Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 1 | # Test hashlib module |
| 2 | # |
| 3 | # $Id$ |
| 4 | # |
Benjamin Peterson | 46a9900 | 2010-01-09 18:45:30 +0000 | [diff] [blame] | 5 | # Copyright (C) 2005-2010 Gregory P. Smith (greg@krypto.org) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 6 | # Licensed to PSF under a Contributor Agreement. |
| 7 | # |
| 8 | |
Benjamin Peterson | a28e702 | 2010-01-09 18:53:06 +0000 | [diff] [blame] | 9 | import array |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 10 | import hashlib |
Benjamin Peterson | a28e702 | 2010-01-09 18:53:06 +0000 | [diff] [blame] | 11 | import itertools |
Antoine Pitrou | 019ff19 | 2012-05-16 16:41:26 +0200 | [diff] [blame] | 12 | import os |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 13 | import sys |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 14 | try: |
| 15 | import threading |
| 16 | except ImportError: |
| 17 | threading = None |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 18 | import unittest |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 19 | import warnings |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 20 | from test import support |
Antoine Pitrou | 94190bb | 2011-10-04 10:22:36 +0200 | [diff] [blame] | 21 | from test.support import _4G, bigmemtest |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 22 | |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 23 | # Were we compiled --with-pydebug or with #define Py_DEBUG? |
| 24 | COMPILED_WITH_PYDEBUG = hasattr(sys, 'gettotalrefcount') |
| 25 | |
| 26 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 27 | def hexstr(s): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 28 | assert isinstance(s, bytes), repr(s) |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 29 | h = "0123456789abcdef" |
| 30 | r = '' |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 31 | for i in s: |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 32 | r += h[(i >> 4) & 0xF] + h[i & 0xF] |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 33 | return r |
| 34 | |
| 35 | |
| 36 | class HashLibTestCase(unittest.TestCase): |
| 37 | supported_hash_names = ( 'md5', 'MD5', 'sha1', 'SHA1', |
| 38 | 'sha224', 'SHA224', 'sha256', 'SHA256', |
| 39 | 'sha384', 'SHA384', 'sha512', 'SHA512' ) |
| 40 | |
Antoine Pitrou | 019ff19 | 2012-05-16 16:41:26 +0200 | [diff] [blame] | 41 | # Issue #14693: fallback modules are always compiled under POSIX |
| 42 | _warn_on_extension_import = os.name == 'posix' or COMPILED_WITH_PYDEBUG |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 43 | |
| 44 | def _conditional_import_module(self, module_name): |
| 45 | """Import a module and return a reference to it or None on failure.""" |
| 46 | try: |
| 47 | exec('import '+module_name) |
| 48 | except ImportError as error: |
| 49 | if self._warn_on_extension_import: |
| 50 | warnings.warn('Did a C extension fail to compile? %s' % error) |
| 51 | return locals().get(module_name) |
| 52 | |
| 53 | def __init__(self, *args, **kwargs): |
| 54 | algorithms = set() |
| 55 | for algorithm in self.supported_hash_names: |
| 56 | algorithms.add(algorithm.lower()) |
| 57 | self.constructors_to_test = {} |
| 58 | for algorithm in algorithms: |
| 59 | self.constructors_to_test[algorithm] = set() |
| 60 | |
| 61 | # For each algorithm, test the direct constructor and the use |
| 62 | # of hashlib.new given the algorithm name. |
| 63 | for algorithm, constructors in self.constructors_to_test.items(): |
| 64 | constructors.add(getattr(hashlib, algorithm)) |
| 65 | def _test_algorithm_via_hashlib_new(data=None, _alg=algorithm): |
| 66 | if data is None: |
| 67 | return hashlib.new(_alg) |
| 68 | return hashlib.new(_alg, data) |
| 69 | constructors.add(_test_algorithm_via_hashlib_new) |
| 70 | |
| 71 | _hashlib = self._conditional_import_module('_hashlib') |
| 72 | if _hashlib: |
| 73 | # These two algorithms should always be present when this module |
| 74 | # is compiled. If not, something was compiled wrong. |
| 75 | assert hasattr(_hashlib, 'openssl_md5') |
| 76 | assert hasattr(_hashlib, 'openssl_sha1') |
| 77 | for algorithm, constructors in self.constructors_to_test.items(): |
| 78 | constructor = getattr(_hashlib, 'openssl_'+algorithm, None) |
| 79 | if constructor: |
| 80 | constructors.add(constructor) |
| 81 | |
| 82 | _md5 = self._conditional_import_module('_md5') |
| 83 | if _md5: |
Gregory P. Smith | b04ded4 | 2010-01-03 00:38:10 +0000 | [diff] [blame] | 84 | self.constructors_to_test['md5'].add(_md5.md5) |
| 85 | _sha1 = self._conditional_import_module('_sha1') |
| 86 | if _sha1: |
| 87 | self.constructors_to_test['sha1'].add(_sha1.sha1) |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 88 | _sha256 = self._conditional_import_module('_sha256') |
| 89 | if _sha256: |
| 90 | self.constructors_to_test['sha224'].add(_sha256.sha224) |
| 91 | self.constructors_to_test['sha256'].add(_sha256.sha256) |
| 92 | _sha512 = self._conditional_import_module('_sha512') |
| 93 | if _sha512: |
| 94 | self.constructors_to_test['sha384'].add(_sha512.sha384) |
| 95 | self.constructors_to_test['sha512'].add(_sha512.sha512) |
| 96 | |
| 97 | super(HashLibTestCase, self).__init__(*args, **kwargs) |
| 98 | |
Benjamin Peterson | a28e702 | 2010-01-09 18:53:06 +0000 | [diff] [blame] | 99 | def test_hash_array(self): |
| 100 | a = array.array("b", range(10)) |
| 101 | constructors = self.constructors_to_test.values() |
| 102 | for cons in itertools.chain.from_iterable(constructors): |
| 103 | c = cons(a) |
| 104 | c.hexdigest() |
| 105 | |
Gregory P. Smith | 13b5529 | 2010-09-06 08:30:23 +0000 | [diff] [blame] | 106 | def test_algorithms_guaranteed(self): |
| 107 | self.assertEqual(hashlib.algorithms_guaranteed, |
Raymond Hettinger | bf1d2bc | 2011-01-24 04:52:27 +0000 | [diff] [blame] | 108 | set(_algo for _algo in self.supported_hash_names |
Gregory P. Smith | 86508cc | 2010-03-01 02:05:26 +0000 | [diff] [blame] | 109 | if _algo.islower())) |
| 110 | |
Gregory P. Smith | 13b5529 | 2010-09-06 08:30:23 +0000 | [diff] [blame] | 111 | def test_algorithms_available(self): |
| 112 | self.assertTrue(set(hashlib.algorithms_guaranteed). |
| 113 | issubset(hashlib.algorithms_available)) |
| 114 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 115 | def test_unknown_hash(self): |
Amaury Forgeot d'Arc | 3a3dc17 | 2012-06-29 01:53:13 +0200 | [diff] [blame] | 116 | self.assertRaises(ValueError, hashlib.new, 'spam spam spam spam spam') |
| 117 | self.assertRaises(TypeError, hashlib.new, 1) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 118 | |
Gregory P. Smith | 12c9d02 | 2011-05-14 15:15:49 -0700 | [diff] [blame] | 119 | def test_get_builtin_constructor(self): |
| 120 | get_builtin_constructor = hashlib.__dict__[ |
| 121 | '__get_builtin_constructor'] |
| 122 | self.assertRaises(ValueError, get_builtin_constructor, 'test') |
| 123 | try: |
| 124 | import _md5 |
| 125 | except ImportError: |
| 126 | pass |
| 127 | # This forces an ImportError for "import _md5" statements |
| 128 | sys.modules['_md5'] = None |
| 129 | try: |
| 130 | self.assertRaises(ValueError, get_builtin_constructor, 'md5') |
| 131 | finally: |
| 132 | if '_md5' in locals(): |
| 133 | sys.modules['_md5'] = _md5 |
| 134 | else: |
| 135 | del sys.modules['_md5'] |
Gregory P. Smith | 76c28f7 | 2012-07-21 21:19:53 -0700 | [diff] [blame] | 136 | self.assertRaises(TypeError, get_builtin_constructor, 3) |
Gregory P. Smith | 12c9d02 | 2011-05-14 15:15:49 -0700 | [diff] [blame] | 137 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 138 | def test_hexdigest(self): |
| 139 | for name in self.supported_hash_names: |
| 140 | h = hashlib.new(name) |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 141 | assert isinstance(h.digest(), bytes), name |
| 142 | self.assertEqual(hexstr(h.digest()), h.hexdigest()) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 143 | |
| 144 | |
| 145 | def test_large_update(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 146 | aas = b'a' * 128 |
| 147 | bees = b'b' * 127 |
| 148 | cees = b'c' * 126 |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 149 | |
| 150 | for name in self.supported_hash_names: |
| 151 | m1 = hashlib.new(name) |
| 152 | m1.update(aas) |
| 153 | m1.update(bees) |
| 154 | m1.update(cees) |
| 155 | |
| 156 | m2 = hashlib.new(name) |
| 157 | m2.update(aas + bees + cees) |
| 158 | self.assertEqual(m1.digest(), m2.digest()) |
| 159 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 160 | def check(self, name, data, digest): |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 161 | constructors = self.constructors_to_test[name] |
| 162 | # 2 is for hashlib.name(...) and hashlib.new(name, ...) |
| 163 | self.assertGreaterEqual(len(constructors), 2) |
| 164 | for hash_object_constructor in constructors: |
| 165 | computed = hash_object_constructor(data).hexdigest() |
| 166 | self.assertEqual( |
| 167 | computed, digest, |
| 168 | "Hash algorithm %s constructed using %s returned hexdigest" |
| 169 | " %r for %d byte input data that should have hashed to %r." |
| 170 | % (name, hash_object_constructor, |
| 171 | computed, len(data), digest)) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 172 | |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 173 | def check_no_unicode(self, algorithm_name): |
| 174 | # Unicode objects are not allowed as input. |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 175 | constructors = self.constructors_to_test[algorithm_name] |
| 176 | for hash_object_constructor in constructors: |
| 177 | self.assertRaises(TypeError, hash_object_constructor, 'spam') |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 178 | |
| 179 | def test_no_unicode(self): |
| 180 | self.check_no_unicode('md5') |
| 181 | self.check_no_unicode('sha1') |
| 182 | self.check_no_unicode('sha224') |
| 183 | self.check_no_unicode('sha256') |
| 184 | self.check_no_unicode('sha384') |
| 185 | self.check_no_unicode('sha512') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 186 | |
| 187 | def test_case_md5_0(self): |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 188 | self.check('md5', b'', 'd41d8cd98f00b204e9800998ecf8427e') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 189 | |
| 190 | def test_case_md5_1(self): |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 191 | self.check('md5', b'abc', '900150983cd24fb0d6963f7d28e17f72') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 192 | |
| 193 | def test_case_md5_2(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 194 | self.check('md5', |
| 195 | b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 196 | 'd174ab98d277d9f5a5611c2c9f419d9f') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 197 | |
Antoine Pitrou | 94190bb | 2011-10-04 10:22:36 +0200 | [diff] [blame] | 198 | @bigmemtest(size=_4G + 5, memuse=1) |
Benjamin Peterson | 78cb491 | 2008-09-24 22:53:33 +0000 | [diff] [blame] | 199 | def test_case_md5_huge(self, size): |
| 200 | if size == _4G + 5: |
| 201 | try: |
Antoine Pitrou | d7ae299 | 2010-11-08 20:36:57 +0000 | [diff] [blame] | 202 | self.check('md5', b'A'*size, 'c9af2dff37468ce5dfee8f2cfc0a9c6d') |
Benjamin Peterson | 78cb491 | 2008-09-24 22:53:33 +0000 | [diff] [blame] | 203 | except OverflowError: |
| 204 | pass # 32-bit arch |
| 205 | |
Antoine Pitrou | 94190bb | 2011-10-04 10:22:36 +0200 | [diff] [blame] | 206 | @bigmemtest(size=_4G - 1, memuse=1) |
Benjamin Peterson | 78cb491 | 2008-09-24 22:53:33 +0000 | [diff] [blame] | 207 | def test_case_md5_uintmax(self, size): |
| 208 | if size == _4G - 1: |
| 209 | try: |
Antoine Pitrou | d7ae299 | 2010-11-08 20:36:57 +0000 | [diff] [blame] | 210 | self.check('md5', b'A'*size, '28138d306ff1b8281f1a9067e1a1a2b3') |
Benjamin Peterson | 78cb491 | 2008-09-24 22:53:33 +0000 | [diff] [blame] | 211 | except OverflowError: |
| 212 | pass # 32-bit arch |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 213 | |
| 214 | # use the three examples from Federal Information Processing Standards |
| 215 | # Publication 180-1, Secure Hash Standard, 1995 April 17 |
| 216 | # http://www.itl.nist.gov/div897/pubs/fip180-1.htm |
| 217 | |
| 218 | def test_case_sha1_0(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 219 | self.check('sha1', b"", |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 220 | "da39a3ee5e6b4b0d3255bfef95601890afd80709") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 221 | |
| 222 | def test_case_sha1_1(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 223 | self.check('sha1', b"abc", |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 224 | "a9993e364706816aba3e25717850c26c9cd0d89d") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 225 | |
| 226 | def test_case_sha1_2(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 227 | self.check('sha1', |
| 228 | b"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 229 | "84983e441c3bd26ebaae4aa1f95129e5e54670f1") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 230 | |
| 231 | def test_case_sha1_3(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 232 | self.check('sha1', b"a" * 1000000, |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 233 | "34aa973cd4c4daa4f61eeb2bdbad27316534016f") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 234 | |
| 235 | |
| 236 | # use the examples from Federal Information Processing Standards |
| 237 | # Publication 180-2, Secure Hash Standard, 2002 August 1 |
| 238 | # http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf |
| 239 | |
| 240 | def test_case_sha224_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 241 | self.check('sha224', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 242 | "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f") |
| 243 | |
| 244 | def test_case_sha224_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 245 | self.check('sha224', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 246 | "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7") |
| 247 | |
| 248 | def test_case_sha224_2(self): |
| 249 | self.check('sha224', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 250 | b"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 251 | "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525") |
| 252 | |
| 253 | def test_case_sha224_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 254 | self.check('sha224', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 255 | "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67") |
| 256 | |
| 257 | |
| 258 | def test_case_sha256_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 259 | self.check('sha256', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 260 | "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855") |
| 261 | |
| 262 | def test_case_sha256_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 263 | self.check('sha256', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 264 | "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad") |
| 265 | |
| 266 | def test_case_sha256_2(self): |
| 267 | self.check('sha256', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 268 | b"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 269 | "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1") |
| 270 | |
| 271 | def test_case_sha256_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 272 | self.check('sha256', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 273 | "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0") |
| 274 | |
| 275 | |
| 276 | def test_case_sha384_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 277 | self.check('sha384', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 278 | "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da"+ |
| 279 | "274edebfe76f65fbd51ad2f14898b95b") |
| 280 | |
| 281 | def test_case_sha384_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 282 | self.check('sha384', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 283 | "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"+ |
| 284 | "8086072ba1e7cc2358baeca134c825a7") |
| 285 | |
| 286 | def test_case_sha384_2(self): |
| 287 | self.check('sha384', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 288 | b"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"+ |
| 289 | b"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 290 | "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"+ |
| 291 | "fcc7c71a557e2db966c3e9fa91746039") |
| 292 | |
| 293 | def test_case_sha384_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 294 | self.check('sha384', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 295 | "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"+ |
| 296 | "07b8b3dc38ecc4ebae97ddd87f3d8985") |
| 297 | |
| 298 | |
| 299 | def test_case_sha512_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 300 | self.check('sha512', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 301 | "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce"+ |
| 302 | "47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e") |
| 303 | |
| 304 | def test_case_sha512_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 305 | self.check('sha512', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 306 | "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"+ |
| 307 | "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f") |
| 308 | |
| 309 | def test_case_sha512_2(self): |
| 310 | self.check('sha512', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 311 | b"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"+ |
| 312 | b"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 313 | "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"+ |
| 314 | "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909") |
| 315 | |
| 316 | def test_case_sha512_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 317 | self.check('sha512', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 318 | "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"+ |
| 319 | "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b") |
| 320 | |
Antoine Pitrou | bcd5cbe | 2009-01-08 21:17:16 +0000 | [diff] [blame] | 321 | def test_gil(self): |
| 322 | # Check things work fine with an input larger than the size required |
| 323 | # for multithreaded operation (which is hardwired to 2048). |
| 324 | gil_minsize = 2048 |
| 325 | |
| 326 | m = hashlib.md5() |
| 327 | m.update(b'1') |
| 328 | m.update(b'#' * gil_minsize) |
| 329 | m.update(b'1') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 330 | self.assertEqual(m.hexdigest(), 'cb1e1a2cbc80be75e19935d621fb9b21') |
Antoine Pitrou | bcd5cbe | 2009-01-08 21:17:16 +0000 | [diff] [blame] | 331 | |
| 332 | m = hashlib.md5(b'x' * gil_minsize) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 333 | self.assertEqual(m.hexdigest(), 'cfb767f225d58469c5de3632a8803958') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 334 | |
Victor Stinner | 45df820 | 2010-04-28 22:31:17 +0000 | [diff] [blame] | 335 | @unittest.skipUnless(threading, 'Threading required for this test.') |
| 336 | @support.reap_threads |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 337 | def test_threaded_hashing(self): |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 338 | # Updating the same hash object from several threads at once |
| 339 | # using data chunk sizes containing the same byte sequences. |
| 340 | # |
| 341 | # If the internal locks are working to prevent multiple |
| 342 | # updates on the same object from running at once, the resulting |
| 343 | # hash will be the same as doing it single threaded upfront. |
| 344 | hasher = hashlib.sha1() |
| 345 | num_threads = 5 |
| 346 | smallest_data = b'swineflu' |
| 347 | data = smallest_data*200000 |
| 348 | expected_hash = hashlib.sha1(data*num_threads).hexdigest() |
| 349 | |
| 350 | def hash_in_chunks(chunk_size, event): |
| 351 | index = 0 |
| 352 | while index < len(data): |
| 353 | hasher.update(data[index:index+chunk_size]) |
| 354 | index += chunk_size |
| 355 | event.set() |
| 356 | |
| 357 | events = [] |
| 358 | for threadnum in range(num_threads): |
| 359 | chunk_size = len(data) // (10**threadnum) |
| 360 | assert chunk_size > 0 |
| 361 | assert chunk_size % len(smallest_data) == 0 |
| 362 | event = threading.Event() |
| 363 | events.append(event) |
| 364 | threading.Thread(target=hash_in_chunks, |
| 365 | args=(chunk_size, event)).start() |
| 366 | |
| 367 | for event in events: |
| 368 | event.wait() |
| 369 | |
| 370 | self.assertEqual(expected_hash, hasher.hexdigest()) |
| 371 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 372 | def test_main(): |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 373 | support.run_unittest(HashLibTestCase) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 374 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 375 | if __name__ == "__main__": |
| 376 | test_main() |