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<!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="The SHA-256 hash function."><title>halo2_gadgets::sha256 - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-c4dbdcde0fbd8430.css" id="mainThemeStyle"><div id="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="halo2_gadgets" data-themes="" data-resource-suffix="" data-rustdoc-version="1.70.0-nightly (1db9c061d 2023-03-21)" data-search-js="search-a6dd7f063a44c279.js" data-settings-js="settings-f0c5c39777a9a2f6.js" data-settings-css="settings-0bcba95ff279c1db.css" data-theme-light-css="light-db279b6232be9c13.css" data-theme-dark-css="dark-cf923f49f397b216.css" data-theme-ayu-css="ayu-be46fdc453a55015.css" ></div><script src="../../static.files/storage-9184409068f70b79.js"></script><script defer src="../../static.files/main-f5a2577c5297a973.js"></script><noscript><link rel="stylesheet" media="(prefers-color-scheme:light)" href="../../static.files/light-db279b6232be9c13.css"><link rel="stylesheet" media="(prefers-color-scheme:dark)" href="../../static.files/dark-cf923f49f397b216.css"><link rel="stylesheet" href="../../static.files/noscript-13285aec31fa243e.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.css" integrity="sha384-9eLZqc9ds8eNjO3TmqPeYcDj8n+Qfa4nuSiGYa6DjLNcv9BtN69ZIulL9+8CqC9Y" crossorigin="anonymous">
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</head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="logo-container" href="../../halo2_gadgets/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2></h2></nav><nav class="sidebar"><a class="logo-container" href="../../halo2_gadgets/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2 class="location"><a href="#">Module sha256</a></h2><div class="sidebar-elems"><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#constants">Constants</a></li><li><a href="#traits">Traits</a></li></ul></section></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" 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="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Module <a href="../index.html">halo2_gadgets</a>::<wbr><a class="mod" href="#">sha256</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/halo2_gadgets/sha256.rs.html#1-166">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><span class="item-info"><div class="stab portability">Available on <strong>crate feature <code>unstable-sha256-gadget</code></strong> only.</div></span><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>The <a href="https://tools.ietf.org/html/rfc6234">SHA-256</a> hash function.</p>
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</div></details><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.BlockWord.html" title="struct halo2_gadgets::sha256::BlockWord">BlockWord</a></div><div class="desc docblock-short">A word in a <code>Table16</code> message block.</div></li><li><div class="item-name"><a class="struct" href="struct.Sha256.html" title="struct halo2_gadgets::sha256::Sha256">Sha256</a></div><div class="desc docblock-short">A gadget that constrains a SHA-256 invocation. It supports input at a granularity of
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32 bits.</div></li><li><div class="item-name"><a class="struct" href="struct.Sha256Digest.html" title="struct halo2_gadgets::sha256::Sha256Digest">Sha256Digest</a></div><div class="desc docblock-short">The output of a SHA-256 circuit invocation.</div></li><li><div class="item-name"><a class="struct" href="struct.Table16Chip.html" title="struct halo2_gadgets::sha256::Table16Chip">Table16Chip</a></div><div class="desc docblock-short">A chip that implements SHA-256 with a maximum lookup table size of $2^16$.</div></li><li><div class="item-name"><a class="struct" href="struct.Table16Config.html" title="struct halo2_gadgets::sha256::Table16Config">Table16Config</a></div><div class="desc docblock-short">Configuration for a <a href="struct.Table16Chip.html" title="struct halo2_gadgets::sha256::Table16Chip"><code>Table16Chip</code></a>.</div></li></ul><h2 id="constants" class="small-section-header"><a href="#constants">Constants</a></h2><ul class="item-table"><li><div class="item-name"><a class="constant" href="constant.BLOCK_SIZE.html" title="constant halo2_gadgets::sha256::BLOCK_SIZE">BLOCK_SIZE</a></div><div class="desc docblock-short">The size of a SHA-256 block, in 32-bit words.</div></li></ul><h2 id="traits" class="small-section-header"><a href="#traits">Traits</a></h2><ul class="item-table"><li><div class="item-name"><a class="trait" href="trait.Sha256Instructions.html" title="trait halo2_gadgets::sha256::Sha256Instructions">Sha256Instructions</a></div><div class="desc docblock-short">The set of circuit instructions required to use the <a href="struct.Sha256.html" title="struct halo2_gadgets::sha256::Sha256"><code>Sha256</code></a> gadget.</div></li></ul></section></div></main></body></html> |