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<meta name="description" content="API documentation for the Rust `digest` mod in crate `ring`.">
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<title>ring::digest - Rust</title>
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<nav class="sidebar">
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<p class='location'>Module digest</p><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#constants">Constants</a></li><li><a href="#statics">Statics</a></li><li><a href="#functions">Functions</a></li></ul></div><p class='location'><a href='../index.html'>ring</a></p><script>window.sidebarCurrent = {name: 'digest', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script>
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<section id='main' class="content">
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<h1 class='fqn'><span class='in-band'>Module <a href='../index.html'>ring</a>::<wbr><a class="mod" href=''>digest</a></span><span class='out-of-band'><span id='render-detail'>
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<a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">
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[<span class='inner'>−</span>]
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</span><a class='srclink' href='../../src/ring/digest/digest.rs.html#15-583' title='goto source code'>[src]</a></span></h1>
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<div class='docblock'><p>SHA-2 and the legacy SHA-1 digest algorithm.</p>
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<p>If all the data is available in a single contiguous slice then the <code>digest</code>
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function should be used. Otherwise, the digest can be calculated in
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multiple steps using <code>Context</code>.</p>
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</div><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Algorithm.html"
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title='struct ring::digest::Algorithm'>Algorithm</a></td>
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<td class='docblock-short'>
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<p>A digest algorithm.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Context.html"
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title='struct ring::digest::Context'>Context</a></td>
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<td class='docblock-short'>
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<p>A context for multi-step (Init-Update-Finish) digest calculations.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Digest.html"
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title='struct ring::digest::Digest'>Digest</a></td>
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<td class='docblock-short'>
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<p>A calculated digest value.</p>
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</td>
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</tr></table><h2 id='constants' class='section-header'><a href="#constants">Constants</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.MAX_BLOCK_LEN.html"
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title='constant ring::digest::MAX_BLOCK_LEN'>MAX_BLOCK_LEN</a></td>
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<td class='docblock-short'>
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<p>The maximum block length (<code>Algorithm::block_len</code>) of all the algorithms in
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this module.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.MAX_CHAINING_LEN.html"
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title='constant ring::digest::MAX_CHAINING_LEN'>MAX_CHAINING_LEN</a></td>
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<td class='docblock-short'>
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<p>The maximum chaining length (<code>Algorithm::chaining_len</code>) of all the
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algorithms in this module.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.MAX_OUTPUT_LEN.html"
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title='constant ring::digest::MAX_OUTPUT_LEN'>MAX_OUTPUT_LEN</a></td>
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<td class='docblock-short'>
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<p>The maximum output length (<code>Algorithm::output_len</code>) of all the algorithms
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in this module.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.SHA1_OUTPUT_LEN.html"
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title='constant ring::digest::SHA1_OUTPUT_LEN'>SHA1_OUTPUT_LEN</a></td>
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<td class='docblock-short'>
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<p>The length of the output of SHA-1, in bytes.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.SHA256_OUTPUT_LEN.html"
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title='constant ring::digest::SHA256_OUTPUT_LEN'>SHA256_OUTPUT_LEN</a></td>
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<td class='docblock-short'>
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<p>The length of the output of SHA-256, in bytes.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.SHA384_OUTPUT_LEN.html"
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title='constant ring::digest::SHA384_OUTPUT_LEN'>SHA384_OUTPUT_LEN</a></td>
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<td class='docblock-short'>
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<p>The length of the output of SHA-384, in bytes.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.SHA512_256_OUTPUT_LEN.html"
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title='constant ring::digest::SHA512_256_OUTPUT_LEN'>SHA512_256_OUTPUT_LEN</a></td>
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<td class='docblock-short'>
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<p>The length of the output of SHA-512/256, in bytes.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="constant" href="constant.SHA512_OUTPUT_LEN.html"
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title='constant ring::digest::SHA512_OUTPUT_LEN'>SHA512_OUTPUT_LEN</a></td>
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<td class='docblock-short'>
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<p>The length of the output of SHA-512, in bytes.</p>
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</td>
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</tr></table><h2 id='statics' class='section-header'><a href="#statics">Statics</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="static" href="static.SHA1.html"
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title='static ring::digest::SHA1'>SHA1</a></td>
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<td class='docblock-short'>
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<p>SHA-1 as specified in <a href="http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf">FIPS 180-4</a>. Deprecated.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="static" href="static.SHA256.html"
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title='static ring::digest::SHA256'>SHA256</a></td>
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<td class='docblock-short'>
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<p>SHA-256 as specified in <a href="http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf">FIPS 180-4</a>.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="static" href="static.SHA384.html"
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title='static ring::digest::SHA384'>SHA384</a></td>
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<td class='docblock-short'>
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<p>SHA-384 as specified in <a href="http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf">FIPS 180-4</a>.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="static" href="static.SHA512.html"
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title='static ring::digest::SHA512'>SHA512</a></td>
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<td class='docblock-short'>
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<p>SHA-512 as specified in <a href="http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf">FIPS 180-4</a>.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="static" href="static.SHA512_256.html"
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title='static ring::digest::SHA512_256'>SHA512_256</a></td>
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<td class='docblock-short'>
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<p>SHA-512/256 as specified in <a href="http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf">FIPS 180-4</a>.</p>
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</td>
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</tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="fn" href="fn.digest.html"
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title='fn ring::digest::digest'>digest</a></td>
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<td class='docblock-short'>
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<p>Returns the digest of <code>data</code> using the given digest algorithm.</p>
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</td>
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