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https://github.com/taigrr/arduinolibs
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Update docs
This commit is contained in:
Rhys Weatherley
@@ -89,7 +89,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</div><!--header-->
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015,2018 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
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@@ -169,13 +169,211 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// Helper macros.</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#define KCORE(n) \</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"> AESCommon::keyScheduleCore(temp, schedule + 12, (n)); \</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor"> schedule[0] ^= temp[0]; \</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor"> schedule[1] ^= temp[1]; \</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor"> schedule[2] ^= temp[2]; \</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor"> schedule[3] ^= temp[3]; \</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor"> } while (0)</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor"></span><span class="preprocessor">#define KXOR(a, b) \</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor"> schedule[(a) * 4] ^= schedule[(b) * 4]; \</span></div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor"> schedule[(a) * 4 + 1] ^= schedule[(b) * 4 + 1]; \</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor"> schedule[(a) * 4 + 2] ^= schedule[(b) * 4 + 2]; \</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor"> schedule[(a) * 4 + 3] ^= schedule[(b) * 4 + 3]; \</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor"> } while (0)</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classAESTiny128.html#a24682489d5af52f16c7ba2bc4b1116e8"> 150</a></span> <a class="code" href="classAESTiny128.html#a24682489d5af52f16c7ba2bc4b1116e8">AESTiny128::AESTiny128</a>()</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> {</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> </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> AESTiny128::~AESTiny128()</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  clean(schedule);</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> </div>
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<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="classAESTiny128.html#ad00941c5ed48c413b30636420fd42a2e"> 163</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classAESTiny128.html#ad00941c5ed48c413b30636420fd42a2e">AESTiny128::blockSize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> 16;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="classAESTiny128.html#a6ff732873f0df88d93c3f7df1fb7a168"> 172</a></span> <span class="keywordtype">size_t</span> <a class="code" href="classAESTiny128.html#a6ff732873f0df88d93c3f7df1fb7a168">AESTiny128::keySize</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> 16;</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
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<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classAESTiny128.html#a475b147be367e6053ff64e30bf79694c"> 177</a></span> <span class="keywordtype">bool</span> <a class="code" href="classAESTiny128.html#a475b147be367e6053ff64e30bf79694c">AESTiny128::setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len)</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> {</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (len == 16) {</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Make a copy of the key - it will be expanded in encryptBlock().</span></div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  memcpy(schedule, key, 16);</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
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<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="classAESTiny128.html#a9e343baf2c3c815f8482222c52ebb3a3"> 187</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESTiny128.html#a9e343baf2c3c815f8482222c52ebb3a3">AESTiny128::encryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> {</div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  uint8_t schedule[16];</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  uint8_t posn;</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  uint8_t round;</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  uint8_t state1[16];</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  uint8_t state2[16];</div>
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<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  uint8_t temp[4];</div>
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<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// Start with the key in the schedule buffer.</span></div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  memcpy(schedule, this->schedule, 16);</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">// Copy the input into the state and XOR with the key schedule.</span></div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  state1[posn] = input[posn] ^ schedule[posn];</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// Perform the first 9 rounds of the cipher.</span></div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">for</span> (round = 1; round <= 9; ++round) {</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// Expand the next 16 bytes of the key schedule.</span></div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  KCORE(round);</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  KXOR(1, 0);</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  KXOR(2, 1);</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  KXOR(3, 2);</div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// Encrypt using the key schedule.</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  AESCommon::subBytesAndShiftRows(state2, state1);</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  AESCommon::mixColumn(state1, state2);</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  AESCommon::mixColumn(state1 + 4, state2 + 4);</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  AESCommon::mixColumn(state1 + 8, state2 + 8);</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  AESCommon::mixColumn(state1 + 12, state2 + 12);</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  state1[posn] ^= schedule[posn];</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Expand the final 16 bytes of the key schedule.</span></div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  KCORE(10);</div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  KXOR(1, 0);</div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  KXOR(2, 1);</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  KXOR(3, 2);</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// Perform the final round.</span></div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  AESCommon::subBytesAndShiftRows(state2, state1);</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  output[posn] = state2[posn] ^ schedule[posn];</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> }</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
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<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classAESTiny128.html#a631c417a0f12c7e43f633c555b950182"> 233</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESTiny128.html#a631c417a0f12c7e43f633c555b950182">AESTiny128::decryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> {</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// Decryption is not supported by AESTiny128.</span></div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
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<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classAESTiny128.html#a17e56d025f9e55041150953d8561c793"> 238</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESTiny128.html#a17e56d025f9e55041150953d8561c793">AESTiny128::clear</a>()</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> {</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  clean(schedule);</div>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
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<div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="classAESSmall128.html#abfa3d897d55524dadb1afbdc45eaed5e"> 269</a></span> <a class="code" href="classAESSmall128.html#abfa3d897d55524dadb1afbdc45eaed5e">AESSmall128::AESSmall128</a>()</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> {</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> }</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> AESSmall128::~AESSmall128()</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> {</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  clean(reverse);</div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> }</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div>
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<div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="classAESSmall128.html#a6ca13e59f88498c8c3da338e76f47de5"> 278</a></span> <span class="keywordtype">bool</span> <a class="code" href="classAESSmall128.html#a6ca13e59f88498c8c3da338e76f47de5">AESSmall128::setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len)</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> {</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  uint8_t *schedule;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  uint8_t round;</div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  uint8_t temp[4];</div>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// Set the encryption key first.</span></div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> (!<a class="code" href="classAESTiny128.html#a475b147be367e6053ff64e30bf79694c">AESTiny128::setKey</a>(key, len))</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// Expand the key schedule up to the last round which gives</span></div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// us the round keys to use for the final two rounds. We can</span></div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// then work backwards from there in decryptBlock().</span></div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  schedule = reverse;</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  memcpy(schedule, key, 16);</div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">for</span> (round = 1; round <= 10; ++round) {</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  KCORE(round);</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  KXOR(1, 0);</div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  KXOR(2, 1);</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  KXOR(3, 2);</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> </div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// Key is ready to go.</span></div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> }</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div>
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<div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="classAESSmall128.html#aabdb20c638b2107b5b5e3e41dc6dae26"> 304</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESSmall128.html#aabdb20c638b2107b5b5e3e41dc6dae26">AESSmall128::decryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</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>  uint8_t schedule[16];</div>
|
||||
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  uint8_t round;</div>
|
||||
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  uint8_t posn;</div>
|
||||
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  uint8_t state1[16];</div>
|
||||
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  uint8_t state2[16];</div>
|
||||
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  uint8_t temp[4];</div>
|
||||
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div>
|
||||
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">// Start with the end of the decryption schedule.</span></div>
|
||||
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  memcpy(schedule, reverse, 16);</div>
|
||||
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
|
||||
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// Copy the input into the state and reverse the final round.</span></div>
|
||||
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
||||
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  state1[posn] = input[posn] ^ schedule[posn];</div>
|
||||
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  AESCommon::inverseShiftRowsAndSubBytes(state2, state1);</div>
|
||||
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  KXOR(3, 2);</div>
|
||||
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  KXOR(2, 1);</div>
|
||||
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  KXOR(1, 0);</div>
|
||||
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  KCORE(10);</div>
|
||||
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div>
|
||||
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">// Perform the next 9 rounds of the decryption process.</span></div>
|
||||
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">for</span> (round = 9; round >= 1; --round) {</div>
|
||||
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// Decrypt using the key schedule.</span></div>
|
||||
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
||||
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  state2[posn] ^= schedule[posn];</div>
|
||||
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  AESCommon::inverseMixColumn(state1, state2);</div>
|
||||
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  AESCommon::inverseMixColumn(state1 + 4, state2 + 4);</div>
|
||||
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  AESCommon::inverseMixColumn(state1 + 8, state2 + 8);</div>
|
||||
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  AESCommon::inverseMixColumn(state1 + 12, state2 + 12);</div>
|
||||
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  AESCommon::inverseShiftRowsAndSubBytes(state2, state1);</div>
|
||||
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div>
|
||||
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// Expand the next 16 bytes of the key schedule in reverse.</span></div>
|
||||
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  KXOR(3, 2);</div>
|
||||
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  KXOR(2, 1);</div>
|
||||
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  KXOR(1, 0);</div>
|
||||
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  KCORE(round);</div>
|
||||
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div>
|
||||
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div>
|
||||
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="comment">// Reverse the initial round and create the output words.</span></div>
|
||||
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">for</span> (posn = 0; posn < 16; ++posn)</div>
|
||||
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  output[posn] = state2[posn] ^ schedule[posn];</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> </div>
|
||||
<div class="line"><a name="l00348"></a><span class="lineno"><a class="line" href="classAESSmall128.html#a215b28599d388c2149aba2206d40863d"> 348</a></span> <span class="keywordtype">void</span> <a class="code" href="classAESSmall128.html#a215b28599d388c2149aba2206d40863d">AESSmall128::clear</a>()</div>
|
||||
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> {</div>
|
||||
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  clean(reverse);</div>
|
||||
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <a class="code" href="classAESTiny128.html#a17e56d025f9e55041150953d8561c793">AESTiny128::clear</a>();</div>
|
||||
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> }</div>
|
||||
<div class="ttc" id="classAESTiny128_html_a6ff732873f0df88d93c3f7df1fb7a168"><div class="ttname"><a href="classAESTiny128.html#a6ff732873f0df88d93c3f7df1fb7a168">AESTiny128::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 128-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00172">AES128.cpp:172</a></div></div>
|
||||
<div class="ttc" id="classAESTiny128_html_a17e56d025f9e55041150953d8561c793"><div class="ttname"><a href="classAESTiny128.html#a17e56d025f9e55041150953d8561c793">AESTiny128::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00238">AES128.cpp:238</a></div></div>
|
||||
<div class="ttc" id="classAESSmall128_html_aabdb20c638b2107b5b5e3e41dc6dae26"><div class="ttname"><a href="classAESSmall128.html#aabdb20c638b2107b5b5e3e41dc6dae26">AESSmall128::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00304">AES128.cpp:304</a></div></div>
|
||||
<div class="ttc" id="classAESTiny128_html_a9e343baf2c3c815f8482222c52ebb3a3"><div class="ttname"><a href="classAESTiny128.html#a9e343baf2c3c815f8482222c52ebb3a3">AESTiny128::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00187">AES128.cpp:187</a></div></div>
|
||||
<div class="ttc" id="classAES128_html_aa871832a156f0ea61b964e489670ae9d"><div class="ttname"><a href="classAES128.html#aa871832a156f0ea61b964e489670ae9d">AES128::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Size of a 128-bit AES key in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00055">AES128.cpp:55</a></div></div>
|
||||
<div class="ttc" id="classAESTiny128_html_a631c417a0f12c7e43f633c555b950182"><div class="ttname"><a href="classAESTiny128.html#a631c417a0f12c7e43f633c555b950182">AESTiny128::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00233">AES128.cpp:233</a></div></div>
|
||||
<div class="ttc" id="classAESSmall128_html_a215b28599d388c2149aba2206d40863d"><div class="ttname"><a href="classAESSmall128.html#a215b28599d388c2149aba2206d40863d">AESSmall128::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00348">AES128.cpp:348</a></div></div>
|
||||
<div class="ttc" id="classAES128_html_a42d7548eb5084a2c3e2d5aa5f6f98ba4"><div class="ttname"><a href="classAES128.html#a42d7548eb5084a2c3e2d5aa5f6f98ba4">AES128::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00060">AES128.cpp:60</a></div></div>
|
||||
<div class="ttc" id="classAESTiny128_html_ad00941c5ed48c413b30636420fd42a2e"><div class="ttname"><a href="classAESTiny128.html#ad00941c5ed48c413b30636420fd42a2e">AESTiny128::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of an AES block in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00163">AES128.cpp:163</a></div></div>
|
||||
<div class="ttc" id="classAESTiny128_html_a24682489d5af52f16c7ba2bc4b1116e8"><div class="ttname"><a href="classAESTiny128.html#a24682489d5af52f16c7ba2bc4b1116e8">AESTiny128::AESTiny128</a></div><div class="ttdeci">AESTiny128()</div><div class="ttdoc">Constructs an AES 128-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00150">AES128.cpp:150</a></div></div>
|
||||
<div class="ttc" id="classAESTiny128_html_a475b147be367e6053ff64e30bf79694c"><div class="ttname"><a href="classAESTiny128.html#a475b147be367e6053ff64e30bf79694c">AESTiny128::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00177">AES128.cpp:177</a></div></div>
|
||||
<div class="ttc" id="classAES128_html_af826ce33301767919bb60f27ad3ff693"><div class="ttname"><a href="classAES128.html#af826ce33301767919bb60f27ad3ff693">AES128::AES128</a></div><div class="ttdeci">AES128()</div><div class="ttdoc">Constructs an AES 128-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00040">AES128.cpp:40</a></div></div>
|
||||
<div class="ttc" id="classAESSmall128_html_a6ca13e59f88498c8c3da338e76f47de5"><div class="ttname"><a href="classAESSmall128.html#a6ca13e59f88498c8c3da338e76f47de5">AESSmall128::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00278">AES128.cpp:278</a></div></div>
|
||||
<div class="ttc" id="classAESSmall128_html_abfa3d897d55524dadb1afbdc45eaed5e"><div class="ttname"><a href="classAESSmall128.html#abfa3d897d55524dadb1afbdc45eaed5e">AESSmall128::AESSmall128</a></div><div class="ttdeci">AESSmall128()</div><div class="ttdoc">Constructs an AES 128-bit block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="AES128_8cpp_source.html#l00269">AES128.cpp:269</a></div></div>
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