1--TEST--
2mcrypt_decrypt
3--SKIPIF--
4<?php if (!extension_loaded("mcrypt")) print "skip"; ?>
5--FILE--
6<?php
7$key      = "FooBar";
8$secret   = "PHP Testfest 2008";
9$mode     = MCRYPT_MODE_CBC;
10$cipher   = MCRYPT_RIJNDAEL_128;
11
12$iv       = mcrypt_create_iv(mcrypt_get_iv_size($cipher, $mode), MCRYPT_RAND);
13$enc_data = mcrypt_encrypt($cipher, $key, $secret, $mode, $iv);
14
15// we have to trim as AES rounds the blocks and decrypt doesnt detect that
16echo trim(mcrypt_decrypt($cipher, $key, $enc_data, $mode, $iv)) . "\n";
17
18// a warning must be issued if we don't use a IV on a AES cipher, that usually requires an IV
19mcrypt_decrypt($cipher, $key, $enc_data, MCRYPT_MODE_CBC);
20
21var_dump(strpos(mcrypt_decrypt(MCRYPT_BLOWFISH, "FooBar", $enc_data, MCRYPT_MODE_CBC, $iv), "Testfest") !== false);
22--EXPECTF--
23PHP Testfest 2008
24
25Warning: mcrypt_decrypt(): Attempt to use an empty IV, which is NOT recommend in %s on line %d
26
27Warning: mcrypt_decrypt(): The IV parameter must be as long as the blocksize in %s on line %d
28bool(false)