def testFIPS180_1_Appendix_A(self):
        """ APPENDIX A.  A SAMPLE MESSAGE AND ITS MESSAGE DIGEST """
        hashAlg = SHA1()
        message        = 'abc'
        message_digest = 0xA9993E36L, 0x4706816AL, 0xBA3E2571L, 0x7850C26CL, 0x9CD0D89DL
        md_string      = _toBString(message_digest)
        assert( hashAlg(message) == md_string ), 'FIPS180 Appendix A test Failed'