The 5th Annual China PHP Conference



This extension has been deprecated as of PHP 7.1.0 and moved to PECL as of PHP 7.2.0.

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.

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User Contributed Notes 3 notes

remi at php dot net
1 year ago
This extension rely in libmcrypt which is dead, unmaintained since 2007.

Please don't rely on it, consider switching to well maintained alternatives (openssl, crypt, password hashing functions, phpseclib, password_compat...)
info at neutrosolutions dot com
23 days ago
On AWS Amazon Linux if you are using php 7.0.X version
then please use this command to install mcrypt library.

[ec2-user@ ~] sudo yum install php70-mcrypt
c dot light93 at gmail dot com
2 years ago
if you get a "The mcrypt extension is missing" alert somewhere, use
"sudo php5enmod mcrypt" and restart your server to enable it.
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