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env/lib/python3.11/site-packages/Crypto/SelfTest/Hash/test_MD5.py

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+# -*- coding: utf-8 -*-
+#
+#  SelfTest/Hash/MD5.py: Self-test for the MD5 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.MD5"""
+
+from Crypto.Util.py3compat import *
+from Crypto.Hash import MD5
+from binascii import unhexlify
+import unittest
+from Crypto.SelfTest.st_common import list_test_cases
+
+
+# This is a list of (expected_result, input[, description]) tuples.
+test_data = [
+    # Test vectors from RFC 1321
+    ('d41d8cd98f00b204e9800998ecf8427e', '', "'' (empty string)"),
+    ('0cc175b9c0f1b6a831c399e269772661', 'a'),
+    ('900150983cd24fb0d6963f7d28e17f72', 'abc'),
+    ('f96b697d7cb7938d525a2f31aaf161d0', 'message digest'),
+
+    ('c3fcd3d76192e4007dfb496cca67e13b', 'abcdefghijklmnopqrstuvwxyz',
+        'a-z'),
+
+    ('d174ab98d277d9f5a5611c2c9f419d9f',
+        'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789',
+        'A-Z, a-z, 0-9'),
+
+    ('57edf4a22be3c955ac49da2e2107b67a',
+        '1234567890123456789012345678901234567890123456'
+        + '7890123456789012345678901234567890',
+        "'1234567890' * 8"),
+
+    # https://www.cosic.esat.kuleuven.be/nessie/testvectors/hash/md5/Md5-128.unverified.test-vectors
+    ('57EDF4A22BE3C955AC49DA2E2107B67A', '1234567890' * 8, 'Set 1, vector #7'),
+    ('7707D6AE4E027C70EEA2A935C2296F21', 'a'*1000000, 'Set 1, vector #8'),
+]
+
+
+class Md5IterTest(unittest.TestCase):
+
+    def runTest(self):
+        message = b("\x00") * 16
+        result1 = "4AE71336E44BF9BF79D2752E234818A5".lower()
+        result2 = "1A83F51285E4D89403D00C46EF8508FE".lower()
+
+        h = MD5.new(message)
+        message = h.digest()
+        self.assertEqual(h.hexdigest(), result1)
+
+        for _ in range(99999):
+            h = MD5.new(message)
+            message = h.digest()
+
+        self.assertEqual(h.hexdigest(), result2)
+
+
+def get_tests(config={}):
+    from .common import make_hash_tests
+
+    tests =  make_hash_tests(MD5, "MD5", test_data,
+                            digest_size=16,
+                            oid="1.2.840.113549.2.5")
+    if config.get('slow_tests'):
+        tests += [ Md5IterTest() ]
+    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: