byte[] d = Hex.decode("7F575E8194BC5BDF");
byte[] d = Hex.decode("35ab875399cda33c146ca629660e5a5e5c07714ca326db032dd6751995cdb90a612b9228932d8302704ec24a5def7739c5813d83");
            public void nextBytes(byte[] bytes)            {                byte[] d = Hex.decode("7F575E8194BC5BDF");                System.arraycopy(d, 0, bytes, bytes.length-d.length, d.length);            }