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<title>EVP_cast5_cbc</title>
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<ul id="index">
<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</a></li>
<li><a href="#NOTES">NOTES</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 id="NAME">NAME</h1>
<p>EVP_cast5_cbc, EVP_cast5_cfb, EVP_cast5_cfb64, EVP_cast5_ecb, EVP_cast5_ofb - EVP CAST cipher</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<pre><code> #include &lt;openssl/evp.h&gt;
const EVP_CIPHER *EVP_cast5_cbc(void);
const EVP_CIPHER *EVP_cast5_cfb(void);
const EVP_CIPHER *EVP_cast5_cfb64(void);
const EVP_CIPHER *EVP_cast5_ecb(void);
const EVP_CIPHER *EVP_cast5_ofb(void);</code></pre>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<p>The CAST encryption algorithm for EVP.</p>
<p>This is a variable key length cipher.</p>
<dl>
<dt id="EVP_cast5_cbc-EVP_cast5_ecb-EVP_cast5_cfb-EVP_cast5_cfb64-EVP_cast5_ofb">EVP_cast5_cbc(), EVP_cast5_ecb(), EVP_cast5_cfb(), EVP_cast5_cfb64(), EVP_cast5_ofb()</dt>
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<p>CAST encryption algorithm in CBC, ECB, CFB and OFB modes respectively.</p>
</dd>
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<h1 id="NOTES">NOTES</h1>
<p>Developers should be aware of the negative performance implications of calling these functions multiple times and should consider using <a href="../man3/EVP_CIPHER_fetch.html">EVP_CIPHER_fetch(3)</a> with <a href="../man7/EVP_CIPHER-CAST.html">EVP_CIPHER-CAST(7)</a> instead. See <a href="../man7/crypto.html">&quot;Performance&quot; in crypto(7)</a> for further information.</p>
<h1 id="RETURN-VALUES">RETURN VALUES</h1>
<p>These functions return an <b>EVP_CIPHER</b> structure that contains the implementation of the symmetric cipher. See <a href="../man3/EVP_CIPHER_meth_new.html">EVP_CIPHER_meth_new(3)</a> for details of the <b>EVP_CIPHER</b> structure.</p>
<h1 id="SEE-ALSO">SEE ALSO</h1>
<p><a href="../man7/evp.html">evp(7)</a>, <a href="../man3/EVP_EncryptInit.html">EVP_EncryptInit(3)</a>, <a href="../man3/EVP_CIPHER_meth_new.html">EVP_CIPHER_meth_new(3)</a></p>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 2017-2023 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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