<?php
$cipher_alg = MCRYPT_RIJNDAEL_128;
$shared_key = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
$key = pack("H*", $shared_key);
$init_vector = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
$iv = pack("H*", $init_vector);
echo mcrypt_decrypt($cipher_alg, $key, mcrypt_encrypt(
$cipher_alg, $key, 'This is a test', MCRYPT_MODE_CBC, $iv), MCRYPT_MODE_CBC, $iv);
preferences:
39.97 ms | 402 KiB | 5 Q