openssl-prebuild/linux_amd64/ssl/share/doc/openssl/html/man3/DSA_generate_key.html

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<title>DSA_generate_key</title>
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<li><a href="#name">NAME</a></li>
<li><a href="#synopsis">SYNOPSIS</a></li>
<li><a href="#description">DESCRIPTION</a></li>
<li><a href="#return_values">RETURN VALUES</a></li>
<li><a href="#see_also">SEE ALSO</a></li>
<li><a href="#copyright">COPYRIGHT</a></li>
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<h1><a name="name">NAME</a></h1>
<p>DSA_generate_key - generate DSA key pair</p>
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<h1><a name="synopsis">SYNOPSIS</a></h1>
<pre>
#include &lt;openssl/dsa.h&gt;</pre>
<pre>
int DSA_generate_key(DSA *a);</pre>
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<h1><a name="description">DESCRIPTION</a></h1>
<p><code>DSA_generate_key()</code> expects <strong>a</strong> to contain DSA parameters. It generates
a new key pair and stores it in <strong>a-&gt;pub_key</strong> and <strong>a-&gt;priv_key</strong>.</p>
<p>The random generator must be seeded prior to calling <code>DSA_generate_key()</code>.
If the automatic seeding or reseeding of the OpenSSL CSPRNG fails due to
external circumstances (see <em>RAND(7)</em>), the operation will fail.</p>
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<h1><a name="return_values">RETURN VALUES</a></h1>
<p><code>DSA_generate_key()</code> returns 1 on success, 0 otherwise.
The error codes can be obtained by <em>ERR_get_error(3)</em>.</p>
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<h1><a name="see_also">SEE ALSO</a></h1>
<p><em>DSA_new(3)</em>, <em>ERR_get_error(3)</em>, <em>RAND_bytes(3)</em>,
<em>DSA_generate_parameters_ex(3)</em></p>
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<h1><a name="copyright">COPYRIGHT</a></h1>
<p>Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.</p>
<p>Licensed under the Apache License 2.0 (the &quot;License&quot;). 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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