89 lines
3.5 KiB
HTML
Executable File
89 lines
3.5 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_ALGOR_dup</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="#return_values">RETURN VALUES</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_ALGOR_dup, X509_ALGOR_set0, X509_ALGOR_get0, X509_ALGOR_set_md, X509_ALGOR_cmp - AlgorithmIdentifier functions</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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<pre>
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X509_ALGOR *X509_ALGOR_dup(X509_ALGOR *alg);
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int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval);
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void X509_ALGOR_get0(const ASN1_OBJECT **paobj, int *pptype,
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const void **ppval, const X509_ALGOR *alg);
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void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md);
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int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b);</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>X509_ALGOR_dup() returns a copy of <strong>alg</strong>.</p>
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<p>X509_ALGOR_set0() sets the algorithm OID of <strong>alg</strong> to <strong>aobj</strong> and the
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associated parameter type to <strong>ptype</strong> with value <strong>pval</strong>. If <strong>ptype</strong> is
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<strong>V_ASN1_UNDEF</strong> the parameter is omitted, otherwise <strong>ptype</strong> and <strong>pval</strong> have
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the same meaning as the <strong>type</strong> and <strong>value</strong> parameters to ASN1_TYPE_set().
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All the supplied parameters are used internally so must <strong>NOT</strong> be freed after
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this call.</p>
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<p>X509_ALGOR_get0() is the inverse of X509_ALGOR_set0(): it returns the
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algorithm OID in <strong>*paobj</strong> and the associated parameter in <strong>*pptype</strong>
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and <strong>*ppval</strong> from the <strong>AlgorithmIdentifier</strong> <strong>alg</strong>.</p>
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<p>X509_ALGOR_set_md() sets the <strong>AlgorithmIdentifier</strong> <strong>alg</strong> to appropriate
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values for the message digest <strong>md</strong>.</p>
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<p>X509_ALGOR_cmp() compares <strong>a</strong> and <strong>b</strong> and returns 0 if they have identical
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encodings and nonzero otherwise.</p>
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<p>
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</p>
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<hr />
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<h1><a name="return_values">RETURN VALUES</a></h1>
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<p>X509_ALGOR_dup() returns a valid <strong>X509_ALGOR</strong> structure or NULL if an error
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occurred.</p>
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<p>X509_ALGOR_set0() returns 1 on success or 0 on error.</p>
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<p>X509_ALGOR_get0() and X509_ALGOR_set_md() return no values.</p>
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<p>X509_ALGOR_cmp() returns 0 if the two parameters have identical encodings and
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nonzero otherwise.</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 2002-2018 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
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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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