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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="Trait for hash functions with extendable-output (XOF) able to reset themselves."><title>ExtendableOutputReset in digest - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="digest" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-263c88ec.css"></noscript><link rel="icon" href="https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">ExtendableOutputReset</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../digest/index.html"><img src="https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg" alt="logo"></a><h2><a href="../digest/index.html">digest</a><span class="version">0.10.7</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Extendable<wbr>Output<wbr>Reset</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.finalize_xof_reset" title="finalize_xof_reset">finalize_xof_reset</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.finalize_boxed_reset" title="finalize_boxed_reset">finalize_boxed_reset</a></li><li><a href="#method.finalize_xof_reset_into" title="finalize_xof_reset_into">finalize_xof_reset_into</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="index.html">In crate digest</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="index.html">digest</a></div><h1>Trait <span class="trait">Extendable<wbr>Output<wbr>Reset</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../src/digest/lib.rs.html#179-200">Source</a> </span></div><pre class="rust item-decl"><code>pub trait ExtendableOutputReset: <a class="trait" href="trait.ExtendableOutput.html" title="trait digest::ExtendableOutput">ExtendableOutput</a> + <a class="trait" href="trait.Reset.html" title="trait digest::Reset">Reset</a> {
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// Required method
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fn <a href="#tymethod.finalize_xof_reset" class="fn">finalize_xof_reset</a>(&mut self) -> Self::<a class="associatedtype" href="trait.ExtendableOutput.html#associatedtype.Reader" title="type digest::ExtendableOutput::Reader">Reader</a>;
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// Provided methods
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fn <a href="#method.finalize_xof_reset_into" class="fn">finalize_xof_reset_into</a>(&mut self, out: &mut [<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>]) { ... }
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<span class="item-spacer"></span> fn <a href="#method.finalize_boxed_reset" class="fn">finalize_boxed_reset</a>(&mut self, output_size: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>) -> <a class="struct" href="https://doc.rust-lang.org/1.93.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><[<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>]> { ... }
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Trait for hash functions with extendable-output (XOF) able to reset themselves.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.finalize_xof_reset" class="method"><a class="src rightside" href="../src/digest/lib.rs.html#181">Source</a><h4 class="code-header">fn <a href="#tymethod.finalize_xof_reset" class="fn">finalize_xof_reset</a>(&mut self) -> Self::<a class="associatedtype" href="trait.ExtendableOutput.html#associatedtype.Reader" title="type digest::ExtendableOutput::Reader">Reader</a></h4></section></summary><div class="docblock"><p>Retrieve XOF reader and reset hasher instance state.</p>
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</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.finalize_xof_reset_into" class="method"><a class="src rightside" href="../src/digest/lib.rs.html#184-186">Source</a><h4 class="code-header">fn <a href="#method.finalize_xof_reset_into" class="fn">finalize_xof_reset_into</a>(&mut self, out: &mut [<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>])</h4></section></summary><div class="docblock"><p>Finalize XOF, write result into <code>out</code>, and reset the hasher state.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.finalize_boxed_reset" class="method"><a class="src rightside" href="../src/digest/lib.rs.html#195-199">Source</a><h4 class="code-header">fn <a href="#method.finalize_boxed_reset" class="fn">finalize_boxed_reset</a>(&mut self, output_size: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>) -> <a class="struct" href="https://doc.rust-lang.org/1.93.1/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><[<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>]></h4></section></summary><div class="docblock"><p>Retrieve result into a boxed slice of the specified size and reset
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the hasher state.</p>
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<p><code>Box<[u8]></code> is used instead of <code>Vec<u8></code> to save stack space, since
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they have size of 2 and 3 words respectively.</p>
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</div></details></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.93.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-ExtendableOutputReset-for-CoreWrapper%3CT%3E" class="impl"><a class="src rightside" href="../src/digest/core_api/wrapper.rs.html#210-230">Source</a><a href="#impl-ExtendableOutputReset-for-CoreWrapper%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="trait.ExtendableOutputReset.html" title="trait digest::ExtendableOutputReset">ExtendableOutputReset</a> for <a class="struct" href="core_api/struct.CoreWrapper.html" title="struct digest::core_api::CoreWrapper">CoreWrapper</a><T><div class="where">where
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T: <a class="trait" href="core_api/trait.ExtendableOutputCore.html" title="trait digest::core_api::ExtendableOutputCore">ExtendableOutputCore</a> + <a class="trait" href="trait.Reset.html" title="trait digest::Reset">Reset</a>,
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T::<a class="associatedtype" href="core_api/trait.BlockSizeUser.html#associatedtype.BlockSize" title="type digest::core_api::BlockSizeUser::BlockSize">BlockSize</a>: <a class="trait" href="../typenum/type_operators/trait.IsLess.html" title="trait typenum::type_operators::IsLess">IsLess</a><<a class="type" href="consts/type.U256.html" title="type digest::consts::U256">U256</a>>,
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<a class="type" href="../typenum/operator_aliases/type.Le.html" title="type typenum::operator_aliases::Le">Le</a><T::<a class="associatedtype" href="core_api/trait.BlockSizeUser.html#associatedtype.BlockSize" title="type digest::core_api::BlockSizeUser::BlockSize">BlockSize</a>, <a class="type" href="consts/type.U256.html" title="type digest::consts::U256">U256</a>>: <a class="trait" href="../typenum/marker_traits/trait.NonZero.html" title="trait typenum::marker_traits::NonZero">NonZero</a>,
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<T::<a class="associatedtype" href="core_api/trait.ExtendableOutputCore.html#associatedtype.ReaderCore" title="type digest::core_api::ExtendableOutputCore::ReaderCore">ReaderCore</a> as <a class="trait" href="core_api/trait.BlockSizeUser.html" title="trait digest::core_api::BlockSizeUser">BlockSizeUser</a>>::<a class="associatedtype" href="core_api/trait.BlockSizeUser.html#associatedtype.BlockSize" title="type digest::core_api::BlockSizeUser::BlockSize">BlockSize</a>: <a class="trait" href="../typenum/type_operators/trait.IsLess.html" title="trait typenum::type_operators::IsLess">IsLess</a><<a class="type" href="consts/type.U256.html" title="type digest::consts::U256">U256</a>>,
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<a class="type" href="../typenum/operator_aliases/type.Le.html" title="type typenum::operator_aliases::Le">Le</a><<T::<a class="associatedtype" href="core_api/trait.ExtendableOutputCore.html#associatedtype.ReaderCore" title="type digest::core_api::ExtendableOutputCore::ReaderCore">ReaderCore</a> as <a class="trait" href="core_api/trait.BlockSizeUser.html" title="trait digest::core_api::BlockSizeUser">BlockSizeUser</a>>::<a class="associatedtype" href="core_api/trait.BlockSizeUser.html#associatedtype.BlockSize" title="type digest::core_api::BlockSizeUser::BlockSize">BlockSize</a>, <a class="type" href="consts/type.U256.html" title="type digest::consts::U256">U256</a>>: <a class="trait" href="../typenum/marker_traits/trait.NonZero.html" title="trait typenum::marker_traits::NonZero">NonZero</a>,</div></h3></section></div><script src="../trait.impl/digest/trait.ExtendableOutputReset.js" async></script></section></div></main></body></html> |