68 lines
2.7 KiB
HTML
68 lines
2.7 KiB
HTML
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<?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_check_private_key</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:" />
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</head>
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<body>
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<ul id="index">
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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="#RETURN-VALUES">RETURN VALUES</a></li>
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<li><a href="#BUGS">BUGS</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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<h1 id="NAME">NAME</h1>
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<p>X509_check_private_key, X509_REQ_check_private_key - check the consistency of a private key with the public key in an X509 certificate or certificate request</p>
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<h1 id="SYNOPSIS">SYNOPSIS</h1>
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<pre><code> #include <openssl/x509.h>
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int X509_check_private_key(const X509 *cert, EVP_PKEY *pkey);
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int X509_REQ_check_private_key(X509_REQ *req, EVP_PKEY *pkey);</code></pre>
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<h1 id="DESCRIPTION">DESCRIPTION</h1>
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<p>X509_check_private_key() function checks the consistency of private key <i>pkey</i> with the public key in <i>cert</i>.</p>
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<p>X509_REQ_check_private_key() is equivalent to X509_check_private_key() except that <i>req</i> represents a certificate request of structure <b>X509_REQ</b>.</p>
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<h1 id="RETURN-VALUES">RETURN VALUES</h1>
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<p>X509_check_private_key() and X509_REQ_check_private_key() return 1 if the keys match each other, and 0 if not.</p>
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<p>If the key is invalid or an error occurred, the reason code can be obtained using <a href="../man3/ERR_get_error.html">ERR_get_error(3)</a>.</p>
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<h1 id="BUGS">BUGS</h1>
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<p>The X509_check_private_key() and X509_REQ_check_private_key() functions do not check if <i>pkey</i> itself is indeed a private key or not. They merely compare the public materials (e.g., exponent and modulus of an RSA key) and/or key parameters (e.g. EC params of an EC key) of a key pair. So they also return success if <i>pkey</i> is a matching public key.</p>
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<h1 id="SEE-ALSO">SEE ALSO</h1>
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<p><a href="../man3/ERR_get_error.html">ERR_get_error(3)</a></p>
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<h1 id="COPYRIGHT">COPYRIGHT</h1>
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<p>Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.</p>
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<p>Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <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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