mpvrc/openssl/x509/extension/index.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="Add extensions to an `X509` certificate or certificate request."><title>openssl::x509::extension - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.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" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="openssl" data-themes="" data-resource-suffix="" data-rustdoc-version="1.84.1 (e71f9a9a9 2025-01-27)" data-channel="1.84.1" data-search-js="search-92e6798f.js" data-settings-js="settings-0f613d39.js" ><script src="../../../static.files/storage-59e33391.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></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" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../openssl/index.html">openssl</a><span class="version">0.10.68</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module extension</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#example" title="Example">Example</a></li></ul><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="../index.html">In openssl::<wbr>x509</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="../../index.html">openssl</a>::<wbr><a href="../index.html">x509</a></span><h1>Module <span>extension</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/openssl/x509/extension.rs.html#1-562">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Add extensions to an <code>X509</code> certificate or certificate request.</p>
<p>The extensions defined for X.509 v3 certificates provide methods for
associating additional attributes with users or public keys and for
managing relationships between CAs. The extensions created using this
module can be used with <code>X509v3Context</code> objects.</p>
<h2 id="example"><a class="doc-anchor" href="#example">§</a>Example</h2>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>openssl::x509::extension::BasicConstraints;
<span class="kw">use </span>openssl::x509::X509Extension;
<span class="kw">let </span><span class="kw-2">mut </span>bc = BasicConstraints::new();
<span class="kw">let </span>bc = bc.critical().ca().pathlen(<span class="number">1</span>);
<span class="kw">let </span>extension: X509Extension = bc.build().unwrap();</code></pre></div>
</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.AuthorityKeyIdentifier.html" title="struct openssl::x509::extension::AuthorityKeyIdentifier">Authority<wbr>KeyIdentifier</a></div><div class="desc docblock-short">An extension that provides a means of identifying the public key corresponding
to the private key used to sign a CRL.</div></li><li><div class="item-name"><a class="struct" href="struct.BasicConstraints.html" title="struct openssl::x509::extension::BasicConstraints">Basic<wbr>Constraints</a></div><div class="desc docblock-short">An extension which indicates whether a certificate is a CA certificate.</div></li><li><div class="item-name"><a class="struct" href="struct.ExtendedKeyUsage.html" title="struct openssl::x509::extension::ExtendedKeyUsage">Extended<wbr>KeyUsage</a></div><div class="desc docblock-short">An extension consisting of a list of usages indicating purposes
for which the certificate public key can be used for.</div></li><li><div class="item-name"><a class="struct" href="struct.KeyUsage.html" title="struct openssl::x509::extension::KeyUsage">KeyUsage</a></div><div class="desc docblock-short">An extension consisting of a list of names of the permitted key usages.</div></li><li><div class="item-name"><a class="struct" href="struct.SubjectAlternativeName.html" title="struct openssl::x509::extension::SubjectAlternativeName">Subject<wbr>Alternative<wbr>Name</a></div><div class="desc docblock-short">An extension that allows additional identities to be bound to the subject
of the certificate.</div></li><li><div class="item-name"><a class="struct" href="struct.SubjectKeyIdentifier.html" title="struct openssl::x509::extension::SubjectKeyIdentifier">Subject<wbr>KeyIdentifier</a></div><div class="desc docblock-short">An extension that provides a means of identifying certificates that contain a
particular public key.</div></li></ul></section></div></main></body></html>