$message = 'Ready your ammunition; we attack at dawn.'; $key = hex2bin('000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f');
$encrypted = SaferCrypto::encrypt($message, $key); $decrypted = SaferCrypto::decrypt($encrypted, $key);
var_dump($encrypted, $decrypted);