</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="line"><a name="l00168"></a><span class="lineno"> 168</span>  clean(state);</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  state.ivSize = 8;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div>
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<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_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#l00182">Poly1305.cpp:182</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#l00113">Poly1305.cpp:113</a></div></div>
|
||||
<div class="ttc" id="classChaCha_html_a6b2bdffbd3705e388bb458edb2f40c90"><div class="ttname"><a href="classChaCha.html#a6b2bdffbd3705e388bb458edb2f40c90">ChaCha::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="ChaCha_8cpp_source.html#l00087">ChaCha.cpp:87</a></div></div>
|
||||
<div class="ttc" id="classChaChaPoly_html_a7c37e683ee0d2f1181007d8bded4f80c"><div class="ttname"><a href="classChaChaPoly.html#a7c37e683ee0d2f1181007d8bded4f80c">ChaChaPoly::~ChaChaPoly</a></div><div class="ttdeci">virtual ~ChaChaPoly()</div><div class="ttdoc">Destroys this ChaChaPoly authenticated cipher. </div><div class="ttdef"><b>Definition:</b> <a href="ChaChaPoly_8cpp_source.html#l00056">ChaChaPoly.cpp:56</a></div></div>
|
||||
<div class="ttc" id="classChaChaPoly_html_a086c2aea395ab31136ebe7805591fd0a"><div class="ttname"><a href="classChaChaPoly.html#a086c2aea395ab31136ebe7805591fd0a">ChaChaPoly::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="ChaChaPoly_8cpp_source.html#l00073">ChaChaPoly.cpp:73</a></div></div>
|
||||
@ -252,18 +252,18 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<div class="ttc" id="classChaChaPoly_html_a4aa3514d1fb6272da977a7467ae6734b"><div class="ttname"><a href="classChaChaPoly.html#a4aa3514d1fb6272da977a7467ae6734b">ChaChaPoly::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="ChaChaPoly_8cpp_source.html#l00127">ChaChaPoly.cpp:127</a></div></div>
|
||||
<div class="ttc" id="classChaChaPoly_html_a7df4acd04f459ecf9d3b24317bde94a3"><div class="ttname"><a href="classChaChaPoly.html#a7df4acd04f459ecf9d3b24317bde94a3">ChaChaPoly::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="ChaChaPoly_8cpp_source.html#l00105">ChaChaPoly.cpp:105</a></div></div>
|
||||
<div class="ttc" id="classChaChaPoly_html_ac3ebfaaaffe9d607905681949e75140d"><div class="ttname"><a href="classChaChaPoly.html#ac3ebfaaaffe9d607905681949e75140d">ChaChaPoly::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>
|
||||
<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#l00145">Poly1305.cpp:145</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#l00164">ChaChaPoly.cpp:164</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#l00116">ChaChaPoly.cpp:116</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#l00265">Poly1305.cpp:265</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#l00254">Poly1305.cpp:254</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#l00268">Poly1305.cpp:268</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#l00150">ChaChaPoly.cpp:150</a></div></div>
|
||||
</div><!-- fragment --></div><!-- contents -->
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||||
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Generated on Sat Mar 26 2016 19:04:40 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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Generated on Thu Aug 18 2016 18:42:10 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
|
||||
</small></address>
|
||||
|
||||
@ -173,7 +173,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -311,7 +311,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</div><!-- fragment --></div><!-- contents -->
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Generated on Sat Mar 26 2016 19:04:40 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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|
||||
@ -170,7 +170,7 @@ 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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||||
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|
||||
@ -232,7 +232,7 @@ 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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||||
@ -162,7 +162,7 @@ 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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||||
@ -160,7 +160,7 @@ 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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</small></address>
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||||
@ -149,7 +149,7 @@ 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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@ -125,7 +125,7 @@ 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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@ -148,7 +148,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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Generated on Sat Mar 26 2016 19:04:40 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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@ -138,7 +138,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -130,7 +130,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -887,10 +887,10 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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||||
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> <span class="preprocessor"></span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> a24[3] PROGMEM = {0x41, 0xDB, 0x01};</div>
|
||||
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_16BIT</span></div>
|
||||
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> <span class="preprocessor"></span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> a24[2] PROGMEM = {0xDB41, 0x0001};</div>
|
||||
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> <span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT || BIGNUMBER_LIMB_64BIT</span></div>
|
||||
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> <span class="preprocessor"></span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> a24[1] PROGMEM = {0x0001DB41};</div>
|
||||
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> <span class="preprocessor">#else</span></div>
|
||||
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="preprocessor"></span><span class="preprocessor"> #error "limb_t must be 8, 16, or 32 bits in size"</span></div>
|
||||
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="preprocessor"></span><span class="preprocessor"> #error "limb_t must be 8, 16, 32, or 64 bits in size"</span></div>
|
||||
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="preprocessor"></span><span class="preprocessor"> #define NUM_A24_LIMBS (sizeof(a24) / sizeof(limb_t))</span></div>
|
||||
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span> <span class="preprocessor"></span></div>
|
||||
@ -1201,7 +1201,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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||||
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  --sel;</div>
|
||||
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span> </div>
|
||||
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  <span class="comment">// Swap the two values based on "select". Algorithm from:</span></div>
|
||||
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="comment">// https://tools.ietf.org/html/draft-irtf-cfrg-curves-02</span></div>
|
||||
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="comment">// http://tools.ietf.org/html/rfc7748</span></div>
|
||||
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  <span class="keywordflow">for</span> (posn = 0; posn < NUM_LIMBS_256BIT; ++posn) {</div>
|
||||
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  dummy = sel & (x[posn] ^ y[posn]);</div>
|
||||
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  x[posn] ^= dummy;</div>
|
||||
@ -1414,51 +1414,50 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span> {</div>
|
||||
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  <span class="comment">// sqrt(-1) mod (2^255 - 19).</span></div>
|
||||
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  <span class="keyword">static</span> limb_t <span class="keyword">const</span> numSqrtM1[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  LIMB(0x4A0EA0B0), LIMB(0xC4EE1B27), LIMB(0xAD2FE478), LIMB(0x2F431806),</div>
|
||||
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  LIMB(0x3DFBD7A7), LIMB(0x2B4D0099), LIMB(0x4FC1DF0B), LIMB(0x2B832480)</div>
|
||||
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  LIMB_PAIR(0x4A0EA0B0, 0xC4EE1B27), LIMB_PAIR(0xAD2FE478, 0x2F431806),</div>
|
||||
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  LIMB_PAIR(0x3DFBD7A7, 0x2B4D0099), LIMB_PAIR(0x4FC1DF0B, 0x2B832480)</div>
|
||||
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  };</div>
|
||||
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  limb_t y[NUM_LIMBS_256BIT];</div>
|
||||
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span> </div>
|
||||
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  <span class="comment">// Algorithm from:</span></div>
|
||||
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  <span class="comment">// https://tools.ietf.org/id/draft-josefsson-eddsa-ed25519-02.txt</span></div>
|
||||
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span> </div>
|
||||
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="comment">// Compute a candidate root: result = x^((p + 3) / 8) mod p.</span></div>
|
||||
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  <span class="comment">// (p + 3) / 8 = (2^252 - 2) which is 251 one bits followed by a zero:</span></div>
|
||||
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  <span class="comment">// 0FFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE</span></div>
|
||||
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  pow250(result, x);</div>
|
||||
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  square(result, result);</div>
|
||||
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  mul(result, result, x);</div>
|
||||
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  square(result, result);</div>
|
||||
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span> </div>
|
||||
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  <span class="comment">// Did we get the square root immediately?</span></div>
|
||||
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  square(y, result);</div>
|
||||
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  <span class="keywordflow">if</span> (memcmp(x, y, <span class="keyword">sizeof</span>(y)) == 0) {</div>
|
||||
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  clean(y);</div>
|
||||
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||||
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  }</div>
|
||||
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span> </div>
|
||||
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  <span class="comment">// Multiply the result by sqrt(-1) and check again.</span></div>
|
||||
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  mul_P(result, result, numSqrtM1);</div>
|
||||
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  square(y, result);</div>
|
||||
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  <span class="keywordflow">if</span> (memcmp(x, y, <span class="keyword">sizeof</span>(y)) == 0) {</div>
|
||||
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  clean(y);</div>
|
||||
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||||
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  }</div>
|
||||
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span> </div>
|
||||
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  <span class="comment">// The number does not have a square root.</span></div>
|
||||
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  clean(y);</div>
|
||||
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||||
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span> }</div>
|
||||
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  <span class="comment">// Algorithm from: http://tools.ietf.org/html/rfc7748</span></div>
|
||||
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span> </div>
|
||||
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  <span class="comment">// Compute a candidate root: result = x^((p + 3) / 8) mod p.</span></div>
|
||||
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="comment">// (p + 3) / 8 = (2^252 - 2) which is 251 one bits followed by a zero:</span></div>
|
||||
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  <span class="comment">// 0FFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE</span></div>
|
||||
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  pow250(result, x);</div>
|
||||
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  square(result, result);</div>
|
||||
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  mul(result, result, x);</div>
|
||||
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  square(result, result);</div>
|
||||
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span> </div>
|
||||
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  <span class="comment">// Did we get the square root immediately?</span></div>
|
||||
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  square(y, result);</div>
|
||||
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  <span class="keywordflow">if</span> (memcmp(x, y, <span class="keyword">sizeof</span>(y)) == 0) {</div>
|
||||
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  clean(y);</div>
|
||||
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||||
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  }</div>
|
||||
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span> </div>
|
||||
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  <span class="comment">// Multiply the result by sqrt(-1) and check again.</span></div>
|
||||
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  mul_P(result, result, numSqrtM1);</div>
|
||||
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  square(y, result);</div>
|
||||
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  <span class="keywordflow">if</span> (memcmp(x, y, <span class="keyword">sizeof</span>(y)) == 0) {</div>
|
||||
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  clean(y);</div>
|
||||
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
||||
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  }</div>
|
||||
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span> </div>
|
||||
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  <span class="comment">// The number does not have a square root.</span></div>
|
||||
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  clean(y);</div>
|
||||
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
||||
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</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#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#l00079">Curve25519.cpp:79</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#l00264">BigNumberUtil.cpp:264</a></div></div>
|
||||
<div class="ttc" id="classCurve25519_html_a2b6911583d17ea9a36bbbb40d58b3d89"><div class="ttname"><a href="classCurve25519.html#a2b6911583d17ea9a36bbbb40d58b3d89">Curve25519::dh1</a></div><div class="ttdeci">static void dh1(uint8_t k[32], uint8_t f[32])</div><div class="ttdoc">Performs phase 1 of a Diffie-Hellman key exchange using Curve25519. </div><div class="ttdef"><b>Definition:</b> <a href="Curve25519_8cpp_source.html#l00244">Curve25519.cpp:244</a></div></div>
|
||||
<div class="ttc" id="classCurve25519_html_a14022d6ac68ec691ffb0247275078ab9"><div class="ttname"><a href="classCurve25519.html#a14022d6ac68ec691ffb0247275078ab9">Curve25519::dh2</a></div><div class="ttdeci">static bool dh2(uint8_t k[32], uint8_t f[32])</div><div class="ttdoc">Performs phase 2 of a Diffie-Hellman key exchange using Curve25519. </div><div class="ttdef"><b>Definition:</b> <a href="Curve25519_8cpp_source.html#l00282">Curve25519.cpp:282</a></div></div>
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@ -301,7 +301,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:41 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -196,7 +196,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:41 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -282,7 +282,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:41 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -186,7 +186,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:41 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -119,38 +119,38 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
|
||||
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">// 37095705934669439343138083508754565189542113879843219016388785533085940283555</span></div>
|
||||
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> numD[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  LIMB(0x135978A3), LIMB(0x75EB4DCA), LIMB(0x4141D8AB), LIMB(0x00700A4D),</div>
|
||||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  LIMB(0x7779E898), LIMB(0x8CC74079), LIMB(0x2B6FFE73), LIMB(0x52036CEE)</div>
|
||||
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  LIMB_PAIR(0x135978A3, 0x75EB4DCA), LIMB_PAIR(0x4141D8AB, 0x00700A4D),</div>
|
||||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  LIMB_PAIR(0x7779E898, 0x8CC74079), LIMB_PAIR(0x2B6FFE73, 0x52036CEE)</div>
|
||||
<div class="line"><a name="l00082"></a><span class="lineno"> 82</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">// d * 2</span></div>
|
||||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> numDx2[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  LIMB(0x26B2F159), LIMB(0xEBD69B94), LIMB(0x8283B156), LIMB(0x00E0149A),</div>
|
||||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  LIMB(0xEEF3D130), LIMB(0x198E80F2), LIMB(0x56DFFCE7), LIMB(0x2406D9DC)</div>
|
||||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  LIMB_PAIR(0x26B2F159, 0xEBD69B94), LIMB_PAIR(0x8283B156, 0x00E0149A),</div>
|
||||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  LIMB_PAIR(0xEEF3D130, 0x198E80F2), LIMB_PAIR(0x56DFFCE7, 0x2406D9DC)</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> </div>
|
||||
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// Extended homogenous co-ordinates for the base point.</span></div>
|
||||
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> numBx[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  LIMB(0x8F25D51A), LIMB(0xC9562D60), LIMB(0x9525A7B2), LIMB(0x692CC760),</div>
|
||||
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  LIMB(0xFDD6DC5C), LIMB(0xC0A4E231), LIMB(0xCD6E53FE), LIMB(0x216936D3)</div>
|
||||
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  LIMB_PAIR(0x8F25D51A, 0xC9562D60), LIMB_PAIR(0x9525A7B2, 0x692CC760),</div>
|
||||
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  LIMB_PAIR(0xFDD6DC5C, 0xC0A4E231), LIMB_PAIR(0xCD6E53FE, 0x216936D3)</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> <span class="keyword">static</span> limb_t <span class="keyword">const</span> numBy[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  LIMB(0x66666658), LIMB(0x66666666), LIMB(0x66666666), LIMB(0x66666666),</div>
|
||||
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  LIMB(0x66666666), LIMB(0x66666666), LIMB(0x66666666), LIMB(0x66666666)</div>
|
||||
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  LIMB_PAIR(0x66666658, 0x66666666), LIMB_PAIR(0x66666666, 0x66666666),</div>
|
||||
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  LIMB_PAIR(0x66666666, 0x66666666), LIMB_PAIR(0x66666666, 0x66666666)</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="keyword">static</span> limb_t <span class="keyword">const</span> numBz[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  LIMB(0x00000001), LIMB(0x00000000), LIMB(0x00000000), LIMB(0x00000000),</div>
|
||||
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  LIMB(0x00000000), LIMB(0x00000000), LIMB(0x00000000), LIMB(0x00000000)</div>
|
||||
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  LIMB_PAIR(0x00000001, 0x00000000), LIMB_PAIR(0x00000000, 0x00000000),</div>
|
||||
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  LIMB_PAIR(0x00000000, 0x00000000), LIMB_PAIR(0x00000000, 0x00000000)</div>
|
||||
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> };</div>
|
||||
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> numBt[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  LIMB(0xA5B7DDA3), LIMB(0x6DDE8AB3), LIMB(0x775152F5), LIMB(0x20F09F80),</div>
|
||||
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  LIMB(0x64ABE37D), LIMB(0x66EA4E8E), LIMB(0xD78B7665), LIMB(0x67875F0F)</div>
|
||||
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  LIMB_PAIR(0xA5B7DDA3, 0x6DDE8AB3), LIMB_PAIR(0x775152F5, 0x20F09F80),</div>
|
||||
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  LIMB_PAIR(0x64ABE37D, 0x66EA4E8E), LIMB_PAIR(0xD78B7665, 0x67875F0F)</div>
|
||||
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> };</div>
|
||||
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
|
||||
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// 2^252 + 27742317777372353535851937790883648493</span></div>
|
||||
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">static</span> limb_t <span class="keyword">const</span> numQ[NUM_LIMBS_256BIT] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  LIMB(0x5CF5D3ED), LIMB(0x5812631A), LIMB(0xA2F79CD6), LIMB(0x14DEF9DE),</div>
|
||||
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  LIMB(0x00000000), LIMB(0x00000000), LIMB(0x00000000), LIMB(0x10000000)</div>
|
||||
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  LIMB_PAIR(0x5CF5D3ED, 0x5812631A), LIMB_PAIR(0xA2F79CD6, 0x14DEF9DE),</div>
|
||||
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  LIMB_PAIR(0x00000000, 0x00000000), LIMB_PAIR(0x00000000, 0x10000000)</div>
|
||||
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> };</div>
|
||||
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
|
||||
<div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classEd25519.html#a36ecf67b4c5d2d39a31888f56af1f8a5"> 127</a></span> <span class="keywordtype">void</span> <a class="code" href="classEd25519.html#a36ecf67b4c5d2d39a31888f56af1f8a5">Ed25519::sign</a>(uint8_t signature[64], <span class="keyword">const</span> uint8_t privateKey[32],</div>
|
||||
@ -291,8 +291,8 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// precision in m, r is at most two subtractions of q away from the</span></div>
|
||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// final result.</span></div>
|
||||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keyword">static</span> limb_t <span class="keyword">const</span> numM[NUM_LIMBS_256BIT + 1] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  LIMB(0x0A2C131B), LIMB(0xED9CE5A3), LIMB(0x086329A7), LIMB(0x2106215D),</div>
|
||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  LIMB(0xFFFFFFEB), LIMB(0xFFFFFFFF), LIMB(0xFFFFFFFF), LIMB(0xFFFFFFFF),</div>
|
||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  LIMB_PAIR(0x0A2C131B, 0xED9CE5A3), LIMB_PAIR(0x086329A7, 0x2106215D),</div>
|
||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  LIMB_PAIR(0xFFFFFFEB, 0xFFFFFFFF), LIMB_PAIR(0xFFFFFFFF, 0xFFFFFFFF),</div>
|
||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  0x0F</div>
|
||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  };</div>
|
||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  limb_t temp[NUM_LIMBS_512BIT + NUM_LIMBS_256BIT + 1];</div>
|
||||
@ -553,25 +553,25 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="comment">// Unpack the first half of the hash value into "a".</span></div>
|
||||
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <a class="code" href="classBigNumberUtil.html#a25041f898c417c8dd63f30536287ed79">BigNumberUtil::unpackLE</a>(a, NUM_LIMBS_256BIT, buf, 32);</div>
|
||||
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> }</div>
|
||||
<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>
|
||||
<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#l00734">BigNumberUtil.cpp:734</a></div></div>
|
||||
<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>
|
||||
<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>
|
||||
<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#l00495">BigNumberUtil.cpp:495</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="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>
|
||||
<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>
|
||||
<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>
|
||||
<div class="ttc" id="classSHA512_html_a7d37a20d7ab431ab15d094f768b6a695"><div class="ttname"><a href="classSHA512.html#a7d37a20d7ab431ab15d094f768b6a695">SHA512::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="SHA512_8cpp_source.html#l00079">SHA512.cpp:79</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a6618e03bfcb3086961df508b40cc1e67"><div class="ttname"><a href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a></div><div class="ttdeci">static limb_t sub(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00408">BigNumberUtil.cpp:408</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_aacdee1806a239eb9e58753ef1ddb964a"><div class="ttname"><a href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a></div><div class="ttdeci">static void mul_P(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00566">BigNumberUtil.cpp:566</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_a6618e03bfcb3086961df508b40cc1e67"><div class="ttname"><a href="classBigNumberUtil.html#a6618e03bfcb3086961df508b40cc1e67">BigNumberUtil::sub</a></div><div class="ttdeci">static limb_t sub(limb_t *result, const limb_t *x, const limb_t *y, size_t size)</div><div class="ttdoc">Subtracts one big number from another. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00522">BigNumberUtil.cpp:522</a></div></div>
|
||||
<div class="ttc" id="classBigNumberUtil_html_aacdee1806a239eb9e58753ef1ddb964a"><div class="ttname"><a href="classBigNumberUtil.html#aacdee1806a239eb9e58753ef1ddb964a">BigNumberUtil::mul_P</a></div><div class="ttdeci">static void mul_P(limb_t *result, const limb_t *x, size_t xcount, const limb_t *y, size_t ycount)</div><div class="ttdoc">Multiplies two big numbers where one is in program memory. </div><div class="ttdef"><b>Definition:</b> <a href="BigNumberUtil_8cpp_source.html#l00680">BigNumberUtil.cpp:680</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="classSHA512_html_afc136ad0e77de527b031db3fb8b32464"><div class="ttname"><a href="classSHA512.html#afc136ad0e77de527b031db3fb8b32464">SHA512::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="SHA512_8cpp_source.html#l00105">SHA512.cpp:105</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#l00264">BigNumberUtil.cpp:264</a></div></div>
|
||||
<div class="ttc" id="classEd25519_html_a36ecf67b4c5d2d39a31888f56af1f8a5"><div class="ttname"><a href="classEd25519.html#a36ecf67b4c5d2d39a31888f56af1f8a5">Ed25519::sign</a></div><div class="ttdeci">static void sign(uint8_t signature[64], const uint8_t privateKey[32], const uint8_t publicKey[32], const void *message, size_t len)</div><div class="ttdoc">Signs a message using a specific Ed25519 private key. </div><div class="ttdef"><b>Definition:</b> <a href="Ed25519_8cpp_source.html#l00127">Ed25519.cpp:127</a></div></div>
|
||||
<div class="ttc" id="classEd25519_html_ab62bac52ed07f77f76f3ff0fccd71cb2"><div class="ttname"><a href="classEd25519.html#ab62bac52ed07f77f76f3ff0fccd71cb2">Ed25519::derivePublicKey</a></div><div class="ttdeci">static void derivePublicKey(uint8_t publicKey[32], const uint8_t privateKey[32])</div><div class="ttdoc">Derives the public key from a private key. </div><div class="ttdef"><b>Definition:</b> <a href="Ed25519_8cpp_source.html#l00256">Ed25519.cpp:256</a></div></div>
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||||
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||||
</a> 1.8.6
|
||||
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||||
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||||
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||||
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</a> 1.8.6
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||||
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||||
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||||
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||||
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</a> 1.8.6
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||||
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||||
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||||
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</a> 1.8.6
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||||
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||||
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||||
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</a> 1.8.6
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||||
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||||
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</a> 1.8.6
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||||
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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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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||||
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</a> 1.8.6
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||||
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</a> 1.8.6
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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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<li class="navelem"><a class="el" href="dir_bc0718b08fb2015b8e59c47b2805f60c.html">libraries</a></li><li class="navelem"><a class="el" href="dir_470c03f38356b1f63943514897cb198b.html">NewHope</a></li> </ul>
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<div class="title">NewHope.h</div> </div>
|
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<div class="contents">
|
||||
<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) 2016 Southern Storm Software, Pty Ltd.</span></div>
|
||||
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
|
||||
<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_NEWHOPE_h</span></div>
|
||||
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define CRYPTO_NEWHOPE_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 <inttypes.h></span></div>
|
||||
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
|
||||
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#define NEWHOPE_SENDABYTES 1824</span></div>
|
||||
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#define NEWHOPE_SENDBBYTES 2048</span></div>
|
||||
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#define NEWHOPE_SHAREDBYTES 32</span></div>
|
||||
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">class </span><a class="code" href="classNewHope.html">NewHope</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"><a class="line" href="classNewHopePoly.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classNewHopePoly.html">NewHopePoly</a></div>
|
||||
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div>
|
||||
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">public</span>:</div>
|
||||
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="classNewHopePoly.html#aec9804046c753436ffbe88afd175bb39">NewHopePoly</a>();</div>
|
||||
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="classNewHopePoly.html#ad7c3c83cb078be4e6f136eeea7e21250">~NewHopePoly</a>();</div>
|
||||
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
|
||||
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">void</span> <a class="code" href="classNewHopePoly.html#a842db1796a45ba78f279e008210df304">clear</a>();</div>
|
||||
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
|
||||
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">private</span>:</div>
|
||||
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  uint16_t coeffs[1024];</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>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classNewHope.html">NewHope</a>;</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> </div>
|
||||
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classNewHope.html"> 48</a></span> <span class="keyword">class </span><a class="code" href="classNewHope.html">NewHope</a></div>
|
||||
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div>
|
||||
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">private</span>:</div>
|
||||
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classNewHope.html">NewHope</a>() {}</div>
|
||||
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  ~<a class="code" href="classNewHope.html">NewHope</a>() {}</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="keyword">public</span>:</div>
|
||||
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classNewHope.html#a679601da301134f037c3a5786bd7085f"> 55</a></span>  <span class="keyword">enum</span> <a class="code" href="classNewHope.html#a679601da301134f037c3a5786bd7085f">Variant</a></div>
|
||||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
|
||||
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classNewHope.html#a679601da301134f037c3a5786bd7085fa2326f3fd76345d5900834593a74f6596"> 57</a></span>  <a class="code" href="classNewHope.html#a679601da301134f037c3a5786bd7085fa2326f3fd76345d5900834593a74f6596">Ref</a>,</div>
|
||||
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classNewHope.html#a679601da301134f037c3a5786bd7085fae270e706968a8e01e5c1cb40422b22c6"> 58</a></span>  <a class="code" href="classNewHope.html#a679601da301134f037c3a5786bd7085fae270e706968a8e01e5c1cb40422b22c6">Torref</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> </div>
|
||||
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classNewHope.html#ae8f821867bce309220aee7a43c2d4f51">keygen</a>(uint8_t send[NEWHOPE_SENDABYTES], <a class="code" href="classNewHopePoly.html">NewHopePoly</a> &sk,</div>
|
||||
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classNewHope.html#a679601da301134f037c3a5786bd7085f">Variant</a> variant = <a class="code" href="classNewHope.html#a679601da301134f037c3a5786bd7085fa2326f3fd76345d5900834593a74f6596">Ref</a>, <span class="keyword">const</span> uint8_t *random_seed = 0);</div>
|
||||
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classNewHope.html#a2f09529f5f73cf9763c28b58b13bbd14">sharedb</a>(uint8_t shared_key[NEWHOPE_SHAREDBYTES],</div>
|
||||
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  uint8_t send[NEWHOPE_SENDBBYTES],</div>
|
||||
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  uint8_t received[NEWHOPE_SENDABYTES],</div>
|
||||
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="classNewHope.html#a679601da301134f037c3a5786bd7085f">Variant</a> variant = <a class="code" href="classNewHope.html#a679601da301134f037c3a5786bd7085fa2326f3fd76345d5900834593a74f6596">Ref</a>, <span class="keyword">const</span> uint8_t *random_seed = 0);</div>
|
||||
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classNewHope.html#ae490ebcfcbc18179b03c1a1ae8874458">shareda</a>(uint8_t shared_key[NEWHOPE_SHAREDBYTES],</div>
|
||||
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> <a class="code" href="classNewHopePoly.html">NewHopePoly</a> &sk,</div>
|
||||
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  uint8_t received[NEWHOPE_SENDBBYTES]);</div>
|
||||
<div class="line"><a name="l00070"></a><span class="lineno"> 70</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="preprocessor">#endif</span></div>
|
||||
<div class="ttc" id="classNewHope_html_a679601da301134f037c3a5786bd7085fae270e706968a8e01e5c1cb40422b22c6"><div class="ttname"><a href="classNewHope.html#a679601da301134f037c3a5786bd7085fae270e706968a8e01e5c1cb40422b22c6">NewHope::Torref</a></div><div class="ttdoc">The alternative "torref" version of the New Hope algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8h_source.html#l00058">NewHope.h:58</a></div></div>
|
||||
<div class="ttc" id="classNewHopePoly_html_ad7c3c83cb078be4e6f136eeea7e21250"><div class="ttname"><a href="classNewHopePoly.html#ad7c3c83cb078be4e6f136eeea7e21250">NewHopePoly::~NewHopePoly</a></div><div class="ttdeci">~NewHopePoly()</div><div class="ttdoc">Clears sensitive data and destroys this "poly" object. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8cpp_source.html#l01064">NewHope.cpp:1064</a></div></div>
|
||||
<div class="ttc" id="classNewHope_html_a679601da301134f037c3a5786bd7085f"><div class="ttname"><a href="classNewHope.html#a679601da301134f037c3a5786bd7085f">NewHope::Variant</a></div><div class="ttdeci">Variant</div><div class="ttdoc">Describes the variant of the New Hope algorithm to implement. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8h_source.html#l00055">NewHope.h:55</a></div></div>
|
||||
<div class="ttc" id="classNewHope_html"><div class="ttname"><a href="classNewHope.html">NewHope</a></div><div class="ttdoc">NewHope post-quantum key exchange algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8h_source.html#l00048">NewHope.h:48</a></div></div>
|
||||
<div class="ttc" id="classNewHope_html_ae8f821867bce309220aee7a43c2d4f51"><div class="ttname"><a href="classNewHope.html#ae8f821867bce309220aee7a43c2d4f51">NewHope::keygen</a></div><div class="ttdeci">static void keygen(uint8_t send[NEWHOPE_SENDABYTES], NewHopePoly &sk, Variant variant=Ref, const uint8_t *random_seed=0)</div><div class="ttdoc">Generates the key pair for Alice in a New Hope key exchange. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8cpp_source.html#l01111">NewHope.cpp:1111</a></div></div>
|
||||
<div class="ttc" id="classNewHopePoly_html_a842db1796a45ba78f279e008210df304"><div class="ttname"><a href="classNewHopePoly.html#a842db1796a45ba78f279e008210df304">NewHopePoly::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears sensitive data in this "poly" object. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8cpp_source.html#l01072">NewHope.cpp:1072</a></div></div>
|
||||
<div class="ttc" id="classNewHope_html_a2f09529f5f73cf9763c28b58b13bbd14"><div class="ttname"><a href="classNewHope.html#a2f09529f5f73cf9763c28b58b13bbd14">NewHope::sharedb</a></div><div class="ttdeci">static void sharedb(uint8_t shared_key[NEWHOPE_SHAREDBYTES], uint8_t send[NEWHOPE_SENDBBYTES], uint8_t received[NEWHOPE_SENDABYTES], Variant variant=Ref, const uint8_t *random_seed=0)</div><div class="ttdoc">Generates the public key and shared secret for Bob. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8cpp_source.html#l01170">NewHope.cpp:1170</a></div></div>
|
||||
<div class="ttc" id="classNewHopePoly_html_aec9804046c753436ffbe88afd175bb39"><div class="ttname"><a href="classNewHopePoly.html#aec9804046c753436ffbe88afd175bb39">NewHopePoly::NewHopePoly</a></div><div class="ttdeci">NewHopePoly()</div><div class="ttdoc">Constructs a new "poly" object for the NewHope algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8cpp_source.html#l01057">NewHope.cpp:1057</a></div></div>
|
||||
<div class="ttc" id="classNewHopePoly_html"><div class="ttname"><a href="classNewHopePoly.html">NewHopePoly</a></div><div class="ttdoc">NewHope polynomial representation. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8h_source.html#l00034">NewHope.h:34</a></div></div>
|
||||
<div class="ttc" id="classNewHope_html_ae490ebcfcbc18179b03c1a1ae8874458"><div class="ttname"><a href="classNewHope.html#ae490ebcfcbc18179b03c1a1ae8874458">NewHope::shareda</a></div><div class="ttdeci">static void shareda(uint8_t shared_key[NEWHOPE_SHAREDBYTES], const NewHopePoly &sk, uint8_t received[NEWHOPE_SENDBBYTES])</div><div class="ttdoc">Generates the shared secret for Alice. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8cpp_source.html#l01231">NewHope.cpp:1231</a></div></div>
|
||||
<div class="ttc" id="classNewHope_html_a679601da301134f037c3a5786bd7085fa2326f3fd76345d5900834593a74f6596"><div class="ttname"><a href="classNewHope.html#a679601da301134f037c3a5786bd7085fa2326f3fd76345d5900834593a74f6596">NewHope::Ref</a></div><div class="ttdoc">The standard "reference" version of the New Hope algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="NewHope_8h_source.html#l00057">NewHope.h:57</a></div></div>
|
||||
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Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
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</a> 1.8.6
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||||
</body>
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</html>
|
||||
@ -138,7 +138,7 @@ 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
|
||||
</small></address>
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|
||||
@ -142,7 +142,7 @@ 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
|
||||
</small></address>
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|
||||
@ -206,7 +206,7 @@ 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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|
||||
@ -171,7 +171,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -208,7 +208,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -152,7 +152,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</a> 1.8.6
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@ -200,22 +200,22 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> };</div>
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||||
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
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||||
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="ttc" id="classP521_html_ac2e07ce7e846ba180938b41b4a2ae563"><div class="ttname"><a href="classP521.html#ac2e07ce7e846ba180938b41b4a2ae563">P521::eval</a></div><div class="ttdeci">static bool eval(uint8_t result[132], const uint8_t f[66], const uint8_t point[132])</div><div class="ttdoc">Evaluates the curve function. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00136">P521.cpp:136</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ac2e07ce7e846ba180938b41b4a2ae563"><div class="ttname"><a href="classP521.html#ac2e07ce7e846ba180938b41b4a2ae563">P521::eval</a></div><div class="ttdeci">static bool eval(uint8_t result[132], const uint8_t f[66], const uint8_t point[132])</div><div class="ttdoc">Evaluates the curve function. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00135">P521.cpp:135</a></div></div>
|
||||
<div class="ttc" id="classP521_html"><div class="ttname"><a href="classP521.html">P521</a></div><div class="ttdoc">Elliptic curve operations with the NIST P-521 curve. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8h_source.html#l00030">P521.h:30</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ae5b727018648e4a165f504024c4ccc45"><div class="ttname"><a href="classP521.html#ae5b727018648e4a165f504024c4ccc45">P521::generatePrivateKey</a></div><div class="ttdeci">static void generatePrivateKey(uint8_t privateKey[66])</div><div class="ttdoc">Generates a private key for P-521 signing operations. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00467">P521.cpp:467</a></div></div>
|
||||
<div class="ttc" id="classP521_html_a7b9d4f74cc2d71a488a33ab165537491"><div class="ttname"><a href="classP521.html#a7b9d4f74cc2d71a488a33ab165537491">P521::dh2</a></div><div class="ttdeci">static bool dh2(const uint8_t k[132], uint8_t f[66])</div><div class="ttdoc">Performs phase 2 of an ECDH key exchange using P-521. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00230">P521.cpp:230</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ae5b727018648e4a165f504024c4ccc45"><div class="ttname"><a href="classP521.html#ae5b727018648e4a165f504024c4ccc45">P521::generatePrivateKey</a></div><div class="ttdeci">static void generatePrivateKey(uint8_t privateKey[66])</div><div class="ttdoc">Generates a private key for P-521 signing operations. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00466">P521.cpp:466</a></div></div>
|
||||
<div class="ttc" id="classP521_html_a7b9d4f74cc2d71a488a33ab165537491"><div class="ttname"><a href="classP521.html#a7b9d4f74cc2d71a488a33ab165537491">P521::dh2</a></div><div class="ttdeci">static bool dh2(const uint8_t k[132], uint8_t f[66])</div><div class="ttdoc">Performs phase 2 of an ECDH key exchange using P-521. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00229">P521.cpp:229</a></div></div>
|
||||
<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>
|
||||
<div class="ttc" id="classP521_html_a5802ebd25142789bb2df930ecd765d39"><div class="ttname"><a href="classP521.html#a5802ebd25142789bb2df930ecd765d39">P521::isValidPrivateKey</a></div><div class="ttdeci">static bool isValidPrivateKey(const uint8_t privateKey[66])</div><div class="ttdoc">Validates a private key value to ensure that it is between 1 and q - 1. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00525">P521.cpp:525</a></div></div>
|
||||
<div class="ttc" id="classP521_html_a15ca802e298c7ff3be06924b0edb7daa"><div class="ttname"><a href="classP521.html#a15ca802e298c7ff3be06924b0edb7daa">P521::derivePublicKey</a></div><div class="ttdeci">static void derivePublicKey(uint8_t publicKey[132], const uint8_t privateKey[66])</div><div class="ttdoc">Derives the public key from a private key for P-521 signing operations. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00498">P521.cpp:498</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ab050ceff65e49b646b8157fe1474288a"><div class="ttname"><a href="classP521.html#ab050ceff65e49b646b8157fe1474288a">P521::sign</a></div><div class="ttdeci">static void sign(uint8_t signature[132], const uint8_t privateKey[66], const void *message, size_t len, Hash *hash=0)</div><div class="ttdoc">Signs a message using a specific P-521 private key. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00277">P521.cpp:277</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ae04c439804f445535295bf44ae56afbf"><div class="ttname"><a href="classP521.html#ae04c439804f445535295bf44ae56afbf">P521::dh1</a></div><div class="ttdeci">static void dh1(uint8_t k[132], uint8_t f[66])</div><div class="ttdoc">Performs phase 1 of an ECDH key exchange using P-521. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00209">P521.cpp:209</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ab075909f5cecbb801c6b7c41f20de223"><div class="ttname"><a href="classP521.html#ab075909f5cecbb801c6b7c41f20de223">P521::verify</a></div><div class="ttdeci">static bool verify(const uint8_t signature[132], const uint8_t publicKey[132], const void *message, size_t len, Hash *hash=0)</div><div class="ttdoc">Verifies a signature using a specific P-521 public key. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00374">P521.cpp:374</a></div></div>
|
||||
<div class="ttc" id="classP521_html_af0bd7851bb15b737a821320b394aec96"><div class="ttname"><a href="classP521.html#af0bd7851bb15b737a821320b394aec96">P521::isValidPublicKey</a></div><div class="ttdeci">static bool isValidPublicKey(const uint8_t publicKey[132])</div><div class="ttdoc">Validates a public key to ensure that it is a valid curve point. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00565">P521.cpp:565</a></div></div>
|
||||
<div class="ttc" id="classP521_html_a5802ebd25142789bb2df930ecd765d39"><div class="ttname"><a href="classP521.html#a5802ebd25142789bb2df930ecd765d39">P521::isValidPrivateKey</a></div><div class="ttdeci">static bool isValidPrivateKey(const uint8_t privateKey[66])</div><div class="ttdoc">Validates a private key value to ensure that it is between 1 and q - 1. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00524">P521.cpp:524</a></div></div>
|
||||
<div class="ttc" id="classP521_html_a15ca802e298c7ff3be06924b0edb7daa"><div class="ttname"><a href="classP521.html#a15ca802e298c7ff3be06924b0edb7daa">P521::derivePublicKey</a></div><div class="ttdeci">static void derivePublicKey(uint8_t publicKey[132], const uint8_t privateKey[66])</div><div class="ttdoc">Derives the public key from a private key for P-521 signing operations. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00497">P521.cpp:497</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ab050ceff65e49b646b8157fe1474288a"><div class="ttname"><a href="classP521.html#ab050ceff65e49b646b8157fe1474288a">P521::sign</a></div><div class="ttdeci">static void sign(uint8_t signature[132], const uint8_t privateKey[66], const void *message, size_t len, Hash *hash=0)</div><div class="ttdoc">Signs a message using a specific P-521 private key. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00276">P521.cpp:276</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ae04c439804f445535295bf44ae56afbf"><div class="ttname"><a href="classP521.html#ae04c439804f445535295bf44ae56afbf">P521::dh1</a></div><div class="ttdeci">static void dh1(uint8_t k[132], uint8_t f[66])</div><div class="ttdoc">Performs phase 1 of an ECDH key exchange using P-521. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00208">P521.cpp:208</a></div></div>
|
||||
<div class="ttc" id="classP521_html_ab075909f5cecbb801c6b7c41f20de223"><div class="ttname"><a href="classP521.html#ab075909f5cecbb801c6b7c41f20de223">P521::verify</a></div><div class="ttdeci">static bool verify(const uint8_t signature[132], const uint8_t publicKey[132], const void *message, size_t len, Hash *hash=0)</div><div class="ttdoc">Verifies a signature using a specific P-521 public key. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00373">P521.cpp:373</a></div></div>
|
||||
<div class="ttc" id="classP521_html_af0bd7851bb15b737a821320b394aec96"><div class="ttname"><a href="classP521.html#af0bd7851bb15b737a821320b394aec96">P521::isValidPublicKey</a></div><div class="ttdeci">static bool isValidPublicKey(const uint8_t publicKey[132])</div><div class="ttdoc">Validates a public key to ensure that it is a valid curve point. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8cpp_source.html#l00564">P521.cpp:564</a></div></div>
|
||||
<div class="ttc" id="classP521_html_a3f045e0b7a483fc557747472ade31298"><div class="ttname"><a href="classP521.html#a3f045e0b7a483fc557747472ade31298">P521::isValidCurvePoint</a></div><div class="ttdeci">static bool isValidCurvePoint(const uint8_t point[132])</div><div class="ttdoc">Validates a point to ensure that it is on the curve. </div><div class="ttdef"><b>Definition:</b> <a href="P521_8h_source.html#l00051">P521.h:51</a></div></div>
|
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</a> 1.8.6
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|
||||
@ -129,233 +129,236 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"></span><span class="preprocessor">#elif BIGNUMBER_LIMB_32BIT</span></div>
|
||||
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"></span><span class="preprocessor">#define lelimbtoh(x) (le32toh((x)))</span></div>
|
||||
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"></span><span class="preprocessor">#define htolelimb(x) (htole32((x)))</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(CRYPTO_LITTLE_ENDIAN)</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span><span class="preprocessor">#define littleToHost(r,size) do { ; } while (0)</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"></span><span class="preprocessor">#define littleToHost(r,size) \</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"> for (uint8_t i = 0; i < (size); ++i) \</span></div>
|
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"> (r)[i] = lelimbtoh((r)[i]); \</span></div>
|
||||
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"> } while (0)</span></div>
|
||||
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2"> 89</a></span> <a class="code" href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2">Poly1305::Poly1305</a>()</div>
|
||||
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div>
|
||||
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  state.chunkSize = 0;</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="l00098"></a><span class="lineno"><a class="line" href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d"> 98</a></span> <a class="code" href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d">Poly1305::~Poly1305</a>()</div>
|
||||
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> {</div>
|
||||
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  clean(state);</div>
|
||||
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div>
|
||||
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
|
||||
<div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8"> 110</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8">Poly1305::reset</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *key)</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="comment">// Copy the key into place and clear the bits we don't need.</span></div>
|
||||
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  uint8_t *r = (uint8_t *)state.r;</div>
|
||||
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  memcpy(r, key, 16);</div>
|
||||
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  r[3] &= 0x0F;</div>
|
||||
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  r[4] &= 0xFC;</div>
|
||||
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  r[7] &= 0x0F;</div>
|
||||
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  r[8] &= 0xFC;</div>
|
||||
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  r[11] &= 0x0F;</div>
|
||||
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  r[12] &= 0xFC;</div>
|
||||
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  r[15] &= 0x0F;</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>  <span class="comment">// Convert into little-endian if necessary.</span></div>
|
||||
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  littleToHost(state.r, NUM_LIMBS_128BIT);</div>
|
||||
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"></span><span class="preprocessor">#elif BIGNUMBER_LIMB_64BIT</span></div>
|
||||
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span><span class="preprocessor">#define lelimbtoh(x) (le64toh((x)))</span></div>
|
||||
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span><span class="preprocessor">#define htolelimb(x) (htole64((x)))</span></div>
|
||||
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"></span><span class="preprocessor">#if defined(CRYPTO_LITTLE_ENDIAN)</span></div>
|
||||
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"></span><span class="preprocessor">#define littleToHost(r,size) do { ; } while (0)</span></div>
|
||||
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"></span><span class="preprocessor">#else</span></div>
|
||||
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"></span><span class="preprocessor">#define littleToHost(r,size) \</span></div>
|
||||
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"> do { \</span></div>
|
||||
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"> for (uint8_t i = 0; i < (size); ++i) \</span></div>
|
||||
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor"> (r)[i] = lelimbtoh((r)[i]); \</span></div>
|
||||
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor"> } while (0)</span></div>
|
||||
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2"> 92</a></span> <a class="code" href="classPoly1305.html#a7d62e7cd2d67f1c72142580036066fa2">Poly1305::Poly1305</a>()</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>  state.chunkSize = 0;</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="l00101"></a><span class="lineno"><a class="line" href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d"> 101</a></span> <a class="code" href="classPoly1305.html#ac021b5ebbc123fa4c0ee36330472c25d">Poly1305::~Poly1305</a>()</div>
|
||||
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div>
|
||||
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  clean(state);</div>
|
||||
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
|
||||
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
|
||||
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8"> 113</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#a544839403d0a19300c239708bc1e6ed8">Poly1305::reset</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *key)</div>
|
||||
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div>
|
||||
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// Copy the key into place and clear the bits we don't need.</span></div>
|
||||
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  uint8_t *r = (uint8_t *)state.r;</div>
|
||||
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  memcpy(r, key, 16);</div>
|
||||
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  r[3] &= 0x0F;</div>
|
||||
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  r[4] &= 0xFC;</div>
|
||||
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  r[7] &= 0x0F;</div>
|
||||
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  r[8] &= 0xFC;</div>
|
||||
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  r[11] &= 0x0F;</div>
|
||||
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  r[12] &= 0xFC;</div>
|
||||
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  r[15] &= 0x0F;</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>  <span class="comment">// Reset the hashing process.</span></div>
|
||||
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  state.chunkSize = 0;</div>
|
||||
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  memset(state.h, 0, <span class="keyword">sizeof</span>(state.h));</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> </div>
|
||||
<div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c"> 142</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c">Poly1305::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="l00143"></a><span class="lineno"> 143</span> {</div>
|
||||
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// Break the input up into 128-bit chunks and process each in turn.</span></div>
|
||||
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> uint8_t *d = (<span class="keyword">const</span> uint8_t *)data;</div>
|
||||
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
||||
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  uint8_t size = 16 - state.chunkSize;</div>
|
||||
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (size > len)</div>
|
||||
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  size = len;</div>
|
||||
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  memcpy(((uint8_t *)state.c) + state.chunkSize, d, size);</div>
|
||||
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  state.chunkSize += size;</div>
|
||||
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  d += size;</div>
|
||||
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (state.chunkSize == 16) {</div>
|
||||
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  state.c[NUM_LIMBS_128BIT] = 1;</div>
|
||||
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  processChunk();</div>
|
||||
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  state.chunkSize = 0;</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="l00161"></a><span class="lineno"> 161</span> }</div>
|
||||
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
|
||||
<div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c"> 179</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c">Poly1305::finalize</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *nonce, <span class="keywordtype">void</span> *token, <span class="keywordtype">size_t</span> len)</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="l00182"></a><span class="lineno"> 182</span>  uint8_t i;</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> </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>  <span class="keywordflow">if</span> (state.chunkSize > 0) {</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>  c[state.chunkSize] = 1;</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>  littleToHost(state.c, NUM_LIMBS_128BIT);</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>  processChunk();</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> </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">// 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>  <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> </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>  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] & ~((limb_t)3)));</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>  <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>  carry += state.h[i];</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>  carry >>= LIMB_BITS;</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>  state.h[i] += (limb_t)carry;</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">// 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>  <span class="comment">// The "minus 2^130" step is implicit.</span></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>  <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>  carry += state.h[i];</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>  carry >>= LIMB_BITS;</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> </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">// 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">// 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">// 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">// 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>  <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 mask = (~((t[NUM_LIMBS_128BIT] >> 2) & 1)) + 1;</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>  <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>  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="l00230"></a><span class="lineno"> 230</span> </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>  memcpy(state.c, nonce, 16);</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>  carry = 0;</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.h[i];</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>  state.h[i] = htolelimb((limb_t)carry);</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>  }</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>  len = 16;</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="l00245"></a><span class="lineno"> 245</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> {</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>  memset(((uint8_t *)state.c) + state.chunkSize, 0, 16 - state.chunkSize);</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>  state.c[NUM_LIMBS_128BIT] = 1;</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>  state.chunkSize = 0;</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="l00261"></a><span class="lineno"> 261</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> {</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="l00269"></a><span class="lineno"> 269</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> {</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> </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> </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="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>  dlimb_t carry = 0;</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>  <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 += state.h[i];</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>  state.h[i] = (limb_t)carry;</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>  }</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">// 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>  <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>  <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="comment">// the modulo reduction step that follows.</span></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>  limb_t word = state.r[0];</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>  carry += ((dlimb_t)(state.h[i])) * word;</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>  carry >>= LIMB_BITS;</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>  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> (i = 1; i < NUM_LIMBS_128BIT; ++i) {</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 = 0;</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 += ((dlimb_t)(state.h[j])) * word;</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>  t[i + j] = (limb_t)carry;</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="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>  }</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">// 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>  <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>  <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>  carry = ((dlimb_t)(t[NUM_LIMBS_128BIT] >> 2)) +</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>  t[NUM_LIMBS_128BIT] &= 0x0003;</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">// 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">// 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">// 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">// 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">// 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>  <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>  <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>  <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>  word = t[i + NUM_LIMBS_130BIT];</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 += t[i];</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>  carry >>= LIMB_BITS;</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>  }</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> </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>  <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_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_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_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#l00265">Poly1305.cpp:265</a></div></div>
|
||||
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// Convert into little-endian if necessary.</span></div>
|
||||
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  littleToHost(state.r, NUM_LIMBS_128BIT);</div>
|
||||
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
|
||||
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// Reset the hashing process.</span></div>
|
||||
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  state.chunkSize = 0;</div>
|
||||
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  memset(state.h, 0, <span class="keyword">sizeof</span>(state.h));</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="l00145"></a><span class="lineno"><a class="line" href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c"> 145</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#ae4e0b647ff93f501bd01459b1616557c">Poly1305::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="l00146"></a><span class="lineno"> 146</span> {</div>
|
||||
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// Break the input up into 128-bit chunks and process each in turn.</span></div>
|
||||
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> uint8_t *d = (<span class="keyword">const</span> uint8_t *)data;</div>
|
||||
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">while</span> (len > 0) {</div>
|
||||
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  uint8_t size = 16 - state.chunkSize;</div>
|
||||
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (size > len)</div>
|
||||
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  size = len;</div>
|
||||
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  memcpy(((uint8_t *)state.c) + state.chunkSize, d, size);</div>
|
||||
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  state.chunkSize += size;</div>
|
||||
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  len -= size;</div>
|
||||
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  d += size;</div>
|
||||
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (state.chunkSize == 16) {</div>
|
||||
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  state.c[NUM_LIMBS_128BIT] = 1;</div>
|
||||
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  processChunk();</div>
|
||||
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  state.chunkSize = 0;</div>
|
||||
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div>
|
||||
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
|
||||
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
|
||||
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
|
||||
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c"> 182</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#aab3fa6c5f6fa7d9ca6c82bead38f499c">Poly1305::finalize</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *nonce, <span class="keywordtype">void</span> *token, <span class="keywordtype">size_t</span> len)</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>  dlimb_t carry;</div>
|
||||
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  uint8_t i;</div>
|
||||
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  limb_t t[NUM_LIMBS_256BIT + 1];</div>
|
||||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
|
||||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// Pad and flush the final chunk.</span></div>
|
||||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (state.chunkSize > 0) {</div>
|
||||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  uint8_t *c = (uint8_t *)state.c;</div>
|
||||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  c[state.chunkSize] = 1;</div>
|
||||
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  memset(c + state.chunkSize + 1, 0, 16 - state.chunkSize - 1);</div>
|
||||
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  state.c[NUM_LIMBS_128BIT] = 0;</div>
|
||||
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  processChunk();</div>
|
||||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</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="comment">// At this point, processChunk() has left h as a partially reduced</span></div>
|
||||
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// result that is less than (2^130 - 5) * 6. Perform one more</span></div>
|
||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// reduction and a trial subtraction to produce the final result.</span></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>  <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="l00203"></a><span class="lineno"> 203</span>  carry = (dlimb_t)((state.h[NUM_LIMBS_128BIT] >> 2) +</div>
|
||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  (state.h[NUM_LIMBS_128BIT] & ~((limb_t)3)));</div>
|
||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  state.h[NUM_LIMBS_128BIT] &= 0x0003;</div>
|
||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  carry += state.h[i];</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>  carry >>= LIMB_BITS;</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>  state.h[i] += (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
|
||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// Subtract (2^130 - 5) from h by computing t = h + 5 - 2^130.</span></div>
|
||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// The "minus 2^130" step is implicit.</span></div>
|
||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  carry = 5;</div>
|
||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  carry += state.h[i];</div>
|
||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  t[i] = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  carry >>= LIMB_BITS;</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>  <span class="comment">// Borrow occurs if bit 2^130 of the previous t result is zero.</span></div>
|
||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// Carefully turn this into a selection mask so we can select either</span></div>
|
||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</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="l00225"></a><span class="lineno"> 225</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="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// We have to do it this way to avoid giving away any information</span></div>
|
||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// about the value of h in the instruction timing.</span></div>
|
||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  limb_t mask = (~((t[NUM_LIMBS_128BIT] >> 2) & 1)) + 1;</div>
|
||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  limb_t nmask = ~mask;</div>
|
||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  state.h[i] = (state.h[i] & nmask) | (t[i] & mask);</div>
|
||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
|
||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
|
||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Add the encrypted nonce and format the final hash.</span></div>
|
||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  memcpy(state.c, nonce, 16);</div>
|
||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  carry += state.h[i];</div>
|
||||
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  carry += state.c[i];</div>
|
||||
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  state.h[i] = htolelimb((limb_t)carry);</div>
|
||||
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
|
||||
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (len > 16)</div>
|
||||
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  len = 16;</div>
|
||||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  memcpy(token, state.h, len);</div>
|
||||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> }</div>
|
||||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
|
||||
<div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388"> 254</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#aaea2f40c1f22dcc2f8f690c793fb4388">Poly1305::pad</a>()</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="keywordflow">if</span> (state.chunkSize != 0) {</div>
|
||||
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  memset(((uint8_t *)state.c) + state.chunkSize, 0, 16 - state.chunkSize);</div>
|
||||
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  littleToHost(state.c, NUM_LIMBS_128BIT);</div>
|
||||
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  state.c[NUM_LIMBS_128BIT] = 1;</div>
|
||||
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  processChunk();</div>
|
||||
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  state.chunkSize = 0;</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> }</div>
|
||||
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
|
||||
<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd"> 268</a></span> <span class="keywordtype">void</span> <a class="code" href="classPoly1305.html#ae3f3392b9a2bd0f3472e7e50dd7e21dd">Poly1305::clear</a>()</div>
|
||||
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> {</div>
|
||||
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  clean(state);</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> </div>
|
||||
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="keywordtype">void</span> Poly1305::processChunk()</div>
|
||||
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> {</div>
|
||||
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  limb_t t[NUM_LIMBS_256BIT + 1];</div>
|
||||
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div>
|
||||
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// Compute h = ((h + c) * r) mod (2^130 - 5).</span></div>
|
||||
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div>
|
||||
<div class="line"><a name="l00282"></a><span class="lineno"> 282</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="l00283"></a><span class="lineno"> 283</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="l00284"></a><span class="lineno"> 284</span>  dlimb_t carry = 0;</div>
|
||||
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  uint8_t i, j;</div>
|
||||
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  carry += state.h[i];</div>
|
||||
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  carry += state.c[i];</div>
|
||||
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  state.h[i] = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
|
||||
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div>
|
||||
<div class="line"><a name="l00293"></a><span class="lineno"> 293</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="l00294"></a><span class="lineno"> 294</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="l00295"></a><span class="lineno"> 295</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="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// the modulo reduction step that follows.</span></div>
|
||||
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  limb_t word = state.r[0];</div>
|
||||
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_130BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  carry += ((dlimb_t)(state.h[i])) * word;</div>
|
||||
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  t[i] = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div>
|
||||
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  t[NUM_LIMBS_130BIT] = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">for</span> (i = 1; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  word = state.r[i];</div>
|
||||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  carry = 0;</div>
|
||||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">for</span> (j = 0; j < NUM_LIMBS_130BIT; ++j) {</div>
|
||||
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  carry += ((dlimb_t)(state.h[j])) * word;</div>
|
||||
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  carry += t[i + j];</div>
|
||||
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  t[i + j] = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  carry >>= LIMB_BITS;</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>  t[i + NUM_LIMBS_130BIT] = (limb_t)carry;</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> </div>
|
||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</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="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// and adding them to the low 130 bits. See the explaination in the</span></div>
|
||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">// comments for Curve25519::reduce() for a description of how this works.</span></div>
|
||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  carry = ((dlimb_t)(t[NUM_LIMBS_128BIT] >> 2)) +</div>
|
||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  (t[NUM_LIMBS_128BIT] & ~((limb_t)3));</div>
|
||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  t[NUM_LIMBS_128BIT] &= 0x0003;</div>
|
||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_LIMBS_128BIT; ++i) {</div>
|
||||
<div class="line"><a name="l00324"></a><span class="lineno"> 324</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="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// multiply it by 5. Breaking it down, we can add the results</span></div>
|
||||
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">// of shifting up by LIMB_BITS and shifting up by (LIMB_BITS - 2).</span></div>
|
||||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// The main wrinkle here is that this can result in an intermediate</span></div>
|
||||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="comment">// carry that is (LIMB_BITS * 2 + 1) bits in size which doesn't</span></div>
|
||||
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">// fit within a dlimb_t variable. However, we can defer adding</span></div>
|
||||
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">// (word << LIMB_BITS) until after the "carry >>= LIMB_BITS" step</span></div>
|
||||
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// because it won't affect the low bits of the carry.</span></div>
|
||||
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  word = t[i + NUM_LIMBS_130BIT];</div>
|
||||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  carry += ((dlimb_t)word) << (LIMB_BITS - 2);</div>
|
||||
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  carry += t[i];</div>
|
||||
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  state.h[i] = (limb_t)carry;</div>
|
||||
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  carry >>= LIMB_BITS;</div>
|
||||
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  carry += word;</div>
|
||||
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div>
|
||||
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  state.h[i] = (limb_t)(carry + t[NUM_LIMBS_128BIT]);</div>
|
||||
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div>
|
||||
<div class="line"><a name="l00341"></a><span class="lineno"> 341</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="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// or it is at most 5 subtractions away from the answer we want.</span></div>
|
||||
<div class="line"><a name="l00343"></a><span class="lineno"> 343</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="l00344"></a><span class="lineno"> 344</span>  <span class="comment">// still within a range where the next h * r step will not overflow.</span></div>
|
||||
<div class="line"><a name="l00345"></a><span class="lineno"> 345</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#l00182">Poly1305.cpp:182</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#l00113">Poly1305.cpp:113</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#l00145">Poly1305.cpp:145</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#l00254">Poly1305.cpp:254</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#l00101">Poly1305.cpp:101</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#l00092">Poly1305.cpp:92</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#l00268">Poly1305.cpp:268</a></div></div>
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:41 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -143,17 +143,17 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
<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="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_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_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#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_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#l00265">Poly1305.cpp:265</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#l00182">Poly1305.cpp:182</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#l00113">Poly1305.cpp:113</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#l00145">Poly1305.cpp:145</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#l00254">Poly1305.cpp:254</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#l00101">Poly1305.cpp:101</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#l00092">Poly1305.cpp:92</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#l00268">Poly1305.cpp:268</a></div></div>
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:41 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
@ -155,7 +155,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
</div><!-- fragment --></div><!-- contents -->
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated on Sat Mar 26 2016 19:04:41 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
Generated on Thu Aug 18 2016 18:42:10 for ArduinoLibs by  <a href="http://www.doxygen.org/index.html">
|
||||
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
||||
</a> 1.8.6
|
||||
</small></address>
|
||||
|
||||
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