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Rhys Weatherley
2015-03-14 15:47:44 +10:00
parent 87d421783a
commit ba61fb1e01
325 changed files with 3901 additions and 1380 deletions
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@@ -144,173 +144,164 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; state.h[3] = 0x10325476;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; state.h[4] = 0xC3D2E1F0;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; state.chunkSize = 0;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; state.finalized = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; state.length = 0;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;}</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a"> 76</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">SHA1::update</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;{</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="comment">// Reset the hashing process if finalize() was called previously.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">if</span> (state.finalized)</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <a class="code" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">reset</a>();</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment">// Update the total length (in bits, not bytes).</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; state.length += ((uint64_t)len) &lt;&lt; 3;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// Break the input up into 512-bit chunks and process each in turn.</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">const</span> uint8_t *d = (<span class="keyword">const</span> uint8_t *)data;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">while</span> (len &gt; 0) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; uint8_t size = 64 - state.chunkSize;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">if</span> (size &gt; len)</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; size = len;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; memcpy(((uint8_t *)state.w) + state.chunkSize, d, size);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; state.chunkSize += size;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; len -= size;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; d += size;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">if</span> (state.chunkSize == 64) {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; processChunk();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; state.chunkSize = 0;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;}</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c"> 102</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">SHA1::finalize</a>(<span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;{</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="comment">// Finalize the hash if necessary.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">if</span> (!state.finalized) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="comment">// Pad the last chunk. We may need two padding chunks if there</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="comment">// isn&#39;t enough room in the first for the padding and length.</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; uint8_t *wbytes = (uint8_t *)state.w;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; if (state.chunkSize &lt;= (64 - 9)) {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; wbytes[state.chunkSize] = 0x80;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; memset(wbytes + state.chunkSize + 1, 0x00, 64 - 8 - (state.chunkSize + 1));</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; state.w[14] = htobe32((uint32_t)(state.length &gt;&gt; 32));</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; state.w[15] = htobe32((uint32_t)state.length);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; processChunk();</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; wbytes[state.chunkSize] = 0x80;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; memset(wbytes + state.chunkSize + 1, 0x00, 64 - (state.chunkSize + 1));</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; processChunk();</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; memset(wbytes, 0x00, 64 - 8);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; state.w[14] = htobe32((uint32_t)(state.length &gt;&gt; 32));</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; state.w[15] = htobe32((uint32_t)state.length);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; processChunk();</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// Convert the result into big endian and return it.</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordflow">for</span> (uint8_t posn = 0; posn &lt; 5; ++posn)</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; state.w[posn] = htobe32(state.h[posn]);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; state.finalized = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="comment">// Copy the hash to the caller&#39;s return buffer.</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">if</span> (len &gt; 20)</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; len = 20;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; memcpy(hash, state.w, len);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;}</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;</div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f"> 137</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">SHA1::clear</a>()</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;{</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; clean(state);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">reset</a>();</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;}</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; state.length = 0;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;}</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a"> 75</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">SHA1::update</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;{</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="comment">// Update the total length (in bits, not bytes).</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; state.length += ((uint64_t)len) &lt;&lt; 3;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// Break the input up into 512-bit chunks and process each in turn.</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">const</span> uint8_t *d = (<span class="keyword">const</span> uint8_t *)data;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">while</span> (len &gt; 0) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; uint8_t size = 64 - state.chunkSize;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">if</span> (size &gt; len)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; size = len;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; memcpy(((uint8_t *)state.w) + state.chunkSize, d, size);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; state.chunkSize += size;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; len -= size;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; d += size;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">if</span> (state.chunkSize == 64) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; processChunk();</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; state.chunkSize = 0;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c"> 97</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">SHA1::finalize</a>(<span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;{</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="comment">// Pad the last chunk. We may need two padding chunks if there</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="comment">// isn&#39;t enough room in the first for the padding and length.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; uint8_t *wbytes = (uint8_t *)state.w;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; if (state.chunkSize &lt;= (64 - 9)) {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; wbytes[state.chunkSize] = 0x80;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; memset(wbytes + state.chunkSize + 1, 0x00, 64 - 8 - (state.chunkSize + 1));</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; state.w[14] = htobe32((uint32_t)(state.length &gt;&gt; 32));</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; state.w[15] = htobe32((uint32_t)state.length);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; processChunk();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; wbytes[state.chunkSize] = 0x80;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; memset(wbytes + state.chunkSize + 1, 0x00, 64 - (state.chunkSize + 1));</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; processChunk();</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; memset(wbytes, 0x00, 64 - 8);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; state.w[14] = htobe32((uint32_t)(state.length &gt;&gt; 32));</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; state.w[15] = htobe32((uint32_t)state.length);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; processChunk();</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="comment">// Convert the result into big endian and return it.</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">for</span> (uint8_t posn = 0; posn &lt; 5; ++posn)</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; state.w[posn] = htobe32(state.h[posn]);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="comment">// Copy the hash to the caller&#39;s return buffer.</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">if</span> (len &gt; 20)</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; len = 20;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; memcpy(hash, state.w, len);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;}</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f"> 128</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">SHA1::clear</a>()</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;{</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; clean(state);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <a class="code" href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">reset</a>();</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;}</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;<span class="keywordtype">void</span> SHA1::processChunk()</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;{</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; uint8_t index;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="keywordtype">void</span> SHA1::processChunk()</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;{</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; uint8_t index;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="comment">// Convert the first 16 words from big endian to host byte order.</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">for</span> (index = 0; index &lt; 16; ++index)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; state.w[index] = be32toh(state.w[index]);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="comment">// Initialize the hash value for this chunk.</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; uint32_t a = state.h[0];</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; uint32_t b = state.h[1];</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; uint32_t c = state.h[2];</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; uint32_t d = state.h[3];</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; uint32_t e = state.h[4];</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="comment">// Perform the first 16 rounds of the compression function main loop.</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; uint32_t temp;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">for</span> (index = 0; index &lt; 16; ++index) {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; temp = leftRotate5(a) + ((b &amp; c) | ((~b) &amp; d)) + e + 0x5A827999 + state.w[index];</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; e = d;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; d = c;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; b = a;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; a = temp;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="comment">// Perform the 64 remaining rounds. We expand the first 16 words to</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// 80 in-place in the &quot;w&quot; array. This saves 256 bytes of memory</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="comment">// that would have otherwise need to be allocated to the &quot;w&quot; array.</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keywordflow">for</span> (; index &lt; 20; ++index) {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; temp = leftRotate5(a) + ((b &amp; c) | ((~b) &amp; d)) + e + 0x5A827999 + temp;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; e = d;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; d = c;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; b = a;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; a = temp;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">for</span> (; index &lt; 40; ++index) {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; temp = leftRotate5(a) + (b ^ c ^ d) + e + 0x6ED9EBA1 + temp;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; e = d;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; d = c;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; b = a;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; a = temp;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keywordflow">for</span> (; index &lt; 60; ++index) {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; temp = leftRotate5(a) + ((b &amp; c) | (b &amp; d) | (c &amp; d)) + e + 0x8F1BBCDC + temp;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; e = d;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; d = c;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; b = a;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; a = temp;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; }</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keywordflow">for</span> (; index &lt; 80; ++index) {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; temp = leftRotate5(a) + (b ^ c ^ d) + e + 0xCA62C1D6 + temp;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; e = d;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; d = c;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; b = a;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; a = temp;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; }</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="comment">// Add this chunk&#39;s hash to the result so far.</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; state.h[0] += a;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; state.h[1] += b;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; state.h[2] += c;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; state.h[3] += d;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; state.h[4] += e;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="comment">// Attempt to clean up the stack.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; a = b = c = d = e = temp = 0;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;}</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="comment">// Convert the first 16 words from big endian to host byte order.</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">for</span> (index = 0; index &lt; 16; ++index)</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; state.w[index] = be32toh(state.w[index]);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="comment">// Initialize the hash value for this chunk.</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; uint32_t a = state.h[0];</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; uint32_t b = state.h[1];</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; uint32_t c = state.h[2];</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; uint32_t d = state.h[3];</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; uint32_t e = state.h[4];</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="comment">// Perform the first 16 rounds of the compression function main loop.</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; uint32_t temp;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">for</span> (index = 0; index &lt; 16; ++index) {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; temp = leftRotate5(a) + ((b &amp; c) | ((~b) &amp; d)) + e + 0x5A827999 + state.w[index];</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; e = d;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; d = c;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; b = a;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; a = temp;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">// Perform the 64 remaining rounds. We expand the first 16 words to</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">// 80 in-place in the &quot;w&quot; array. This saves 256 bytes of memory</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="comment">// that would have otherwise need to be allocated to the &quot;w&quot; array.</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">for</span> (; index &lt; 20; ++index) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; temp = leftRotate5(a) + ((b &amp; c) | ((~b) &amp; d)) + e + 0x5A827999 + temp;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; e = d;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; d = c;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; b = a;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; a = temp;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">for</span> (; index &lt; 40; ++index) {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; temp = leftRotate5(a) + (b ^ c ^ d) + e + 0x6ED9EBA1 + temp;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; e = d;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; d = c;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; b = a;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; a = temp;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">for</span> (; index &lt; 60; ++index) {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; temp = leftRotate5(a) + ((b &amp; c) | (b &amp; d) | (c &amp; d)) + e + 0x8F1BBCDC + temp;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; e = d;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; d = c;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; b = a;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; a = temp;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; }</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">for</span> (; index &lt; 80; ++index) {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; temp = state.w[index &amp; 0x0F] = leftRotate1</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; (state.w[(index - 3) &amp; 0x0F] ^ state.w[(index - 8) &amp; 0x0F] ^</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; state.w[(index - 14) &amp; 0x0F] ^ state.w[(index - 16) &amp; 0x0F]);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; temp = leftRotate5(a) + (b ^ c ^ d) + e + 0xCA62C1D6 + temp;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; e = d;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; d = c;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; c = leftRotate30(b);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; b = a;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; a = temp;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="comment">// Add this chunk&#39;s hash to the result so far.</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; state.h[0] += a;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; state.h[1] += b;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; state.h[2] += c;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; state.h[3] += d;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; state.h[4] += e;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="comment">// Attempt to clean up the stack.</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; a = b = c = d = e = temp = 0;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160;}</div>
<div class="ttc" id="classSHA1_html_a8485d7c14fa29286cd3c7acfe438606d"><div class="ttname"><a href="classSHA1.html#a8485d7c14fa29286cd3c7acfe438606d">SHA1::~SHA1</a></div><div class="ttdeci">virtual ~SHA1()</div><div class="ttdoc">Destroys this SHA-1 hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00049">SHA1.cpp:49</a></div></div>
<div class="ttc" id="classSHA1_html_ab71aaf39ed956320054861a2fbfa454f"><div class="ttname"><a href="classSHA1.html#ab71aaf39ed956320054861a2fbfa454f">SHA1::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00064">SHA1.cpp:64</a></div></div>
<div class="ttc" id="classSHA1_html_aec77fbc5015f82bbf7055e535085656a"><div class="ttname"><a href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">SHA1::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the hash with more data. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00076">SHA1.cpp:76</a></div></div>
<div class="ttc" id="classSHA1_html_a41a159d6565b04d3f620dcd720faaf3f"><div class="ttname"><a href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">SHA1::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00137">SHA1.cpp:137</a></div></div>
<div class="ttc" id="classSHA1_html_aec77fbc5015f82bbf7055e535085656a"><div class="ttname"><a href="classSHA1.html#aec77fbc5015f82bbf7055e535085656a">SHA1::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the hash with more data. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00075">SHA1.cpp:75</a></div></div>
<div class="ttc" id="classSHA1_html_a41a159d6565b04d3f620dcd720faaf3f"><div class="ttname"><a href="classSHA1.html#a41a159d6565b04d3f620dcd720faaf3f">SHA1::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00128">SHA1.cpp:128</a></div></div>
<div class="ttc" id="classSHA1_html_a816e3fd1a02cf1ecc67866cd8c7c309a"><div class="ttname"><a href="classSHA1.html#a816e3fd1a02cf1ecc67866cd8c7c309a">SHA1::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of the internal block used by the hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00059">SHA1.cpp:59</a></div></div>
<div class="ttc" id="classSHA1_html_a5a6a8a6169aa48e0bccadb22a149ab7c"><div class="ttname"><a href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">SHA1::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00102">SHA1.cpp:102</a></div></div>
<div class="ttc" id="classSHA1_html_a5a6a8a6169aa48e0bccadb22a149ab7c"><div class="ttname"><a href="classSHA1.html#a5a6a8a6169aa48e0bccadb22a149ab7c">SHA1::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00097">SHA1.cpp:97</a></div></div>
<div class="ttc" id="classSHA1_html_ab8cdb7233a8b81be07877049960ddfdd"><div class="ttname"><a href="classSHA1.html#ab8cdb7233a8b81be07877049960ddfdd">SHA1::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00054">SHA1.cpp:54</a></div></div>
<div class="ttc" id="classSHA1_html_ad49a5108ffd6996b1133bf41224ff726"><div class="ttname"><a href="classSHA1.html#ad49a5108ffd6996b1133bf41224ff726">SHA1::SHA1</a></div><div class="ttdeci">SHA1()</div><div class="ttdoc">Constructs a SHA-1 hash object. </div><div class="ttdef"><b>Definition:</b> <a href="SHA1_8cpp_source.html#l00041">SHA1.cpp:41</a></div></div>
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