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author | Walter Purcaro <vuolter@users.noreply.github.com> | 2015-05-12 14:07:48 +0200 |
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committer | Walter Purcaro <vuolter@users.noreply.github.com> | 2015-05-12 14:07:48 +0200 |
commit | 5d86cfd98437eaa2b84b07ba19d51d50d64bc53f (patch) | |
tree | 735c4b2445a274be1440b75c7733d2805ff24307 /lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py | |
parent | Other import fixes (2) (diff) | |
download | pyload-5d86cfd98437eaa2b84b07ba19d51d50d64bc53f.tar.xz |
Missing optional lib
Diffstat (limited to 'lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py')
-rw-r--r-- | lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py b/lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py new file mode 100644 index 000000000..4b451100d --- /dev/null +++ b/lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py @@ -0,0 +1,96 @@ +# -*- coding: utf-8 -*- +# +# SelfTest/Hash/test_SHA256.py: Self-test for the SHA-256 hash function +# +# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net> +# +# =================================================================== +# The contents of this file are dedicated to the public domain. To +# the extent that dedication to the public domain is not available, +# everyone is granted a worldwide, perpetual, royalty-free, +# non-exclusive license to exercise all rights associated with the +# contents of this file for any purpose whatsoever. +# No rights are reserved. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS +# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. +# =================================================================== + +"""Self-test suite for Crypto.Hash.SHA256""" + +__revision__ = "$Id$" + +import unittest +from Crypto.Util.py3compat import * + +class LargeSHA256Test(unittest.TestCase): + def runTest(self): + """SHA256: 512/520 MiB test""" + from Crypto.Hash import SHA256 + zeros = bchr(0x00) * (1024*1024) + + h = SHA256.new(zeros) + for i in xrange(511): + h.update(zeros) + + # This test vector is from PyCrypto's old testdata.py file. + self.assertEqual('9acca8e8c22201155389f65abbf6bc9723edc7384ead80503839f49dcc56d767', h.hexdigest()) # 512 MiB + + for i in xrange(8): + h.update(zeros) + + # This test vector is from PyCrypto's old testdata.py file. + self.assertEqual('abf51ad954b246009dfe5a50ecd582fd5b8f1b8b27f30393853c3ef721e7fa6e', h.hexdigest()) # 520 MiB + +def get_tests(config={}): + # Test vectors from FIPS PUB 180-2 + # This is a list of (expected_result, input[, description]) tuples. + test_data = [ + # FIPS PUB 180-2, B.1 - "One-Block Message" + ('ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad', + 'abc'), + + # FIPS PUB 180-2, B.2 - "Multi-Block Message" + ('248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1', + 'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq'), + + # FIPS PUB 180-2, B.3 - "Long Message" + ('cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0', + 'a' * 10**6, + '"a" * 10**6'), + + # Test for an old PyCrypto bug. + ('f7fd017a3c721ce7ff03f3552c0813adcc48b7f33f07e5e2ba71e23ea393d103', + 'This message is precisely 55 bytes long, to test a bug.', + 'Length = 55 (mod 64)'), + + # Example from http://de.wikipedia.org/wiki/Secure_Hash_Algorithm + ('e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', ''), + + ('d32b568cd1b96d459e7291ebf4b25d007f275c9f13149beeb782fac0716613f8', + 'Franz jagt im komplett verwahrlosten Taxi quer durch Bayern'), + ] + + from Crypto.Hash import SHA256 + from common import make_hash_tests + tests = make_hash_tests(SHA256, "SHA256", test_data, + digest_size=32, + oid="\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01") + + if config.get('slow_tests'): + tests += [LargeSHA256Test()] + + return tests + +if __name__ == '__main__': + import unittest + suite = lambda: unittest.TestSuite(get_tests()) + unittest.main(defaultTest='suite') + +# vim:set ts=4 sw=4 sts=4 expandtab: |