$key_size = mcrypt_get_key_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
$key = __passwdGen($key_size);
function __passwdGen($length = 8){
$str = 'abcdefghijkmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
for ($i = 0, $passwd = ''; $i < $length; $i++)
$passwd .= substr($str, mt_rand(0, strlen($str) - 1), 1);
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
$iv = base64_encode(mcrypt_create_iv($iv_size, MCRYPT_RAND));
$rijndael_iv = __getiv();
$rijndael_key = __getkey();
echo $rijndael_iv.'SOFTACULOUS'.$rijndael_key;
@unlink('update_rijndael.php');