96 lines
3.3 KiB
HTML
96 lines
3.3 KiB
HTML
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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_MAC-Siphash</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="#DESCRIPTION">DESCRIPTION</a>
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<ul>
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<li><a href="#Identity">Identity</a></li>
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<li><a href="#Supported-parameters">Supported parameters</a></li>
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</ul>
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</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_MAC-Siphash - The Siphash EVP_MAC implementation</p>
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<h1 id="DESCRIPTION">DESCRIPTION</h1>
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<p>Support for computing Siphash MACs through the <b>EVP_MAC</b> API.</p>
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<h2 id="Identity">Identity</h2>
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<p>This implementation is identified with this name and properties, to be used with EVP_MAC_fetch():</p>
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<dl>
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<dt id="SIPHASH-provider-default">"SIPHASH", "provider=default"</dt>
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<dd>
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</dd>
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</dl>
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<h2 id="Supported-parameters">Supported parameters</h2>
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<p>The general description of these parameters can be found in <a href="../man3/EVP_MAC.html">"PARAMETERS" in EVP_MAC(3)</a>.</p>
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<p>All these parameters can be set with EVP_MAC_CTX_set_params(). Furthermore, the "size" parameter can be retrieved with EVP_MAC_CTX_get_params(), or with EVP_MAC_CTX_get_mac_size(). The length of the "size" parameter should not exceed that of a <b>size_t</b>.</p>
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<dl>
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<dt id="key-OSSL_MAC_PARAM_KEY-octet-string">"key" (<b>OSSL_MAC_PARAM_KEY</b>) <octet string></dt>
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<dd>
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<p>Sets the MAC key. Setting this parameter is identical to passing a <i>key</i> to <a href="../man3/EVP_MAC_init.html">EVP_MAC_init(3)</a>.</p>
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</dd>
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<dt id="size-OSSL_MAC_PARAM_SIZE-unsigned-integer">"size" (<b>OSSL_MAC_PARAM_SIZE</b>) <unsigned integer></dt>
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<dd>
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<p>Sets the MAC size.</p>
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</dd>
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<dt id="c-rounds-OSSL_MAC_PARAM_C_ROUNDS-unsigned-integer">"c-rounds" (<b>OSSL_MAC_PARAM_C_ROUNDS</b>) <unsigned integer></dt>
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<dd>
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<p>Specifies the number of rounds per message block. By default this is <i>2</i>.</p>
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</dd>
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<dt id="d-rounds-OSSL_MAC_PARAM_D_ROUNDS-unsigned-integer">"d-rounds" (<b>OSSL_MAC_PARAM_D_ROUNDS</b>) <unsigned integer></dt>
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<dd>
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<p>Specifies the number of finalisation rounds. By default this is <i>4</i>.</p>
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</dd>
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</dl>
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<h1 id="SEE-ALSO">SEE ALSO</h1>
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<p><a href="../man3/EVP_MAC_CTX_get_params.html">EVP_MAC_CTX_get_params(3)</a>, <a href="../man3/EVP_MAC_CTX_set_params.html">EVP_MAC_CTX_set_params(3)</a>, <a href="../man3/EVP_MAC.html">"PARAMETERS" in EVP_MAC(3)</a>, <a href="../man3/OSSL_PARAM.html">OSSL_PARAM(3)</a></p>
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<h1 id="COPYRIGHT">COPYRIGHT</h1>
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<p>Copyright 2018-2021 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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