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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>Encrypt/decrypt data in CFB 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-cbc.html">mcrypt_cbc</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mcrypt-create-iv.html">mcrypt_create_iv</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-cfb" class="refentry"> <div class="refnamediv"> <h1 class="refname">mcrypt_cfb</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">mcrypt_cfb</span> — <span class="dc-title">Encrypt/decrypt data in CFB mode</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>mcrypt_cfb</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$cipher</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$key</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$data</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$mode</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$iv</tt></span> )</div> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>mcrypt_cfb</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$cipher</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$key</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$data</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$mode</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$iv</tt></span> ] )</div> <p class="para rdfs-comment"> The first prototype is when linked against libmcrypt 2.2.x, the second when linked against libmcrypt 2.4.x or higher. The <i><tt class="parameter">mode</tt></i> should be either <b><tt>MCRYPT_ENCRYPT</tt></b> or <b><tt>MCRYPT_DECRYPT</tt></b>. </p> <p class="para"> This function should not be used anymore, see <a href="function.mcrypt-generic.html" class="function">mcrypt_generic()</a> and <a href="function.mdecrypt-generic.html" class="function">mdecrypt_generic()</a> for replacements. </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.mcrypt-cbc.html">mcrypt_cbc</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.mcrypt-create-iv.html">mcrypt_create_iv</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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