src/SelfTest/Hash/test_SHA256.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 #  SelfTest/Hash/SHA256.py: Self-test for the SHA-256 hash function
   4 #
   5 # =======================================================================
   6 # Copyright (C) 2008  Dwayne C. Litzenberger <dlitz@dlitz.net>
   7 #
   8 # Permission is hereby granted, free of charge, to any person obtaining
   9 # a copy of this software and associated documentation files (the
  10 # "Software"), to deal in the Software without restriction, including
  11 # without limitation the rights to use, copy, modify, merge, publish,
  12 # distribute, sublicense, and/or sell copies of the Software, and to
  13 # permit persons to whom the Software is furnished to do so.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHA256LL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 # =======================================================================
  27 #
  28
  29 """Self-test suite for CryptoPlus.Hash.SHA256"""
  30
  31 __revision__ = "$Id$"
  32
  33 # Test vectors from FIPS PUB 180-2
  34 # This is a list of (expected_result, input[, description]) tuples.
  35 test_data = [
  36     # FIPS PUB 180-2, B.1 - "One-Block Message"
  37     ('ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad',
  38         'abc'),
  39
  40     # FIPS PUB 180-2, B.2 - "Multi-Block Message"
  41     ('248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1',
  42         'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq'),
  43
  44     # FIPS PUB 180-2, B.3 - "Long Message"
  45 #    ('cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0',
  46 #        'a' * 10**6,
  47 #         '"a" * 10**6'),
  48
  49     # Test for an old PyCryptoPlus bug.
  50     ('f7fd017a3c721ce7ff03f3552c0813adcc48b7f33f07e5e2ba71e23ea393d103',
  51         'This message is precisely 55 bytes long, to test a bug.',
  52         'Length = 55 (mod 64)'),
  53 ]
  54
  55 def get_tests():
  56     from CryptoPlus.Hash import SHA256
  57     from common import make_hash_tests
  58     return make_hash_tests(SHA256, "SHA256", test_data)
  59
  60 if __name__ == '__main__':
  61     import unittest
  62     suite = lambda: unittest.TestSuite(get_tests())
  63     unittest.main(defaultTest='suite')
  64
  65 # vim:set ts=4 sw=4 sts=4 expandtab: