<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Signature Algorithms</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="openssl.pkcs7.flags.html">PKCS7 Flags/Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="openssl.ciphers.html">Ciphers</a></div> <div class="up"><a href="openssl.constants.html">Predefined Constants</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="openssl.signature-algos" class="section"> <h2 class="title">Signature Algorithms</h2> <dl> <dt id="constant.openssl-algo-dss1"> <strong><code>OPENSSL_ALGO_DSS1</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-sha1"> <strong><code>OPENSSL_ALGO_SHA1</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> Used as default algorithm by <span class="function"><a href="function.openssl-sign.html" class="function">openssl_sign()</a></span> and <span class="function"><a href="function.openssl-verify.html" class="function">openssl_verify()</a></span>. </span> </dd> <dt id="constant.openssl-algo-sha224"> <strong><code>OPENSSL_ALGO_SHA224</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-sha256"> <strong><code>OPENSSL_ALGO_SHA256</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-sha384"> <strong><code>OPENSSL_ALGO_SHA384</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-sha512"> <strong><code>OPENSSL_ALGO_SHA512</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-rmd160"> <strong><code>OPENSSL_ALGO_RMD160</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-md5"> <strong><code>OPENSSL_ALGO_MD5</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-md4"> <strong><code>OPENSSL_ALGO_MD4</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> </span> </dd> <dt id="constant.openssl-algo-md2"> <strong><code>OPENSSL_ALGO_MD2</code></strong> (<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>) </dt> <dd> <span class="simpara"> As of PHP 5.2.13 and PHP 5.3.2, this constant is only available if PHP is compiled with MD2 support. This requires passing in the -DHAVE_OPENSSL_MD2_H CFLAG when compiling PHP, and enable-md2 when compiling OpenSSL 1.0.0+. </span> </dd> </dl> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">These constants were added in 5.0.0.</p> <p class="para"> <strong><code>OPENSSL_ALGO_MD2</code></strong>, <strong><code>OPENSSL_ALGO_MD4</code></strong>, <strong><code>OPENSSL_ALGO_MD5</code></strong>, <strong><code>OPENSSL_ALGO_SHA1</code></strong>, <strong><code>OPENSSL_ALGO_DSS1</code></strong> </p> </p></blockquote> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">These constants were added in 5.4.8.</p> <p class="para"> <strong><code>OPENSSL_ALGO_RMD160</code></strong>, <strong><code>OPENSSL_ALGO_SHA224</code></strong>, <strong><code>OPENSSL_ALGO_SHA256</code></strong>, <strong><code>OPENSSL_ALGO_SHA384</code></strong>, <strong><code>OPENSSL_ALGO_SHA512</code></strong> </p> </p></blockquote> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="openssl.pkcs7.flags.html">PKCS7 Flags/Constants</a></div> <div class="next" style="text-align: right; float: right;"><a href="openssl.ciphers.html">Ciphers</a></div> <div class="up"><a href="openssl.constants.html">Predefined Constants</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>