String key = "F7D3A155AF5E238A0B7A871A96BA2AB2";
        String expect = "5BAE8D72EA64CA68189A85A5C8D80425";
        testRC4HMac(5, data, key, expect);
    }


    @Test
    public void testRC4Checksum4 () throws PACDecodingException, GeneralSecurityException {
        String data = "seventeen eighteen nineteen twenty twenty-one";
        String key = "F7D3A155AF5E238A0B7A871A96BA2AB2";