blob: 62bfc5ffc497eb9cba7eec119e0e77d099a160e5 [file] [log] [blame]
<!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 of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/ring-0.16.20/src/digest/sha2.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>sha2.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../ring/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../ring/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-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>
<span id="329">329</span>
<span id="330">330</span>
<span id="331">331</span>
<span id="332">332</span>
<span id="333">333</span>
<span id="334">334</span>
<span id="335">335</span>
<span id="336">336</span>
<span id="337">337</span>
<span id="338">338</span>
<span id="339">339</span>
<span id="340">340</span>
<span id="341">341</span>
<span id="342">342</span>
<span id="343">343</span>
<span id="344">344</span>
<span id="345">345</span>
<span id="346">346</span>
<span id="347">347</span>
<span id="348">348</span>
<span id="349">349</span>
<span id="350">350</span>
<span id="351">351</span>
<span id="352">352</span>
<span id="353">353</span>
<span id="354">354</span>
<span id="355">355</span>
<span id="356">356</span>
<span id="357">357</span>
<span id="358">358</span>
<span id="359">359</span>
<span id="360">360</span>
<span id="361">361</span>
<span id="362">362</span>
<span id="363">363</span>
<span id="364">364</span>
<span id="365">365</span>
<span id="366">366</span>
<span id="367">367</span>
<span id="368">368</span>
<span id="369">369</span>
<span id="370">370</span>
<span id="371">371</span>
<span id="372">372</span>
<span id="373">373</span>
<span id="374">374</span>
<span id="375">375</span>
<span id="376">376</span>
<span id="377">377</span>
<span id="378">378</span>
<span id="379">379</span>
<span id="380">380</span>
<span id="381">381</span>
<span id="382">382</span>
<span id="383">383</span>
<span id="384">384</span>
<span id="385">385</span>
<span id="386">386</span>
<span id="387">387</span>
<span id="388">388</span>
<span id="389">389</span>
<span id="390">390</span>
<span id="391">391</span>
<span id="392">392</span>
</pre><pre class="rust"><code><span class="comment">// Copyright 2019 Brian Smith.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHORS DISCLAIM ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
</span><span class="kw">use </span><span class="kw">crate</span>::c;
<span class="kw">use </span>core::{
num::Wrapping,
ops::{Add, AddAssign, BitAnd, BitOr, BitXor, Not, Shr},
};
<span class="attribute">#[cfg(not(any(target_arch = <span class="string">&quot;aarch64&quot;</span>, target_arch = <span class="string">&quot;arm&quot;</span>, target_arch = <span class="string">&quot;x86_64&quot;</span>)))]
</span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn </span>GFp_sha256_block_data_order(
state: <span class="kw-2">&amp;mut </span><span class="kw">super</span>::State,
data: <span class="kw-2">*const </span>u8,
num: c::size_t,
) {
<span class="kw">let </span>state = <span class="kw">unsafe </span>{ <span class="kw-2">&amp;mut </span>state.as32 };
<span class="kw-2">*</span>state = block_data_order(<span class="kw-2">*</span>state, data, num)
}
<span class="attribute">#[cfg(not(any(target_arch = <span class="string">&quot;aarch64&quot;</span>, target_arch = <span class="string">&quot;arm&quot;</span>, target_arch = <span class="string">&quot;x86_64&quot;</span>)))]
</span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">extern </span><span class="string">&quot;C&quot; </span><span class="kw">fn </span>GFp_sha512_block_data_order(
state: <span class="kw-2">&amp;mut </span><span class="kw">super</span>::State,
data: <span class="kw-2">*const </span>u8,
num: c::size_t,
) {
<span class="kw">let </span>state = <span class="kw">unsafe </span>{ <span class="kw-2">&amp;mut </span>state.as64 };
<span class="kw-2">*</span>state = block_data_order(<span class="kw-2">*</span>state, data, num)
}
<span class="attribute">#[cfg_attr(
any(target_arch = <span class="string">&quot;aarch64&quot;</span>, target_arch = <span class="string">&quot;arm&quot;</span>, target_arch = <span class="string">&quot;x86_64&quot;</span>),
allow(dead_code)
)]
#[inline]
</span><span class="kw">fn </span>block_data_order&lt;S: Sha2&gt;(
<span class="kw-2">mut </span>H: [S; CHAINING_WORDS],
M: <span class="kw-2">*const </span>u8,
num: c::size_t,
) -&gt; [S; CHAINING_WORDS] {
<span class="kw">let </span>M = M <span class="kw">as </span><span class="kw-2">*const </span>[S::InputBytes; <span class="number">16</span>];
<span class="kw">let </span>M: <span class="kw-2">&amp;</span>[[S::InputBytes; <span class="number">16</span>]] = <span class="kw">unsafe </span>{ core::slice::from_raw_parts(M, num) };
<span class="kw">for </span>M <span class="kw">in </span>M {
<span class="comment">// FIPS 180-4 {6.2.2, 6.4.2} Step 1
//
// TODO: Use `let W: [S::ZERO; S::ROUNDS]` instead of allocating
// `MAX_ROUNDS` items and then slicing to `K.len()`; depends on
// https://github.com/rust-lang/rust/issues/43408.
</span><span class="kw">let </span><span class="kw-2">mut </span>W = [S::ZERO; MAX_ROUNDS];
<span class="kw">let </span>W: <span class="kw-2">&amp;</span>[S] = {
<span class="kw">let </span>W = <span class="kw-2">&amp;mut </span>W[..S::K.len()];
<span class="kw">for </span>(W, M) <span class="kw">in </span>W.iter_mut().zip(M) {
<span class="kw-2">*</span>W = S::from_be_bytes(<span class="kw-2">*</span>M);
}
<span class="kw">for </span>t <span class="kw">in </span>M.len()..S::K.len() {
W[t] = sigma_1(W[t - <span class="number">2</span>]) + W[t - <span class="number">7</span>] + sigma_0(W[t - <span class="number">15</span>]) + W[t - <span class="number">16</span>]
}
W
};
<span class="comment">// FIPS 180-4 {6.2.2, 6.4.2} Step 2
</span><span class="kw">let </span><span class="kw-2">mut </span>a = H[<span class="number">0</span>];
<span class="kw">let </span><span class="kw-2">mut </span>b = H[<span class="number">1</span>];
<span class="kw">let </span><span class="kw-2">mut </span>c = H[<span class="number">2</span>];
<span class="kw">let </span><span class="kw-2">mut </span>d = H[<span class="number">3</span>];
<span class="kw">let </span><span class="kw-2">mut </span>e = H[<span class="number">4</span>];
<span class="kw">let </span><span class="kw-2">mut </span>f = H[<span class="number">5</span>];
<span class="kw">let </span><span class="kw-2">mut </span>g = H[<span class="number">6</span>];
<span class="kw">let </span><span class="kw-2">mut </span>h = H[<span class="number">7</span>];
<span class="comment">// FIPS 180-4 {6.2.2, 6.4.2} Step 3
</span><span class="kw">for </span>(Kt, Wt) <span class="kw">in </span>S::K.iter().zip(W.iter()) {
<span class="kw">let </span>T1 = h + SIGMA_1(e) + ch(e, f, g) + <span class="kw-2">*</span>Kt + <span class="kw-2">*</span>Wt;
<span class="kw">let </span>T2 = SIGMA_0(a) + maj(a, b, c);
h = g;
g = f;
f = e;
e = d + T1;
d = c;
c = b;
b = a;
a = T1 + T2;
}
<span class="comment">// FIPS 180-4 {6.2.2, 6.4.2} Step 4
</span>H[<span class="number">0</span>] += a;
H[<span class="number">1</span>] += b;
H[<span class="number">2</span>] += c;
H[<span class="number">3</span>] += d;
H[<span class="number">4</span>] += e;
H[<span class="number">5</span>] += f;
H[<span class="number">6</span>] += g;
H[<span class="number">7</span>] += h;
}
H
}
<span class="comment">// FIPS 180-4 {4.1.1, 4.1.2, 4.1.3}
</span><span class="attribute">#[inline(always)]
</span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>ch&lt;W: Word&gt;(x: W, y: W, z: W) -&gt; W {
(x &amp; y) | (!x &amp; z)
}
<span class="comment">// FIPS 180-4 {4.1.1, 4.1.2, 4.1.3}
</span><span class="attribute">#[inline(always)]
</span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>maj&lt;W: Word&gt;(x: W, y: W, z: W) -&gt; W {
(x &amp; y) | (x &amp; z) | (y &amp; z)
}
<span class="comment">// FIPS 180-4 {4.1.2, 4.1.3}
</span><span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>SIGMA_0&lt;S: Sha2&gt;(x: S) -&gt; S {
x.rotr(S::BIG_SIGMA_0.<span class="number">0</span>) ^ x.rotr(S::BIG_SIGMA_0.<span class="number">1</span>) ^ x.rotr(S::BIG_SIGMA_0.<span class="number">2</span>)
}
<span class="comment">// FIPS 180-4 {4.1.2, 4.1.3}
</span><span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>SIGMA_1&lt;S: Sha2&gt;(x: S) -&gt; S {
x.rotr(S::BIG_SIGMA_1.<span class="number">0</span>) ^ x.rotr(S::BIG_SIGMA_1.<span class="number">1</span>) ^ x.rotr(S::BIG_SIGMA_1.<span class="number">2</span>)
}
<span class="comment">// FIPS 180-4 {4.1.2, 4.1.3}
</span><span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>sigma_0&lt;S: Sha2&gt;(x: S) -&gt; S {
x.rotr(S::SMALL_SIGMA_0.<span class="number">0</span>) ^ x.rotr(S::SMALL_SIGMA_0.<span class="number">1</span>) ^ (x &gt;&gt; S::SMALL_SIGMA_0.<span class="number">2</span>)
}
<span class="comment">// FIPS 180-4 {4.1.2, 4.1.3}
</span><span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>sigma_1&lt;S: Sha2&gt;(x: S) -&gt; S {
x.rotr(S::SMALL_SIGMA_1.<span class="number">0</span>) ^ x.rotr(S::SMALL_SIGMA_1.<span class="number">1</span>) ^ (x &gt;&gt; S::SMALL_SIGMA_1.<span class="number">2</span>)
}
<span class="comment">// Commonality between SHA-1 and SHA-2 words.
</span><span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">trait </span>Word:
<span class="lifetime">&#39;static
</span>+ Sized
+ Copy
+ Add&lt;Output = <span class="self">Self</span>&gt;
+ AddAssign
+ BitAnd&lt;Output = <span class="self">Self</span>&gt;
+ BitOr&lt;Output = <span class="self">Self</span>&gt;
+ Not&lt;Output = <span class="self">Self</span>&gt;
{
<span class="kw">const </span>ZERO: <span class="self">Self</span>;
<span class="kw">type </span>InputBytes: Copy;
<span class="kw">fn </span>from_be_bytes(input: <span class="self">Self</span>::InputBytes) -&gt; <span class="self">Self</span>;
<span class="kw">fn </span>rotr(<span class="self">self</span>, count: u32) -&gt; <span class="self">Self</span>;
}
<span class="doccomment">/// A SHA-2 input word.
</span><span class="kw">trait </span>Sha2: Word + BitXor&lt;Output = <span class="self">Self</span>&gt; + Shr&lt;usize, Output = <span class="self">Self</span>&gt; {
<span class="kw">const </span>BIG_SIGMA_0: (u32, u32, u32);
<span class="kw">const </span>BIG_SIGMA_1: (u32, u32, u32);
<span class="kw">const </span>SMALL_SIGMA_0: (u32, u32, usize);
<span class="kw">const </span>SMALL_SIGMA_1: (u32, u32, usize);
<span class="kw">const </span>K: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>[<span class="self">Self</span>];
}
<span class="kw">const </span>MAX_ROUNDS: usize = <span class="number">80</span>;
<span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">const </span>CHAINING_WORDS: usize = <span class="number">8</span>;
<span class="kw">impl </span>Word <span class="kw">for </span>Wrapping&lt;u32&gt; {
<span class="kw">const </span>ZERO: <span class="self">Self </span>= Wrapping(<span class="number">0</span>);
<span class="kw">type </span>InputBytes = [u8; <span class="number">4</span>];
<span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>from_be_bytes(input: <span class="self">Self</span>::InputBytes) -&gt; <span class="self">Self </span>{
Wrapping(u32::from_be_bytes(input))
}
<span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>rotr(<span class="self">self</span>, count: u32) -&gt; <span class="self">Self </span>{
Wrapping(<span class="self">self</span>.<span class="number">0</span>.rotate_right(count))
}
}
<span class="comment">// SHA-256
</span><span class="kw">impl </span>Sha2 <span class="kw">for </span>Wrapping&lt;u32&gt; {
<span class="comment">// FIPS 180-4 4.1.2
</span><span class="kw">const </span>BIG_SIGMA_0: (u32, u32, u32) = (<span class="number">2</span>, <span class="number">13</span>, <span class="number">22</span>);
<span class="kw">const </span>BIG_SIGMA_1: (u32, u32, u32) = (<span class="number">6</span>, <span class="number">11</span>, <span class="number">25</span>);
<span class="kw">const </span>SMALL_SIGMA_0: (u32, u32, usize) = (<span class="number">7</span>, <span class="number">18</span>, <span class="number">3</span>);
<span class="kw">const </span>SMALL_SIGMA_1: (u32, u32, usize) = (<span class="number">17</span>, <span class="number">19</span>, <span class="number">10</span>);
<span class="comment">// FIPS 180-4 4.2.2
</span><span class="kw">const </span>K: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>[<span class="self">Self</span>] = <span class="kw-2">&amp;</span>[
<span class="self">Self</span>(<span class="number">0x428a2f98</span>),
<span class="self">Self</span>(<span class="number">0x71374491</span>),
<span class="self">Self</span>(<span class="number">0xb5c0fbcf</span>),
<span class="self">Self</span>(<span class="number">0xe9b5dba5</span>),
<span class="self">Self</span>(<span class="number">0x3956c25b</span>),
<span class="self">Self</span>(<span class="number">0x59f111f1</span>),
<span class="self">Self</span>(<span class="number">0x923f82a4</span>),
<span class="self">Self</span>(<span class="number">0xab1c5ed5</span>),
<span class="self">Self</span>(<span class="number">0xd807aa98</span>),
<span class="self">Self</span>(<span class="number">0x12835b01</span>),
<span class="self">Self</span>(<span class="number">0x243185be</span>),
<span class="self">Self</span>(<span class="number">0x550c7dc3</span>),
<span class="self">Self</span>(<span class="number">0x72be5d74</span>),
<span class="self">Self</span>(<span class="number">0x80deb1fe</span>),
<span class="self">Self</span>(<span class="number">0x9bdc06a7</span>),
<span class="self">Self</span>(<span class="number">0xc19bf174</span>),
<span class="self">Self</span>(<span class="number">0xe49b69c1</span>),
<span class="self">Self</span>(<span class="number">0xefbe4786</span>),
<span class="self">Self</span>(<span class="number">0x0fc19dc6</span>),
<span class="self">Self</span>(<span class="number">0x240ca1cc</span>),
<span class="self">Self</span>(<span class="number">0x2de92c6f</span>),
<span class="self">Self</span>(<span class="number">0x4a7484aa</span>),
<span class="self">Self</span>(<span class="number">0x5cb0a9dc</span>),
<span class="self">Self</span>(<span class="number">0x76f988da</span>),
<span class="self">Self</span>(<span class="number">0x983e5152</span>),
<span class="self">Self</span>(<span class="number">0xa831c66d</span>),
<span class="self">Self</span>(<span class="number">0xb00327c8</span>),
<span class="self">Self</span>(<span class="number">0xbf597fc7</span>),
<span class="self">Self</span>(<span class="number">0xc6e00bf3</span>),
<span class="self">Self</span>(<span class="number">0xd5a79147</span>),
<span class="self">Self</span>(<span class="number">0x06ca6351</span>),
<span class="self">Self</span>(<span class="number">0x14292967</span>),
<span class="self">Self</span>(<span class="number">0x27b70a85</span>),
<span class="self">Self</span>(<span class="number">0x2e1b2138</span>),
<span class="self">Self</span>(<span class="number">0x4d2c6dfc</span>),
<span class="self">Self</span>(<span class="number">0x53380d13</span>),
<span class="self">Self</span>(<span class="number">0x650a7354</span>),
<span class="self">Self</span>(<span class="number">0x766a0abb</span>),
<span class="self">Self</span>(<span class="number">0x81c2c92e</span>),
<span class="self">Self</span>(<span class="number">0x92722c85</span>),
<span class="self">Self</span>(<span class="number">0xa2bfe8a1</span>),
<span class="self">Self</span>(<span class="number">0xa81a664b</span>),
<span class="self">Self</span>(<span class="number">0xc24b8b70</span>),
<span class="self">Self</span>(<span class="number">0xc76c51a3</span>),
<span class="self">Self</span>(<span class="number">0xd192e819</span>),
<span class="self">Self</span>(<span class="number">0xd6990624</span>),
<span class="self">Self</span>(<span class="number">0xf40e3585</span>),
<span class="self">Self</span>(<span class="number">0x106aa070</span>),
<span class="self">Self</span>(<span class="number">0x19a4c116</span>),
<span class="self">Self</span>(<span class="number">0x1e376c08</span>),
<span class="self">Self</span>(<span class="number">0x2748774c</span>),
<span class="self">Self</span>(<span class="number">0x34b0bcb5</span>),
<span class="self">Self</span>(<span class="number">0x391c0cb3</span>),
<span class="self">Self</span>(<span class="number">0x4ed8aa4a</span>),
<span class="self">Self</span>(<span class="number">0x5b9cca4f</span>),
<span class="self">Self</span>(<span class="number">0x682e6ff3</span>),
<span class="self">Self</span>(<span class="number">0x748f82ee</span>),
<span class="self">Self</span>(<span class="number">0x78a5636f</span>),
<span class="self">Self</span>(<span class="number">0x84c87814</span>),
<span class="self">Self</span>(<span class="number">0x8cc70208</span>),
<span class="self">Self</span>(<span class="number">0x90befffa</span>),
<span class="self">Self</span>(<span class="number">0xa4506ceb</span>),
<span class="self">Self</span>(<span class="number">0xbef9a3f7</span>),
<span class="self">Self</span>(<span class="number">0xc67178f2</span>),
];
}
<span class="kw">impl </span>Word <span class="kw">for </span>Wrapping&lt;u64&gt; {
<span class="kw">const </span>ZERO: <span class="self">Self </span>= Wrapping(<span class="number">0</span>);
<span class="kw">type </span>InputBytes = [u8; <span class="number">8</span>];
<span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>from_be_bytes(input: <span class="self">Self</span>::InputBytes) -&gt; <span class="self">Self </span>{
Wrapping(u64::from_be_bytes(input))
}
<span class="attribute">#[inline(always)]
</span><span class="kw">fn </span>rotr(<span class="self">self</span>, count: u32) -&gt; <span class="self">Self </span>{
Wrapping(<span class="self">self</span>.<span class="number">0</span>.rotate_right(count))
}
}
<span class="comment">// SHA-384 and SHA-512
</span><span class="kw">impl </span>Sha2 <span class="kw">for </span>Wrapping&lt;u64&gt; {
<span class="comment">// FIPS 180-4 4.1.3
</span><span class="kw">const </span>BIG_SIGMA_0: (u32, u32, u32) = (<span class="number">28</span>, <span class="number">34</span>, <span class="number">39</span>);
<span class="kw">const </span>BIG_SIGMA_1: (u32, u32, u32) = (<span class="number">14</span>, <span class="number">18</span>, <span class="number">41</span>);
<span class="kw">const </span>SMALL_SIGMA_0: (u32, u32, usize) = (<span class="number">1</span>, <span class="number">8</span>, <span class="number">7</span>);
<span class="kw">const </span>SMALL_SIGMA_1: (u32, u32, usize) = (<span class="number">19</span>, <span class="number">61</span>, <span class="number">6</span>);
<span class="comment">// FIPS 180-4 4.2.3
</span><span class="kw">const </span>K: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>[<span class="self">Self</span>] = <span class="kw-2">&amp;</span>[
<span class="self">Self</span>(<span class="number">0x428a2f98d728ae22</span>),
<span class="self">Self</span>(<span class="number">0x7137449123ef65cd</span>),
<span class="self">Self</span>(<span class="number">0xb5c0fbcfec4d3b2f</span>),
<span class="self">Self</span>(<span class="number">0xe9b5dba58189dbbc</span>),
<span class="self">Self</span>(<span class="number">0x3956c25bf348b538</span>),
<span class="self">Self</span>(<span class="number">0x59f111f1b605d019</span>),
<span class="self">Self</span>(<span class="number">0x923f82a4af194f9b</span>),
<span class="self">Self</span>(<span class="number">0xab1c5ed5da6d8118</span>),
<span class="self">Self</span>(<span class="number">0xd807aa98a3030242</span>),
<span class="self">Self</span>(<span class="number">0x12835b0145706fbe</span>),
<span class="self">Self</span>(<span class="number">0x243185be4ee4b28c</span>),
<span class="self">Self</span>(<span class="number">0x550c7dc3d5ffb4e2</span>),
<span class="self">Self</span>(<span class="number">0x72be5d74f27b896f</span>),
<span class="self">Self</span>(<span class="number">0x80deb1fe3b1696b1</span>),
<span class="self">Self</span>(<span class="number">0x9bdc06a725c71235</span>),
<span class="self">Self</span>(<span class="number">0xc19bf174cf692694</span>),
<span class="self">Self</span>(<span class="number">0xe49b69c19ef14ad2</span>),
<span class="self">Self</span>(<span class="number">0xefbe4786384f25e3</span>),
<span class="self">Self</span>(<span class="number">0x0fc19dc68b8cd5b5</span>),
<span class="self">Self</span>(<span class="number">0x240ca1cc77ac9c65</span>),
<span class="self">Self</span>(<span class="number">0x2de92c6f592b0275</span>),
<span class="self">Self</span>(<span class="number">0x4a7484aa6ea6e483</span>),
<span class="self">Self</span>(<span class="number">0x5cb0a9dcbd41fbd4</span>),
<span class="self">Self</span>(<span class="number">0x76f988da831153b5</span>),
<span class="self">Self</span>(<span class="number">0x983e5152ee66dfab</span>),
<span class="self">Self</span>(<span class="number">0xa831c66d2db43210</span>),
<span class="self">Self</span>(<span class="number">0xb00327c898fb213f</span>),
<span class="self">Self</span>(<span class="number">0xbf597fc7beef0ee4</span>),
<span class="self">Self</span>(<span class="number">0xc6e00bf33da88fc2</span>),
<span class="self">Self</span>(<span class="number">0xd5a79147930aa725</span>),
<span class="self">Self</span>(<span class="number">0x06ca6351e003826f</span>),
<span class="self">Self</span>(<span class="number">0x142929670a0e6e70</span>),
<span class="self">Self</span>(<span class="number">0x27b70a8546d22ffc</span>),
<span class="self">Self</span>(<span class="number">0x2e1b21385c26c926</span>),
<span class="self">Self</span>(<span class="number">0x4d2c6dfc5ac42aed</span>),
<span class="self">Self</span>(<span class="number">0x53380d139d95b3df</span>),
<span class="self">Self</span>(<span class="number">0x650a73548baf63de</span>),
<span class="self">Self</span>(<span class="number">0x766a0abb3c77b2a8</span>),
<span class="self">Self</span>(<span class="number">0x81c2c92e47edaee6</span>),
<span class="self">Self</span>(<span class="number">0x92722c851482353b</span>),
<span class="self">Self</span>(<span class="number">0xa2bfe8a14cf10364</span>),
<span class="self">Self</span>(<span class="number">0xa81a664bbc423001</span>),
<span class="self">Self</span>(<span class="number">0xc24b8b70d0f89791</span>),
<span class="self">Self</span>(<span class="number">0xc76c51a30654be30</span>),
<span class="self">Self</span>(<span class="number">0xd192e819d6ef5218</span>),
<span class="self">Self</span>(<span class="number">0xd69906245565a910</span>),
<span class="self">Self</span>(<span class="number">0xf40e35855771202a</span>),
<span class="self">Self</span>(<span class="number">0x106aa07032bbd1b8</span>),
<span class="self">Self</span>(<span class="number">0x19a4c116b8d2d0c8</span>),
<span class="self">Self</span>(<span class="number">0x1e376c085141ab53</span>),
<span class="self">Self</span>(<span class="number">0x2748774cdf8eeb99</span>),
<span class="self">Self</span>(<span class="number">0x34b0bcb5e19b48a8</span>),
<span class="self">Self</span>(<span class="number">0x391c0cb3c5c95a63</span>),
<span class="self">Self</span>(<span class="number">0x4ed8aa4ae3418acb</span>),
<span class="self">Self</span>(<span class="number">0x5b9cca4f7763e373</span>),
<span class="self">Self</span>(<span class="number">0x682e6ff3d6b2b8a3</span>),
<span class="self">Self</span>(<span class="number">0x748f82ee5defb2fc</span>),
<span class="self">Self</span>(<span class="number">0x78a5636f43172f60</span>),
<span class="self">Self</span>(<span class="number">0x84c87814a1f0ab72</span>),
<span class="self">Self</span>(<span class="number">0x8cc702081a6439ec</span>),
<span class="self">Self</span>(<span class="number">0x90befffa23631e28</span>),
<span class="self">Self</span>(<span class="number">0xa4506cebde82bde9</span>),
<span class="self">Self</span>(<span class="number">0xbef9a3f7b2c67915</span>),
<span class="self">Self</span>(<span class="number">0xc67178f2e372532b</span>),
<span class="self">Self</span>(<span class="number">0xca273eceea26619c</span>),
<span class="self">Self</span>(<span class="number">0xd186b8c721c0c207</span>),
<span class="self">Self</span>(<span class="number">0xeada7dd6cde0eb1e</span>),
<span class="self">Self</span>(<span class="number">0xf57d4f7fee6ed178</span>),
<span class="self">Self</span>(<span class="number">0x06f067aa72176fba</span>),
<span class="self">Self</span>(<span class="number">0x0a637dc5a2c898a6</span>),
<span class="self">Self</span>(<span class="number">0x113f9804bef90dae</span>),
<span class="self">Self</span>(<span class="number">0x1b710b35131c471b</span>),
<span class="self">Self</span>(<span class="number">0x28db77f523047d84</span>),
<span class="self">Self</span>(<span class="number">0x32caab7b40c72493</span>),
<span class="self">Self</span>(<span class="number">0x3c9ebe0a15c9bebc</span>),
<span class="self">Self</span>(<span class="number">0x431d67c49c100d4c</span>),
<span class="self">Self</span>(<span class="number">0x4cc5d4becb3e42b6</span>),
<span class="self">Self</span>(<span class="number">0x597f299cfc657e2a</span>),
<span class="self">Self</span>(<span class="number">0x5fcb6fab3ad6faec</span>),
<span class="self">Self</span>(<span class="number">0x6c44198c4a475817</span>),
];
}
<span class="attribute">#[cfg(any(target_arch = <span class="string">&quot;aarch64&quot;</span>, target_arch = <span class="string">&quot;arm&quot;</span>, target_arch = <span class="string">&quot;x86_64&quot;</span>))]
</span><span class="kw">extern </span><span class="string">&quot;C&quot; </span>{
<span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>GFp_sha256_block_data_order(
state: <span class="kw-2">&amp;mut </span><span class="kw">super</span>::State,
data: <span class="kw-2">*const </span>u8,
num: c::size_t,
);
<span class="kw">pub</span>(<span class="kw">super</span>) <span class="kw">fn </span>GFp_sha512_block_data_order(
state: <span class="kw-2">&amp;mut </span><span class="kw">super</span>::State,
data: <span class="kw-2">*const </span>u8,
num: c::size_t,
);
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="ring" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>