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Diffstat (limited to 'Lib/test/test_hashlib.py')
| -rw-r--r-- | Lib/test/test_hashlib.py | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py new file mode 100644 index 0000000..1dcadcd --- /dev/null +++ b/Lib/test/test_hashlib.py @@ -0,0 +1,191 @@ +# Test hashlib module +# +# $Id$ +# +# Copyright (C) 2005 Gregory P. Smith (greg@electricrain.com) +# Licensed to PSF under a Contributor Agreement. +# + +import hashlib +import unittest +from test import test_support + + +def hexstr(s): + import string + h = string.hexdigits + r = '' + for c in s: + i = ord(c) + r = r + h[(i >> 4) & 0xF] + h[i & 0xF] + return r + + +class HashLibTestCase(unittest.TestCase): + supported_hash_names = ( 'md5', 'MD5', 'sha1', 'SHA1', + 'sha224', 'SHA224', 'sha256', 'SHA256', + 'sha384', 'SHA384', 'sha512', 'SHA512' ) + + def test_unknown_hash(self): + try: + hashlib.new('spam spam spam spam spam') + except ValueError: + pass + else: + self.assert_(0 == "hashlib didn't reject bogus hash name") + + def test_hexdigest(self): + for name in self.supported_hash_names: + h = hashlib.new(name) + self.assert_(hexstr(h.digest()) == h.hexdigest()) + + + def test_large_update(self): + aas = 'a' * 128 + bees = 'b' * 127 + cees = 'c' * 126 + + for name in self.supported_hash_names: + m1 = hashlib.new(name) + m1.update(aas) + m1.update(bees) + m1.update(cees) + + m2 = hashlib.new(name) + m2.update(aas + bees + cees) + self.assertEqual(m1.digest(), m2.digest()) + + + def check(self, name, data, digest): + # test the direct constructors + computed = getattr(hashlib, name)(data).hexdigest() + self.assert_(computed == digest) + # test the general new() interface + computed = hashlib.new(name, data).hexdigest() + self.assert_(computed == digest) + + + def test_case_md5_0(self): + self.check('md5', '', 'd41d8cd98f00b204e9800998ecf8427e') + + def test_case_md5_1(self): + self.check('md5', 'abc', '900150983cd24fb0d6963f7d28e17f72') + + def test_case_md5_2(self): + self.check('md5', 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', + 'd174ab98d277d9f5a5611c2c9f419d9f') + + + # use the three examples from Federal Information Processing Standards + # Publication 180-1, Secure Hash Standard, 1995 April 17 + # http://www.itl.nist.gov/div897/pubs/fip180-1.htm + + def test_case_sha1_0(self): + self.check('sha1', "", + "da39a3ee5e6b4b0d3255bfef95601890afd80709") + + def test_case_sha1_1(self): + self.check('sha1', "abc", + "a9993e364706816aba3e25717850c26c9cd0d89d") + + def test_case_sha1_2(self): + self.check('sha1', "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + "84983e441c3bd26ebaae4aa1f95129e5e54670f1") + + def test_case_sha1_3(self): + self.check('sha1', "a" * 1000000, + "34aa973cd4c4daa4f61eeb2bdbad27316534016f") + + + # use the examples from Federal Information Processing Standards + # Publication 180-2, Secure Hash Standard, 2002 August 1 + # http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf + + def test_case_sha224_0(self): + self.check('sha224', "", + "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f") + + def test_case_sha224_1(self): + self.check('sha224', "abc", + "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7") + + def test_case_sha224_2(self): + self.check('sha224', + "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525") + + def test_case_sha224_3(self): + self.check('sha224', "a" * 1000000, + "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67") + + + def test_case_sha256_0(self): + self.check('sha256', "", + "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855") + + def test_case_sha256_1(self): + self.check('sha256', "abc", + "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad") + + def test_case_sha256_2(self): + self.check('sha256', + "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", + "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1") + + def test_case_sha256_3(self): + self.check('sha256', "a" * 1000000, + "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0") + + + def test_case_sha384_0(self): + self.check('sha384', "", + "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da"+ + "274edebfe76f65fbd51ad2f14898b95b") + + def test_case_sha384_1(self): + self.check('sha384', "abc", + "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"+ + "8086072ba1e7cc2358baeca134c825a7") + + def test_case_sha384_2(self): + self.check('sha384', + "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"+ + "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", + "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"+ + "fcc7c71a557e2db966c3e9fa91746039") + + def test_case_sha384_3(self): + self.check('sha384', "a" * 1000000, + "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"+ + "07b8b3dc38ecc4ebae97ddd87f3d8985") + + + def test_case_sha512_0(self): + self.check('sha512', "", + "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce"+ + "47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e") + + def test_case_sha512_1(self): + self.check('sha512', "abc", + "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"+ + "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f") + + def test_case_sha512_2(self): + self.check('sha512', + "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"+ + "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", + "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"+ + "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909") + + def test_case_sha512_3(self): + self.check('sha512', "a" * 1000000, + "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"+ + "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b") + + +def test_main(): + test_support.run_unittest(HashLibTestCase) + + +if __name__ == "__main__": + test_main() |