<!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>Returns the maximum supported keysize of the opened mode</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.mcrypt-module-get-algo-block-size.html">mcrypt_module_get_algo_block_size</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mcrypt-module-get-supported-key-sizes.html">mcrypt_module_get_supported_key_sizes</a></div> <div class="up"><a href="ref.mcrypt.html">Mcrypt Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.mcrypt-module-get-algo-key-size" class="refentry"> <div class="refnamediv"> <h1 class="refname">mcrypt_module_get_algo_key_size</h1> <p class="verinfo">(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)</p><p class="refpurpose"><span class="refname">mcrypt_module_get_algo_key_size</span> — <span class="dc-title">Returns the maximum supported keysize of the opened mode</span></p> </div> <div id="function.mcrypt-module-get-algo-key-size-refsynopsisdiv"> <div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function has been <em class="emphasis">DEPRECATED</em> as of PHP 7.1.0. Relying on this function is highly discouraged.</p></div> </div> <div class="refsect1 description" id="refsect1-function.mcrypt-module-get-algo-key-size-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><strong>mcrypt_module_get_algo_key_size</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$algorithm</code></span> [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$lib_dir</code></span> ] )</div> <p class="para rdfs-comment"> Gets the maximum supported keysize of the opened mode. </p> </div> <div class="refsect1 parameters" id="refsect1-function.mcrypt-module-get-algo-key-size-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <code class="parameter">algorithm</code></dt> <dd> <p class="para"> The algorithm name. </p> </dd> <dt> <code class="parameter">lib_dir</code></dt> <dd> <p class="para"> This optional parameter can contain the location where the mode module is on the system. </p> </dd> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.mcrypt-module-get-algo-key-size-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> This function returns the maximum supported key size of the algorithm specified in bytes. </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.mcrypt-module-get-algo-block-size.html">mcrypt_module_get_algo_block_size</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mcrypt-module-get-supported-key-sizes.html">mcrypt_module_get_supported_key_sizes</a></div> <div class="up"><a href="ref.mcrypt.html">Mcrypt Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>