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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns the maximum supported keysize of the opened mode</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div 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)</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 class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>mcrypt_module_get_algo_key_size</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$algorithm</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$lib_dir</tt></span> ] )</div> <p class="para rdfs-comment"> Gets the maximum supported keysize of the opened mode. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">algorithm</tt></i></span> <dd> <p class="para"> The algorithm name. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">lib_dir</tt></i></span> <dd> <p class="para"> This optional parameter can contain the location where the mode module is on the system. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 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 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>⌨️ 快捷键说明
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