m.init(new SecretKeySpec(Hex.decode(key), "HMAC"));
        byte[] mac = m.doFinal(bytes);
        checkBytes(Hex.decode(expect), mac);
    }


    @Test
    public void testRC4Checksum1 () throws PACDecodingException, GeneralSecurityException {
        String data = "fifteen sixteen";
        String key = "F7D3A155AF5E238A0B7A871A96BA2AB2";
        String expect = "6F65117E732E724D60FC2A9744CEAE43";