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trussed/cipher/trait.BlockBackend.html
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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 implemented by block cipher encryption and decryption backends."><title>BlockBackend in cipher - 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-77263533.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="cipher" data-themes="" data-resource-suffix="" data-rustdoc-version="1.94.0 (4a4ef493e 2026-03-02)" data-channel="1.94.0" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-b897f86f.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-7bab91a1.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-ffcac47a.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="#">BlockBackend</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../cipher/index.html"><img src="https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg" alt="logo"></a><h2><a href="../cipher/index.html">cipher</a><span class="version">0.4.4</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Block<wbr>Backend</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.proc_block" title="proc_block">proc_block</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.proc_block_inplace" title="proc_block_inplace">proc_block_inplace</a></li><li><a href="#method.proc_par_blocks" title="proc_par_blocks">proc_par_blocks</a></li><li><a href="#method.proc_par_blocks_inplace" title="proc_par_blocks_inplace">proc_par_blocks_inplace</a></li><li><a href="#method.proc_tail_blocks" title="proc_tail_blocks">proc_tail_blocks</a></li><li><a href="#method.proc_tail_blocks_inplace" title="proc_tail_blocks_inplace">proc_tail_blocks_inplace</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 cipher</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">cipher</a></div><h1>Trait <span class="trait">Block<wbr>Backend</span>&nbsp;<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/cipher/block.rs.html#29-69">Source</a> </span></div><pre class="rust item-decl"><code>pub trait BlockBackend: <a class="trait" href="trait.ParBlocksSizeUser.html" title="trait cipher::ParBlocksSizeUser">ParBlocksSizeUser</a> {
// Required method
fn <a href="#tymethod.proc_block" class="fn">proc_block</a>(&amp;mut self, block: <a class="struct" href="../inout/inout/struct.InOut.html" title="struct inout::inout::InOut">InOut</a>&lt;'_, '_, <a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;&gt;);
// Provided methods
fn <a href="#method.proc_par_blocks" class="fn">proc_par_blocks</a>(&amp;mut self, blocks: <a class="struct" href="../inout/inout/struct.InOut.html" title="struct inout::inout::InOut">InOut</a>&lt;'_, '_, <a class="type" href="type.ParBlocks.html" title="type cipher::ParBlocks">ParBlocks</a>&lt;Self&gt;&gt;) { ... }
<span class="item-spacer"></span> fn <a href="#method.proc_tail_blocks" class="fn">proc_tail_blocks</a>(&amp;mut self, blocks: <a class="struct" href="../inout/inout_buf/struct.InOutBuf.html" title="struct inout::inout_buf::InOutBuf">InOutBuf</a>&lt;'_, '_, <a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;&gt;) { ... }
<span class="item-spacer"></span> fn <a href="#method.proc_block_inplace" class="fn">proc_block_inplace</a>(&amp;mut self, block: &amp;mut <a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;) { ... }
<span class="item-spacer"></span> fn <a href="#method.proc_par_blocks_inplace" class="fn">proc_par_blocks_inplace</a>(&amp;mut self, blocks: &amp;mut <a class="type" href="type.ParBlocks.html" title="type cipher::ParBlocks">ParBlocks</a>&lt;Self&gt;) { ... }
<span class="item-spacer"></span> fn <a href="#method.proc_tail_blocks_inplace" class="fn">proc_tail_blocks_inplace</a>(&amp;mut self, blocks: &amp;mut [<a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;]) { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Trait implemented by block cipher encryption and decryption backends.</p>
</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.proc_block" class="method"><a class="src rightside" href="../src/cipher/block.rs.html#31">Source</a><h4 class="code-header">fn <a href="#tymethod.proc_block" class="fn">proc_block</a>(&amp;mut self, block: <a class="struct" href="../inout/inout/struct.InOut.html" title="struct inout::inout::InOut">InOut</a>&lt;'_, '_, <a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;&gt;)</h4></section></summary><div class="docblock"><p>Process single inout block.</p>
</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.proc_par_blocks" class="method"><a class="src rightside" href="../src/cipher/block.rs.html#35-39">Source</a><h4 class="code-header">fn <a href="#method.proc_par_blocks" class="fn">proc_par_blocks</a>(&amp;mut self, blocks: <a class="struct" href="../inout/inout/struct.InOut.html" title="struct inout::inout::InOut">InOut</a>&lt;'_, '_, <a class="type" href="type.ParBlocks.html" title="type cipher::ParBlocks">ParBlocks</a>&lt;Self&gt;&gt;)</h4></section></summary><div class="docblock"><p>Process inout blocks in parallel.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.proc_tail_blocks" class="method"><a class="src rightside" href="../src/cipher/block.rs.html#44-49">Source</a><h4 class="code-header">fn <a href="#method.proc_tail_blocks" class="fn">proc_tail_blocks</a>(&amp;mut self, blocks: <a class="struct" href="../inout/inout_buf/struct.InOutBuf.html" title="struct inout::inout_buf::InOutBuf">InOutBuf</a>&lt;'_, '_, <a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;&gt;)</h4></section></summary><div class="docblock"><p>Process buffer of inout blocks. Length of the buffer MUST be smaller
than <code>Self::ParBlocksSize</code>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.proc_block_inplace" class="method"><a class="src rightside" href="../src/cipher/block.rs.html#53-55">Source</a><h4 class="code-header">fn <a href="#method.proc_block_inplace" class="fn">proc_block_inplace</a>(&amp;mut self, block: &amp;mut <a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;)</h4></section></summary><div class="docblock"><p>Process single block in-place.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.proc_par_blocks_inplace" class="method"><a class="src rightside" href="../src/cipher/block.rs.html#59-61">Source</a><h4 class="code-header">fn <a href="#method.proc_par_blocks_inplace" class="fn">proc_par_blocks_inplace</a>(&amp;mut self, blocks: &amp;mut <a class="type" href="type.ParBlocks.html" title="type cipher::ParBlocks">ParBlocks</a>&lt;Self&gt;)</h4></section></summary><div class="docblock"><p>Process blocks in parallel in-place.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.proc_tail_blocks_inplace" class="method"><a class="src rightside" href="../src/cipher/block.rs.html#66-68">Source</a><h4 class="code-header">fn <a href="#method.proc_tail_blocks_inplace" class="fn">proc_tail_blocks_inplace</a>(&amp;mut self, blocks: &amp;mut [<a class="type" href="type.Block.html" title="type cipher::Block">Block</a>&lt;Self&gt;])</h4></section></summary><div class="docblock"><p>Process buffer of blocks in-place. Length of the buffer MUST be smaller
than <code>Self::ParBlocksSize</code>.</p>
</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/1.94.0/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"></div><script src="../trait.impl/cipher/block/trait.BlockBackend.js" async></script></section></div></main></body></html>