100 lines
3.7 KiB
HTML
Executable File
100 lines
3.7 KiB
HTML
Executable File
<?xml version="1.0" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>x509</title>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<link rev="made" href="mailto:root@localhost" />
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</head>
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<body style="background-color: white">
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<!-- INDEX BEGIN -->
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<div name="index">
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<p><a name="__index__"></a></p>
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<ul>
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<li><a href="#name">NAME</a></li>
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<li><a href="#synopsis">SYNOPSIS</a></li>
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<li><a href="#description">DESCRIPTION</a></li>
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<li><a href="#see_also">SEE ALSO</a></li>
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<li><a href="#copyright">COPYRIGHT</a></li>
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</ul>
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<hr name="index" />
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</div>
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<!-- INDEX END -->
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<p>
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</p>
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<hr />
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<h1><a name="name">NAME</a></h1>
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<p>x509 - X.509 certificate handling</p>
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<p>
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</p>
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<hr />
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<h1><a name="synopsis">SYNOPSIS</a></h1>
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<pre>
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#include <openssl/x509.h></pre>
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<p>
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</p>
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<hr />
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<h1><a name="description">DESCRIPTION</a></h1>
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<p>An X.509 certificate is a structured grouping of information about
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an individual, a device, or anything one can imagine. A X.509 CRL
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(certificate revocation list) is a tool to help determine if a
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certificate is still valid. The exact definition of those can be
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found in the X.509 document from ITU-T, or in <a href="http://www.ietf.org/rfc/rfc3280.txt" class="rfc">RFC3280</a> from PKIX.
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In OpenSSL, the type X509 is used to express such a certificate, and
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the type X509_CRL is used to express a CRL.</p>
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<p>A related structure is a certificate request, defined in PKCS#10 from
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RSA Security, Inc, also reflected in <a href="http://www.ietf.org/rfc/rfc2896.txt" class="rfc">RFC2896</a>. In OpenSSL, the type
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X509_REQ is used to express such a certificate request.</p>
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<p>To handle some complex parts of a certificate, there are the types
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X509_NAME (to express a certificate name), X509_ATTRIBUTE (to express
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a certificate attributes), X509_EXTENSION (to express a certificate
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extension) and a few more.</p>
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<p>Finally, there's the supertype X509_INFO, which can contain a CRL, a
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certificate and a corresponding private key.</p>
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<p><strong>X509_</strong><em>XXX</em>, <strong>d2i_X509_</strong><em>XXX</em>, and <strong>i2d_X509_</strong><em>XXX</em> functions
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handle X.509 certificates, with some exceptions, shown below.</p>
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<p><strong>X509_CRL_</strong><em>XXX</em>, <strong>d2i_X509_CRL_</strong><em>XXX</em>, and <strong>i2d_X509_CRL_</strong><em>XXX</em>
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functions handle X.509 CRLs.</p>
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<p><strong>X509_REQ_</strong><em>XXX</em>, <strong>d2i_X509_REQ_</strong><em>XXX</em>, and <strong>i2d_X509_REQ_</strong><em>XXX</em>
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functions handle PKCS#10 certificate requests.</p>
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<p><strong>X509_NAME_</strong><em>XXX</em> functions handle certificate names.</p>
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<p><strong>X509_ATTRIBUTE_</strong><em>XXX</em> functions handle certificate attributes.</p>
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<p><strong>X509_EXTENSION_</strong><em>XXX</em> functions handle certificate extensions.</p>
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<p>
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</p>
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<hr />
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<h1><a name="see_also">SEE ALSO</a></h1>
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<p><em>X509_NAME_ENTRY_get_object(3)</em>,
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<em>X509_NAME_add_entry_by_txt(3)</em>,
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<em>X509_NAME_add_entry_by_NID(3)</em>,
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<em>X509_NAME_print_ex(3)</em>,
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<em>X509_NAME_new(3)</em>,
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<em>d2i_X509(3)</em>,
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<em>d2i_X509_ALGOR(3)</em>,
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<em>d2i_X509_CRL(3)</em>,
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<em>d2i_X509_NAME(3)</em>,
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<em>d2i_X509_REQ(3)</em>,
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<em>d2i_X509_SIG(3)</em>,
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<em>X509v3(3)</em>,
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<em>crypto(7)</em></p>
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<p>
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</p>
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<hr />
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<h1><a name="copyright">COPYRIGHT</a></h1>
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<p>Copyright 2003-2017 The OpenSSL Project Authors. All Rights Reserved.</p>
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<p>Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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<a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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</body>
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</html>
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