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authorGravatar Walter Purcaro <vuolter@users.noreply.github.com> 2015-05-12 14:07:48 +0200
committerGravatar Walter Purcaro <vuolter@users.noreply.github.com> 2015-05-12 14:07:48 +0200
commit5d86cfd98437eaa2b84b07ba19d51d50d64bc53f (patch)
tree735c4b2445a274be1440b75c7733d2805ff24307 /lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py
parentOther import fixes (2) (diff)
downloadpyload-5d86cfd98437eaa2b84b07ba19d51d50d64bc53f.tar.xz
Missing optional lib
Diffstat (limited to 'lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py')
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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
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+++ b/lib/Python/Lib/Crypto/SelfTest/Hash/test_SHA256.py
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+# -*- 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: