def testFIPS180_1_Appendix_B(self):
""" APPENDIX B. A SECOND SAMPLE MESSAGE AND ITS MESSAGE DIGEST """
hashAlg = SHA1()
message = 'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq'
message_digest = 0x84983E44L, 0x1C3BD26EL, 0xBAAE4AA1L, 0xF95129E5L, 0xE54670F1L
md_string = _toBString(message_digest)
assert( hashAlg(message) == md_string ), 'FIPS180 Appendix B test Failed'
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'
def testFIPS180_1_Appendix_C(self):
""" APPENDIX C. A THIRD SAMPLE MESSAGE AND ITS MESSAGE DIGEST
Let the message be the binary-coded form of the ASCII string which consists
of 1,000,000 repetitions of "a". """
hashAlg = SHA1()
message = 1000000*'a'
message_digest = 0x34AA973CL, 0xD4C4DAA4L, 0xF61EEB2BL, 0xDBAD2731L, 0x6534016FL
md_string = _toBString(message_digest)
assert( hashAlg(message) == md_string ), 'FIPS180 Appendix C test Failed'
def testSHA1_oneByteKey(self):
""" HMAC_SHA1 oneByteKey of 0xFF"""
ki = ''.join([chr(0x36) for i in range(64)])
ko = ''.join([chr(0x5C) for i in range(64)])
ki = chr(ord(ki[0]) ^ 0xFF) + ki[1:]
ko = chr(ord(ko[0]) ^ 0xFF) + ko[1:]
h = SHA1()
keyedHashAlg = HMAC(SHA1, chr(0xff))
assert (keyedHashAlg('') == h(ko +
h(ki))), 'one byte key, Null data test'
assert (
keyedHashAlg('a') == h(ko +
h(ki + 'a'))), 'one byte key, a data test'
assert (keyedHashAlg('ab') == h(ko + h(ki + 'ab'))
), 'one byte key, ab data test'
assert (keyedHashAlg(
50 * 'a') == h(ko +
h(ki + 50 * 'a'))), 'one byte key, 50*a data test'
def testSHA1_NullKey(self):
""" HMAC_SHA1 testNullKey """
ki = ''.join([chr(0x36) for i in range(64)])
ko = ''.join([chr(0x5C) for i in range(64)])
h = SHA1()
keyedHashAlg = HMAC(SHA1, key='')
assert (keyedHashAlg('') == h(ko + h(ki))), 'Null key, Null data test'
assert (keyedHashAlg('a') == h(ko +
h(ki + 'a'))), 'Null key, a data test'
assert (
keyedHashAlg('ab') == h(ko +
h(ki + 'ab'))), 'Null key, ab data test'
assert (keyedHashAlg(
50 * 'a') == h(ko + h(ki + 50 * 'a'))), 'Null key, 50*a data test'
# try hmac in two steps of 25 chrs
manual_hmac = h(ko + h(ki + 50 * 'a'))
keyedHashAlg.update(25 * 'a')
keyedHashAlg.update(25 * 'a')
hm = keyedHashAlg.digest()
assert (hm == manual_hmac), 'HMAC as update, update and digest'