openssl-prebuild/linux_amd64/ssl/share/doc/openssl/html/man3/EVP_md5.html

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<title>EVP_md5</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="#conforming_to">CONFORMING TO</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>EVP_md5,
EVP_md5_sha1
- MD5 For EVP</p>
<p>
</p>
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<h1><a name="synopsis">SYNOPSIS</a></h1>
<pre>
#include &lt;openssl/evp.h&gt;</pre>
<pre>
const EVP_MD *EVP_md5(void);
const EVP_MD *EVP_md5_sha1(void);</pre>
<p>
</p>
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<h1><a name="description">DESCRIPTION</a></h1>
<p>MD5 is a cryptographic hash function standardized in <a href="http://www.ietf.org/rfc/rfc1321.txt" class="rfc">RFC 1321</a> and designed by
Ronald Rivest.</p>
<p>The CMU Software Engineering Institute considers MD5 unsuitable for further
use since its security has been severely compromised.</p>
<dl>
<dt><strong><a name="evp_md5" class="item">EVP_md5()</a></strong></dt>
<dd>
<p>The MD5 algorithm which produces a 128-bit output from a given input.</p>
</dd>
<dt><strong><a name="evp_md5_sha1" class="item">EVP_md5_sha1()</a></strong></dt>
<dd>
<p>A hash algorithm of SSL v3 that combines MD5 with SHA-1 as described in <a href="http://www.ietf.org/rfc/rfc6101.txt" class="rfc">RFC
6101</a>.</p>
<p>WARNING: this algorithm is not intended for non-SSL usage.</p>
</dd>
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<h1><a name="return_values">RETURN VALUES</a></h1>
<p>These functions return a <strong>EVP_MD</strong> structure that contains the
implementation of the symmetric cipher. See <em>EVP_MD_meth_new(3)</em> for
details of the <strong>EVP_MD</strong> structure.</p>
<p>
</p>
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<h1><a name="conforming_to">CONFORMING TO</a></h1>
<p>IETF <a href="http://www.ietf.org/rfc/rfc1321.txt" class="rfc">RFC 1321</a>.</p>
<p>
</p>
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<h1><a name="see_also">SEE ALSO</a></h1>
<p><em>evp(7)</em>,
<em>EVP_DigestInit(3)</em></p>
<p>
</p>
<hr />
<h1><a name="copyright">COPYRIGHT</a></h1>
<p>Copyright 2017-2018 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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