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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// sha3.cpp - modified by Wei Dai from Ronny Van Keer's public domain Keccak-simple.c</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// all modifications here are placed in the public domain by Wei Dai</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/*</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">The Keccak sponge function, designed by Guido Bertoni, Joan Daemen,</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">Michael Peeters and Gilles Van Assche. For more information, feedback or</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">questions, please refer to our website: http://keccak.noekeon.org/</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">Implementation by Ronny Van Keer,</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">hereby denoted as "the implementer".</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">To the extent possible under law, the implementer has waived all copyright</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">and related or neighboring rights to the source code in this file.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">http://creativecommons.org/publicdomain/zero/1.0/</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">*/</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="pch_8h.html">pch.h</a>"</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="sha3_8h.html">sha3.h</a>"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">static</span> <span class="keyword">const</span> word64 KeccakF_RoundConstants[24] =</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  W64LIT(0x0000000000000001), W64LIT(0x0000000000008082), W64LIT(0x800000000000808a),</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  W64LIT(0x8000000080008000), W64LIT(0x000000000000808b), W64LIT(0x0000000080000001),</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  W64LIT(0x8000000080008081), W64LIT(0x8000000000008009), W64LIT(0x000000000000008a),</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  W64LIT(0x0000000000000088), W64LIT(0x0000000080008009), W64LIT(0x000000008000000a),</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  W64LIT(0x000000008000808b), W64LIT(0x800000000000008b), W64LIT(0x8000000000008089),</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  W64LIT(0x8000000000008003), W64LIT(0x8000000000008002), W64LIT(0x8000000000000080),</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  W64LIT(0x000000000000800a), W64LIT(0x800000008000000a), W64LIT(0x8000000080008081),</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  W64LIT(0x8000000000008080), W64LIT(0x0000000080000001), W64LIT(0x8000000080008008)</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> };</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">static</span> <span class="keywordtype">void</span> KeccakF1600(word64 *state)</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>  {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  word64 Aba, Abe, Abi, Abo, Abu;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  word64 Aga, Age, Agi, Ago, Agu;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  word64 Aka, Ake, Aki, Ako, Aku;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  word64 Ama, Ame, Ami, Amo, Amu;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  word64 Asa, Ase, Asi, Aso, Asu;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  word64 BCa, BCe, BCi, BCo, BCu;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  word64 Da, De, Di, Do, Du;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  word64 Eba, Ebe, Ebi, Ebo, Ebu;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  word64 Ega, Ege, Egi, Ego, Egu;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  word64 Eka, Eke, Eki, Eko, Eku;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  word64 Ema, Eme, Emi, Emo, Emu;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  word64 Esa, Ese, Esi, Eso, Esu;</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="comment">//copyFromState(A, state)</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">typedef</span> <a class="code" href="struct_block_get_and_put.html">BlockGetAndPut<word64, LittleEndian, true, true></a> <a class="code" href="struct_block_get_and_put.html">Block</a>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  Block::Get(state)(Aba)(Abe)(Abi)(Abo)(Abu)(Aga)(Age)(Agi)(Ago)(Agu)(Aka)(Ake)(Aki)(Ako)(Aku)(Ama)(Ame)(Ami)(Amo)(Amu)(Asa)(Ase)(Asi)(Aso)(Asu);</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="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> round = 0; round < 24; round += 2 )</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// prepareTheta</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  BCa = Aba^Aga^Aka^Ama^Asa;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  BCe = Abe^Age^Ake^Ame^Ase;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  BCi = Abi^Agi^Aki^Ami^Asi;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  BCo = Abo^Ago^Ako^Amo^Aso;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  BCu = Abu^Agu^Aku^Amu^Asu;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">//thetaRhoPiChiIotaPrepareTheta(round , A, E)</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  Da = BCu^rotlConstant<1>(BCe);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  De = BCa^rotlConstant<1>(BCi);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  Di = BCe^rotlConstant<1>(BCo);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  Do = BCi^rotlConstant<1>(BCu);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  Du = BCo^rotlConstant<1>(BCa);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  Aba ^= Da;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  BCa = Aba;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  Age ^= De;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  BCe = rotlConstant<44>(Age);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  Aki ^= Di;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  BCi = rotlConstant<43>(Aki);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  Amo ^= Do;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  BCo = rotlConstant<21>(Amo);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  Asu ^= Du;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  BCu = rotlConstant<14>(Asu);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Eba = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  Eba ^= (word64)KeccakF_RoundConstants[round];</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  Ebe = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  Ebi = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  Ebo = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  Ebu = BCu ^((~BCa)& BCe );</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  Abo ^= Do;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  BCa = rotlConstant<28>(Abo);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  Agu ^= Du;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  BCe = rotlConstant<20>(Agu);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  Aka ^= Da;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  BCi = rotlConstant<3>(Aka);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  Ame ^= De;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  BCo = rotlConstant<45>(Ame);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  Asi ^= Di;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  BCu = rotlConstant<61>(Asi);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Ega = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  Ege = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  Egi = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  Ego = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  Egu = BCu ^((~BCa)& BCe );</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>  Abe ^= De;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  BCa = rotlConstant<1>(Abe);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Agi ^= Di;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  BCe = rotlConstant<6>(Agi);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  Ako ^= Do;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  BCi = rotlConstant<25>(Ako);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  Amu ^= Du;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  BCo = rotlConstant<8>(Amu);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  Asa ^= Da;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  BCu = rotlConstant<18>(Asa);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  Eka = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  Eke = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  Eki = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  Eko = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  Eku = BCu ^((~BCa)& BCe );</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  Abu ^= Du;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  BCa = rotlConstant<27>(Abu);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  Aga ^= Da;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  BCe = rotlConstant<36>(Aga);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  Ake ^= De;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  BCi = rotlConstant<10>(Ake);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  Ami ^= Di;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  BCo = rotlConstant<15>(Ami);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  Aso ^= Do;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  BCu = rotlConstant<56>(Aso);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  Ema = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  Eme = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  Emi = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  Emo = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  Emu = BCu ^((~BCa)& BCe );</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  Abi ^= Di;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  BCa = rotlConstant<62>(Abi);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  Ago ^= Do;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  BCe = rotlConstant<55>(Ago);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  Aku ^= Du;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  BCi = rotlConstant<39>(Aku);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  Ama ^= Da;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  BCo = rotlConstant<41>(Ama);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  Ase ^= De;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  BCu = rotlConstant<2>(Ase);</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  Esa = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  Ese = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  Esi = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  Eso = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  Esu = BCu ^((~BCa)& BCe );</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// prepareTheta</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  BCa = Eba^Ega^Eka^Ema^Esa;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  BCe = Ebe^Ege^Eke^Eme^Ese;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  BCi = Ebi^Egi^Eki^Emi^Esi;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  BCo = Ebo^Ego^Eko^Emo^Eso;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  BCu = Ebu^Egu^Eku^Emu^Esu;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">//thetaRhoPiChiIotaPrepareTheta(round+1, E, A)</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  Da = BCu^rotlConstant<1>(BCe);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  De = BCa^rotlConstant<1>(BCi);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  Di = BCe^rotlConstant<1>(BCo);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  Do = BCi^rotlConstant<1>(BCu);</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  Du = BCo^rotlConstant<1>(BCa);</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>  Eba ^= Da;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  BCa = Eba;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  Ege ^= De;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  BCe = rotlConstant<44>(Ege);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  Eki ^= Di;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  BCi = rotlConstant<43>(Eki);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  Emo ^= Do;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  BCo = rotlConstant<21>(Emo);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  Esu ^= Du;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  BCu = rotlConstant<14>(Esu);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  Aba = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  Aba ^= (word64)KeccakF_RoundConstants[round+1];</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  Abe = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  Abi = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  Abo = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  Abu = BCu ^((~BCa)& BCe );</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>  Ebo ^= Do;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  BCa = rotlConstant<28>(Ebo);</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  Egu ^= Du;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  BCe = rotlConstant<20>(Egu);</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  Eka ^= Da;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  BCi = rotlConstant<3>(Eka);</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  Eme ^= De;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  BCo = rotlConstant<45>(Eme);</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  Esi ^= Di;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  BCu = rotlConstant<61>(Esi);</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  Aga = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  Age = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  Agi = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  Ago = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  Agu = BCu ^((~BCa)& BCe );</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>  Ebe ^= De;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  BCa = rotlConstant<1>(Ebe);</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  Egi ^= Di;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  BCe = rotlConstant<6>(Egi);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  Eko ^= Do;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  BCi = rotlConstant<25>(Eko);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  Emu ^= Du;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  BCo = rotlConstant<8>(Emu);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  Esa ^= Da;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  BCu = rotlConstant<18>(Esa);</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  Aka = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  Ake = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  Aki = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  Ako = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  Aku = BCu ^((~BCa)& BCe );</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  Ebu ^= Du;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  BCa = rotlConstant<27>(Ebu);</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  Ega ^= Da;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  BCe = rotlConstant<36>(Ega);</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  Eke ^= De;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  BCi = rotlConstant<10>(Eke);</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  Emi ^= Di;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  BCo = rotlConstant<15>(Emi);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  Eso ^= Do;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  BCu = rotlConstant<56>(Eso);</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  Ama = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  Ame = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  Ami = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  Amo = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  Amu = BCu ^((~BCa)& BCe );</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>  Ebi ^= Di;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  BCa = rotlConstant<62>(Ebi);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  Ego ^= Do;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  BCe = rotlConstant<55>(Ego);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  Eku ^= Du;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  BCi = rotlConstant<39>(Eku);</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  Ema ^= Da;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  BCo = rotlConstant<41>(Ema);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  Ese ^= De;</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  BCu = rotlConstant<2>(Ese);</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  Asa = BCa ^((~BCe)& BCi );</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  Ase = BCe ^((~BCi)& BCo );</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  Asi = BCi ^((~BCo)& BCu );</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  Aso = BCo ^((~BCu)& BCa );</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  Asu = BCu ^((~BCa)& BCe );</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">//copyToState(state, A)</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="class_put_block.html">Block::Put</a>(NULLPTR, state)(Aba)(Abe)(Abi)(Abo)(Abu)(Aga)(Age)(Agi)(Ago)(Agu)(Aka)(Ake)(Aki)(Ako)(Aku)(Ama)(Ame)(Ami)(Amo)(Amu)(Asa)(Ase)(Asi)(Aso)(Asu);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"><a class="line" href="class_s_h_a3.html#a8b20793010bc9056ede658e8bc48be2a"> 252</a></span> <span class="keywordtype">void</span> <a class="code" href="class_s_h_a3.html#a8b20793010bc9056ede658e8bc48be2a">SHA3::Update</a>(<span class="keyword">const</span> byte *input, <span class="keywordtype">size_t</span> length)</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>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>((input && length) || !(input || length));</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (!length) { <span class="keywordflow">return</span>; }</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">size_t</span> spaceLeft;</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">while</span> (length >= (spaceLeft = r() - m_counter))</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>  <span class="keywordflow">if</span> (spaceLeft)</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(m_state.<a class="code" href="class_sec_block.html#a5565f51350846fb7224720c403674216">BytePtr</a>() + m_counter, input, spaceLeft);</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  KeccakF1600(m_state);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  input += spaceLeft;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  length -= spaceLeft;</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  m_counter = 0;</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (length)</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(m_state.<a class="code" href="class_sec_block.html#a5565f51350846fb7224720c403674216">BytePtr</a>() + m_counter, input, length);</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  m_counter += (<span class="keywordtype">unsigned</span> int)length;</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="l00273"></a><span class="lineno"><a class="line" href="class_s_h_a3.html#aa7a2855fbda16730e10977a61a7b23ca"> 273</a></span> <span class="keywordtype">void</span> <a class="code" href="class_s_h_a3.html#aa7a2855fbda16730e10977a61a7b23ca">SHA3::Restart</a>()</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>  memset(m_state, 0, m_state.<a class="code" href="class_sec_block.html#a93e1256d8021ba4ab9007ea4e19ae8c2">SizeInBytes</a>());</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  m_counter = 0;</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> </div><div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="class_s_h_a3.html#a2f74f5713e1e62456d175eeeb353ce94"> 279</a></span> <span class="keywordtype">void</span> <a class="code" href="class_s_h_a3.html#a2f74f5713e1e62456d175eeeb353ce94">SHA3::TruncatedFinal</a>(byte *hash, <span class="keywordtype">size_t</span> size)</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> {</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  ThrowIfInvalidTruncatedSize(size);</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  m_state.<a class="code" href="class_sec_block.html#a5565f51350846fb7224720c403674216">BytePtr</a>()[m_counter] ^= 0x06;</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  m_state.<a class="code" href="class_sec_block.html#a5565f51350846fb7224720c403674216">BytePtr</a>()[r()-1] ^= 0x80;</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  KeccakF1600(m_state);</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  memcpy(hash, m_state, size);</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <a class="code" href="class_s_h_a3.html#aa7a2855fbda16730e10977a61a7b23ca">Restart</a>();</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> NAMESPACE_END</div><div class="ttc" id="class_sec_block_html_a93e1256d8021ba4ab9007ea4e19ae8c2"><div class="ttname"><a href="class_sec_block.html#a93e1256d8021ba4ab9007ea4e19ae8c2">SecBlock::SizeInBytes</a></div><div class="ttdeci">size_type SizeInBytes() const</div><div class="ttdoc">Provides the number of bytes in the SecBlock. </div><div class="ttdef"><b>Definition:</b> <a href="secblock_8h_source.html#l00575">secblock.h:575</a></div></div>
<div class="ttc" id="struct_block_get_and_put_html"><div class="ttname"><a href="struct_block_get_and_put.html">BlockGetAndPut</a></div><div class="ttdoc">Access a block of memory. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l02402">misc.h:2402</a></div></div>
<div class="ttc" id="sha3_8h_html"><div class="ttname"><a href="sha3_8h.html">sha3.h</a></div><div class="ttdoc">Classes for SHA3 message digests. </div></div>
<div class="ttc" id="pch_8h_html"><div class="ttname"><a href="pch_8h.html">pch.h</a></div><div class="ttdoc">Precompiled header file. </div></div>
<div class="ttc" id="class_s_h_a3_html_aa7a2855fbda16730e10977a61a7b23ca"><div class="ttname"><a href="class_s_h_a3.html#aa7a2855fbda16730e10977a61a7b23ca">SHA3::Restart</a></div><div class="ttdeci">void Restart()</div><div class="ttdoc">Restart the hash. </div><div class="ttdef"><b>Definition:</b> <a href="sha3_8cpp_source.html#l00273">sha3.cpp:273</a></div></div>
<div class="ttc" id="class_s_h_a3_html_a2f74f5713e1e62456d175eeeb353ce94"><div class="ttname"><a href="class_s_h_a3.html#a2f74f5713e1e62456d175eeeb353ce94">SHA3::TruncatedFinal</a></div><div class="ttdeci">void TruncatedFinal(byte *hash, size_t size)</div><div class="ttdoc">Computes the hash of the current message. </div><div class="ttdef"><b>Definition:</b> <a href="sha3_8cpp_source.html#l00279">sha3.cpp:279</a></div></div>
<div class="ttc" id="trap_8h_html_adf3b392588bc94cbeae9f415a78c7b95"><div class="ttname"><a href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a></div><div class="ttdeci">#define CRYPTOPP_ASSERT(exp)</div><div class="ttdoc">Debugging and diagnostic assertion. </div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00060">trap.h:60</a></div></div>
<div class="ttc" id="misc_8h_html_a6aaae7768600b9d735a5e1b8192035f8"><div class="ttname"><a href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a></div><div class="ttdeci">void xorbuf(byte *buf, const byte *mask, size_t count)</div><div class="ttdoc">Performs an XOR of a buffer with a mask. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8cpp_source.html#l00032">misc.cpp:32</a></div></div>
<div class="ttc" id="class_s_h_a3_html_a8b20793010bc9056ede658e8bc48be2a"><div class="ttname"><a href="class_s_h_a3.html#a8b20793010bc9056ede658e8bc48be2a">SHA3::Update</a></div><div class="ttdeci">void Update(const byte *input, size_t length)</div><div class="ttdoc">Updates a hash with additional input. </div><div class="ttdef"><b>Definition:</b> <a href="sha3_8cpp_source.html#l00252">sha3.cpp:252</a></div></div>
<div class="ttc" id="class_put_block_html"><div class="ttname"><a href="class_put_block.html">PutBlock</a></div><div class="ttdoc">Access a block of memory. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l02365">misc.h:2365</a></div></div>
<div class="ttc" id="namespace_crypto_p_p_html"><div class="ttname"><a href="namespace_crypto_p_p.html">CryptoPP</a></div><div class="ttdoc">Crypto++ library namespace. </div></div>
<div class="ttc" id="class_sec_block_html_a5565f51350846fb7224720c403674216"><div class="ttname"><a href="class_sec_block.html#a5565f51350846fb7224720c403674216">SecBlock::BytePtr</a></div><div class="ttdeci">byte * BytePtr()</div><div class="ttdoc">Provides a byte pointer to the first element in the memory block. </div><div class="ttdef"><b>Definition:</b> <a href="secblock_8h_source.html#l00568">secblock.h:568</a></div></div>
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