<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="generator" content="rustdoc">
<meta name="description" content="Source to the Rust file `/home/dimitris/.cargo/registry/src/github.com-1ecc6299db9ec823/rust-crypto-0.2.36/src/md5.rs`.">
<meta name="keywords" content="rust, rustlang, rust-lang">
<title>md5.rs.html -- source</title>
<link rel="stylesheet" type="text/css" href="../../normalize.css">
<link rel="stylesheet" type="text/css" href="../../rustdoc.css">
<link rel="stylesheet" type="text/css" href="../../main.css">
</head>
<body class="rustdoc">
<!--[if lte IE 8]>
<div class="warning">
This old browser is unsupported and will most likely display funky
things.
</div>
<![endif]-->
<nav class="sidebar">
</nav>
<nav class="sub">
<form class="search-form js-only">
<div class="search-container">
<input class="search-input" name="search"
autocomplete="off"
placeholder="Click or press ‘S’ to search, ‘?’ for more options…"
type="search">
</div>
</form>
</nav>
<section id='main' class="content source"><pre class="line-numbers"><span id="1"> 1</span>
<span id="2"> 2</span>
<span id="3"> 3</span>
<span id="4"> 4</span>
<span id="5"> 5</span>
<span id="6"> 6</span>
<span id="7"> 7</span>
<span id="8"> 8</span>
<span id="9"> 9</span>
<span id="10"> 10</span>
<span id="11"> 11</span>
<span id="12"> 12</span>
<span id="13"> 13</span>
<span id="14"> 14</span>
<span id="15"> 15</span>
<span id="16"> 16</span>
<span id="17"> 17</span>
<span id="18"> 18</span>
<span id="19"> 19</span>
<span id="20"> 20</span>
<span id="21"> 21</span>
<span id="22"> 22</span>
<span id="23"> 23</span>
<span id="24"> 24</span>
<span id="25"> 25</span>
<span id="26"> 26</span>
<span id="27"> 27</span>
<span id="28"> 28</span>
<span id="29"> 29</span>
<span id="30"> 30</span>
<span id="31"> 31</span>
<span id="32"> 32</span>
<span id="33"> 33</span>
<span id="34"> 34</span>
<span id="35"> 35</span>
<span id="36"> 36</span>
<span id="37"> 37</span>
<span id="38"> 38</span>
<span id="39"> 39</span>
<span id="40"> 40</span>
<span id="41"> 41</span>
<span id="42"> 42</span>
<span id="43"> 43</span>
<span id="44"> 44</span>
<span id="45"> 45</span>
<span id="46"> 46</span>
<span id="47"> 47</span>
<span id="48"> 48</span>
<span id="49"> 49</span>
<span id="50"> 50</span>
<span id="51"> 51</span>
<span id="52"> 52</span>
<span id="53"> 53</span>
<span id="54"> 54</span>
<span id="55"> 55</span>
<span id="56"> 56</span>
<span id="57"> 57</span>
<span id="58"> 58</span>
<span id="59"> 59</span>
<span id="60"> 60</span>
<span id="61"> 61</span>
<span id="62"> 62</span>
<span id="63"> 63</span>
<span id="64"> 64</span>
<span id="65"> 65</span>
<span id="66"> 66</span>
<span id="67"> 67</span>
<span id="68"> 68</span>
<span id="69"> 69</span>
<span id="70"> 70</span>
<span id="71"> 71</span>
<span id="72"> 72</span>
<span id="73"> 73</span>
<span id="74"> 74</span>
<span id="75"> 75</span>
<span id="76"> 76</span>
<span id="77"> 77</span>
<span id="78"> 78</span>
<span id="79"> 79</span>
<span id="80"> 80</span>
<span id="81"> 81</span>
<span id="82"> 82</span>
<span id="83"> 83</span>
<span id="84"> 84</span>
<span id="85"> 85</span>
<span id="86"> 86</span>
<span id="87"> 87</span>
<span id="88"> 88</span>
<span id="89"> 89</span>
<span id="90"> 90</span>
<span id="91"> 91</span>
<span id="92"> 92</span>
<span id="93"> 93</span>
<span id="94"> 94</span>
<span id="95"> 95</span>
<span id="96"> 96</span>
<span id="97"> 97</span>
<span id="98"> 98</span>
<span id="99"> 99</span>
<span id="100">100</span>
<span id="101">101</span>
<span id="102">102</span>
<span id="103">103</span>
<span id="104">104</span>
<span id="105">105</span>
<span id="106">106</span>
<span id="107">107</span>
<span id="108">108</span>
<span id="109">109</span>
<span id="110">110</span>
<span id="111">111</span>
<span id="112">112</span>
<span id="113">113</span>
<span id="114">114</span>
<span id="115">115</span>
<span id="116">116</span>
<span id="117">117</span>
<span id="118">118</span>
<span id="119">119</span>
<span id="120">120</span>
<span id="121">121</span>
<span id="122">122</span>
<span id="123">123</span>
<span id="124">124</span>
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
<span id="130">130</span>
<span id="131">131</span>
<span id="132">132</span>
<span id="133">133</span>
<span id="134">134</span>
<span id="135">135</span>
<span id="136">136</span>
<span id="137">137</span>
<span id="138">138</span>
<span id="139">139</span>
<span id="140">140</span>
<span id="141">141</span>
<span id="142">142</span>
<span id="143">143</span>
<span id="144">144</span>
<span id="145">145</span>
<span id="146">146</span>
<span id="147">147</span>
<span id="148">148</span>
<span id="149">149</span>
<span id="150">150</span>
<span id="151">151</span>
<span id="152">152</span>
<span id="153">153</span>
<span id="154">154</span>
<span id="155">155</span>
<span id="156">156</span>
<span id="157">157</span>
<span id="158">158</span>
<span id="159">159</span>
<span id="160">160</span>
<span id="161">161</span>
<span id="162">162</span>
<span id="163">163</span>
<span id="164">164</span>
<span id="165">165</span>
<span id="166">166</span>
<span id="167">167</span>
<span id="168">168</span>
<span id="169">169</span>
<span id="170">170</span>
<span id="171">171</span>
<span id="172">172</span>
<span id="173">173</span>
<span id="174">174</span>
<span id="175">175</span>
<span id="176">176</span>
<span id="177">177</span>
<span id="178">178</span>
<span id="179">179</span>
<span id="180">180</span>
<span id="181">181</span>
<span id="182">182</span>
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
<span id="187">187</span>
<span id="188">188</span>
<span id="189">189</span>
<span id="190">190</span>
<span id="191">191</span>
<span id="192">192</span>
<span id="193">193</span>
<span id="194">194</span>
<span id="195">195</span>
<span id="196">196</span>
<span id="197">197</span>
<span id="198">198</span>
<span id="199">199</span>
<span id="200">200</span>
<span id="201">201</span>
<span id="202">202</span>
<span id="203">203</span>
<span id="204">204</span>
<span id="205">205</span>
<span id="206">206</span>
<span id="207">207</span>
<span id="208">208</span>
<span id="209">209</span>
<span id="210">210</span>
<span id="211">211</span>
<span id="212">212</span>
<span id="213">213</span>
<span id="214">214</span>
<span id="215">215</span>
<span id="216">216</span>
<span id="217">217</span>
<span id="218">218</span>
<span id="219">219</span>
<span id="220">220</span>
<span id="221">221</span>
<span id="222">222</span>
<span id="223">223</span>
<span id="224">224</span>
<span id="225">225</span>
<span id="226">226</span>
<span id="227">227</span>
<span id="228">228</span>
<span id="229">229</span>
<span id="230">230</span>
<span id="231">231</span>
<span id="232">232</span>
<span id="233">233</span>
<span id="234">234</span>
<span id="235">235</span>
<span id="236">236</span>
<span id="237">237</span>
<span id="238">238</span>
<span id="239">239</span>
<span id="240">240</span>
<span id="241">241</span>
<span id="242">242</span>
<span id="243">243</span>
<span id="244">244</span>
<span id="245">245</span>
<span id="246">246</span>
<span id="247">247</span>
<span id="248">248</span>
<span id="249">249</span>
<span id="250">250</span>
<span id="251">251</span>
<span id="252">252</span>
<span id="253">253</span>
<span id="254">254</span>
<span id="255">255</span>
<span id="256">256</span>
<span id="257">257</span>
<span id="258">258</span>
<span id="259">259</span>
<span id="260">260</span>
<span id="261">261</span>
<span id="262">262</span>
<span id="263">263</span>
<span id="264">264</span>
<span id="265">265</span>
<span id="266">266</span>
<span id="267">267</span>
<span id="268">268</span>
<span id="269">269</span>
<span id="270">270</span>
<span id="271">271</span>
<span id="272">272</span>
<span id="273">273</span>
<span id="274">274</span>
<span id="275">275</span>
<span id="276">276</span>
<span id="277">277</span>
<span id="278">278</span>
<span id="279">279</span>
<span id="280">280</span>
<span id="281">281</span>
<span id="282">282</span>
<span id="283">283</span>
<span id="284">284</span>
<span id="285">285</span>
<span id="286">286</span>
<span id="287">287</span>
<span id="288">288</span>
<span id="289">289</span>
<span id="290">290</span>
<span id="291">291</span>
<span id="292">292</span>
<span id="293">293</span>
<span id="294">294</span>
<span id="295">295</span>
<span id="296">296</span>
<span id="297">297</span>
<span id="298">298</span>
<span id="299">299</span>
<span id="300">300</span>
<span id="301">301</span>
<span id="302">302</span>
<span id="303">303</span>
<span id="304">304</span>
<span id="305">305</span>
<span id="306">306</span>
<span id="307">307</span>
<span id="308">308</span>
<span id="309">309</span>
<span id="310">310</span>
<span id="311">311</span>
<span id="312">312</span>
<span id="313">313</span>
<span id="314">314</span>
<span id="315">315</span>
<span id="316">316</span>
<span id="317">317</span>
<span id="318">318</span>
<span id="319">319</span>
<span id="320">320</span>
<span id="321">321</span>
<span id="322">322</span>
<span id="323">323</span>
<span id="324">324</span>
<span id="325">325</span>
<span id="326">326</span>
<span id="327">327</span>
<span id="328">328</span>
</pre><pre class='rust '>
<span class='comment'>// Copyright 2013 The Rust Project Developers. See the COPYRIGHT</span>
<span class='comment'>// file at the top-level directory of this distribution and at</span>
<span class='comment'>// http://rust-lang.org/COPYRIGHT.</span>
<span class='comment'>//</span>
<span class='comment'>// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or</span>
<span class='comment'>// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license</span>
<span class='comment'>// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your</span>
<span class='comment'>// option. This file may not be copied, modified, or distributed</span>
<span class='comment'>// except according to those terms.</span>
<span class='kw'>use</span> <span class='ident'>cryptoutil</span>::{<span class='ident'>write_u32_le</span>, <span class='ident'>read_u32v_le</span>, <span class='ident'>FixedBuffer</span>, <span class='ident'>FixedBuffer64</span>, <span class='ident'>StandardPadding</span>};
<span class='kw'>use</span> <span class='ident'>digest</span>::<span class='ident'>Digest</span>;
<span class='kw'>use</span> <span class='ident'>step_by</span>::<span class='ident'>RangeExt</span>;
<span class='comment'>// A structure that represents that state of a digest computation for the MD5 digest function</span>
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>, <span class='ident'>Copy</span>)]</span>
<span class='kw'>struct</span> <span class='ident'>Md5State</span> {
<span class='ident'>s0</span>: <span class='ident'>u32</span>,
<span class='ident'>s1</span>: <span class='ident'>u32</span>,
<span class='ident'>s2</span>: <span class='ident'>u32</span>,
<span class='ident'>s3</span>: <span class='ident'>u32</span>
}
<span class='kw'>impl</span> <span class='ident'>Md5State</span> {
<span class='kw'>fn</span> <span class='ident'>new</span>() <span class='op'>-></span> <span class='ident'>Md5State</span> {
<span class='ident'>Md5State</span> {
<span class='ident'>s0</span>: <span class='number'>0x67452301</span>,
<span class='ident'>s1</span>: <span class='number'>0xefcdab89</span>,
<span class='ident'>s2</span>: <span class='number'>0x98badcfe</span>,
<span class='ident'>s3</span>: <span class='number'>0x10325476</span>
}
}
<span class='kw'>fn</span> <span class='ident'>reset</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) {
<span class='self'>self</span>.<span class='ident'>s0</span> <span class='op'>=</span> <span class='number'>0x67452301</span>;
<span class='self'>self</span>.<span class='ident'>s1</span> <span class='op'>=</span> <span class='number'>0xefcdab89</span>;
<span class='self'>self</span>.<span class='ident'>s2</span> <span class='op'>=</span> <span class='number'>0x98badcfe</span>;
<span class='self'>self</span>.<span class='ident'>s3</span> <span class='op'>=</span> <span class='number'>0x10325476</span>;
}
<span class='kw'>fn</span> <span class='ident'>process_block</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>input</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) {
<span class='kw'>fn</span> <span class='ident'>f</span>(<span class='ident'>u</span>: <span class='ident'>u32</span>, <span class='ident'>v</span>: <span class='ident'>u32</span>, <span class='ident'>w</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
(<span class='ident'>u</span> <span class='op'>&</span> <span class='ident'>v</span>) <span class='op'>|</span> (<span class='op'>!</span><span class='ident'>u</span> <span class='op'>&</span> <span class='ident'>w</span>)
}
<span class='kw'>fn</span> <span class='ident'>g</span>(<span class='ident'>u</span>: <span class='ident'>u32</span>, <span class='ident'>v</span>: <span class='ident'>u32</span>, <span class='ident'>w</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
(<span class='ident'>u</span> <span class='op'>&</span> <span class='ident'>w</span>) <span class='op'>|</span> (<span class='ident'>v</span> <span class='op'>&</span> <span class='op'>!</span><span class='ident'>w</span>)
}
<span class='kw'>fn</span> <span class='ident'>h</span>(<span class='ident'>u</span>: <span class='ident'>u32</span>, <span class='ident'>v</span>: <span class='ident'>u32</span>, <span class='ident'>w</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
<span class='ident'>u</span> <span class='op'>^</span> <span class='ident'>v</span> <span class='op'>^</span> <span class='ident'>w</span>
}
<span class='kw'>fn</span> <span class='ident'>i</span>(<span class='ident'>u</span>: <span class='ident'>u32</span>, <span class='ident'>v</span>: <span class='ident'>u32</span>, <span class='ident'>w</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
<span class='ident'>v</span> <span class='op'>^</span> (<span class='ident'>u</span> <span class='op'>|</span> <span class='op'>!</span><span class='ident'>w</span>)
}
<span class='kw'>fn</span> <span class='ident'>op_f</span>(<span class='ident'>w</span>: <span class='ident'>u32</span>, <span class='ident'>x</span>: <span class='ident'>u32</span>, <span class='ident'>y</span>: <span class='ident'>u32</span>, <span class='ident'>z</span>: <span class='ident'>u32</span>, <span class='ident'>m</span>: <span class='ident'>u32</span>, <span class='ident'>s</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
<span class='ident'>w</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>f</span>(<span class='ident'>x</span>, <span class='ident'>y</span>, <span class='ident'>z</span>)).<span class='ident'>wrapping_add</span>(<span class='ident'>m</span>).<span class='ident'>rotate_left</span>(<span class='ident'>s</span>).<span class='ident'>wrapping_add</span>(<span class='ident'>x</span>)
}
<span class='kw'>fn</span> <span class='ident'>op_g</span>(<span class='ident'>w</span>: <span class='ident'>u32</span>, <span class='ident'>x</span>: <span class='ident'>u32</span>, <span class='ident'>y</span>: <span class='ident'>u32</span>, <span class='ident'>z</span>: <span class='ident'>u32</span>, <span class='ident'>m</span>: <span class='ident'>u32</span>, <span class='ident'>s</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
<span class='ident'>w</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>g</span>(<span class='ident'>x</span>, <span class='ident'>y</span>, <span class='ident'>z</span>)).<span class='ident'>wrapping_add</span>(<span class='ident'>m</span>).<span class='ident'>rotate_left</span>(<span class='ident'>s</span>).<span class='ident'>wrapping_add</span>(<span class='ident'>x</span>)
}
<span class='kw'>fn</span> <span class='ident'>op_h</span>(<span class='ident'>w</span>: <span class='ident'>u32</span>, <span class='ident'>x</span>: <span class='ident'>u32</span>, <span class='ident'>y</span>: <span class='ident'>u32</span>, <span class='ident'>z</span>: <span class='ident'>u32</span>, <span class='ident'>m</span>: <span class='ident'>u32</span>, <span class='ident'>s</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
<span class='ident'>w</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>h</span>(<span class='ident'>x</span>, <span class='ident'>y</span>, <span class='ident'>z</span>)).<span class='ident'>wrapping_add</span>(<span class='ident'>m</span>).<span class='ident'>rotate_left</span>(<span class='ident'>s</span>).<span class='ident'>wrapping_add</span>(<span class='ident'>x</span>)
}
<span class='kw'>fn</span> <span class='ident'>op_i</span>(<span class='ident'>w</span>: <span class='ident'>u32</span>, <span class='ident'>x</span>: <span class='ident'>u32</span>, <span class='ident'>y</span>: <span class='ident'>u32</span>, <span class='ident'>z</span>: <span class='ident'>u32</span>, <span class='ident'>m</span>: <span class='ident'>u32</span>, <span class='ident'>s</span>: <span class='ident'>u32</span>) <span class='op'>-></span> <span class='ident'>u32</span> {
<span class='ident'>w</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>i</span>(<span class='ident'>x</span>, <span class='ident'>y</span>, <span class='ident'>z</span>)).<span class='ident'>wrapping_add</span>(<span class='ident'>m</span>).<span class='ident'>rotate_left</span>(<span class='ident'>s</span>).<span class='ident'>wrapping_add</span>(<span class='ident'>x</span>)
}
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s0</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>b</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s1</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s2</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>d</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s3</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>data</span> <span class='op'>=</span> [<span class='number'>0u32</span>; <span class='number'>16</span>];
<span class='ident'>read_u32v_le</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>data</span>, <span class='ident'>input</span>);
<span class='comment'>// round 1</span>
<span class='kw'>for</span> <span class='ident'>i</span> <span class='kw'>in</span> (<span class='number'>0</span>..<span class='number'>16</span>).<span class='ident'>step_up</span>(<span class='number'>4</span>) {
<span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>op_f</span>(<span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>data</span>[<span class='ident'>i</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C1</span>[<span class='ident'>i</span>]), <span class='number'>7</span>);
<span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>op_f</span>(<span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>data</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>1</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C1</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>1</span>]), <span class='number'>12</span>);
<span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>op_f</span>(<span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>data</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>2</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C1</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>2</span>]), <span class='number'>17</span>);
<span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>op_f</span>(<span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>data</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>3</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C1</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>3</span>]), <span class='number'>22</span>);
}
<span class='comment'>// round 2</span>
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='number'>1</span>;
<span class='kw'>for</span> <span class='ident'>i</span> <span class='kw'>in</span> (<span class='number'>0</span>..<span class='number'>16</span>).<span class='ident'>step_up</span>(<span class='number'>4</span>) {
<span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>op_g</span>(<span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>data</span>[<span class='ident'>t</span> <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C2</span>[<span class='ident'>i</span>]), <span class='number'>5</span>);
<span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>op_g</span>(<span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>5</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C2</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>1</span>]), <span class='number'>9</span>);
<span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>op_g</span>(<span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>10</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C2</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>2</span>]), <span class='number'>14</span>);
<span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>op_g</span>(<span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>15</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C2</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>3</span>]), <span class='number'>20</span>);
<span class='ident'>t</span> <span class='op'>+=</span> <span class='number'>20</span>;
}
<span class='comment'>// round 3</span>
<span class='ident'>t</span> <span class='op'>=</span> <span class='number'>5</span>;
<span class='kw'>for</span> <span class='ident'>i</span> <span class='kw'>in</span> (<span class='number'>0</span>..<span class='number'>16</span>).<span class='ident'>step_up</span>(<span class='number'>4</span>) {
<span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>op_h</span>(<span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>data</span>[<span class='ident'>t</span> <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C3</span>[<span class='ident'>i</span>]), <span class='number'>4</span>);
<span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>op_h</span>(<span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>3</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C3</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>1</span>]), <span class='number'>11</span>);
<span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>op_h</span>(<span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>6</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C3</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>2</span>]), <span class='number'>16</span>);
<span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>op_h</span>(<span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>9</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C3</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>3</span>]), <span class='number'>23</span>);
<span class='ident'>t</span> <span class='op'>+=</span> <span class='number'>12</span>;
}
<span class='comment'>// round 4</span>
<span class='ident'>t</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='kw'>for</span> <span class='ident'>i</span> <span class='kw'>in</span> (<span class='number'>0</span>..<span class='number'>16</span>).<span class='ident'>step_up</span>(<span class='number'>4</span>) {
<span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>op_i</span>(<span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>data</span>[<span class='ident'>t</span> <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C4</span>[<span class='ident'>i</span>]), <span class='number'>6</span>);
<span class='ident'>d</span> <span class='op'>=</span> <span class='ident'>op_i</span>(<span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>7</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C4</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>1</span>]), <span class='number'>10</span>);
<span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>op_i</span>(<span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>b</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>14</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C4</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>2</span>]), <span class='number'>15</span>);
<span class='ident'>b</span> <span class='op'>=</span> <span class='ident'>op_i</span>(<span class='ident'>b</span>, <span class='ident'>c</span>, <span class='ident'>d</span>, <span class='ident'>a</span>, <span class='ident'>data</span>[(<span class='ident'>t</span> <span class='op'>+</span> <span class='number'>21</span>) <span class='op'>&</span> <span class='number'>0x0f</span>].<span class='ident'>wrapping_add</span>(<span class='ident'>C4</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>3</span>]), <span class='number'>21</span>);
<span class='ident'>t</span> <span class='op'>+=</span> <span class='number'>28</span>;
}
<span class='self'>self</span>.<span class='ident'>s0</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s0</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>a</span>);
<span class='self'>self</span>.<span class='ident'>s1</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s1</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>b</span>);
<span class='self'>self</span>.<span class='ident'>s2</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s2</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>c</span>);
<span class='self'>self</span>.<span class='ident'>s3</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>s3</span>.<span class='ident'>wrapping_add</span>(<span class='ident'>d</span>);
}
}
<span class='comment'>// Round 1 constants</span>
<span class='kw'>static</span> <span class='ident'>C1</span>: [<span class='ident'>u32</span>; <span class='number'>16</span>] <span class='op'>=</span> [
<span class='number'>0xd76aa478</span>, <span class='number'>0xe8c7b756</span>, <span class='number'>0x242070db</span>, <span class='number'>0xc1bdceee</span>, <span class='number'>0xf57c0faf</span>, <span class='number'>0x4787c62a</span>, <span class='number'>0xa8304613</span>, <span class='number'>0xfd469501</span>,
<span class='number'>0x698098d8</span>, <span class='number'>0x8b44f7af</span>, <span class='number'>0xffff5bb1</span>, <span class='number'>0x895cd7be</span>, <span class='number'>0x6b901122</span>, <span class='number'>0xfd987193</span>, <span class='number'>0xa679438e</span>, <span class='number'>0x49b40821</span>
];
<span class='comment'>// Round 2 constants</span>
<span class='kw'>static</span> <span class='ident'>C2</span>: [<span class='ident'>u32</span>; <span class='number'>16</span>] <span class='op'>=</span> [
<span class='number'>0xf61e2562</span>, <span class='number'>0xc040b340</span>, <span class='number'>0x265e5a51</span>, <span class='number'>0xe9b6c7aa</span>, <span class='number'>0xd62f105d</span>, <span class='number'>0x02441453</span>, <span class='number'>0xd8a1e681</span>, <span class='number'>0xe7d3fbc8</span>,
<span class='number'>0x21e1cde6</span>, <span class='number'>0xc33707d6</span>, <span class='number'>0xf4d50d87</span>, <span class='number'>0x455a14ed</span>, <span class='number'>0xa9e3e905</span>, <span class='number'>0xfcefa3f8</span>, <span class='number'>0x676f02d9</span>, <span class='number'>0x8d2a4c8a</span>
];
<span class='comment'>// Round 3 constants</span>
<span class='kw'>static</span> <span class='ident'>C3</span>: [<span class='ident'>u32</span>; <span class='number'>16</span>] <span class='op'>=</span> [
<span class='number'>0xfffa3942</span>, <span class='number'>0x8771f681</span>, <span class='number'>0x6d9d6122</span>, <span class='number'>0xfde5380c</span>, <span class='number'>0xa4beea44</span>, <span class='number'>0x4bdecfa9</span>, <span class='number'>0xf6bb4b60</span>, <span class='number'>0xbebfbc70</span>,
<span class='number'>0x289b7ec6</span>, <span class='number'>0xeaa127fa</span>, <span class='number'>0xd4ef3085</span>, <span class='number'>0x04881d05</span>, <span class='number'>0xd9d4d039</span>, <span class='number'>0xe6db99e5</span>, <span class='number'>0x1fa27cf8</span>, <span class='number'>0xc4ac5665</span>
];
<span class='comment'>// Round 4 constants</span>
<span class='kw'>static</span> <span class='ident'>C4</span>: [<span class='ident'>u32</span>; <span class='number'>16</span>] <span class='op'>=</span> [
<span class='number'>0xf4292244</span>, <span class='number'>0x432aff97</span>, <span class='number'>0xab9423a7</span>, <span class='number'>0xfc93a039</span>, <span class='number'>0x655b59c3</span>, <span class='number'>0x8f0ccc92</span>, <span class='number'>0xffeff47d</span>, <span class='number'>0x85845dd1</span>,
<span class='number'>0x6fa87e4f</span>, <span class='number'>0xfe2ce6e0</span>, <span class='number'>0xa3014314</span>, <span class='number'>0x4e0811a1</span>, <span class='number'>0xf7537e82</span>, <span class='number'>0xbd3af235</span>, <span class='number'>0x2ad7d2bb</span>, <span class='number'>0xeb86d391</span>
];
<span class='doccomment'>/// The MD5 Digest algorithm</span>
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>, <span class='ident'>Copy</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Md5</span> {
<span class='ident'>length_bytes</span>: <span class='ident'>u64</span>,
<span class='ident'>buffer</span>: <span class='ident'>FixedBuffer64</span>,
<span class='ident'>state</span>: <span class='ident'>Md5State</span>,
<span class='ident'>finished</span>: <span class='ident'>bool</span>,
}
<span class='kw'>impl</span> <span class='ident'>Md5</span> {
<span class='doccomment'>/// Construct a new instance of the MD5 Digest.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>() <span class='op'>-></span> <span class='ident'>Md5</span> {
<span class='ident'>Md5</span> {
<span class='ident'>length_bytes</span>: <span class='number'>0</span>,
<span class='ident'>buffer</span>: <span class='ident'>FixedBuffer64</span>::<span class='ident'>new</span>(),
<span class='ident'>state</span>: <span class='ident'>Md5State</span>::<span class='ident'>new</span>(),
<span class='ident'>finished</span>: <span class='bool-val'>false</span>
}
}
}
<span class='kw'>impl</span> <span class='ident'>Digest</span> <span class='kw'>for</span> <span class='ident'>Md5</span> {
<span class='kw'>fn</span> <span class='ident'>input</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>input</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) {
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='self'>self</span>.<span class='ident'>finished</span>);
<span class='comment'>// Unlike Sha1 and Sha2, the length value in MD5 is defined as the length of the message mod</span>
<span class='comment'>// 2^64 - ie: integer overflow is OK.</span>
<span class='self'>self</span>.<span class='ident'>length_bytes</span> <span class='op'>+=</span> <span class='ident'>input</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>u64</span>;
<span class='kw'>let</span> <span class='ident'>self_state</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>state</span>;
<span class='self'>self</span>.<span class='ident'>buffer</span>.<span class='ident'>input</span>(<span class='ident'>input</span>, <span class='op'>|</span><span class='ident'>d</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]<span class='op'>|</span> { <span class='ident'>self_state</span>.<span class='ident'>process_block</span>(<span class='ident'>d</span>);}
);
}
<span class='kw'>fn</span> <span class='ident'>reset</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) {
<span class='self'>self</span>.<span class='ident'>length_bytes</span> <span class='op'>=</span> <span class='number'>0</span>;
<span class='self'>self</span>.<span class='ident'>buffer</span>.<span class='ident'>reset</span>();
<span class='self'>self</span>.<span class='ident'>state</span>.<span class='ident'>reset</span>();
<span class='self'>self</span>.<span class='ident'>finished</span> <span class='op'>=</span> <span class='bool-val'>false</span>;
}
<span class='kw'>fn</span> <span class='ident'>result</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>out</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> [<span class='ident'>u8</span>]) {
<span class='kw'>if</span> <span class='op'>!</span><span class='self'>self</span>.<span class='ident'>finished</span> {
<span class='kw'>let</span> <span class='ident'>self_state</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>state</span>;
<span class='self'>self</span>.<span class='ident'>buffer</span>.<span class='ident'>standard_padding</span>(<span class='number'>8</span>, <span class='op'>|</span><span class='ident'>d</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]<span class='op'>|</span> { <span class='ident'>self_state</span>.<span class='ident'>process_block</span>(<span class='ident'>d</span>); });
<span class='ident'>write_u32_le</span>(<span class='self'>self</span>.<span class='ident'>buffer</span>.<span class='ident'>next</span>(<span class='number'>4</span>), (<span class='self'>self</span>.<span class='ident'>length_bytes</span> <span class='op'><<</span> <span class='number'>3</span>) <span class='kw'>as</span> <span class='ident'>u32</span>);
<span class='ident'>write_u32_le</span>(<span class='self'>self</span>.<span class='ident'>buffer</span>.<span class='ident'>next</span>(<span class='number'>4</span>), (<span class='self'>self</span>.<span class='ident'>length_bytes</span> <span class='op'>>></span> <span class='number'>29</span>) <span class='kw'>as</span> <span class='ident'>u32</span>);
<span class='ident'>self_state</span>.<span class='ident'>process_block</span>(<span class='self'>self</span>.<span class='ident'>buffer</span>.<span class='ident'>full_buffer</span>());
<span class='self'>self</span>.<span class='ident'>finished</span> <span class='op'>=</span> <span class='bool-val'>true</span>;
}
<span class='ident'>write_u32_le</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>out</span>[<span class='number'>0</span>..<span class='number'>4</span>], <span class='self'>self</span>.<span class='ident'>state</span>.<span class='ident'>s0</span>);
<span class='ident'>write_u32_le</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>out</span>[<span class='number'>4</span>..<span class='number'>8</span>], <span class='self'>self</span>.<span class='ident'>state</span>.<span class='ident'>s1</span>);
<span class='ident'>write_u32_le</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>out</span>[<span class='number'>8</span>..<span class='number'>12</span>], <span class='self'>self</span>.<span class='ident'>state</span>.<span class='ident'>s2</span>);
<span class='ident'>write_u32_le</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>out</span>[<span class='number'>12</span>..<span class='number'>16</span>], <span class='self'>self</span>.<span class='ident'>state</span>.<span class='ident'>s3</span>);
}
<span class='kw'>fn</span> <span class='ident'>output_bits</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>usize</span> { <span class='number'>128</span> }
<span class='kw'>fn</span> <span class='ident'>block_size</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>usize</span> { <span class='number'>64</span> }
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
<span class='kw'>mod</span> <span class='ident'>tests</span> {
<span class='kw'>use</span> <span class='ident'>cryptoutil</span>::<span class='ident'>test</span>::<span class='ident'>test_digest_1million_random</span>;
<span class='kw'>use</span> <span class='ident'>digest</span>::<span class='ident'>Digest</span>;
<span class='kw'>use</span> <span class='ident'>md5</span>::<span class='ident'>Md5</span>;
<span class='kw'>struct</span> <span class='ident'>Test</span> {
<span class='ident'>input</span>: <span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>,
<span class='ident'>output_str</span>: <span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>,
}
<span class='kw'>fn</span> <span class='ident'>test_hash</span><span class='op'><</span><span class='ident'>D</span>: <span class='ident'>Digest</span><span class='op'>></span>(<span class='ident'>sh</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>D</span>, <span class='ident'>tests</span>: <span class='kw-2'>&</span>[<span class='ident'>Test</span>]) {
<span class='comment'>// Test that it works when accepting the message all at once</span>
<span class='kw'>for</span> <span class='ident'>t</span> <span class='kw'>in</span> <span class='ident'>tests</span>.<span class='ident'>iter</span>() {
<span class='ident'>sh</span>.<span class='ident'>input_str</span>(<span class='ident'>t</span>.<span class='ident'>input</span>);
<span class='kw'>let</span> <span class='ident'>out_str</span> <span class='op'>=</span> <span class='ident'>sh</span>.<span class='ident'>result_str</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>out_str</span>, <span class='ident'>t</span>.<span class='ident'>output_str</span>);
<span class='ident'>sh</span>.<span class='ident'>reset</span>();
}
<span class='comment'>// Test that it works when accepting the message in pieces</span>
<span class='kw'>for</span> <span class='ident'>t</span> <span class='kw'>in</span> <span class='ident'>tests</span>.<span class='ident'>iter</span>() {
<span class='kw'>let</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='ident'>t</span>.<span class='ident'>input</span>.<span class='ident'>len</span>();
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>left</span> <span class='op'>=</span> <span class='ident'>len</span>;
<span class='kw'>while</span> <span class='ident'>left</span> <span class='op'>></span> <span class='number'>0</span> {
<span class='kw'>let</span> <span class='ident'>take</span> <span class='op'>=</span> (<span class='ident'>left</span> <span class='op'>+</span> <span class='number'>1</span>) <span class='op'>/</span> <span class='number'>2</span>;
<span class='ident'>sh</span>.<span class='ident'>input_str</span>(<span class='kw-2'>&</span><span class='ident'>t</span>.<span class='ident'>input</span>[<span class='ident'>len</span> <span class='op'>-</span> <span class='ident'>left</span>..<span class='ident'>take</span> <span class='op'>+</span> <span class='ident'>len</span> <span class='op'>-</span> <span class='ident'>left</span>]);
<span class='ident'>left</span> <span class='op'>=</span> <span class='ident'>left</span> <span class='op'>-</span> <span class='ident'>take</span>;
}
<span class='kw'>let</span> <span class='ident'>out_str</span> <span class='op'>=</span> <span class='ident'>sh</span>.<span class='ident'>result_str</span>();
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>out_str</span>, <span class='ident'>t</span>.<span class='ident'>output_str</span>);
<span class='ident'>sh</span>.<span class='ident'>reset</span>();
}
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_md5</span>() {
<span class='comment'>// Examples from wikipedia</span>
<span class='kw'>let</span> <span class='ident'>wikipedia_tests</span> <span class='op'>=</span> <span class='macro'>vec</span><span class='macro'>!</span>[
<span class='ident'>Test</span> {
<span class='ident'>input</span>: <span class='string'>""</span>,
<span class='ident'>output_str</span>: <span class='string'>"d41d8cd98f00b204e9800998ecf8427e"</span>
},
<span class='ident'>Test</span> {
<span class='ident'>input</span>: <span class='string'>"The quick brown fox jumps over the lazy dog"</span>,
<span class='ident'>output_str</span>: <span class='string'>"9e107d9d372bb6826bd81d3542a419d6"</span>
},
<span class='ident'>Test</span> {
<span class='ident'>input</span>: <span class='string'>"The quick brown fox jumps over the lazy dog."</span>,
<span class='ident'>output_str</span>: <span class='string'>"e4d909c290d0fb1ca068ffaddf22cbd0"</span>
},
];
<span class='kw'>let</span> <span class='ident'>tests</span> <span class='op'>=</span> <span class='ident'>wikipedia_tests</span>;
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sh</span> <span class='op'>=</span> <span class='ident'>Md5</span>::<span class='ident'>new</span>();
<span class='ident'>test_hash</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>sh</span>, <span class='kw-2'>&</span><span class='ident'>tests</span>[..]);
}
<span class='attribute'>#[<span class='ident'>test</span>]</span>
<span class='kw'>fn</span> <span class='ident'>test_1million_random_md5</span>() {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sh</span> <span class='op'>=</span> <span class='ident'>Md5</span>::<span class='ident'>new</span>();
<span class='ident'>test_digest_1million_random</span>(
<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>sh</span>,
<span class='number'>64</span>,
<span class='string'>"7707d6ae4e027c70eea2a935c2296f21"</span>);
}
}
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>test</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"with-bench"</span>))]</span>
<span class='kw'>mod</span> <span class='ident'>bench</span> {
<span class='kw'>use</span> <span class='ident'>test</span>::<span class='ident'>Bencher</span>;
<span class='kw'>use</span> <span class='ident'>digest</span>::<span class='ident'>Digest</span>;
<span class='kw'>use</span> <span class='ident'>md5</span>::<span class='ident'>Md5</span>;
<span class='attribute'>#[<span class='ident'>bench</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>md5_10</span>(<span class='ident'>bh</span>: <span class='op'>&</span> <span class='kw-2'>mut</span> <span class='ident'>Bencher</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sh</span> <span class='op'>=</span> <span class='ident'>Md5</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>bytes</span> <span class='op'>=</span> [<span class='number'>1u8</span>; <span class='number'>10</span>];
<span class='ident'>bh</span>.<span class='ident'>iter</span>( <span class='op'>||</span> {
<span class='ident'>sh</span>.<span class='ident'>input</span>(<span class='kw-2'>&</span><span class='ident'>bytes</span>);
});
<span class='ident'>bh</span>.<span class='ident'>bytes</span> <span class='op'>=</span> <span class='ident'>bytes</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>u64</span>;
}
<span class='attribute'>#[<span class='ident'>bench</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>md5_1k</span>(<span class='ident'>bh</span>: <span class='op'>&</span> <span class='kw-2'>mut</span> <span class='ident'>Bencher</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sh</span> <span class='op'>=</span> <span class='ident'>Md5</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>bytes</span> <span class='op'>=</span> [<span class='number'>1u8</span>; <span class='number'>1024</span>];
<span class='ident'>bh</span>.<span class='ident'>iter</span>( <span class='op'>||</span> {
<span class='ident'>sh</span>.<span class='ident'>input</span>(<span class='kw-2'>&</span><span class='ident'>bytes</span>);
});
<span class='ident'>bh</span>.<span class='ident'>bytes</span> <span class='op'>=</span> <span class='ident'>bytes</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>u64</span>;
}
<span class='attribute'>#[<span class='ident'>bench</span>]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>md5_64k</span>(<span class='ident'>bh</span>: <span class='op'>&</span> <span class='kw-2'>mut</span> <span class='ident'>Bencher</span>) {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>sh</span> <span class='op'>=</span> <span class='ident'>Md5</span>::<span class='ident'>new</span>();
<span class='kw'>let</span> <span class='ident'>bytes</span> <span class='op'>=</span> [<span class='number'>1u8</span>; <span class='number'>65536</span>];
<span class='ident'>bh</span>.<span class='ident'>iter</span>( <span class='op'>||</span> {
<span class='ident'>sh</span>.<span class='ident'>input</span>(<span class='kw-2'>&</span><span class='ident'>bytes</span>);
});
<span class='ident'>bh</span>.<span class='ident'>bytes</span> <span class='op'>=</span> <span class='ident'>bytes</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>u64</span>;
}
}
</pre>
</section>
<section id='search' class="content hidden"></section>
<section class="footer"></section>
<aside id="help" class="hidden">
<div>
<h1 class="hidden">Help</h1>
<div class="shortcuts">
<h2>Keyboard Shortcuts</h2>
<dl>
<dt>?</dt>
<dd>Show this help dialog</dd>
<dt>S</dt>
<dd>Focus the search field</dd>
<dt>⇤</dt>
<dd>Move up in search results</dd>
<dt>⇥</dt>
<dd>Move down in search results</dd>
<dt>⏎</dt>
<dd>Go to active search result</dd>
<dt>+</dt>
<dd>Collapse/expand all sections</dd>
</dl>
</div>
<div class="infos">
<h2>Search Tricks</h2>
<p>
Prefix searches with a type followed by a colon (e.g.
<code>fn:</code>) to restrict the search to a given type.
</p>
<p>
Accepted types are: <code>fn</code>, <code>mod</code>,
<code>struct</code>, <code>enum</code>,
<code>trait</code>, <code>type</code>, <code>macro</code>,
and <code>const</code>.
</p>
<p>
Search functions by type signature (e.g.
<code>vec -> usize</code> or <code>* -> vec</code>)
</p>
</div>
</div>
</aside>
<script>
window.rootPath = "../../";
window.currentCrate = "crypto";
</script>
<script src="../../jquery.js"></script>
<script src="../../main.js"></script>
<script defer src="../../search-index.js"></script>
</body>
</html>