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Side by Side Diff: third_party/google-endpoints/Crypto/SelfTest/Hash/test_SHA256.py

Issue 2666783008: Add google-endpoints to third_party/. (Closed)
Patch Set: Created 3 years, 10 months ago
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1 # -*- coding: utf-8 -*-
2 #
3 # SelfTest/Hash/test_SHA256.py: Self-test for the SHA-256 hash function
4 #
5 # Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
6 #
7 # ===================================================================
8 # The contents of this file are dedicated to the public domain. To
9 # the extent that dedication to the public domain is not available,
10 # everyone is granted a worldwide, perpetual, royalty-free,
11 # non-exclusive license to exercise all rights associated with the
12 # contents of this file for any purpose whatsoever.
13 # No rights are reserved.
14 #
15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 # SOFTWARE.
23 # ===================================================================
24
25 """Self-test suite for Crypto.Hash.SHA256"""
26
27 __revision__ = "$Id$"
28
29 import unittest
30 from Crypto.Util.py3compat import *
31
32 class LargeSHA256Test(unittest.TestCase):
33 def runTest(self):
34 """SHA256: 512/520 MiB test"""
35 from Crypto.Hash import SHA256
36 zeros = bchr(0x00) * (1024*1024)
37
38 h = SHA256.new(zeros)
39 for i in xrange(511):
40 h.update(zeros)
41
42 # This test vector is from PyCrypto's old testdata.py file.
43 self.assertEqual('9acca8e8c22201155389f65abbf6bc9723edc7384ead80503839f4 9dcc56d767', h.hexdigest()) # 512 MiB
44
45 for i in xrange(8):
46 h.update(zeros)
47
48 # This test vector is from PyCrypto's old testdata.py file.
49 self.assertEqual('abf51ad954b246009dfe5a50ecd582fd5b8f1b8b27f30393853c3e f721e7fa6e', h.hexdigest()) # 520 MiB
50
51 def get_tests(config={}):
52 # Test vectors from FIPS PUB 180-2
53 # This is a list of (expected_result, input[, description]) tuples.
54 test_data = [
55 # FIPS PUB 180-2, B.1 - "One-Block Message"
56 ('ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad',
57 'abc'),
58
59 # FIPS PUB 180-2, B.2 - "Multi-Block Message"
60 ('248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1',
61 'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq'),
62
63 # FIPS PUB 180-2, B.3 - "Long Message"
64 ('cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0',
65 'a' * 10**6,
66 '"a" * 10**6'),
67
68 # Test for an old PyCrypto bug.
69 ('f7fd017a3c721ce7ff03f3552c0813adcc48b7f33f07e5e2ba71e23ea393d103',
70 'This message is precisely 55 bytes long, to test a bug.',
71 'Length = 55 (mod 64)'),
72
73 # Example from http://de.wikipedia.org/wiki/Secure_Hash_Algorithm
74 ('e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', '') ,
75
76 ('d32b568cd1b96d459e7291ebf4b25d007f275c9f13149beeb782fac0716613f8',
77 'Franz jagt im komplett verwahrlosten Taxi quer durch Bayern'),
78 ]
79
80 from Crypto.Hash import SHA256
81 from common import make_hash_tests
82 tests = make_hash_tests(SHA256, "SHA256", test_data,
83 digest_size=32,
84 oid="\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01")
85
86 if config.get('slow_tests'):
87 tests += [LargeSHA256Test()]
88
89 return tests
90
91 if __name__ == '__main__':
92 import unittest
93 suite = lambda: unittest.TestSuite(get_tests())
94 unittest.main(defaultTest='suite')
95
96 # vim:set ts=4 sw=4 sts=4 expandtab:
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