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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="Not recommended. Verification of ASN.1 DER-encoded ECDSA signatures using the P-256 curve and SHA-384."><title>ECDSA_P256_SHA384_ASN1 in ring::signature - 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="ring" 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="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc static"><!--[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="#">ECDSA_P256_SHA384_ASN1</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../ring/index.html">ring</a><span class="version">0.17.14</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In ring::<wbr>signature</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">ring</a>::<wbr><a href="index.html">signature</a></div><h1>Static <span class="static">ECDSA_<wbr>P256_<wbr>SHA384_<wbr>ASN1</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/ring/ec/suite_b/ecdsa/verification.rs.html#240-245">Source</a> </span></div><pre class="rust item-decl"><code>pub static ECDSA_P256_SHA384_ASN1: <a class="struct" href="struct.EcdsaVerificationAlgorithm.html" title="struct ring::signature::EcdsaVerificationAlgorithm">EcdsaVerificationAlgorithm</a></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p><em>Not recommended</em>. Verification of ASN.1 DER-encoded ECDSA signatures using
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the P-256 curve and SHA-384.</p>
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<p>In most situations, P-256 should be used only with SHA-256 and P-384
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should be used only with SHA-384. However, in some cases, particularly TLS
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on the web, it is necessary to support P-256 with SHA-384 for compatibility
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with widely-deployed implementations that do not follow these guidelines.</p>
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<p>See “<code>ECDSA_*_ASN1</code> Details” in <code>ring::signature</code>’s module-level
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documentation for more details.</p>
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</div></details></section></div></main></body></html> |