94 lines
4.2 KiB
HTML
94 lines
4.2 KiB
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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>EVP_des_cbc</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="#NOTES">NOTES</a></li>
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<li><a href="#RETURN-VALUES">RETURN VALUES</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>EVP_des_cbc, EVP_des_cfb, EVP_des_cfb1, EVP_des_cfb8, EVP_des_cfb64, EVP_des_ecb, EVP_des_ofb, EVP_des_ede, EVP_des_ede_cbc, EVP_des_ede_cfb, EVP_des_ede_cfb64, EVP_des_ede_ecb, EVP_des_ede_ofb, EVP_des_ede3, EVP_des_ede3_cbc, EVP_des_ede3_cfb, EVP_des_ede3_cfb1, EVP_des_ede3_cfb8, EVP_des_ede3_cfb64, EVP_des_ede3_ecb, EVP_des_ede3_ofb, EVP_des_ede3_wrap - EVP DES cipher</p>
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<h1 id="SYNOPSIS">SYNOPSIS</h1>
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<pre><code> #include <openssl/evp.h>
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const EVP_CIPHER *EVP_ciphername(void)</code></pre>
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<p><i>EVP_ciphername</i> is used a placeholder for any of the described cipher functions, such as <i>EVP_des_cbc</i>.</p>
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<h1 id="DESCRIPTION">DESCRIPTION</h1>
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<p>The DES encryption algorithm for EVP.</p>
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<dl>
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<dt id="EVP_des_cbc-EVP_des_ecb-EVP_des_cfb-EVP_des_cfb1-EVP_des_cfb8-EVP_des_cfb64-EVP_des_ofb">EVP_des_cbc(), EVP_des_ecb(), EVP_des_cfb(), EVP_des_cfb1(), EVP_des_cfb8(), EVP_des_cfb64(), EVP_des_ofb()</dt>
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<dd>
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<p>DES in CBC, ECB, CFB with 64-bit shift, CFB with 1-bit shift, CFB with 8-bit shift and OFB modes.</p>
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<p>None of these algorithms are provided by the OpenSSL default provider. To use them it is necessary to load either the OpenSSL legacy provider or another implementation.</p>
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</dd>
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<dt id="EVP_des_ede-EVP_des_ede_cbc-EVP_des_ede_cfb-EVP_des_ede_cfb64-EVP_des_ede_ecb-EVP_des_ede_ofb">EVP_des_ede(), EVP_des_ede_cbc(), EVP_des_ede_cfb(), EVP_des_ede_cfb64(), EVP_des_ede_ecb(), EVP_des_ede_ofb()</dt>
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<dd>
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<p>Two key triple DES in ECB, CBC, CFB with 64-bit shift and OFB modes.</p>
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</dd>
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<dt id="EVP_des_ede3-EVP_des_ede3_cbc-EVP_des_ede3_cfb-EVP_des_ede3_cfb1-EVP_des_ede3_cfb8-EVP_des_ede3_cfb64-EVP_des_ede3_ecb-EVP_des_ede3_ofb">EVP_des_ede3(), EVP_des_ede3_cbc(), EVP_des_ede3_cfb(), EVP_des_ede3_cfb1(), EVP_des_ede3_cfb8(), EVP_des_ede3_cfb64(), EVP_des_ede3_ecb(), EVP_des_ede3_ofb()</dt>
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<dd>
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<p>Three-key triple DES in ECB, CBC, CFB with 64-bit shift, CFB with 1-bit shift, CFB with 8-bit shift and OFB modes.</p>
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</dd>
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<dt id="EVP_des_ede3_wrap">EVP_des_ede3_wrap()</dt>
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<dd>
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<p>Triple-DES key wrap according to RFC 3217 Section 3.</p>
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</dd>
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</dl>
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<h1 id="NOTES">NOTES</h1>
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<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-DES.html">EVP_CIPHER-DES(7)</a> instead. See <a href="../man7/crypto.html">"Performance" in crypto(7)</a> for further information.</p>
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<h1 id="RETURN-VALUES">RETURN VALUES</h1>
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<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>
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<h1 id="SEE-ALSO">SEE ALSO</h1>
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<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>
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<h1 id="COPYRIGHT">COPYRIGHT</h1>
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<p>Copyright 2017-2023 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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