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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">crc.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">// crc.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="config_8h.html">config.h</a>"</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "<a class="code" href="crc_8h.html">crc.h</a>"</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="misc_8h.html">misc.h</a>"</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="cpu_8h.html">cpu.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> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// crc-simd.cpp</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#if (CRYPTOPP_ARM_CRC32_AVAILABLE)</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> CRC32_Update_ARMV8(<span class="keyword">const</span> byte *s, <span class="keywordtype">size_t</span> n, word32& c);</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> CRC32C_Update_ARMV8(<span class="keyword">const</span> byte *s, <span class="keywordtype">size_t</span> n, word32& c);</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#endif</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="comment">// crc-simd.cpp</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#if (CRYPTOPP_SSE42_AVAILABLE)</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> CRC32C_Update_SSE42(<span class="keyword">const</span> byte *s, <span class="keywordtype">size_t</span> n, word32& c);</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#endif</span></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="comment">/* Table of CRC-32's of all single byte values (made by makecrc.c) */</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">const</span> word32 CRC32::m_tab[] = {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifdef CRYPTOPP_LITTLE_ENDIAN</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  0xe0d5e91eL, 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class="line"><a name="l00098"></a><span class="lineno"> 98</span>  0x41a5df4aL, 0xd795d83dL, 0x6dc4d1a4L, 0xfbf4d6d3L, 0x6ae96943L,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  0xfcd96e34L, 0x468867adL, 0xd0b860daL, 0x732d0444L, 0xe51d0333L,</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  0x5f4c0aaaL, 0xc97c0dddL, 0x3c710550L, 0xaa410227L, 0x10100bbeL,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  0x86200cc9L, 0x25b56857L, 0xb3856f20L, 0x09d466b9L, 0x9fe461ceL,</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  0x0ef9de5eL, 0x98c9d929L, 0x2298d0b0L, 0xb4a8d7c7L, 0x173db359L,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  0x810db42eL, 0x3b5cbdb7L, 0xad6cbac0L, 0x2083b8edL, 0xb6b3bf9aL,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  0x0ce2b603L, 0x9ad2b174L, 0x3947d5eaL, 0xaf77d29dL, 0x1526db04L,</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  0x8316dc73L, 0x120b63e3L, 0x843b6494L, 0x3e6a6d0dL, 0xa85a6a7aL,</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  0x0bcf0ee4L, 0x9dff0993L, 0x27ae000aL, 0xb19e077dL, 0x44930ff0L,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  0xd2a30887L, 0x68f2011eL, 0xfec20669L, 0x5d5762f7L, 0xcb676580L,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  0x71366c19L, 0xe7066b6eL, 0x761bd4feL, 0xe02bd389L, 0x5a7ada10L,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  0xcc4add67L, 0x6fdfb9f9L, 0xf9efbe8eL, 0x43beb717L, 0xd58eb060L,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  0xe8a3d6d6L, 0x7e93d1a1L, 0xc4c2d838L, 0x52f2df4fL, 0xf167bbd1L,</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  0x6757bca6L, 0xdd06b53fL, 0x4b36b248L, 0xda2b0dd8L, 0x4c1b0aafL,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  0xf64a0336L, 0x607a0441L, 0xc3ef60dfL, 0x55df67a8L, 0xef8e6e31L,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  0x79be6946L, 0x8cb361cbL, 0x1a8366bcL, 0xa0d26f25L, 0x36e26852L,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  0x95770cccL, 0x03470bbbL, 0xb9160222L, 0x2f260555L, 0xbe3bbac5L,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  0x280bbdb2L, 0x925ab42bL, 0x046ab35cL, 0xa7ffd7c2L, 0x31cfd0b5L,</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  0x8b9ed92cL, 0x1daede5bL, 0xb0c2649bL, 0x26f263ecL, 0x9ca36a75L,</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  0x0a936d02L, 0xa906099cL, 0x3f360eebL, 0x85670772L, 0x13570005L,</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  0x824abf95L, 0x147ab8e2L, 0xae2bb17bL, 0x381bb60cL, 0x9b8ed292L,</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  0x0dbed5e5L, 0xb7efdc7cL, 0x21dfdb0bL, 0xd4d2d386L, 0x42e2d4f1L,</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  0xf8b3dd68L, 0x6e83da1fL, 0xcd16be81L, 0x5b26b9f6L, 0xe177b06fL,</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  0x7747b718L, 0xe65a0888L, 0x706a0fffL, 0xca3b0666L, 0x5c0b0111L,</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  0xff9e658fL, 0x69ae62f8L, 0xd3ff6b61L, 0x45cf6c16L, 0x78e20aa0L,</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  0xeed20dd7L, 0x5483044eL, 0xc2b30339L, 0x612667a7L, 0xf71660d0L,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  0x4d476949L, 0xdb776e3eL, 0x4a6ad1aeL, 0xdc5ad6d9L, 0x660bdf40L,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  0xf03bd837L, 0x53aebca9L, 0xc59ebbdeL, 0x7fcfb247L, 0xe9ffb530L,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  0x1cf2bdbdL, 0x8ac2bacaL, 0x3093b353L, 0xa6a3b424L, 0x0536d0baL,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  0x9306d7cdL, 0x2957de54L, 0xbf67d923L, 0x2e7a66b3L, 0xb84a61c4L,</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  0x021b685dL, 0x942b6f2aL, 0x37be0bb4L, 0xa18e0cc3L, 0x1bdf055aL,</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  0x8def022dL</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> };</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> CRC32::CRC32()</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>  Reset();</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="class_c_r_c32.html#abd642abba82cf63edb025461bc1af8c0"> 138</a></span> <span class="keywordtype">void</span> <a class="code" href="class_c_r_c32.html#abd642abba82cf63edb025461bc1af8c0">CRC32::Update</a>(<span class="keyword">const</span> byte *s, <span class="keywordtype">size_t</span> n)</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="preprocessor">#if (CRYPTOPP_ARM_CRC32_AVAILABLE)</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (<a class="code" href="cpu_8h.html#a84c5040b823753bcd1f5413af059f22c">HasCRC32</a>())</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  CRC32_Update_ARMV8(s, n, m_crc);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  word32 crc = m_crc;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">for</span>(; !IsAligned<word32>(s) && n > 0; n--)</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  crc = m_tab[CRC32_INDEX(crc) ^ *s++] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">while</span> (n >= 4)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  crc ^= *(<span class="keyword">const</span> word32 *)(<span class="keywordtype">void</span>*)s;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  n -= 4; s += 4;</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>  <span class="keywordflow">while</span> (n--)</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  crc = m_tab[CRC32_INDEX(crc) ^ *s++] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  m_crc = crc;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="class_c_r_c32.html#ab6f1523fe38d6f1b690888aab1675982"> 169</a></span> <span class="keywordtype">void</span> <a class="code" href="class_c_r_c32.html#ab6f1523fe38d6f1b690888aab1675982">CRC32::TruncatedFinal</a>(byte *hash, <span class="keywordtype">size_t</span> size)</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ThrowIfInvalidTruncatedSize(size);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  m_crc ^= CRC32_NEGL;</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<size; i++)</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  hash[i] = GetCrcByte(i);</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  Reset();</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> }</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// Castagnoli CRC32C (iSCSI)</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">const</span> word32 CRC32C::m_tab[] = {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#ifdef CRYPTOPP_LITTLE_ENDIAN</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  0x00000000L, 0xf26b8303L, 0xe13b70f7L, 0x1350f3f4L, 0xc79a971fL,</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  0x35f1141cL, 0x26a1e7e8L, 0xd4ca64ebL, 0x8ad958cfL, 0x78b2dbccL,</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  0x6be22838L, 0x9989ab3bL, 0x4d43cfd0L, 0xbf284cd3L, 0xac78bf27L,</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  0x5e133c24L, 0x105ec76fL, 0xe235446cL, 0xf165b798L, 0x030e349bL,</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  0xd7c45070L, 0x25afd373L, 0x36ff2087L, 0xc494a384L, 0x9a879fa0L,</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  0x68ec1ca3L, 0x7bbcef57L, 0x89d76c54L, 0x5d1d08bfL, 0xaf768bbcL,</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  0xbc267848L, 0x4e4dfb4bL, 0x20bd8edeL, 0xd2d60dddL, 0xc186fe29L,</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  0x33ed7d2aL, 0xe72719c1L, 0x154c9ac2L, 0x061c6936L, 0xf477ea35L,</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  0xaa64d611L, 0x580f5512L, 0x4b5fa6e6L, 0xb93425e5L, 0x6dfe410eL,</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  0x9f95c20dL, 0x8cc531f9L, 0x7eaeb2faL, 0x30e349b1L, 0xc288cab2L,</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  0xd1d83946L, 0x23b3ba45L, 0xf779deaeL, 0x05125dadL, 0x1642ae59L,</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  0xe4292d5aL, 0xba3a117eL, 0x4851927dL, 0x5b016189L, 0xa96ae28aL,</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  0x7da08661L, 0x8fcb0562L, 0x9c9bf696L, 0x6ef07595L, 0x417b1dbcL,</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  0xb3109ebfL, 0xa0406d4bL, 0x522bee48L, 0x86e18aa3L, 0x748a09a0L,</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  0x67dafa54L, 0x95b17957L, 0xcba24573L, 0x39c9c670L, 0x2a993584L,</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  0xd8f2b687L, 0x0c38d26cL, 0xfe53516fL, 0xed03a29bL, 0x1f682198L,</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  0x5125dad3L, 0xa34e59d0L, 0xb01eaa24L, 0x42752927L, 0x96bf4dccL,</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  0x64d4cecfL, 0x77843d3bL, 0x85efbe38L, 0xdbfc821cL, 0x2997011fL,</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  0x3ac7f2ebL, 0xc8ac71e8L, 0x1c661503L, 0xee0d9600L, 0xfd5d65f4L,</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  0x0f36e6f7L, 0x61c69362L, 0x93ad1061L, 0x80fde395L, 0x72966096L,</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  0xa65c047dL, 0x5437877eL, 0x4767748aL, 0xb50cf789L, 0xeb1fcbadL,</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  0x197448aeL, 0x0a24bb5aL, 0xf84f3859L, 0x2c855cb2L, 0xdeeedfb1L,</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  0xcdbe2c45L, 0x3fd5af46L, 0x7198540dL, 0x83f3d70eL, 0x90a324faL,</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  0x62c8a7f9L, 0xb602c312L, 0x44694011L, 0x5739b3e5L, 0xa55230e6L,</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  0xfb410cc2L, 0x092a8fc1L, 0x1a7a7c35L, 0xe811ff36L, 0x3cdb9bddL,</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  0xceb018deL, 0xdde0eb2aL, 0x2f8b6829L, 0x82f63b78L, 0x709db87bL,</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  0x63cd4b8fL, 0x91a6c88cL, 0x456cac67L, 0xb7072f64L, 0xa457dc90L,</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  0x563c5f93L, 0x082f63b7L, 0xfa44e0b4L, 0xe9141340L, 0x1b7f9043L,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  0xcfb5f4a8L, 0x3dde77abL, 0x2e8e845fL, 0xdce5075cL, 0x92a8fc17L,</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  0x60c37f14L, 0x73938ce0L, 0x81f80fe3L, 0x55326b08L, 0xa759e80bL,</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  0xb4091bffL, 0x466298fcL, 0x1871a4d8L, 0xea1a27dbL, 0xf94ad42fL,</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  0x0b21572cL, 0xdfeb33c7L, 0x2d80b0c4L, 0x3ed04330L, 0xccbbc033L,</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  0xa24bb5a6L, 0x502036a5L, 0x4370c551L, 0xb11b4652L, 0x65d122b9L,</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  0x97baa1baL, 0x84ea524eL, 0x7681d14dL, 0x2892ed69L, 0xdaf96e6aL,</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  0xc9a99d9eL, 0x3bc21e9dL, 0xef087a76L, 0x1d63f975L, 0x0e330a81L,</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  0xfc588982L, 0xb21572c9L, 0x407ef1caL, 0x532e023eL, 0xa145813dL,</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  0x758fe5d6L, 0x87e466d5L, 0x94b49521L, 0x66df1622L, 0x38cc2a06L,</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  0xcaa7a905L, 0xd9f75af1L, 0x2b9cd9f2L, 0xff56bd19L, 0x0d3d3e1aL,</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  0x1e6dcdeeL, 0xec064eedL, 0xc38d26c4L, 0x31e6a5c7L, 0x22b65633L,</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  0xd0ddd530L, 0x0417b1dbL, 0xf67c32d8L, 0xe52cc12cL, 0x1747422fL,</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  0x49547e0bL, 0xbb3ffd08L, 0xa86f0efcL, 0x5a048dffL, 0x8ecee914L,</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  0x7ca56a17L, 0x6ff599e3L, 0x9d9e1ae0L, 0xd3d3e1abL, 0x21b862a8L,</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  0x32e8915cL, 0xc083125fL, 0x144976b4L, 0xe622f5b7L, 0xf5720643L,</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  0x07198540L, 0x590ab964L, 0xab613a67L, 0xb831c993L, 0x4a5a4a90L,</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  0x9e902e7bL, 0x6cfbad78L, 0x7fab5e8cL, 0x8dc0dd8fL, 0xe330a81aL,</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  0x115b2b19L, 0x020bd8edL, 0xf0605beeL, 0x24aa3f05L, 0xd6c1bc06L,</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  0xc5914ff2L, 0x37faccf1L, 0x69e9f0d5L, 0x9b8273d6L, 0x88d28022L,</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  0x7ab90321L, 0xae7367caL, 0x5c18e4c9L, 0x4f48173dL, 0xbd23943eL,</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  0xf36e6f75L, 0x0105ec76L, 0x12551f82L, 0xe03e9c81L, 0x34f4f86aL,</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  0xc69f7b69L, 0xd5cf889dL, 0x27a40b9eL, 0x79b737baL, 0x8bdcb4b9L,</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  0x988c474dL, 0x6ae7c44eL, 0xbe2da0a5L, 0x4c4623a6L, 0x5f16d052L,</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  0xad7d5351L</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  0x00000000L, 0x03836bf2L, 0xf7703be1L, 0xf4f35013L, 0x1f979ac7L,</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  0x1c14f135L, 0xe8e7a126L, 0xeb64cad4L, 0xcf58d98aL, 0xccdbb278L,</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  0x3828e26bL, 0x3bab8999L, 0xd0cf434dL, 0xd34c28bfL, 0x27bf78acL,</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  0x243c135eL, 0x6fc75e10L, 0x6c4435e2L, 0x98b765f1L, 0x9b340e03L,</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  0x7050c4d7L, 0x73d3af25L, 0x8720ff36L, 0x84a394c4L, 0xa09f879aL,</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  0xa31cec68L, 0x57efbc7bL, 0x546cd789L, 0xbf081d5dL, 0xbc8b76afL,</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  0x487826bcL, 0x4bfb4d4eL, 0xde8ebd20L, 0xdd0dd6d2L, 0x29fe86c1L,</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  0x2a7ded33L, 0xc11927e7L, 0xc29a4c15L, 0x36691c06L, 0x35ea77f4L,</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  0x11d664aaL, 0x12550f58L, 0xe6a65f4bL, 0xe52534b9L, 0x0e41fe6dL,</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  0x0dc2959fL, 0xf931c58cL, 0xfab2ae7eL, 0xb149e330L, 0xb2ca88c2L,</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  0x4639d8d1L, 0x45bab323L, 0xaede79f7L, 0xad5d1205L, 0x59ae4216L,</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  0x5a2d29e4L, 0x7e113abaL, 0x7d925148L, 0x8961015bL, 0x8ae26aa9L,</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  0x6186a07dL, 0x6205cb8fL, 0x96f69b9cL, 0x9575f06eL, 0xbc1d7b41L,</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  0xbf9e10b3L, 0x4b6d40a0L, 0x48ee2b52L, 0xa38ae186L, 0xa0098a74L,</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  0x54fada67L, 0x5779b195L, 0x7345a2cbL, 0x70c6c939L, 0x8435992aL,</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  0x87b6f2d8L, 0x6cd2380cL, 0x6f5153feL, 0x9ba203edL, 0x9821681fL,</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  0xd3da2551L, 0xd0594ea3L, 0x24aa1eb0L, 0x27297542L, 0xcc4dbf96L,</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  0xcfced464L, 0x3b3d8477L, 0x38beef85L, 0x1c82fcdbL, 0x1f019729L,</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  0xebf2c73aL, 0xe871acc8L, 0x0315661cL, 0x00960deeL, 0xf4655dfdL,</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  0xf7e6360fL, 0x6293c661L, 0x6110ad93L, 0x95e3fd80L, 0x96609672L,</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  0x7d045ca6L, 0x7e873754L, 0x8a746747L, 0x89f70cb5L, 0xadcb1febL,</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  0xae487419L, 0x5abb240aL, 0x59384ff8L, 0xb25c852cL, 0xb1dfeedeL,</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  0x452cbecdL, 0x46afd53fL, 0x0d549871L, 0x0ed7f383L, 0xfa24a390L,</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  0xf9a7c862L, 0x12c302b6L, 0x11406944L, 0xe5b33957L, 0xe63052a5L,</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  0xc20c41fbL, 0xc18f2a09L, 0x357c7a1aL, 0x36ff11e8L, 0xdd9bdb3cL,</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  0xde18b0ceL, 0x2aebe0ddL, 0x29688b2fL, 0x783bf682L, 0x7bb89d70L,</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  0x8f4bcd63L, 0x8cc8a691L, 0x67ac6c45L, 0x642f07b7L, 0x90dc57a4L,</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  0x935f3c56L, 0xb7632f08L, 0xb4e044faL, 0x401314e9L, 0x43907f1bL,</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  0xa8f4b5cfL, 0xab77de3dL, 0x5f848e2eL, 0x5c07e5dcL, 0x17fca892L,</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  0x147fc360L, 0xe08c9373L, 0xe30ff881L, 0x086b3255L, 0x0be859a7L,</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  0xff1b09b4L, 0xfc986246L, 0xd8a47118L, 0xdb271aeaL, 0x2fd44af9L,</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  0x2c57210bL, 0xc733ebdfL, 0xc4b0802dL, 0x3043d03eL, 0x33c0bbccL,</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  0xa6b54ba2L, 0xa5362050L, 0x51c57043L, 0x52461bb1L, 0xb922d165L,</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  0xbaa1ba97L, 0x4e52ea84L, 0x4dd18176L, 0x69ed9228L, 0x6a6ef9daL,</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  0x9e9da9c9L, 0x9d1ec23bL, 0x767a08efL, 0x75f9631dL, 0x810a330eL,</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  0x828958fcL, 0xc97215b2L, 0xcaf17e40L, 0x3e022e53L, 0x3d8145a1L,</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  0xd6e58f75L, 0xd566e487L, 0x2195b494L, 0x2216df66L, 0x062acc38L,</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  0x05a9a7caL, 0xf15af7d9L, 0xf2d99c2bL, 0x19bd56ffL, 0x1a3e3d0dL,</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  0xeecd6d1eL, 0xed4e06ecL, 0xc4268dc3L, 0xc7a5e631L, 0x3356b622L,</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  0x30d5ddd0L, 0xdbb11704L, 0xd8327cf6L, 0x2cc12ce5L, 0x2f424717L,</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  0x0b7e5449L, 0x08fd3fbbL, 0xfc0e6fa8L, 0xff8d045aL, 0x14e9ce8eL,</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  0x176aa57cL, 0xe399f56fL, 0xe01a9e9dL, 0xabe1d3d3L, 0xa862b821L,</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  0x5c91e832L, 0x5f1283c0L, 0xb4764914L, 0xb7f522e6L, 0x430672f5L,</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  0x40851907L, 0x64b90a59L, 0x673a61abL, 0x93c931b8L, 0x904a5a4aL,</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  0x7b2e909eL, 0x78adfb6cL, 0x8c5eab7fL, 0x8fddc08dL, 0x1aa830e3L,</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  0x192b5b11L, 0xedd80b02L, 0xee5b60f0L, 0x053faa24L, 0x06bcc1d6L,</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  0xf24f91c5L, 0xf1ccfa37L, 0xd5f0e969L, 0xd673829bL, 0x2280d288L,</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  0x2103b97aL, 0xca6773aeL, 0xc9e4185cL, 0x3d17484fL, 0x3e9423bdL,</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  0x756f6ef3L, 0x76ec0501L, 0x821f5512L, 0x819c3ee0L, 0x6af8f434L,</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  0x697b9fc6L, 0x9d88cfd5L, 0x9e0ba427L, 0xba37b779L, 0xb9b4dc8bL,</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  0x4d478c98L, 0x4ec4e76aL, 0xa5a02dbeL, 0xa623464cL, 0x52d0165fL,</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  0x51537dadL</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> };</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> CRC32C::CRC32C()</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> {</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  Reset();</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="class_c_r_c32_c.html#ab5430d47ddf90448a01e4d80644f37e2"> 297</a></span> <span class="keywordtype">void</span> <a class="code" href="class_c_r_c32_c.html#ab5430d47ddf90448a01e4d80644f37e2">CRC32C::Update</a>(<span class="keyword">const</span> byte *s, <span class="keywordtype">size_t</span> n)</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> {</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor">#if (CRYPTOPP_SSE42_AVAILABLE)</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (<a class="code" href="cpu_8h.html#a0dc923aa941e17016d06b1f133f65f18">HasSSE42</a>())</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  {</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  CRC32C_Update_SSE42(s, n, m_crc);</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="preprocessor">#elif (CRYPTOPP_ARM_CRC32_AVAILABLE)</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span> (<a class="code" href="cpu_8h.html#a84c5040b823753bcd1f5413af059f22c">HasCRC32</a>())</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  {</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  CRC32C_Update_ARMV8(s, n, m_crc);</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  word32 crc = m_crc;</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> </div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">for</span>(; !IsAligned<word32>(s) && n > 0; n--)</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  crc = m_tab[CRC32_INDEX(crc) ^ *s++] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">while</span> (n >= 4)</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  {</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  crc ^= *(<span class="keyword">const</span> word32 *)(<span class="keywordtype">void</span>*)s;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  crc = m_tab[CRC32_INDEX(crc)] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  n -= 4; s += 4;</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">while</span> (n--)</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  crc = m_tab[CRC32_INDEX(crc) ^ *s++] ^ CRC32_SHIFTED(crc);</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  m_crc = crc;</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> }</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div><div class="line"><a name="l00334"></a><span class="lineno"><a class="line" href="class_c_r_c32_c.html#a077d0633d5bef807dd33344a43c7c4ee"> 334</a></span> <span class="keywordtype">void</span> <a class="code" href="class_c_r_c32_c.html#a077d0633d5bef807dd33344a43c7c4ee">CRC32C::TruncatedFinal</a>(byte *hash, <span class="keywordtype">size_t</span> size)</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>  ThrowIfInvalidTruncatedSize(size);</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  m_crc ^= CRC32_NEGL;</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<size; i++)</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  hash[i] = GetCrcByte(i);</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>  Reset();</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> }</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> NAMESPACE_END</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="cpu_8h_html_a84c5040b823753bcd1f5413af059f22c"><div class="ttname"><a href="cpu_8h.html#a84c5040b823753bcd1f5413af059f22c">HasCRC32</a></div><div class="ttdeci">bool HasCRC32()</div><div class="ttdoc">Determine if an ARM processor has CRC32 available. </div><div class="ttdef"><b>Definition:</b> <a href="cpu_8h_source.html#l00367">cpu.h:367</a></div></div>
<div class="ttc" id="config_8h_html"><div class="ttname"><a href="config_8h.html">config.h</a></div><div class="ttdoc">Library configuration file. </div></div>
<div class="ttc" id="crc_8h_html"><div class="ttname"><a href="crc_8h.html">crc.h</a></div><div class="ttdoc">Classes for CRC-32 and CRC-32C checksum algorithm. </div></div>
<div class="ttc" id="class_c_r_c32_c_html_a077d0633d5bef807dd33344a43c7c4ee"><div class="ttname"><a href="class_c_r_c32_c.html#a077d0633d5bef807dd33344a43c7c4ee">CRC32C::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="crc_8cpp_source.html#l00334">crc.cpp:334</a></div></div>
<div class="ttc" id="class_c_r_c32_c_html_ab5430d47ddf90448a01e4d80644f37e2"><div class="ttname"><a href="class_c_r_c32_c.html#ab5430d47ddf90448a01e4d80644f37e2">CRC32C::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="crc_8cpp_source.html#l00297">crc.cpp:297</a></div></div>
<div class="ttc" id="class_c_r_c32_html_ab6f1523fe38d6f1b690888aab1675982"><div class="ttname"><a href="class_c_r_c32.html#ab6f1523fe38d6f1b690888aab1675982">CRC32::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="crc_8cpp_source.html#l00169">crc.cpp:169</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="cpu_8h_html"><div class="ttname"><a href="cpu_8h.html">cpu.h</a></div><div class="ttdoc">Functions for CPU features and intrinsics. </div></div>
<div class="ttc" id="class_c_r_c32_html_abd642abba82cf63edb025461bc1af8c0"><div class="ttname"><a href="class_c_r_c32.html#abd642abba82cf63edb025461bc1af8c0">CRC32::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="crc_8cpp_source.html#l00138">crc.cpp:138</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="cpu_8h_html_a0dc923aa941e17016d06b1f133f65f18"><div class="ttname"><a href="cpu_8h.html#a0dc923aa941e17016d06b1f133f65f18">HasSSE42</a></div><div class="ttdeci">bool HasSSE42()</div><div class="ttdoc">Determines SSE4.2 availability. </div><div class="ttdef"><b>Definition:</b> <a href="cpu_8h_source.html#l00151">cpu.h:151</a></div></div>
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