<!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>Introduction</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.mcrypt.html">Mcrypt</a></div> <div class="next" style="text-align: right; float: right;"><a href="mcrypt.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.mcrypt.html">Mcrypt</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="intro.mcrypt" class="preface"> <h1 class="title">Introduction</h1> <div class="warning"><strong class="warning">Warning</strong> <p class="para"> This feature was <em class="emphasis">DEPRECATED</em> in PHP 7.1.0, and <em class="emphasis">REMOVED</em> in PHP 7.2.0. </p> <p class="para"> Alternatives to this feature include: </p> <ul class="simplelist"> <li class="member"> <a href="book.sodium.html" class="link">Sodium</a> (available as of PHP 7.2.0) </li> <li class="member"> <a href="book.openssl.html" class="link">OpenSSL</a> </li> </ul> </div> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> This extension has been moved to the <a href="http://pecl.php.net/" class="link external">» PECL</a> repository and is no longer bundled with PHP as of PHP 7.2.0. </p> </p></blockquote> <p class="para"> This is an interface to the mcrypt library, which supports a wide variety of block algorithms such as DES, TripleDES, Blowfish (default), 3-WAY, SAFER-SK64, SAFER-SK128, TWOFISH, TEA, RC2 and GOST in CBC, OFB, CFB and ECB cipher modes. Additionally, it supports RC6 and IDEA which are considered "non-free". CFB/OFB are 8bit by default. </p> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.mcrypt.html">Mcrypt</a></div> <div class="next" style="text-align: right; float: right;"><a href="mcrypt.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.mcrypt.html">Mcrypt</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>