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Documentation for c6af943508
This commit is contained in:
realstealthninja
@@ -116,6 +116,7 @@ $(function(){initNavTree('d5/d96/md5_8cpp.html','../../'); initResizable(true);
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<div class="textblock"><code>#include <algorithm></code><br />
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<code>#include <array></code><br />
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<code>#include <cassert></code><br />
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<code>#include <cstdint></code><br />
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<code>#include <cstring></code><br />
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<code>#include <iostream></code><br />
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<code>#include <string></code><br />
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@@ -123,13 +124,13 @@ $(function(){initNavTree('d5/d96/md5_8cpp.html','../../'); initResizable(true);
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</div><div class="textblock"><div class="dynheader">
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Include dependency graph for md5.cpp:</div>
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<div class="dyncontent">
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../dd/d0f/md5_8cpp__incl.svg" width="587" height="111"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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<div class="center"><div class="zoom"><iframe scrolling="no" frameborder="0" src="../../dd/d0f/md5_8cpp__incl.svg" width="100%" height="383"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div></div>
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</div>
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</div><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="namespaces" name="namespaces"></a>
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Namespaces</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d6/d0c/namespacehashing.html">hashing</a></td></tr>
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<tr class="memdesc:d6/d0c/namespacehashing"><td class="mdescLeft"> </td><td class="mdescRight">Hashing algorithms. <br /></td></tr>
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<tr class="memdesc:d6/d0c/namespacehashing"><td class="mdescLeft"> </td><td class="mdescRight">Used for assert. <br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d43/namespace_m_d5.html">MD5</a></td></tr>
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<tr class="memdesc:dd/d43/namespace_m_d5"><td class="mdescLeft"> </td><td class="mdescRight">Functions for the <a href="https://en.wikipedia.org/wiki/MD5" target="_blank">MD5</a> algorithm implementation. <br /></td></tr>
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@@ -206,10 +207,10 @@ Algorithm</h3>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>void* Pointer to the <a class="el" href="../../dd/d43/namespace_m_d5.html" title="Functions for the MD5 algorithm implementation.">MD5</a> signature </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 287</span> {</div>
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<div class="line"><span class="lineno"> 288</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a5341431cef7fcfc33794326e1deb2425">hash_bs</a>(&message[0], message.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">size</a>());</div>
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<div class="line"><span class="lineno"> 289</span>}</div>
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<div class="ttc" id="amd5_8cpp_html_a5341431cef7fcfc33794326e1deb2425"><div class="ttname"><a href="#a5341431cef7fcfc33794326e1deb2425">hashing::md5::hash_bs</a></div><div class="ttdeci">void * hash_bs(const void *input_bs, uint64_t input_size)</div><div class="ttdoc">The MD5 algorithm itself, taking in a bytestring.</div><div class="ttdef"><b>Definition</b> md5.cpp:138</div></div>
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<div class="fragment"><div class="line"><span class="lineno"> 288</span> {</div>
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<div class="line"><span class="lineno"> 289</span> <span class="keywordflow">return</span> <a class="code hl_function" href="#a5341431cef7fcfc33794326e1deb2425">hash_bs</a>(&message[0], message.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">size</a>());</div>
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<div class="line"><span class="lineno"> 290</span>}</div>
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<div class="ttc" id="amd5_8cpp_html_a5341431cef7fcfc33794326e1deb2425"><div class="ttname"><a href="#a5341431cef7fcfc33794326e1deb2425">hashing::md5::hash_bs</a></div><div class="ttdeci">void * hash_bs(const void *input_bs, uint64_t input_size)</div><div class="ttdoc">The MD5 algorithm itself, taking in a bytestring.</div><div class="ttdef"><b>Definition</b> md5.cpp:139</div></div>
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<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">std::string::size</a></div><div class="ttdeci">T size(T... args)</div></div>
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</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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@@ -251,156 +252,156 @@ Here is the call graph for this function:</div>
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<div class="line"> </div>
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<div class="line"><span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(64):</div>
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<div class="line"> print(floor(2**32 * abs(sin(i+1))))</div>
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</div><!-- fragment --><div class="fragment"><div class="line"><span class="lineno"> 138</span> {</div>
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<div class="line"><span class="lineno"> 139</span> <span class="keyword">auto</span>* input = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint8_t*<span class="keyword">></span>(input_bs);</div>
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<div class="line"><span class="lineno"> 140</span> </div>
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<div class="line"><span class="lineno"> 141</span> <span class="comment">// Step 0: Initial Data (Those are decided in the MD5 protocol)</span></div>
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<div class="line"><span class="lineno"> 142</span> <span class="comment">// s is the shift used in the leftrotate each round</span></div>
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<div class="line"><span class="lineno"> 143</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<uint32_t, 64></a> s = {</div>
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<div class="line"><span class="lineno"> 144</span> 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,</div>
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<div class="line"><span class="lineno"> 145</span> 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,</div>
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<div class="line"><span class="lineno"> 146</span> 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,</div>
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<div class="line"><span class="lineno"> 147</span> 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21};</div>
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<div class="line"><span class="lineno"> 148</span> <span class="comment">// K is pseudo-random values used each round</span></div>
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<div class="line"><span class="lineno"> 149</span> <span class="comment">// The values can be obtained by the following python code:</span></div>
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<div class="line"><span class="lineno"> 150</span><span class="comment"></span> </div>
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<div class="line"><span class="lineno"> 151</span><span class="comment"> /**</span></div>
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<div class="line"><span class="lineno"> 152</span><span class="comment"> * @brief Values of K are pseudo-random and used to "salt" each round</span></div>
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<div class="line"><span class="lineno"> 153</span><span class="comment"> * The values can be obtained by the following python code</span></div>
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<div class="line"><span class="lineno"> 154</span><span class="comment"> * @code{.py}</span></div>
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<div class="line"><span class="lineno"> 155</span><span class="comment"> * from math import floor, sin</span></div>
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<div class="line"><span class="lineno"> 156</span><span class="comment"> *</span></div>
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<div class="line"><span class="lineno"> 157</span><span class="comment"> * for i in range(64):</span></div>
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<div class="line"><span class="lineno"> 158</span><span class="comment"> * print(floor(2**32 * abs(sin(i+1))))</span></div>
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<div class="line"><span class="lineno"> 159</span><span class="comment"> * @endcode</span></div>
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<div class="line"><span class="lineno"> 160</span><span class="comment"> */</span></div>
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<div class="line"><span class="lineno"> 161</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<uint32_t, 64></a> K = {</div>
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<div class="line"><span class="lineno"> 162</span> 3614090360, 3905402710, 606105819, 3250441966, 4118548399, 1200080426,</div>
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<div class="line"><span class="lineno"> 163</span> 2821735955, 4249261313, 1770035416, 2336552879, 4294925233, 2304563134,</div>
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<div class="line"><span class="lineno"> 164</span> 1804603682, 4254626195, 2792965006, 1236535329, 4129170786, 3225465664,</div>
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<div class="line"><span class="lineno"> 165</span> 643717713, 3921069994, 3593408605, 38016083, 3634488961, 3889429448,</div>
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<div class="line"><span class="lineno"> 166</span> 568446438, 3275163606, 4107603335, 1163531501, 2850285829, 4243563512,</div>
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<div class="line"><span class="lineno"> 167</span> 1735328473, 2368359562, 4294588738, 2272392833, 1839030562, 4259657740,</div>
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<div class="line"><span class="lineno"> 168</span> 2763975236, 1272893353, 4139469664, 3200236656, 681279174, 3936430074,</div>
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<div class="line"><span class="lineno"> 169</span> 3572445317, 76029189, 3654602809, 3873151461, 530742520, 3299628645,</div>
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<div class="line"><span class="lineno"> 170</span> 4096336452, 1126891415, 2878612391, 4237533241, 1700485571, 2399980690,</div>
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<div class="line"><span class="lineno"> 171</span> 4293915773, 2240044497, 1873313359, 4264355552, 2734768916, 1309151649,</div>
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<div class="line"><span class="lineno"> 172</span> 4149444226, 3174756917, 718787259, 3951481745};</div>
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<div class="line"><span class="lineno"> 173</span> </div>
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<div class="line"><span class="lineno"> 174</span> <span class="comment">// The initial 128-bit state</span></div>
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<div class="line"><span class="lineno"> 175</span> uint32_t a0 = 0x67452301, A = 0;</div>
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<div class="line"><span class="lineno"> 176</span> uint32_t b0 = 0xefcdab89, B = 0;</div>
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<div class="line"><span class="lineno"> 177</span> uint32_t c0 = 0x98badcfe, C = 0;</div>
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<div class="line"><span class="lineno"> 178</span> uint32_t d0 = 0x10325476, D = 0;</div>
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<div class="line"><span class="lineno"> 179</span> </div>
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<div class="line"><span class="lineno"> 180</span> <span class="comment">// Step 1: Processing the bytestring</span></div>
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<div class="line"><span class="lineno"> 181</span> </div>
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<div class="line"><span class="lineno"> 182</span> <span class="comment">// First compute the size the padded message will have</span></div>
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<div class="line"><span class="lineno"> 183</span> <span class="comment">// so it is possible to allocate the right amount of memory</span></div>
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<div class="line"><span class="lineno"> 184</span> uint64_t padded_message_size = 0;</div>
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<div class="line"><span class="lineno"> 185</span> <span class="keywordflow">if</span> (input_size % 64 < 56) {</div>
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<div class="line"><span class="lineno"> 186</span> padded_message_size = input_size + 64 - (input_size % 64);</div>
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<div class="line"><span class="lineno"> 187</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><span class="lineno"> 188</span> padded_message_size = input_size + 128 - (input_size % 64);</div>
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<div class="line"><span class="lineno"> 189</span> }</div>
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<div class="line"><span class="lineno"> 190</span> </div>
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<div class="line"><span class="lineno"> 191</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<uint8_t></a> padded_message(padded_message_size);</div>
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<div class="line"><span class="lineno"> 192</span> </div>
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<div class="line"><span class="lineno"> 193</span> <span class="comment">// Beginning of the padded message is the original message</span></div>
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<div class="line"><span class="lineno"> 194</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a>(input, input + input_size, padded_message.begin());</div>
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<div class="line"><span class="lineno"> 195</span> </div>
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<div class="line"><span class="lineno"> 196</span> <span class="comment">// Afterwards comes a single 1 bit and then only zeroes</span></div>
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<div class="line"><span class="lineno"> 197</span> padded_message[input_size] = 1 << 7; <span class="comment">// 10000000</span></div>
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<div class="line"><span class="lineno"> 198</span> <span class="keywordflow">for</span> (uint64_t i = input_size; i % 64 != 56; i++) {</div>
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<div class="line"><span class="lineno"> 199</span> <span class="keywordflow">if</span> (i == input_size) {</div>
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<div class="line"><span class="lineno"> 200</span> <span class="keywordflow">continue</span>; <span class="comment">// pass first iteration</span></div>
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<div class="line"><span class="lineno"> 201</span> }</div>
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<div class="line"><span class="lineno"> 202</span> padded_message[i] = 0;</div>
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<div class="line"><span class="lineno"> 203</span> }</div>
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<div class="line"><span class="lineno"> 204</span> </div>
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<div class="line"><span class="lineno"> 205</span> <span class="comment">// We then have to add the 64-bit size of the message at the end</span></div>
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<div class="line"><span class="lineno"> 206</span> <span class="comment">// When there is a conversion from int to bytestring or vice-versa</span></div>
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<div class="line"><span class="lineno"> 207</span> <span class="comment">// We always need to make sure it is little endian</span></div>
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<div class="line"><span class="lineno"> 208</span> uint64_t input_bitsize_le = <a class="code hl_function" href="#a6be48c1e6e742f9bd329f501d61dcaef">toLittleEndian64</a>(input_size * 8);</div>
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<div class="line"><span class="lineno"> 209</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 8; i++) {</div>
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<div class="line"><span class="lineno"> 210</span> padded_message[padded_message_size - 8 + i] =</div>
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<div class="line"><span class="lineno"> 211</span> (input_bitsize_le >> (56 - 8 * i)) & 0xFF;</div>
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<div class="line"><span class="lineno"> 212</span> }</div>
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<div class="line"><span class="lineno"> 213</span> </div>
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<div class="line"><span class="lineno"> 214</span> <span class="comment">// Already allocate memory for blocks</span></div>
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<div class="line"><span class="lineno"> 215</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<uint32_t, 16></a> blocks{};</div>
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<div class="line"><span class="lineno"> 216</span> </div>
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<div class="line"><span class="lineno"> 217</span> <span class="comment">// Rounds</span></div>
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<div class="line"><span class="lineno"> 218</span> <span class="keywordflow">for</span> (uint64_t chunk = 0; chunk * 64 < padded_message_size; chunk++) {</div>
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<div class="line"><span class="lineno"> 219</span> <span class="comment">// First, build the 16 32-bits blocks from the chunk</span></div>
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<div class="line"><span class="lineno"> 220</span> <span class="keywordflow">for</span> (uint8_t bid = 0; bid < 16; bid++) {</div>
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<div class="line"><span class="lineno"> 221</span> blocks[bid] = 0;</div>
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<div class="line"><span class="lineno"> 222</span> </div>
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<div class="line"><span class="lineno"> 223</span> <span class="comment">// Having to build a 32-bit word from 4-bit words</span></div>
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<div class="line"><span class="lineno"> 224</span> <span class="comment">// Add each and shift them to the left</span></div>
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<div class="line"><span class="lineno"> 225</span> <span class="keywordflow">for</span> (uint8_t cid = 0; cid < 4; cid++) {</div>
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<div class="line"><span class="lineno"> 226</span> blocks[bid] = (blocks[bid] << 8) +</div>
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<div class="line"><span class="lineno"> 227</span> padded_message[chunk * 64 + bid * 4 + cid];</div>
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<div class="line"><span class="lineno"> 228</span> }</div>
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<div class="line"><span class="lineno"> 229</span> }</div>
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<div class="line"><span class="lineno"> 230</span> </div>
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<div class="line"><span class="lineno"> 231</span> A = a0;</div>
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<div class="line"><span class="lineno"> 232</span> B = b0;</div>
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<div class="line"><span class="lineno"> 233</span> C = c0;</div>
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<div class="line"><span class="lineno"> 234</span> D = d0;</div>
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<div class="line"><span class="lineno"> 235</span> </div>
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<div class="line"><span class="lineno"> 236</span> <span class="comment">// Main "hashing" loop</span></div>
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<div class="line"><span class="lineno"> 237</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 64; i++) {</div>
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<div class="line"><span class="lineno"> 238</span> uint32_t F = 0, <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = 0;</div>
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<div class="line"><span class="lineno"> 239</span> <span class="keywordflow">if</span> (i < 16) {</div>
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<div class="line"><span class="lineno"> 240</span> F = (B & C) | ((~B) & D);</div>
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<div class="line"><span class="lineno"> 241</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = i;</div>
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<div class="line"><span class="lineno"> 242</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i < 32) {</div>
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<div class="line"><span class="lineno"> 243</span> F = (D & B) | ((~D) & C);</div>
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<div class="line"><span class="lineno"> 244</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = (5 * i + 1) % 16;</div>
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<div class="line"><span class="lineno"> 245</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i < 48) {</div>
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<div class="line"><span class="lineno"> 246</span> F = B ^ C ^ D;</div>
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<div class="line"><span class="lineno"> 247</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = (3 * i + 5) % 16;</div>
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<div class="line"><span class="lineno"> 248</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><span class="lineno"> 249</span> F = C ^ (B | (~D));</div>
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<div class="line"><span class="lineno"> 250</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = (7 * i) % 16;</div>
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<div class="line"><span class="lineno"> 251</span> }</div>
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<div class="line"><span class="lineno"> 252</span> </div>
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<div class="line"><span class="lineno"> 253</span> <span class="comment">// Update the accumulators</span></div>
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<div class="line"><span class="lineno"> 254</span> F += A + K[i] + <a class="code hl_function" href="#a694712c9665051ba52b686387b87a689">toLittleEndian32</a>(blocks[g]);</div>
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<div class="line"><span class="lineno"> 255</span> </div>
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<div class="line"><span class="lineno"> 256</span> A = D;</div>
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<div class="line"><span class="lineno"> 257</span> D = C;</div>
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<div class="line"><span class="lineno"> 258</span> C = B;</div>
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<div class="line"><span class="lineno"> 259</span> B += <a class="code hl_function" href="#add2bf982d5dd64a45d13cba52c2b371d">leftRotate32bits</a>(F, s[i]);</div>
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<div class="line"><span class="lineno"> 260</span> }</div>
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<div class="line"><span class="lineno"> 261</span> <span class="comment">// Update the state with this chunk's hash</span></div>
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<div class="line"><span class="lineno"> 262</span> a0 += A;</div>
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<div class="line"><span class="lineno"> 263</span> b0 += B;</div>
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<div class="line"><span class="lineno"> 264</span> c0 += C;</div>
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<div class="line"><span class="lineno"> 265</span> d0 += D;</div>
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<div class="line"><span class="lineno"> 266</span> }</div>
|
||||
<div class="line"><span class="lineno"> 267</span> </div>
|
||||
<div class="line"><span class="lineno"> 268</span> <span class="comment">// Build signature from state</span></div>
|
||||
<div class="line"><span class="lineno"> 269</span> <span class="comment">// Note, any type could be used for the signature</span></div>
|
||||
<div class="line"><span class="lineno"> 270</span> <span class="comment">// uint8_t was used to make the 16 bytes obvious</span></div>
|
||||
<div class="line"><span class="lineno"> 271</span> <span class="comment">// The sig needs to be little endian</span></div>
|
||||
<div class="line"><span class="lineno"> 272</span> <span class="keyword">auto</span>* sig = <span class="keyword">new</span> uint8_t[16];</div>
|
||||
<div class="line"><span class="lineno"> 273</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 4; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 274</span> sig[i] = (a0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 275</span> sig[i + 4] = (b0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 276</span> sig[i + 8] = (c0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 277</span> sig[i + 12] = (d0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 278</span> }</div>
|
||||
<div class="line"><span class="lineno"> 279</span> </div>
|
||||
<div class="line"><span class="lineno"> 280</span> <span class="keywordflow">return</span> sig;</div>
|
||||
<div class="line"><span class="lineno"> 281</span>}</div>
|
||||
</div><!-- fragment --><div class="fragment"><div class="line"><span class="lineno"> 139</span> {</div>
|
||||
<div class="line"><span class="lineno"> 140</span> <span class="keyword">auto</span>* input = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint8_t*<span class="keyword">></span>(input_bs);</div>
|
||||
<div class="line"><span class="lineno"> 141</span> </div>
|
||||
<div class="line"><span class="lineno"> 142</span> <span class="comment">// Step 0: Initial Data (Those are decided in the MD5 protocol)</span></div>
|
||||
<div class="line"><span class="lineno"> 143</span> <span class="comment">// s is the shift used in the leftrotate each round</span></div>
|
||||
<div class="line"><span class="lineno"> 144</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<uint32_t, 64></a> s = {</div>
|
||||
<div class="line"><span class="lineno"> 145</span> 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,</div>
|
||||
<div class="line"><span class="lineno"> 146</span> 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,</div>
|
||||
<div class="line"><span class="lineno"> 147</span> 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,</div>
|
||||
<div class="line"><span class="lineno"> 148</span> 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21};</div>
|
||||
<div class="line"><span class="lineno"> 149</span> <span class="comment">// K is pseudo-random values used each round</span></div>
|
||||
<div class="line"><span class="lineno"> 150</span> <span class="comment">// The values can be obtained by the following python code:</span></div>
|
||||
<div class="line"><span class="lineno"> 151</span><span class="comment"></span> </div>
|
||||
<div class="line"><span class="lineno"> 152</span><span class="comment"> /**</span></div>
|
||||
<div class="line"><span class="lineno"> 153</span><span class="comment"> * @brief Values of K are pseudo-random and used to "salt" each round</span></div>
|
||||
<div class="line"><span class="lineno"> 154</span><span class="comment"> * The values can be obtained by the following python code</span></div>
|
||||
<div class="line"><span class="lineno"> 155</span><span class="comment"> * @code{.py}</span></div>
|
||||
<div class="line"><span class="lineno"> 156</span><span class="comment"> * from math import floor, sin</span></div>
|
||||
<div class="line"><span class="lineno"> 157</span><span class="comment"> *</span></div>
|
||||
<div class="line"><span class="lineno"> 158</span><span class="comment"> * for i in range(64):</span></div>
|
||||
<div class="line"><span class="lineno"> 159</span><span class="comment"> * print(floor(2**32 * abs(sin(i+1))))</span></div>
|
||||
<div class="line"><span class="lineno"> 160</span><span class="comment"> * @endcode</span></div>
|
||||
<div class="line"><span class="lineno"> 161</span><span class="comment"> */</span></div>
|
||||
<div class="line"><span class="lineno"> 162</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<uint32_t, 64></a> K = {</div>
|
||||
<div class="line"><span class="lineno"> 163</span> 3614090360, 3905402710, 606105819, 3250441966, 4118548399, 1200080426,</div>
|
||||
<div class="line"><span class="lineno"> 164</span> 2821735955, 4249261313, 1770035416, 2336552879, 4294925233, 2304563134,</div>
|
||||
<div class="line"><span class="lineno"> 165</span> 1804603682, 4254626195, 2792965006, 1236535329, 4129170786, 3225465664,</div>
|
||||
<div class="line"><span class="lineno"> 166</span> 643717713, 3921069994, 3593408605, 38016083, 3634488961, 3889429448,</div>
|
||||
<div class="line"><span class="lineno"> 167</span> 568446438, 3275163606, 4107603335, 1163531501, 2850285829, 4243563512,</div>
|
||||
<div class="line"><span class="lineno"> 168</span> 1735328473, 2368359562, 4294588738, 2272392833, 1839030562, 4259657740,</div>
|
||||
<div class="line"><span class="lineno"> 169</span> 2763975236, 1272893353, 4139469664, 3200236656, 681279174, 3936430074,</div>
|
||||
<div class="line"><span class="lineno"> 170</span> 3572445317, 76029189, 3654602809, 3873151461, 530742520, 3299628645,</div>
|
||||
<div class="line"><span class="lineno"> 171</span> 4096336452, 1126891415, 2878612391, 4237533241, 1700485571, 2399980690,</div>
|
||||
<div class="line"><span class="lineno"> 172</span> 4293915773, 2240044497, 1873313359, 4264355552, 2734768916, 1309151649,</div>
|
||||
<div class="line"><span class="lineno"> 173</span> 4149444226, 3174756917, 718787259, 3951481745};</div>
|
||||
<div class="line"><span class="lineno"> 174</span> </div>
|
||||
<div class="line"><span class="lineno"> 175</span> <span class="comment">// The initial 128-bit state</span></div>
|
||||
<div class="line"><span class="lineno"> 176</span> uint32_t a0 = 0x67452301, A = 0;</div>
|
||||
<div class="line"><span class="lineno"> 177</span> uint32_t b0 = 0xefcdab89, B = 0;</div>
|
||||
<div class="line"><span class="lineno"> 178</span> uint32_t c0 = 0x98badcfe, C = 0;</div>
|
||||
<div class="line"><span class="lineno"> 179</span> uint32_t d0 = 0x10325476, D = 0;</div>
|
||||
<div class="line"><span class="lineno"> 180</span> </div>
|
||||
<div class="line"><span class="lineno"> 181</span> <span class="comment">// Step 1: Processing the bytestring</span></div>
|
||||
<div class="line"><span class="lineno"> 182</span> </div>
|
||||
<div class="line"><span class="lineno"> 183</span> <span class="comment">// First compute the size the padded message will have</span></div>
|
||||
<div class="line"><span class="lineno"> 184</span> <span class="comment">// so it is possible to allocate the right amount of memory</span></div>
|
||||
<div class="line"><span class="lineno"> 185</span> uint64_t padded_message_size = 0;</div>
|
||||
<div class="line"><span class="lineno"> 186</span> <span class="keywordflow">if</span> (input_size % 64 < 56) {</div>
|
||||
<div class="line"><span class="lineno"> 187</span> padded_message_size = input_size + 64 - (input_size % 64);</div>
|
||||
<div class="line"><span class="lineno"> 188</span> } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><span class="lineno"> 189</span> padded_message_size = input_size + 128 - (input_size % 64);</div>
|
||||
<div class="line"><span class="lineno"> 190</span> }</div>
|
||||
<div class="line"><span class="lineno"> 191</span> </div>
|
||||
<div class="line"><span class="lineno"> 192</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<uint8_t></a> padded_message(padded_message_size);</div>
|
||||
<div class="line"><span class="lineno"> 193</span> </div>
|
||||
<div class="line"><span class="lineno"> 194</span> <span class="comment">// Beginning of the padded message is the original message</span></div>
|
||||
<div class="line"><span class="lineno"> 195</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a>(input, input + input_size, padded_message.begin());</div>
|
||||
<div class="line"><span class="lineno"> 196</span> </div>
|
||||
<div class="line"><span class="lineno"> 197</span> <span class="comment">// Afterwards comes a single 1 bit and then only zeroes</span></div>
|
||||
<div class="line"><span class="lineno"> 198</span> padded_message[input_size] = 1 << 7; <span class="comment">// 10000000</span></div>
|
||||
<div class="line"><span class="lineno"> 199</span> <span class="keywordflow">for</span> (uint64_t i = input_size; i % 64 != 56; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 200</span> <span class="keywordflow">if</span> (i == input_size) {</div>
|
||||
<div class="line"><span class="lineno"> 201</span> <span class="keywordflow">continue</span>; <span class="comment">// pass first iteration</span></div>
|
||||
<div class="line"><span class="lineno"> 202</span> }</div>
|
||||
<div class="line"><span class="lineno"> 203</span> padded_message[i] = 0;</div>
|
||||
<div class="line"><span class="lineno"> 204</span> }</div>
|
||||
<div class="line"><span class="lineno"> 205</span> </div>
|
||||
<div class="line"><span class="lineno"> 206</span> <span class="comment">// We then have to add the 64-bit size of the message at the end</span></div>
|
||||
<div class="line"><span class="lineno"> 207</span> <span class="comment">// When there is a conversion from int to bytestring or vice-versa</span></div>
|
||||
<div class="line"><span class="lineno"> 208</span> <span class="comment">// We always need to make sure it is little endian</span></div>
|
||||
<div class="line"><span class="lineno"> 209</span> uint64_t input_bitsize_le = <a class="code hl_function" href="#a6be48c1e6e742f9bd329f501d61dcaef">toLittleEndian64</a>(input_size * 8);</div>
|
||||
<div class="line"><span class="lineno"> 210</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 8; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 211</span> padded_message[padded_message_size - 8 + i] =</div>
|
||||
<div class="line"><span class="lineno"> 212</span> (input_bitsize_le >> (56 - 8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 213</span> }</div>
|
||||
<div class="line"><span class="lineno"> 214</span> </div>
|
||||
<div class="line"><span class="lineno"> 215</span> <span class="comment">// Already allocate memory for blocks</span></div>
|
||||
<div class="line"><span class="lineno"> 216</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<uint32_t, 16></a> blocks{};</div>
|
||||
<div class="line"><span class="lineno"> 217</span> </div>
|
||||
<div class="line"><span class="lineno"> 218</span> <span class="comment">// Rounds</span></div>
|
||||
<div class="line"><span class="lineno"> 219</span> <span class="keywordflow">for</span> (uint64_t chunk = 0; chunk * 64 < padded_message_size; chunk++) {</div>
|
||||
<div class="line"><span class="lineno"> 220</span> <span class="comment">// First, build the 16 32-bits blocks from the chunk</span></div>
|
||||
<div class="line"><span class="lineno"> 221</span> <span class="keywordflow">for</span> (uint8_t bid = 0; bid < 16; bid++) {</div>
|
||||
<div class="line"><span class="lineno"> 222</span> blocks[bid] = 0;</div>
|
||||
<div class="line"><span class="lineno"> 223</span> </div>
|
||||
<div class="line"><span class="lineno"> 224</span> <span class="comment">// Having to build a 32-bit word from 4-bit words</span></div>
|
||||
<div class="line"><span class="lineno"> 225</span> <span class="comment">// Add each and shift them to the left</span></div>
|
||||
<div class="line"><span class="lineno"> 226</span> <span class="keywordflow">for</span> (uint8_t cid = 0; cid < 4; cid++) {</div>
|
||||
<div class="line"><span class="lineno"> 227</span> blocks[bid] = (blocks[bid] << 8) +</div>
|
||||
<div class="line"><span class="lineno"> 228</span> padded_message[chunk * 64 + bid * 4 + cid];</div>
|
||||
<div class="line"><span class="lineno"> 229</span> }</div>
|
||||
<div class="line"><span class="lineno"> 230</span> }</div>
|
||||
<div class="line"><span class="lineno"> 231</span> </div>
|
||||
<div class="line"><span class="lineno"> 232</span> A = a0;</div>
|
||||
<div class="line"><span class="lineno"> 233</span> B = b0;</div>
|
||||
<div class="line"><span class="lineno"> 234</span> C = c0;</div>
|
||||
<div class="line"><span class="lineno"> 235</span> D = d0;</div>
|
||||
<div class="line"><span class="lineno"> 236</span> </div>
|
||||
<div class="line"><span class="lineno"> 237</span> <span class="comment">// Main "hashing" loop</span></div>
|
||||
<div class="line"><span class="lineno"> 238</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 64; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 239</span> uint32_t F = 0, <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = 0;</div>
|
||||
<div class="line"><span class="lineno"> 240</span> <span class="keywordflow">if</span> (i < 16) {</div>
|
||||
<div class="line"><span class="lineno"> 241</span> F = (B & C) | ((~B) & D);</div>
|
||||
<div class="line"><span class="lineno"> 242</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = i;</div>
|
||||
<div class="line"><span class="lineno"> 243</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i < 32) {</div>
|
||||
<div class="line"><span class="lineno"> 244</span> F = (D & B) | ((~D) & C);</div>
|
||||
<div class="line"><span class="lineno"> 245</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = (5 * i + 1) % 16;</div>
|
||||
<div class="line"><span class="lineno"> 246</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i < 48) {</div>
|
||||
<div class="line"><span class="lineno"> 247</span> F = B ^ C ^ D;</div>
|
||||
<div class="line"><span class="lineno"> 248</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = (3 * i + 5) % 16;</div>
|
||||
<div class="line"><span class="lineno"> 249</span> } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><span class="lineno"> 250</span> F = C ^ (B | (~D));</div>
|
||||
<div class="line"><span class="lineno"> 251</span> <a class="code hl_function" href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">g</a> = (7 * i) % 16;</div>
|
||||
<div class="line"><span class="lineno"> 252</span> }</div>
|
||||
<div class="line"><span class="lineno"> 253</span> </div>
|
||||
<div class="line"><span class="lineno"> 254</span> <span class="comment">// Update the accumulators</span></div>
|
||||
<div class="line"><span class="lineno"> 255</span> F += A + K[i] + <a class="code hl_function" href="#a694712c9665051ba52b686387b87a689">toLittleEndian32</a>(blocks[g]);</div>
|
||||
<div class="line"><span class="lineno"> 256</span> </div>
|
||||
<div class="line"><span class="lineno"> 257</span> A = D;</div>
|
||||
<div class="line"><span class="lineno"> 258</span> D = C;</div>
|
||||
<div class="line"><span class="lineno"> 259</span> C = B;</div>
|
||||
<div class="line"><span class="lineno"> 260</span> B += <a class="code hl_function" href="#add2bf982d5dd64a45d13cba52c2b371d">leftRotate32bits</a>(F, s[i]);</div>
|
||||
<div class="line"><span class="lineno"> 261</span> }</div>
|
||||
<div class="line"><span class="lineno"> 262</span> <span class="comment">// Update the state with this chunk's hash</span></div>
|
||||
<div class="line"><span class="lineno"> 263</span> a0 += A;</div>
|
||||
<div class="line"><span class="lineno"> 264</span> b0 += B;</div>
|
||||
<div class="line"><span class="lineno"> 265</span> c0 += C;</div>
|
||||
<div class="line"><span class="lineno"> 266</span> d0 += D;</div>
|
||||
<div class="line"><span class="lineno"> 267</span> }</div>
|
||||
<div class="line"><span class="lineno"> 268</span> </div>
|
||||
<div class="line"><span class="lineno"> 269</span> <span class="comment">// Build signature from state</span></div>
|
||||
<div class="line"><span class="lineno"> 270</span> <span class="comment">// Note, any type could be used for the signature</span></div>
|
||||
<div class="line"><span class="lineno"> 271</span> <span class="comment">// uint8_t was used to make the 16 bytes obvious</span></div>
|
||||
<div class="line"><span class="lineno"> 272</span> <span class="comment">// The sig needs to be little endian</span></div>
|
||||
<div class="line"><span class="lineno"> 273</span> <span class="keyword">auto</span>* sig = <span class="keyword">new</span> uint8_t[16];</div>
|
||||
<div class="line"><span class="lineno"> 274</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 4; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 275</span> sig[i] = (a0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 276</span> sig[i + 4] = (b0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 277</span> sig[i + 8] = (c0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 278</span> sig[i + 12] = (d0 >> (8 * i)) & 0xFF;</div>
|
||||
<div class="line"><span class="lineno"> 279</span> }</div>
|
||||
<div class="line"><span class="lineno"> 280</span> </div>
|
||||
<div class="line"><span class="lineno"> 281</span> <span class="keywordflow">return</span> sig;</div>
|
||||
<div class="line"><span class="lineno"> 282</span>}</div>
|
||||
<div class="ttc" id="aarray_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a></div></div>
|
||||
<div class="ttc" id="acomposite__simpson__rule_8cpp_html_a2f67508d5f392b0321772169342c98ad"><div class="ttname"><a href="../../d4/d18/composite__simpson__rule_8cpp.html#a2f67508d5f392b0321772169342c98ad">numerical_methods::simpson_method::g</a></div><div class="ttdeci">double g(double x)</div><div class="ttdoc">Another test function.</div><div class="ttdef"><b>Definition</b> composite_simpson_rule.cpp:115</div></div>
|
||||
<div class="ttc" id="acopy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a></div><div class="ttdeci">T copy(T... args)</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_a694712c9665051ba52b686387b87a689"><div class="ttname"><a href="#a694712c9665051ba52b686387b87a689">hashing::md5::toLittleEndian32</a></div><div class="ttdeci">uint32_t toLittleEndian32(uint32_t n)</div><div class="ttdoc">Sets 32-bit integer to little-endian if needed.</div><div class="ttdef"><b>Definition</b> md5.cpp:89</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_a6be48c1e6e742f9bd329f501d61dcaef"><div class="ttname"><a href="#a6be48c1e6e742f9bd329f501d61dcaef">hashing::md5::toLittleEndian64</a></div><div class="ttdeci">uint64_t toLittleEndian64(uint64_t n)</div><div class="ttdoc">Sets 64-bit integer to little-endian if needed.</div><div class="ttdef"><b>Definition</b> md5.cpp:102</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_add2bf982d5dd64a45d13cba52c2b371d"><div class="ttname"><a href="#add2bf982d5dd64a45d13cba52c2b371d">hashing::md5::leftRotate32bits</a></div><div class="ttdeci">uint32_t leftRotate32bits(uint32_t n, std::size_t rotate)</div><div class="ttdoc">Rotates the bits of a 32-bit unsigned integer.</div><div class="ttdef"><b>Definition</b> md5.cpp:66</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_a694712c9665051ba52b686387b87a689"><div class="ttname"><a href="#a694712c9665051ba52b686387b87a689">hashing::md5::toLittleEndian32</a></div><div class="ttdeci">uint32_t toLittleEndian32(uint32_t n)</div><div class="ttdoc">Sets 32-bit integer to little-endian if needed.</div><div class="ttdef"><b>Definition</b> md5.cpp:90</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_a6be48c1e6e742f9bd329f501d61dcaef"><div class="ttname"><a href="#a6be48c1e6e742f9bd329f501d61dcaef">hashing::md5::toLittleEndian64</a></div><div class="ttdeci">uint64_t toLittleEndian64(uint64_t n)</div><div class="ttdoc">Sets 64-bit integer to little-endian if needed.</div><div class="ttdef"><b>Definition</b> md5.cpp:103</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_add2bf982d5dd64a45d13cba52c2b371d"><div class="ttname"><a href="#add2bf982d5dd64a45d13cba52c2b371d">hashing::md5::leftRotate32bits</a></div><div class="ttdeci">uint32_t leftRotate32bits(uint32_t n, std::size_t rotate)</div><div class="ttdoc">Rotates the bits of a 32-bit unsigned integer.</div><div class="ttdef"><b>Definition</b> md5.cpp:67</div></div>
|
||||
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
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||||
Here is the call graph for this function:</div>
|
||||
@@ -435,34 +436,34 @@ Here is the call graph for this function:</div>
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||||
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||||
<p>Puts user in a loop where inputs can be given and <a class="el" href="../../dd/d43/namespace_m_d5.html" title="Functions for the MD5 algorithm implementation.">MD5</a> hash will be computed and printed. </p>
|
||||
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 351</span> {</div>
|
||||
<div class="line"><span class="lineno"> 352</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
||||
<div class="line"><span class="lineno"> 353</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> input;</div>
|
||||
<div class="line"><span class="lineno"> 354</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Enter a message to be hashed (Ctrl-C to exit): "</span></div>
|
||||
<div class="line"><span class="lineno"> 355</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 356</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/getline.html">std::getline</a>(<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>, input);</div>
|
||||
<div class="line"><span class="lineno"> 357</span> <span class="keywordtype">void</span>* sig = <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(input);</div>
|
||||
<div class="line"><span class="lineno"> 358</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hash is: "</span> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 359</span> </div>
|
||||
<div class="line"><span class="lineno"> 360</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
||||
<div class="line"><span class="lineno"> 361</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Want to enter another message? (y/n) "</span>;</div>
|
||||
<div class="line"><span class="lineno"> 362</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/getline.html">std::getline</a>(<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>, input);</div>
|
||||
<div class="line"><span class="lineno"> 363</span> <span class="keywordflow">if</span> (input.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/compare.html">compare</a>(<span class="stringliteral">"y"</span>) == 0) {</div>
|
||||
<div class="line"><span class="lineno"> 364</span> <span class="keywordflow">break</span>;</div>
|
||||
<div class="line"><span class="lineno"> 365</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (input.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/compare.html">compare</a>(<span class="stringliteral">"n"</span>) == 0) {</div>
|
||||
<div class="line"><span class="lineno"> 366</span> <span class="keywordflow">return</span>;</div>
|
||||
<div class="line"><span class="lineno"> 367</span> }</div>
|
||||
<div class="line"><span class="lineno"> 368</span> }</div>
|
||||
<div class="line"><span class="lineno"> 369</span> }</div>
|
||||
<div class="line"><span class="lineno"> 370</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 352</span> {</div>
|
||||
<div class="line"><span class="lineno"> 353</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
||||
<div class="line"><span class="lineno"> 354</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> input;</div>
|
||||
<div class="line"><span class="lineno"> 355</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Enter a message to be hashed (Ctrl-C to exit): "</span></div>
|
||||
<div class="line"><span class="lineno"> 356</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 357</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/getline.html">std::getline</a>(<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>, input);</div>
|
||||
<div class="line"><span class="lineno"> 358</span> <span class="keywordtype">void</span>* sig = <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(input);</div>
|
||||
<div class="line"><span class="lineno"> 359</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hash is: "</span> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 360</span> </div>
|
||||
<div class="line"><span class="lineno"> 361</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
|
||||
<div class="line"><span class="lineno"> 362</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Want to enter another message? (y/n) "</span>;</div>
|
||||
<div class="line"><span class="lineno"> 363</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/getline.html">std::getline</a>(<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a>, input);</div>
|
||||
<div class="line"><span class="lineno"> 364</span> <span class="keywordflow">if</span> (input.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/compare.html">compare</a>(<span class="stringliteral">"y"</span>) == 0) {</div>
|
||||
<div class="line"><span class="lineno"> 365</span> <span class="keywordflow">break</span>;</div>
|
||||
<div class="line"><span class="lineno"> 366</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (input.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/compare.html">compare</a>(<span class="stringliteral">"n"</span>) == 0) {</div>
|
||||
<div class="line"><span class="lineno"> 367</span> <span class="keywordflow">return</span>;</div>
|
||||
<div class="line"><span class="lineno"> 368</span> }</div>
|
||||
<div class="line"><span class="lineno"> 369</span> }</div>
|
||||
<div class="line"><span class="lineno"> 370</span> }</div>
|
||||
<div class="line"><span class="lineno"> 371</span>}</div>
|
||||
<div class="ttc" id="abasic_istream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a></div></div>
|
||||
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
|
||||
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
|
||||
<div class="ttc" id="acompare_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/compare.html">std::string::compare</a></div><div class="ttdeci">T compare(T... args)</div></div>
|
||||
<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
|
||||
<div class="ttc" id="agetline_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/getline.html">std::getline</a></div><div class="ttdeci">T getline(T... args)</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_a88705fab5f92adf3427b4cf76ff33edb"><div class="ttname"><a href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a></div><div class="ttdeci">void * hash(const std::string &message)</div><div class="ttdoc">Converts the string to bytestring and calls the main algorithm.</div><div class="ttdef"><b>Definition</b> md5.cpp:287</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_aaee69c6136a841043f956de32116e348"><div class="ttname"><a href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a></div><div class="ttdeci">std::string sig2hex(void *sig)</div><div class="ttdoc">Transforms the 128-bit MD5 signature into a 32 char hex string.</div><div class="ttdef"><b>Definition</b> md5.cpp:122</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_a88705fab5f92adf3427b4cf76ff33edb"><div class="ttname"><a href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a></div><div class="ttdeci">void * hash(const std::string &message)</div><div class="ttdoc">Converts the string to bytestring and calls the main algorithm.</div><div class="ttdef"><b>Definition</b> md5.cpp:288</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_aaee69c6136a841043f956de32116e348"><div class="ttname"><a href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a></div><div class="ttdeci">std::string sig2hex(void *sig)</div><div class="ttdoc">Transforms the 128-bit MD5 signature into a 32 char hex string.</div><div class="ttdef"><b>Definition</b> md5.cpp:123</div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
|
||||
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||||
<div class="dyncontent">
|
||||
@@ -491,14 +492,14 @@ Here is the call graph for this function:</div>
|
||||
<dl class="section return"><dt>Returns</dt><dd>true IF integers are detected to work as big-endian </dd>
|
||||
<dd>
|
||||
false IF integers are detected to work as little-endian </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 76</span> {</div>
|
||||
<div class="line"><span class="lineno"> 77</span> <span class="keyword">union </span>{</div>
|
||||
<div class="line"><span class="lineno"> 78</span> uint32_t i;</div>
|
||||
<div class="line"><span class="lineno"> 79</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<char, 4></a> c;</div>
|
||||
<div class="line"><span class="lineno"> 80</span> } bint = {0x01020304};</div>
|
||||
<div class="line"><span class="lineno"> 81</span> </div>
|
||||
<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">return</span> bint.c[0] == 1;</div>
|
||||
<div class="line"><span class="lineno"> 83</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 77</span> {</div>
|
||||
<div class="line"><span class="lineno"> 78</span> <span class="keyword">union </span>{</div>
|
||||
<div class="line"><span class="lineno"> 79</span> uint32_t i;</div>
|
||||
<div class="line"><span class="lineno"> 80</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<char, 4></a> c;</div>
|
||||
<div class="line"><span class="lineno"> 81</span> } bint = {0x01020304};</div>
|
||||
<div class="line"><span class="lineno"> 82</span> </div>
|
||||
<div class="line"><span class="lineno"> 83</span> <span class="keywordflow">return</span> bint.c[0] == 1;</div>
|
||||
<div class="line"><span class="lineno"> 84</span>}</div>
|
||||
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<div class="dyncontent">
|
||||
@@ -535,9 +536,9 @@ Here is the call graph for this function:</div>
|
||||
</dd>
|
||||
</dl>
|
||||
<dl class="section return"><dt>Returns</dt><dd>uint32_t The rotated integer </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 66</span> {</div>
|
||||
<div class="line"><span class="lineno"> 67</span> <span class="keywordflow">return</span> (n << rotate) | (n >> (32 - <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/rotate.html">rotate</a>));</div>
|
||||
<div class="line"><span class="lineno"> 68</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 67</span> {</div>
|
||||
<div class="line"><span class="lineno"> 68</span> <span class="keywordflow">return</span> (n << rotate) | (n >> (32 - <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/rotate.html">rotate</a>));</div>
|
||||
<div class="line"><span class="lineno"> 69</span>}</div>
|
||||
<div class="ttc" id="arotate_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/rotate.html">std::rotate</a></div><div class="ttdeci">T rotate(T... args)</div></div>
|
||||
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@@ -564,16 +565,16 @@ Here is the call graph for this function:</div>
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||||
|
||||
<p>Main function. </p>
|
||||
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 376</span> {</div>
|
||||
<div class="line"><span class="lineno"> 377</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
|
||||
<div class="line"><span class="lineno"> 378</span> </div>
|
||||
<div class="line"><span class="lineno"> 379</span> <span class="comment">// Launch interactive mode where user can input messages and see</span></div>
|
||||
<div class="line"><span class="lineno"> 380</span> <span class="comment">// their hash</span></div>
|
||||
<div class="line"><span class="lineno"> 381</span> <a class="code hl_function" href="#ac9e1a11f44135b890dd10a00e73b5661">interactive</a>();</div>
|
||||
<div class="line"><span class="lineno"> 382</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><span class="lineno"> 383</span>}</div>
|
||||
<div class="ttc" id="amd5_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations of well-known MD5 hashes.</div><div class="ttdef"><b>Definition</b> md5.cpp:297</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_ac9e1a11f44135b890dd10a00e73b5661"><div class="ttname"><a href="#ac9e1a11f44135b890dd10a00e73b5661">interactive</a></div><div class="ttdeci">static void interactive()</div><div class="ttdoc">Puts user in a loop where inputs can be given and MD5 hash will be computed and printed.</div><div class="ttdef"><b>Definition</b> md5.cpp:351</div></div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 377</span> {</div>
|
||||
<div class="line"><span class="lineno"> 378</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
|
||||
<div class="line"><span class="lineno"> 379</span> </div>
|
||||
<div class="line"><span class="lineno"> 380</span> <span class="comment">// Launch interactive mode where user can input messages and see</span></div>
|
||||
<div class="line"><span class="lineno"> 381</span> <span class="comment">// their hash</span></div>
|
||||
<div class="line"><span class="lineno"> 382</span> <a class="code hl_function" href="#ac9e1a11f44135b890dd10a00e73b5661">interactive</a>();</div>
|
||||
<div class="line"><span class="lineno"> 383</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><span class="lineno"> 384</span>}</div>
|
||||
<div class="ttc" id="amd5_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations of well-known MD5 hashes.</div><div class="ttdef"><b>Definition</b> md5.cpp:298</div></div>
|
||||
<div class="ttc" id="amd5_8cpp_html_ac9e1a11f44135b890dd10a00e73b5661"><div class="ttname"><a href="#ac9e1a11f44135b890dd10a00e73b5661">interactive</a></div><div class="ttdeci">static void interactive()</div><div class="ttdoc">Puts user in a loop where inputs can be given and MD5 hash will be computed and printed.</div><div class="ttdef"><b>Definition</b> md5.cpp:352</div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
|
||||
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||||
<div class="dyncontent">
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||||
@@ -605,16 +606,16 @@ Here is the call graph for this function:</div>
|
||||
</dd>
|
||||
</dl>
|
||||
<dl class="section return"><dt>Returns</dt><dd><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> The hex signature </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 122</span> {</div>
|
||||
<div class="line"><span class="lineno"> 123</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* hexChars = <span class="stringliteral">"0123456789abcdef"</span>;</div>
|
||||
<div class="line"><span class="lineno"> 124</span> <span class="keyword">auto</span>* intsig = <span class="keyword">static_cast<</span>uint8_t*<span class="keyword">></span>(sig);</div>
|
||||
<div class="line"><span class="lineno"> 125</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a> = <span class="stringliteral">""</span>;</div>
|
||||
<div class="line"><span class="lineno"> 126</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 16; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 127</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a>.push_back(hexChars[(intsig[i] >> 4) & 0xF]);</div>
|
||||
<div class="line"><span class="lineno"> 128</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a>.push_back(hexChars[(intsig[i]) & 0xF]);</div>
|
||||
<div class="line"><span class="lineno"> 129</span> }</div>
|
||||
<div class="line"><span class="lineno"> 130</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a>;</div>
|
||||
<div class="line"><span class="lineno"> 131</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 123</span> {</div>
|
||||
<div class="line"><span class="lineno"> 124</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* hexChars = <span class="stringliteral">"0123456789abcdef"</span>;</div>
|
||||
<div class="line"><span class="lineno"> 125</span> <span class="keyword">auto</span>* intsig = <span class="keyword">static_cast<</span>uint8_t*<span class="keyword">></span>(sig);</div>
|
||||
<div class="line"><span class="lineno"> 126</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a> = <span class="stringliteral">""</span>;</div>
|
||||
<div class="line"><span class="lineno"> 127</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < 16; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 128</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a>.push_back(hexChars[(intsig[i] >> 4) & 0xF]);</div>
|
||||
<div class="line"><span class="lineno"> 129</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a>.push_back(hexChars[(intsig[i]) & 0xF]);</div>
|
||||
<div class="line"><span class="lineno"> 130</span> }</div>
|
||||
<div class="line"><span class="lineno"> 131</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/hex.html">hex</a>;</div>
|
||||
<div class="line"><span class="lineno"> 132</span>}</div>
|
||||
<div class="ttc" id="ahex_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/hex.html">std::hex</a></div><div class="ttdeci">T hex(T... args)</div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
|
||||
Here is the call graph for this function:</div>
|
||||
@@ -649,54 +650,54 @@ Here is the call graph for this function:</div>
|
||||
|
||||
<p>Self-test implementations of well-known <a class="el" href="../../dd/d43/namespace_m_d5.html" title="Functions for the MD5 algorithm implementation.">MD5</a> hashes. </p>
|
||||
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 297</span> {</div>
|
||||
<div class="line"><span class="lineno"> 298</span> <span class="comment">// Hashes empty string and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 299</span> <span class="keywordtype">void</span>* sig = <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(<span class="stringliteral">""</span>);</div>
|
||||
<div class="line"><span class="lineno"> 300</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hashing empty string"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 301</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 302</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 303</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 304</span> assert(hashing::md5::sig2hex(sig).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 305</span> <span class="stringliteral">"d41d8cd98f00b204e9800998ecf8427e"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 306</span> </div>
|
||||
<div class="line"><span class="lineno"> 307</span> <span class="comment">// Hashes "The quick brown fox jumps over the lazy dog" and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 308</span> <span class="keywordtype">void</span>* sig2 =</div>
|
||||
<div class="line"><span class="lineno"> 309</span> <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(<span class="stringliteral">"The quick brown fox jumps over the lazy dog"</span>);</div>
|
||||
<div class="line"><span class="lineno"> 310</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hashing The quick brown fox jumps over the lazy dog"</span></div>
|
||||
<div class="line"><span class="lineno"> 311</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 312</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 313</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig2) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 314</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 315</span> assert(hashing::md5::sig2hex(sig2).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 316</span> <span class="stringliteral">"9e107d9d372bb6826bd81d3542a419d6"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 317</span> </div>
|
||||
<div class="line"><span class="lineno"> 318</span> <span class="comment">// Hashes "The quick brown fox jumps over the lazy dog." (notice the</span></div>
|
||||
<div class="line"><span class="lineno"> 319</span> <span class="comment">// additional period) and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 320</span> <span class="keywordtype">void</span>* sig3 =</div>
|
||||
<div class="line"><span class="lineno"> 321</span> <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(<span class="stringliteral">"The quick brown fox jumps over the lazy dog."</span>);</div>
|
||||
<div class="line"><span class="lineno"> 322</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hashing "</span></div>
|
||||
<div class="line"><span class="lineno"> 323</span> <span class="stringliteral">"The quick brown fox jumps over the lazy dog."</span></div>
|
||||
<div class="line"><span class="lineno"> 324</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 325</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 326</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig3) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 327</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 328</span> assert(hashing::md5::sig2hex(sig3).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 329</span> <span class="stringliteral">"e4d909c290d0fb1ca068ffaddf22cbd0"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 330</span> </div>
|
||||
<div class="line"><span class="lineno"> 331</span> <span class="comment">// Hashes "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"</span></div>
|
||||
<div class="line"><span class="lineno"> 332</span> <span class="comment">// and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 333</span> <span class="keywordtype">void</span>* sig4 = <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(</div>
|
||||
<div class="line"><span class="lineno"> 334</span> <span class="stringliteral">"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"</span>);</div>
|
||||
<div class="line"><span class="lineno"> 335</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div>
|
||||
<div class="line"><span class="lineno"> 336</span> << <span class="stringliteral">"Hashing "</span></div>
|
||||
<div class="line"><span class="lineno"> 337</span> <span class="stringliteral">"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"</span></div>
|
||||
<div class="line"><span class="lineno"> 338</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 339</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 340</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig4) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 341</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 342</span> assert(hashing::md5::sig2hex(sig4).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 343</span> <span class="stringliteral">"d174ab98d277d9f5a5611c2c9f419d9f"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 344</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 298</span> {</div>
|
||||
<div class="line"><span class="lineno"> 299</span> <span class="comment">// Hashes empty string and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 300</span> <span class="keywordtype">void</span>* sig = <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(<span class="stringliteral">""</span>);</div>
|
||||
<div class="line"><span class="lineno"> 301</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hashing empty string"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 302</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 303</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 304</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 305</span> assert(hashing::md5::sig2hex(sig).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 306</span> <span class="stringliteral">"d41d8cd98f00b204e9800998ecf8427e"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 307</span> </div>
|
||||
<div class="line"><span class="lineno"> 308</span> <span class="comment">// Hashes "The quick brown fox jumps over the lazy dog" and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 309</span> <span class="keywordtype">void</span>* sig2 =</div>
|
||||
<div class="line"><span class="lineno"> 310</span> <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(<span class="stringliteral">"The quick brown fox jumps over the lazy dog"</span>);</div>
|
||||
<div class="line"><span class="lineno"> 311</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hashing The quick brown fox jumps over the lazy dog"</span></div>
|
||||
<div class="line"><span class="lineno"> 312</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 313</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 314</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig2) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 315</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 316</span> assert(hashing::md5::sig2hex(sig2).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 317</span> <span class="stringliteral">"9e107d9d372bb6826bd81d3542a419d6"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 318</span> </div>
|
||||
<div class="line"><span class="lineno"> 319</span> <span class="comment">// Hashes "The quick brown fox jumps over the lazy dog." (notice the</span></div>
|
||||
<div class="line"><span class="lineno"> 320</span> <span class="comment">// additional period) and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 321</span> <span class="keywordtype">void</span>* sig3 =</div>
|
||||
<div class="line"><span class="lineno"> 322</span> <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(<span class="stringliteral">"The quick brown fox jumps over the lazy dog."</span>);</div>
|
||||
<div class="line"><span class="lineno"> 323</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Hashing "</span></div>
|
||||
<div class="line"><span class="lineno"> 324</span> <span class="stringliteral">"The quick brown fox jumps over the lazy dog."</span></div>
|
||||
<div class="line"><span class="lineno"> 325</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 326</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 327</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig3) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 328</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 329</span> assert(hashing::md5::sig2hex(sig3).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 330</span> <span class="stringliteral">"e4d909c290d0fb1ca068ffaddf22cbd0"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 331</span> </div>
|
||||
<div class="line"><span class="lineno"> 332</span> <span class="comment">// Hashes "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"</span></div>
|
||||
<div class="line"><span class="lineno"> 333</span> <span class="comment">// and stores signature</span></div>
|
||||
<div class="line"><span class="lineno"> 334</span> <span class="keywordtype">void</span>* sig4 = <a class="code hl_function" href="#a88705fab5f92adf3427b4cf76ff33edb">hashing::md5::hash</a>(</div>
|
||||
<div class="line"><span class="lineno"> 335</span> <span class="stringliteral">"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"</span>);</div>
|
||||
<div class="line"><span class="lineno"> 336</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div>
|
||||
<div class="line"><span class="lineno"> 337</span> << <span class="stringliteral">"Hashing "</span></div>
|
||||
<div class="line"><span class="lineno"> 338</span> <span class="stringliteral">"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"</span></div>
|
||||
<div class="line"><span class="lineno"> 339</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 340</span> <span class="comment">// Prints signature hex representation</span></div>
|
||||
<div class="line"><span class="lineno"> 341</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_function" href="#aaee69c6136a841043f956de32116e348">hashing::md5::sig2hex</a>(sig4) << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 342</span> <span class="comment">// Test with cassert whether sig is correct from the expected value</span></div>
|
||||
<div class="line"><span class="lineno"> 343</span> assert(hashing::md5::sig2hex(sig4).<a class="code hl_function" href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a>(</div>
|
||||
<div class="line"><span class="lineno"> 344</span> <span class="stringliteral">"d174ab98d277d9f5a5611c2c9f419d9f"</span>) == 0);</div>
|
||||
<div class="line"><span class="lineno"> 345</span>}</div>
|
||||
<div class="ttc" id="ashell__sort2_8cpp_html_a7eb77daed2cf1513f6d68c47a1c2db1c"><div class="ttname"><a href="../../d4/d7a/shell__sort2_8cpp.html#a7eb77daed2cf1513f6d68c47a1c2db1c">compare</a></div><div class="ttdeci">int compare(const void *a, const void *b)</div><div class="ttdef"><b>Definition</b> shell_sort2.cpp:87</div></div>
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@@ -729,15 +730,15 @@ Here is the call graph for this function:</div>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>uint32_t param n with binary representation as little-endian </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 89</span> {</div>
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<div class="line"><span class="lineno"> 90</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="#af8e96bde0183c4b0a7ff04668f11e446">isBigEndian</a>()) {</div>
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<div class="line"><span class="lineno"> 91</span> <span class="keywordflow">return</span> ((n << 24) & 0xFF000000) | ((n << 8) & 0x00FF0000) |</div>
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<div class="line"><span class="lineno"> 92</span> ((n >> 8) & 0x0000FF00) | ((n >> 24) & 0x000000FF);</div>
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<div class="line"><span class="lineno"> 93</span> }</div>
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<div class="line"><span class="lineno"> 94</span> <span class="comment">// Machine works on little endian, no need to change anything</span></div>
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<div class="line"><span class="lineno"> 95</span> <span class="keywordflow">return</span> n;</div>
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<div class="line"><span class="lineno"> 96</span>}</div>
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<div class="ttc" id="amd5_8cpp_html_af8e96bde0183c4b0a7ff04668f11e446"><div class="ttname"><a href="#af8e96bde0183c4b0a7ff04668f11e446">hashing::md5::isBigEndian</a></div><div class="ttdeci">bool isBigEndian()</div><div class="ttdoc">Checks whether integers are stored as big endian or not.</div><div class="ttdef"><b>Definition</b> md5.cpp:76</div></div>
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<div class="fragment"><div class="line"><span class="lineno"> 90</span> {</div>
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<div class="line"><span class="lineno"> 91</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="#af8e96bde0183c4b0a7ff04668f11e446">isBigEndian</a>()) {</div>
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<div class="line"><span class="lineno"> 92</span> <span class="keywordflow">return</span> ((n << 24) & 0xFF000000) | ((n << 8) & 0x00FF0000) |</div>
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<div class="line"><span class="lineno"> 93</span> ((n >> 8) & 0x0000FF00) | ((n >> 24) & 0x000000FF);</div>
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<div class="line"><span class="lineno"> 94</span> }</div>
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<div class="line"><span class="lineno"> 95</span> <span class="comment">// Machine works on little endian, no need to change anything</span></div>
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<div class="line"><span class="lineno"> 96</span> <span class="keywordflow">return</span> n;</div>
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<div class="line"><span class="lineno"> 97</span>}</div>
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<div class="ttc" id="amd5_8cpp_html_af8e96bde0183c4b0a7ff04668f11e446"><div class="ttname"><a href="#af8e96bde0183c4b0a7ff04668f11e446">hashing::md5::isBigEndian</a></div><div class="ttdeci">bool isBigEndian()</div><div class="ttdoc">Checks whether integers are stored as big endian or not.</div><div class="ttdef"><b>Definition</b> md5.cpp:77</div></div>
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@@ -769,21 +770,21 @@ Here is the call graph for this function:</div>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>uint64_t param n with binary representation as little-endian </dd></dl>
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<div class="fragment"><div class="line"><span class="lineno"> 102</span> {</div>
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<div class="line"><span class="lineno"> 103</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="#af8e96bde0183c4b0a7ff04668f11e446">isBigEndian</a>()) {</div>
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<div class="line"><span class="lineno"> 104</span> <span class="keywordflow">return</span> ((n << 56) & 0xFF00000000000000) |</div>
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<div class="line"><span class="lineno"> 105</span> ((n << 40) & 0x00FF000000000000) |</div>
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<div class="line"><span class="lineno"> 106</span> ((n << 24) & 0x0000FF0000000000) |</div>
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<div class="line"><span class="lineno"> 107</span> ((n << 8) & 0x000000FF00000000) |</div>
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<div class="line"><span class="lineno"> 108</span> ((n >> 8) & 0x00000000FF000000) |</div>
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<div class="line"><span class="lineno"> 109</span> ((n >> 24) & 0x0000000000FF0000) |</div>
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<div class="line"><span class="lineno"> 110</span> ((n >> 40) & 0x000000000000FF00) |</div>
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<div class="line"><span class="lineno"> 111</span> ((n >> 56) & 0x00000000000000FF);</div>
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<div class="line"><span class="lineno"> 112</span> ;</div>
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<div class="line"><span class="lineno"> 113</span> }</div>
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<div class="line"><span class="lineno"> 114</span> <span class="comment">// Machine works on little endian, no need to change anything</span></div>
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<div class="line"><span class="lineno"> 115</span> <span class="keywordflow">return</span> n;</div>
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<div class="line"><span class="lineno"> 116</span>}</div>
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<div class="fragment"><div class="line"><span class="lineno"> 103</span> {</div>
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||||
<div class="line"><span class="lineno"> 104</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="#af8e96bde0183c4b0a7ff04668f11e446">isBigEndian</a>()) {</div>
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||||
<div class="line"><span class="lineno"> 105</span> <span class="keywordflow">return</span> ((n << 56) & 0xFF00000000000000) |</div>
|
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<div class="line"><span class="lineno"> 106</span> ((n << 40) & 0x00FF000000000000) |</div>
|
||||
<div class="line"><span class="lineno"> 107</span> ((n << 24) & 0x0000FF0000000000) |</div>
|
||||
<div class="line"><span class="lineno"> 108</span> ((n << 8) & 0x000000FF00000000) |</div>
|
||||
<div class="line"><span class="lineno"> 109</span> ((n >> 8) & 0x00000000FF000000) |</div>
|
||||
<div class="line"><span class="lineno"> 110</span> ((n >> 24) & 0x0000000000FF0000) |</div>
|
||||
<div class="line"><span class="lineno"> 111</span> ((n >> 40) & 0x000000000000FF00) |</div>
|
||||
<div class="line"><span class="lineno"> 112</span> ((n >> 56) & 0x00000000000000FF);</div>
|
||||
<div class="line"><span class="lineno"> 113</span> ;</div>
|
||||
<div class="line"><span class="lineno"> 114</span> }</div>
|
||||
<div class="line"><span class="lineno"> 115</span> <span class="comment">// Machine works on little endian, no need to change anything</span></div>
|
||||
<div class="line"><span class="lineno"> 116</span> <span class="keywordflow">return</span> n;</div>
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<div class="line"><span class="lineno"> 117</span>}</div>
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Reference in New Issue
Block a user