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 <span id="projectnumber">7.0</span>
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<div id="projectbrief">Free C++ class library of cryptographic schemes</div>
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<div class="title">shark.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// shark.cpp - originally written and placed in the public domain by Wei Dai</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "<a class="code" href="pch_8h.html">pch.h</a>"</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "<a class="code" href="shark_8h.html">shark.h</a>"</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "<a class="code" href="misc_8h.html">misc.h</a>"</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="modes_8h.html">modes.h</a>"</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="gf256_8h.html">gf256.h</a>"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"># pragma GCC diagnostic ignored "-Wmissing-braces"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">static</span> word64 SHARKTransform(word64 a)</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="keyword">static</span> <span class="keyword">const</span> byte iG[8][8] = {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  0xe7, 0x30, 0x90, 0x85, 0xd0, 0x4b, 0x91, 0x41,</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  0x53, 0x95, 0x9b, 0xa5, 0x96, 0xbc, 0xa1, 0x68,</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  0x02, 0x45, 0xf7, 0x65, 0x5c, 0x1f, 0xb6, 0x52,</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  0xa2, 0xca, 0x22, 0x94, 0x44, 0x63, 0x2a, 0xa2,</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  0xfc, 0x67, 0x8e, 0x10, 0x29, 0x75, 0x85, 0x71,</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  0x24, 0x45, 0xa2, 0xcf, 0x2f, 0x22, 0xc1, 0x0e,</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  0xa1, 0xf1, 0x71, 0x40, 0x91, 0x27, 0x18, 0xa5,</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  0x56, 0xf4, 0xaf, 0x32, 0xd2, 0xa4, 0xdc, 0x71,</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</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>  word64 result=0;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="class_g_f256.html">GF256</a> gf256(0xf5);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<8; i++)</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j=0; j<8; j++)</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  result ^= word64(gf256.Multiply(iG[i][j], GF256::Element(a>>(56-8*j)))) << (56-8*i);</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> }</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="keywordtype">void</span> SHARK::Base::UncheckedSetKey(<span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> keyLen, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &params)</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  AssertValidKeyLength(keyLen);</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>  m_rounds = GetRoundsAndThrowIfInvalid(params, <span class="keyword">this</span>);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  m_roundKeys.New(m_rounds+1);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// concatenate key enought times to fill a</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<(m_rounds+1)*8; i++)</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  ((byte *)m_roundKeys.begin())[i] = key[i%keyLen];</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>  <a class="code" href="class_block_cipher_final.html">SHARK::Encryption</a> e;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  e.InitForKeySetup();</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  byte <a class="code" href="namespace_name.html#a9b6839240a8bdf1f5bcbebf1866f4733">IV</a>[8] = {0,0,0,0,0,0,0,0};</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="class_cipher_mode_final_template___external_cipher.html">CFB_Mode_ExternalCipher::Encryption</a> cfb(e, <a class="code" href="namespace_name.html#a9b6839240a8bdf1f5bcbebf1866f4733">IV</a>);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  cfb.ProcessString((byte *)m_roundKeys.begin(), (m_rounds+1)*8);</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>  <a class="code" href="misc_8h.html#a8e499ded4f2e7e7705c3cfd39cdf137f">ConditionalByteReverse</a>(<a class="code" href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142baf0c3bb6c718cc7ff0bffef4e8f178c57">BIG_ENDIAN_ORDER</a>, m_roundKeys.begin(), m_roundKeys.begin(), (m_rounds+1)*8);</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>  m_roundKeys[m_rounds] = SHARKTransform(m_roundKeys[m_rounds]);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (!IsForwardTransformation())</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// transform encryption round keys into decryption round keys</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">for</span> (i=0; i<m_rounds/2; i++)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::swap(m_roundKeys[i], m_roundKeys[m_rounds-i]);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">for</span> (i=1; i<m_rounds; i++)</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  m_roundKeys[i] = SHARKTransform(m_roundKeys[i]);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</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> <span class="preprocessor">#ifdef CRYPTOPP_LITTLE_ENDIAN</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  m_roundKeys[0] = <a class="code" href="misc_8h.html#a1d8d5adca8384ebedc699760ce217b08">ByteReverse</a>(m_roundKeys[0]);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  m_roundKeys[m_rounds] = <a class="code" href="misc_8h.html#a1d8d5adca8384ebedc699760ce217b08">ByteReverse</a>(m_roundKeys[m_rounds]);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment">// construct an SHARK_Enc object with fixed round keys, to be used to initialize actual round keys</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keywordtype">void</span> SHARK::Enc::InitForKeySetup()</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  m_rounds = DEFAULT_ROUNDS;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  m_roundKeys.New(DEFAULT_ROUNDS+1);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<DEFAULT_ROUNDS; i++)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  m_roundKeys[i] = cbox[0][i];</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  m_roundKeys[DEFAULT_ROUNDS] = SHARKTransform(cbox[0][DEFAULT_ROUNDS]);</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> <span class="preprocessor">#ifdef CRYPTOPP_LITTLE_ENDIAN</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  m_roundKeys[0] = <a class="code" href="misc_8h.html#a1d8d5adca8384ebedc699760ce217b08">ByteReverse</a>(m_roundKeys[0]);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  m_roundKeys[m_rounds] = <a class="code" href="misc_8h.html#a1d8d5adca8384ebedc699760ce217b08">ByteReverse</a>(m_roundKeys[m_rounds]);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#endif</span></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> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keywordtype">void</span> SHARK::Enc::ProcessAndXorBlock(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock)<span class="keyword"> const</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword"></span>{</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(<a class="code" href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a>(inBlock,GetAlignmentOf<word64>()));</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  word64 tmp = *(word64 *)(<span class="keywordtype">void</span> *)inBlock ^ m_roundKeys[0];</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142b">ByteOrder</a> order = <a class="code" href="misc_8h.html#aed8336b0d98f2469441837be6cbbebf9">GetNativeByteOrder</a>();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  tmp = cbox[0][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 0)] ^ cbox[1][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 1)]</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  ^ cbox[2][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 2)] ^ cbox[3][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 3)]</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  ^ cbox[4][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 4)] ^ cbox[5][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 5)]</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  ^ cbox[6][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 6)] ^ cbox[7][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 7)]</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ^ m_roundKeys[1];</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>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=2; i<m_rounds; i++)</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>  tmp = cbox[0][GETBYTE(tmp, 7)] ^ cbox[1][GETBYTE(tmp, 6)]</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  ^ cbox[2][GETBYTE(tmp, 5)] ^ cbox[3][GETBYTE(tmp, 4)]</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  ^ cbox[4][GETBYTE(tmp, 3)] ^ cbox[5][GETBYTE(tmp, 2)]</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  ^ cbox[6][GETBYTE(tmp, 1)] ^ cbox[7][GETBYTE(tmp, 0)]</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  ^ m_roundKeys[i];</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="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="class_put_block.html">PutBlock<byte, BigEndian></a>(xorBlock, outBlock)</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  (sbox[GETBYTE(tmp, 7)])</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  (sbox[GETBYTE(tmp, 6)])</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  (sbox[GETBYTE(tmp, 5)])</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  (sbox[GETBYTE(tmp, 4)])</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  (sbox[GETBYTE(tmp, 3)])</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  (sbox[GETBYTE(tmp, 2)])</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  (sbox[GETBYTE(tmp, 1)])</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  (sbox[GETBYTE(tmp, 0)]);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(<a class="code" href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a>(outBlock,GetAlignmentOf<word64>()));</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  *(word64 *)(<span class="keywordtype">void</span> *)outBlock ^= m_roundKeys[m_rounds];</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="keywordtype">void</span> SHARK::Dec::ProcessAndXorBlock(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock)<span class="keyword"> const</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword"></span>{</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(<a class="code" href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a>(inBlock,GetAlignmentOf<word64>()));</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  word64 tmp = *(word64 *)(<span class="keywordtype">void</span> *)inBlock ^ m_roundKeys[0];</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>  <a class="code" href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142b">ByteOrder</a> order = <a class="code" href="misc_8h.html#aed8336b0d98f2469441837be6cbbebf9">GetNativeByteOrder</a>();</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  tmp = cbox[0][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 0)] ^ cbox[1][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 1)]</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  ^ cbox[2][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 2)] ^ cbox[3][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 3)]</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ^ cbox[4][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 4)] ^ cbox[5][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 5)]</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  ^ cbox[6][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 6)] ^ cbox[7][<a class="code" href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a>(order, tmp, 7)]</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  ^ m_roundKeys[1];</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=2; i<m_rounds; i++)</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  {</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  tmp = cbox[0][GETBYTE(tmp, 7)] ^ cbox[1][GETBYTE(tmp, 6)]</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  ^ cbox[2][GETBYTE(tmp, 5)] ^ cbox[3][GETBYTE(tmp, 4)]</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  ^ cbox[4][GETBYTE(tmp, 3)] ^ cbox[5][GETBYTE(tmp, 2)]</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  ^ cbox[6][GETBYTE(tmp, 1)] ^ cbox[7][GETBYTE(tmp, 0)]</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  ^ m_roundKeys[i];</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="class_put_block.html">PutBlock<byte, BigEndian></a>(xorBlock, outBlock)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  (sbox[GETBYTE(tmp, 7)])</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  (sbox[GETBYTE(tmp, 6)])</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  (sbox[GETBYTE(tmp, 5)])</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  (sbox[GETBYTE(tmp, 4)])</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  (sbox[GETBYTE(tmp, 3)])</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  (sbox[GETBYTE(tmp, 2)])</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  (sbox[GETBYTE(tmp, 1)])</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  (sbox[GETBYTE(tmp, 0)]);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(<a class="code" href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a>(outBlock,GetAlignmentOf<word64>()));</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  *(word64 *)(<span class="keywordtype">void</span> *)outBlock ^= m_roundKeys[m_rounds];</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="l00163"></a><span class="lineno"> 163</span> NAMESPACE_END</div><div class="ttc" id="class_cipher_mode_final_template___external_cipher_html"><div class="ttname"><a href="class_cipher_mode_final_template___external_cipher.html">CipherModeFinalTemplate_ExternalCipher</a></div><div class="ttdef"><b>Definition:</b> <a href="modes_8h_source.html#l00315">modes.h:315</a></div></div>
<div class="ttc" id="misc_8h_html"><div class="ttname"><a href="misc_8h.html">misc.h</a></div><div class="ttdoc">Utility functions for the Crypto++ library. </div></div>
<div class="ttc" id="cryptlib_8h_html_aaeb92d42f5a6e27b8ba19f18d69d142b"><div class="ttname"><a href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142b">ByteOrder</a></div><div class="ttdeci">ByteOrder</div><div class="ttdoc">Provides the byte ordering. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00140">cryptlib.h:140</a></div></div>
<div class="ttc" id="modes_8h_html"><div class="ttname"><a href="modes_8h.html">modes.h</a></div><div class="ttdoc">Classes for block cipher modes of operation. </div></div>
<div class="ttc" id="class_g_f256_html"><div class="ttname"><a href="class_g_f256.html">GF256</a></div><div class="ttdoc">GF(256) with polynomial basis. </div><div class="ttdef"><b>Definition:</b> <a href="gf256_8h_source.html#l00015">gf256.h:15</a></div></div>
<div class="ttc" id="misc_8h_html_a726c3b76265182681f5d5fd173ab5676"><div class="ttname"><a href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a></div><div class="ttdeci">bool IsAlignedOn(const void *ptr, unsigned int alignment)</div><div class="ttdoc">Determines whether ptr is aligned to a minimum value. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l01030">misc.h:1030</a></div></div>
<div class="ttc" id="misc_8h_html_a8e499ded4f2e7e7705c3cfd39cdf137f"><div class="ttname"><a href="misc_8h.html#a8e499ded4f2e7e7705c3cfd39cdf137f">ConditionalByteReverse</a></div><div class="ttdeci">T ConditionalByteReverse(ByteOrder order, T value)</div><div class="ttdoc">Reverses bytes in a value depending upon endianness. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l01979">misc.h:1979</a></div></div>
<div class="ttc" id="class_block_cipher_final_html"><div class="ttname"><a href="class_block_cipher_final.html">BlockCipherFinal< ENCRYPTION, Enc ></a></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="cryptlib_8h_html_aaeb92d42f5a6e27b8ba19f18d69d142baf0c3bb6c718cc7ff0bffef4e8f178c57"><div class="ttname"><a href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142baf0c3bb6c718cc7ff0bffef4e8f178c57">BIG_ENDIAN_ORDER</a></div><div class="ttdoc">byte order is big-endian </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00144">cryptlib.h:144</a></div></div>
<div class="ttc" id="gf256_8h_html"><div class="ttname"><a href="gf256_8h.html">gf256.h</a></div><div class="ttdoc">Classes and functions for schemes over GF(256) </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="namespace_name_html_a9b6839240a8bdf1f5bcbebf1866f4733"><div class="ttname"><a href="namespace_name.html#a9b6839240a8bdf1f5bcbebf1866f4733">Name::IV</a></div><div class="ttdeci">const char * IV()</div><div class="ttdoc">ConstByteArrayParameter, also accepts const byte * for backwards compatibility. </div><div class="ttdef"><b>Definition:</b> <a href="argnames_8h_source.html#l00021">argnames.h:21</a></div></div>
<div class="ttc" id="misc_8h_html_aed8336b0d98f2469441837be6cbbebf9"><div class="ttname"><a href="misc_8h.html#aed8336b0d98f2469441837be6cbbebf9">GetNativeByteOrder</a></div><div class="ttdeci">ByteOrder GetNativeByteOrder()</div><div class="ttdoc">Returns NativeByteOrder as an enumerated ByteOrder value. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l01063">misc.h:1063</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="shark_8h_html"><div class="ttname"><a href="shark_8h.html">shark.h</a></div><div class="ttdoc">Classes for the SHARK block cipher. </div></div>
<div class="ttc" id="misc_8h_html_a9a2ceb73851e757cb436cdbaa0242219"><div class="ttname"><a href="misc_8h.html#a9a2ceb73851e757cb436cdbaa0242219">GetByte</a></div><div class="ttdeci">unsigned int GetByte(ByteOrder order, T value, unsigned int index)</div><div class="ttdoc">Gets a byte from a value. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l01827">misc.h:1827</a></div></div>
<div class="ttc" id="misc_8h_html_a1d8d5adca8384ebedc699760ce217b08"><div class="ttname"><a href="misc_8h.html#a1d8d5adca8384ebedc699760ce217b08">ByteReverse</a></div><div class="ttdeci">byte ByteReverse(byte value)</div><div class="ttdoc">Reverses bytes in a 8-bit value. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l01838">misc.h:1838</a></div></div>
<div class="ttc" id="class_name_value_pairs_html"><div class="ttname"><a href="class_name_value_pairs.html">NameValuePairs</a></div><div class="ttdoc">Interface for retrieving values given their names. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00290">cryptlib.h:290</a></div></div>
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