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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="Implementation of Sinsemilla outside the circuit."><meta name="keywords" content="rust, rustlang, rust-lang, primitives"><title>halo2_gadgets::sinsemilla::primitives - Rust</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="../../../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"><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="sidebar-logo" href="../../../halo2_gadgets/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../halo2_gadgets/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Module primitives</a></h2><div class="sidebar-elems"><section><div class="block"><ul><li><a href="#structs">Structs</a></li><li><a href="#constants">Constants</a></li></ul></div></section></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../halo2_gadgets/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Module <a href="../../index.html">halo2_gadgets</a>::<wbr><a href="../index.html">sinsemilla</a>::<wbr><a class="mod" href="#">primitives</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/halo2_gadgets/sinsemilla/primitives.rs.html#1-308">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Implementation of Sinsemilla outside the circuit.</p>
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</div></details><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.CommitDomain.html" title="halo2_gadgets::sinsemilla::primitives::CommitDomain struct">CommitDomain</a></div><div class="item-right docblock-short"><p>A domain in which $\mathsf{SinsemillaCommit}$ and $\mathsf{SinsemillaShortCommit}$ can
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be used.</p>
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</div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.HashDomain.html" title="halo2_gadgets::sinsemilla::primitives::HashDomain struct">HashDomain</a></div><div class="item-right docblock-short"><p>A domain in which $\mathsf{SinsemillaHashToPoint}$ and $\mathsf{SinsemillaHash}$ can
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be used.</p>
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</div></div></div><h2 id="constants" class="small-section-header"><a href="#constants">Constants</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="constant" href="constant.C.html" title="halo2_gadgets::sinsemilla::primitives::C constant">C</a></div><div class="item-right docblock-short"><p>The largest integer such that $2^c \leq (r_P - 1) / 2$, where $r_P$ is the order
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of Pallas.</p>
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</div></div><div class="item-row"><div class="item-left module-item"><a class="constant" href="constant.INV_TWO_POW_K.html" title="halo2_gadgets::sinsemilla::primitives::INV_TWO_POW_K constant">INV_TWO_POW_K</a></div><div class="item-right docblock-short"><p>$\frac{1}{2^K}$</p>
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</div></div><div class="item-row"><div class="item-left module-item"><a class="constant" href="constant.K.html" title="halo2_gadgets::sinsemilla::primitives::K constant">K</a></div><div class="item-right docblock-short"><p>Number of bits of each message piece in $\mathsf{SinsemillaHashToPoint}$</p>
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</div></div><div class="item-row"><div class="item-left module-item"><a class="constant" href="constant.Q_PERSONALIZATION.html" title="halo2_gadgets::sinsemilla::primitives::Q_PERSONALIZATION constant">Q_PERSONALIZATION</a></div><div class="item-right docblock-short"><p>SWU hash-to-curve personalization for Sinsemilla $Q$ generators.</p>
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</div></div><div class="item-row"><div class="item-left module-item"><a class="constant" href="constant.SINSEMILLA_S.html" title="halo2_gadgets::sinsemilla::primitives::SINSEMILLA_S constant">SINSEMILLA_S</a></div><div class="item-right docblock-short"><p>The precomputed bases for the <a href="https://zips.z.cash/protocol/protocol.pdf#concretesinsemillahash">Sinsemilla hash function</a>.</p>
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</div></div><div class="item-row"><div class="item-left module-item"><a class="constant" href="constant.S_PERSONALIZATION.html" title="halo2_gadgets::sinsemilla::primitives::S_PERSONALIZATION constant">S_PERSONALIZATION</a></div><div class="item-right docblock-short"><p>SWU hash-to-curve personalization for Sinsemilla $S$ generators.</p>
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