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 |
Christian Heimes | 39093e9 | 2016-09-06 20:22:28 +0200 | [diff] [blame] | 10 | from binascii import unhexlify |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 11 | import hashlib |
Benjamin Peterson | 77526f0 | 2018-01-29 18:03:01 -0800 | [diff] [blame] | 12 | import importlib |
Benjamin Peterson | a28e702 | 2010-01-09 18:53:06 +0000 | [diff] [blame] | 13 | import itertools |
Antoine Pitrou | 019ff19 | 2012-05-16 16:41:26 +0200 | [diff] [blame] | 14 | import os |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 15 | import sys |
Antoine Pitrou | a6a4dc8 | 2017-09-07 18:56:24 +0200 | [diff] [blame] | 16 | import threading |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 17 | import unittest |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 18 | import warnings |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 19 | from test import support |
Christian Heimes | 3626a50 | 2013-10-19 14:12:02 +0200 | [diff] [blame] | 20 | from test.support import _4G, bigmemtest, import_fresh_module |
Christian Heimes | 8118824 | 2016-09-08 10:53:40 +0200 | [diff] [blame] | 21 | from http.client import HTTPException |
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 | |
Christian Heimes | 3626a50 | 2013-10-19 14:12:02 +0200 | [diff] [blame] | 26 | c_hashlib = import_fresh_module('hashlib', fresh=['_hashlib']) |
| 27 | py_hashlib = import_fresh_module('hashlib', blocked=['_hashlib']) |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 28 | |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 29 | try: |
| 30 | import _blake2 |
| 31 | except ImportError: |
| 32 | _blake2 = None |
| 33 | |
| 34 | requires_blake2 = unittest.skipUnless(_blake2, 'requires _blake2') |
| 35 | |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 36 | try: |
| 37 | import _sha3 |
| 38 | except ImportError: |
| 39 | _sha3 = None |
| 40 | |
| 41 | requires_sha3 = unittest.skipUnless(_sha3, 'requires _sha3') |
| 42 | |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 43 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 44 | def hexstr(s): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 45 | assert isinstance(s, bytes), repr(s) |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 46 | h = "0123456789abcdef" |
| 47 | r = '' |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 48 | for i in s: |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 49 | r += h[(i >> 4) & 0xF] + h[i & 0xF] |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 50 | return r |
| 51 | |
| 52 | |
Christian Heimes | 59a0464 | 2016-09-07 01:21:14 +0200 | [diff] [blame] | 53 | URL = "http://www.pythontest.net/hashlib/{}.txt" |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 54 | |
| 55 | def read_vectors(hash_name): |
Christian Heimes | 8118824 | 2016-09-08 10:53:40 +0200 | [diff] [blame] | 56 | url = URL.format(hash_name) |
| 57 | try: |
| 58 | testdata = support.open_urlresource(url) |
| 59 | except (OSError, HTTPException): |
| 60 | raise unittest.SkipTest("Could not retrieve {}".format(url)) |
| 61 | with testdata: |
| 62 | for line in testdata: |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 63 | line = line.strip() |
| 64 | if line.startswith('#') or not line: |
| 65 | continue |
| 66 | parts = line.split(',') |
| 67 | parts[0] = bytes.fromhex(parts[0]) |
| 68 | yield parts |
| 69 | |
| 70 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 71 | class HashLibTestCase(unittest.TestCase): |
| 72 | supported_hash_names = ( 'md5', 'MD5', 'sha1', 'SHA1', |
| 73 | 'sha224', 'SHA224', 'sha256', 'SHA256', |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 74 | 'sha384', 'SHA384', 'sha512', 'SHA512', |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 75 | 'blake2b', 'blake2s', |
| 76 | 'sha3_224', 'sha3_256', 'sha3_384', 'sha3_512', |
| 77 | 'shake_128', 'shake_256') |
| 78 | |
| 79 | shakes = {'shake_128', 'shake_256'} |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 80 | |
Antoine Pitrou | 019ff19 | 2012-05-16 16:41:26 +0200 | [diff] [blame] | 81 | # Issue #14693: fallback modules are always compiled under POSIX |
| 82 | _warn_on_extension_import = os.name == 'posix' or COMPILED_WITH_PYDEBUG |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 83 | |
| 84 | def _conditional_import_module(self, module_name): |
| 85 | """Import a module and return a reference to it or None on failure.""" |
| 86 | try: |
Benjamin Peterson | 77526f0 | 2018-01-29 18:03:01 -0800 | [diff] [blame] | 87 | return importlib.import_module(module_name) |
| 88 | except ModuleNotFoundError as error: |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 89 | if self._warn_on_extension_import: |
| 90 | warnings.warn('Did a C extension fail to compile? %s' % error) |
Benjamin Peterson | 77526f0 | 2018-01-29 18:03:01 -0800 | [diff] [blame] | 91 | return None |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 92 | |
| 93 | def __init__(self, *args, **kwargs): |
| 94 | algorithms = set() |
| 95 | for algorithm in self.supported_hash_names: |
| 96 | algorithms.add(algorithm.lower()) |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 97 | |
| 98 | _blake2 = self._conditional_import_module('_blake2') |
| 99 | if _blake2: |
| 100 | algorithms.update({'blake2b', 'blake2s'}) |
| 101 | |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 102 | self.constructors_to_test = {} |
| 103 | for algorithm in algorithms: |
| 104 | self.constructors_to_test[algorithm] = set() |
| 105 | |
| 106 | # For each algorithm, test the direct constructor and the use |
| 107 | # of hashlib.new given the algorithm name. |
| 108 | for algorithm, constructors in self.constructors_to_test.items(): |
| 109 | constructors.add(getattr(hashlib, algorithm)) |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 110 | def _test_algorithm_via_hashlib_new(data=None, _alg=algorithm, **kwargs): |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 111 | if data is None: |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 112 | return hashlib.new(_alg, **kwargs) |
| 113 | return hashlib.new(_alg, data, **kwargs) |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 114 | constructors.add(_test_algorithm_via_hashlib_new) |
| 115 | |
| 116 | _hashlib = self._conditional_import_module('_hashlib') |
| 117 | if _hashlib: |
| 118 | # These two algorithms should always be present when this module |
| 119 | # is compiled. If not, something was compiled wrong. |
Gregory P. Smith | 914061a | 2013-08-05 13:14:37 -0700 | [diff] [blame] | 120 | self.assertTrue(hasattr(_hashlib, 'openssl_md5')) |
| 121 | self.assertTrue(hasattr(_hashlib, 'openssl_sha1')) |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 122 | for algorithm, constructors in self.constructors_to_test.items(): |
| 123 | constructor = getattr(_hashlib, 'openssl_'+algorithm, None) |
| 124 | if constructor: |
| 125 | constructors.add(constructor) |
| 126 | |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 127 | def add_builtin_constructor(name): |
| 128 | constructor = getattr(hashlib, "__get_builtin_constructor")(name) |
| 129 | self.constructors_to_test[name].add(constructor) |
| 130 | |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 131 | _md5 = self._conditional_import_module('_md5') |
| 132 | if _md5: |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 133 | add_builtin_constructor('md5') |
Gregory P. Smith | b04ded4 | 2010-01-03 00:38:10 +0000 | [diff] [blame] | 134 | _sha1 = self._conditional_import_module('_sha1') |
| 135 | if _sha1: |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 136 | add_builtin_constructor('sha1') |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 137 | _sha256 = self._conditional_import_module('_sha256') |
| 138 | if _sha256: |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 139 | add_builtin_constructor('sha224') |
| 140 | add_builtin_constructor('sha256') |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 141 | _sha512 = self._conditional_import_module('_sha512') |
| 142 | if _sha512: |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 143 | add_builtin_constructor('sha384') |
| 144 | add_builtin_constructor('sha512') |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 145 | if _blake2: |
| 146 | add_builtin_constructor('blake2s') |
| 147 | add_builtin_constructor('blake2b') |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 148 | |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 149 | _sha3 = self._conditional_import_module('_sha3') |
| 150 | if _sha3: |
| 151 | add_builtin_constructor('sha3_224') |
| 152 | add_builtin_constructor('sha3_256') |
| 153 | add_builtin_constructor('sha3_384') |
| 154 | add_builtin_constructor('sha3_512') |
| 155 | add_builtin_constructor('shake_128') |
| 156 | add_builtin_constructor('shake_256') |
| 157 | |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 158 | super(HashLibTestCase, self).__init__(*args, **kwargs) |
| 159 | |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 160 | @property |
| 161 | def hash_constructors(self): |
| 162 | constructors = self.constructors_to_test.values() |
| 163 | return itertools.chain.from_iterable(constructors) |
| 164 | |
Oren Milman | d019bc8 | 2018-02-13 12:28:33 +0200 | [diff] [blame^] | 165 | @support.refcount_test |
| 166 | def test_refleaks_in_hash___init__(self): |
| 167 | gettotalrefcount = support.get_attribute(sys, 'gettotalrefcount') |
| 168 | sha1_hash = c_hashlib.new('sha1') |
| 169 | refs_before = gettotalrefcount() |
| 170 | for i in range(100): |
| 171 | sha1_hash.__init__('sha1') |
| 172 | self.assertAlmostEqual(gettotalrefcount() - refs_before, 0, delta=10) |
| 173 | |
Benjamin Peterson | a28e702 | 2010-01-09 18:53:06 +0000 | [diff] [blame] | 174 | def test_hash_array(self): |
| 175 | a = array.array("b", range(10)) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 176 | for cons in self.hash_constructors: |
Benjamin Peterson | a28e702 | 2010-01-09 18:53:06 +0000 | [diff] [blame] | 177 | c = cons(a) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 178 | if c.name in self.shakes: |
| 179 | c.hexdigest(16) |
| 180 | else: |
| 181 | c.hexdigest() |
Benjamin Peterson | a28e702 | 2010-01-09 18:53:06 +0000 | [diff] [blame] | 182 | |
Gregory P. Smith | 13b5529 | 2010-09-06 08:30:23 +0000 | [diff] [blame] | 183 | def test_algorithms_guaranteed(self): |
| 184 | self.assertEqual(hashlib.algorithms_guaranteed, |
Raymond Hettinger | bf1d2bc | 2011-01-24 04:52:27 +0000 | [diff] [blame] | 185 | set(_algo for _algo in self.supported_hash_names |
Gregory P. Smith | 86508cc | 2010-03-01 02:05:26 +0000 | [diff] [blame] | 186 | if _algo.islower())) |
| 187 | |
Gregory P. Smith | 13b5529 | 2010-09-06 08:30:23 +0000 | [diff] [blame] | 188 | def test_algorithms_available(self): |
| 189 | self.assertTrue(set(hashlib.algorithms_guaranteed). |
| 190 | issubset(hashlib.algorithms_available)) |
| 191 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 192 | def test_unknown_hash(self): |
Amaury Forgeot d'Arc | 3a3dc17 | 2012-06-29 01:53:13 +0200 | [diff] [blame] | 193 | self.assertRaises(ValueError, hashlib.new, 'spam spam spam spam spam') |
| 194 | self.assertRaises(TypeError, hashlib.new, 1) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 195 | |
Gregory P. Smith | 12c9d02 | 2011-05-14 15:15:49 -0700 | [diff] [blame] | 196 | def test_get_builtin_constructor(self): |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 197 | get_builtin_constructor = getattr(hashlib, |
| 198 | '__get_builtin_constructor') |
| 199 | builtin_constructor_cache = getattr(hashlib, |
| 200 | '__builtin_constructor_cache') |
Gregory P. Smith | 12c9d02 | 2011-05-14 15:15:49 -0700 | [diff] [blame] | 201 | self.assertRaises(ValueError, get_builtin_constructor, 'test') |
| 202 | try: |
| 203 | import _md5 |
| 204 | except ImportError: |
Benjamin Peterson | 9544180 | 2018-01-29 22:14:17 -0800 | [diff] [blame] | 205 | self.skipTest("_md5 module not available") |
Gregory P. Smith | 12c9d02 | 2011-05-14 15:15:49 -0700 | [diff] [blame] | 206 | # This forces an ImportError for "import _md5" statements |
| 207 | sys.modules['_md5'] = None |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 208 | # clear the cache |
| 209 | builtin_constructor_cache.clear() |
Gregory P. Smith | 12c9d02 | 2011-05-14 15:15:49 -0700 | [diff] [blame] | 210 | try: |
| 211 | self.assertRaises(ValueError, get_builtin_constructor, 'md5') |
| 212 | finally: |
| 213 | if '_md5' in locals(): |
| 214 | sys.modules['_md5'] = _md5 |
| 215 | else: |
| 216 | del sys.modules['_md5'] |
Gregory P. Smith | 76c28f7 | 2012-07-21 21:19:53 -0700 | [diff] [blame] | 217 | self.assertRaises(TypeError, get_builtin_constructor, 3) |
Christian Heimes | e535107 | 2013-10-22 14:59:12 +0200 | [diff] [blame] | 218 | constructor = get_builtin_constructor('md5') |
| 219 | self.assertIs(constructor, _md5.md5) |
| 220 | self.assertEqual(sorted(builtin_constructor_cache), ['MD5', 'md5']) |
Gregory P. Smith | 12c9d02 | 2011-05-14 15:15:49 -0700 | [diff] [blame] | 221 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 222 | def test_hexdigest(self): |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 223 | for cons in self.hash_constructors: |
| 224 | h = cons() |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 225 | if h.name in self.shakes: |
| 226 | self.assertIsInstance(h.digest(16), bytes) |
| 227 | self.assertEqual(hexstr(h.digest(16)), h.hexdigest(16)) |
| 228 | else: |
| 229 | self.assertIsInstance(h.digest(), bytes) |
| 230 | self.assertEqual(hexstr(h.digest()), h.hexdigest()) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 231 | |
Jason R. Coombs | b2aa6f4 | 2013-08-03 11:39:39 +0200 | [diff] [blame] | 232 | def test_name_attribute(self): |
| 233 | for cons in self.hash_constructors: |
| 234 | h = cons() |
Gregory P. Smith | 914061a | 2013-08-05 13:14:37 -0700 | [diff] [blame] | 235 | self.assertIsInstance(h.name, str) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 236 | if h.name in self.supported_hash_names: |
| 237 | self.assertIn(h.name, self.supported_hash_names) |
| 238 | else: |
| 239 | self.assertNotIn(h.name, self.supported_hash_names) |
Gregory P. Smith | 914061a | 2013-08-05 13:14:37 -0700 | [diff] [blame] | 240 | self.assertEqual(h.name, hashlib.new(h.name).name) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 241 | |
| 242 | def test_large_update(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 243 | aas = b'a' * 128 |
| 244 | bees = b'b' * 127 |
| 245 | cees = b'c' * 126 |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 246 | dees = b'd' * 2048 # HASHLIB_GIL_MINSIZE |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 247 | |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 248 | for cons in self.hash_constructors: |
| 249 | m1 = cons() |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 250 | m1.update(aas) |
| 251 | m1.update(bees) |
| 252 | m1.update(cees) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 253 | m1.update(dees) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 254 | if m1.name in self.shakes: |
| 255 | args = (16,) |
| 256 | else: |
| 257 | args = () |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 258 | |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 259 | m2 = cons() |
| 260 | m2.update(aas + bees + cees + dees) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 261 | self.assertEqual(m1.digest(*args), m2.digest(*args)) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 262 | |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 263 | m3 = cons(aas + bees + cees + dees) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 264 | self.assertEqual(m1.digest(*args), m3.digest(*args)) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 265 | |
| 266 | # verify copy() doesn't touch original |
| 267 | m4 = cons(aas + bees + cees) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 268 | m4_digest = m4.digest(*args) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 269 | m4_copy = m4.copy() |
| 270 | m4_copy.update(dees) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 271 | self.assertEqual(m1.digest(*args), m4_copy.digest(*args)) |
| 272 | self.assertEqual(m4.digest(*args), m4_digest) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 273 | |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 274 | def check(self, name, data, hexdigest, shake=False, **kwargs): |
| 275 | length = len(hexdigest)//2 |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 276 | hexdigest = hexdigest.lower() |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 277 | constructors = self.constructors_to_test[name] |
| 278 | # 2 is for hashlib.name(...) and hashlib.new(name, ...) |
| 279 | self.assertGreaterEqual(len(constructors), 2) |
| 280 | for hash_object_constructor in constructors: |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 281 | m = hash_object_constructor(data, **kwargs) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 282 | computed = m.hexdigest() if not shake else m.hexdigest(length) |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 283 | self.assertEqual( |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 284 | computed, hexdigest, |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 285 | "Hash algorithm %s constructed using %s returned hexdigest" |
| 286 | " %r for %d byte input data that should have hashed to %r." |
| 287 | % (name, hash_object_constructor, |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 288 | computed, len(data), hexdigest)) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 289 | computed = m.digest() if not shake else m.digest(length) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 290 | digest = bytes.fromhex(hexdigest) |
| 291 | self.assertEqual(computed, digest) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 292 | if not shake: |
| 293 | self.assertEqual(len(digest), m.digest_size) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 294 | |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 295 | def check_no_unicode(self, algorithm_name): |
| 296 | # Unicode objects are not allowed as input. |
Gregory P. Smith | cd54e54 | 2010-01-03 00:29:15 +0000 | [diff] [blame] | 297 | constructors = self.constructors_to_test[algorithm_name] |
| 298 | for hash_object_constructor in constructors: |
| 299 | self.assertRaises(TypeError, hash_object_constructor, 'spam') |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 300 | |
| 301 | def test_no_unicode(self): |
| 302 | self.check_no_unicode('md5') |
| 303 | self.check_no_unicode('sha1') |
| 304 | self.check_no_unicode('sha224') |
| 305 | self.check_no_unicode('sha256') |
| 306 | self.check_no_unicode('sha384') |
| 307 | self.check_no_unicode('sha512') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 308 | |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 309 | @requires_blake2 |
| 310 | def test_no_unicode_blake2(self): |
| 311 | self.check_no_unicode('blake2b') |
| 312 | self.check_no_unicode('blake2s') |
| 313 | |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 314 | @requires_sha3 |
| 315 | def test_no_unicode_sha3(self): |
| 316 | self.check_no_unicode('sha3_224') |
| 317 | self.check_no_unicode('sha3_256') |
| 318 | self.check_no_unicode('sha3_384') |
| 319 | self.check_no_unicode('sha3_512') |
| 320 | self.check_no_unicode('shake_128') |
| 321 | self.check_no_unicode('shake_256') |
| 322 | |
| 323 | def check_blocksize_name(self, name, block_size=0, digest_size=0, |
| 324 | digest_length=None): |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 325 | constructors = self.constructors_to_test[name] |
| 326 | for hash_object_constructor in constructors: |
| 327 | m = hash_object_constructor() |
| 328 | self.assertEqual(m.block_size, block_size) |
| 329 | self.assertEqual(m.digest_size, digest_size) |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 330 | if digest_length: |
| 331 | self.assertEqual(len(m.digest(digest_length)), |
| 332 | digest_length) |
| 333 | self.assertEqual(len(m.hexdigest(digest_length)), |
| 334 | 2*digest_length) |
| 335 | else: |
| 336 | self.assertEqual(len(m.digest()), digest_size) |
| 337 | self.assertEqual(len(m.hexdigest()), 2*digest_size) |
Christian Heimes | 37d5ceb | 2013-08-15 18:31:48 +0200 | [diff] [blame] | 338 | self.assertEqual(m.name, name) |
Christian Heimes | d49a371 | 2013-07-30 15:35:54 +0200 | [diff] [blame] | 339 | # split for sha3_512 / _sha3.sha3 object |
Christian Heimes | 37d5ceb | 2013-08-15 18:31:48 +0200 | [diff] [blame] | 340 | self.assertIn(name.split("_")[0], repr(m)) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 341 | |
| 342 | def test_blocksize_name(self): |
| 343 | self.check_blocksize_name('md5', 64, 16) |
| 344 | self.check_blocksize_name('sha1', 64, 20) |
| 345 | self.check_blocksize_name('sha224', 64, 28) |
| 346 | self.check_blocksize_name('sha256', 64, 32) |
| 347 | self.check_blocksize_name('sha384', 128, 48) |
| 348 | self.check_blocksize_name('sha512', 128, 64) |
Christian Heimes | e370409 | 2016-09-23 11:32:30 +0200 | [diff] [blame] | 349 | |
| 350 | @requires_sha3 |
| 351 | def test_blocksize_name_sha3(self): |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 352 | self.check_blocksize_name('sha3_224', 144, 28) |
| 353 | self.check_blocksize_name('sha3_256', 136, 32) |
| 354 | self.check_blocksize_name('sha3_384', 104, 48) |
| 355 | self.check_blocksize_name('sha3_512', 72, 64) |
| 356 | self.check_blocksize_name('shake_128', 168, 0, 32) |
| 357 | self.check_blocksize_name('shake_256', 136, 0, 64) |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 358 | |
Christian Heimes | e370409 | 2016-09-23 11:32:30 +0200 | [diff] [blame] | 359 | def check_sha3(self, name, capacity, rate, suffix): |
| 360 | constructors = self.constructors_to_test[name] |
| 361 | for hash_object_constructor in constructors: |
| 362 | m = hash_object_constructor() |
| 363 | self.assertEqual(capacity + rate, 1600) |
| 364 | self.assertEqual(m._capacity_bits, capacity) |
| 365 | self.assertEqual(m._rate_bits, rate) |
| 366 | self.assertEqual(m._suffix, suffix) |
| 367 | |
| 368 | @requires_sha3 |
| 369 | def test_extra_sha3(self): |
| 370 | self.check_sha3('sha3_224', 448, 1152, b'\x06') |
| 371 | self.check_sha3('sha3_256', 512, 1088, b'\x06') |
| 372 | self.check_sha3('sha3_384', 768, 832, b'\x06') |
| 373 | self.check_sha3('sha3_512', 1024, 576, b'\x06') |
| 374 | self.check_sha3('shake_128', 256, 1344, b'\x1f') |
| 375 | self.check_sha3('shake_256', 512, 1088, b'\x1f') |
| 376 | |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 377 | @requires_blake2 |
| 378 | def test_blocksize_name_blake2(self): |
| 379 | self.check_blocksize_name('blake2b', 128, 64) |
| 380 | self.check_blocksize_name('blake2s', 64, 32) |
| 381 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 382 | def test_case_md5_0(self): |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 383 | self.check('md5', b'', 'd41d8cd98f00b204e9800998ecf8427e') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 384 | |
| 385 | def test_case_md5_1(self): |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 386 | self.check('md5', b'abc', '900150983cd24fb0d6963f7d28e17f72') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 387 | |
| 388 | def test_case_md5_2(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 389 | self.check('md5', |
| 390 | b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 391 | 'd174ab98d277d9f5a5611c2c9f419d9f') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 392 | |
Serhiy Storchaka | 4847e4e | 2014-01-10 13:37:54 +0200 | [diff] [blame] | 393 | @unittest.skipIf(sys.maxsize < _4G + 5, 'test cannot run on 32-bit systems') |
| 394 | @bigmemtest(size=_4G + 5, memuse=1, dry_run=False) |
Benjamin Peterson | 78cb491 | 2008-09-24 22:53:33 +0000 | [diff] [blame] | 395 | def test_case_md5_huge(self, size): |
Serhiy Storchaka | 4847e4e | 2014-01-10 13:37:54 +0200 | [diff] [blame] | 396 | self.check('md5', b'A'*size, 'c9af2dff37468ce5dfee8f2cfc0a9c6d') |
Benjamin Peterson | 78cb491 | 2008-09-24 22:53:33 +0000 | [diff] [blame] | 397 | |
Serhiy Storchaka | 4847e4e | 2014-01-10 13:37:54 +0200 | [diff] [blame] | 398 | @unittest.skipIf(sys.maxsize < _4G - 1, 'test cannot run on 32-bit systems') |
| 399 | @bigmemtest(size=_4G - 1, memuse=1, dry_run=False) |
Benjamin Peterson | 78cb491 | 2008-09-24 22:53:33 +0000 | [diff] [blame] | 400 | def test_case_md5_uintmax(self, size): |
Serhiy Storchaka | 4847e4e | 2014-01-10 13:37:54 +0200 | [diff] [blame] | 401 | self.check('md5', b'A'*size, '28138d306ff1b8281f1a9067e1a1a2b3') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 402 | |
| 403 | # use the three examples from Federal Information Processing Standards |
| 404 | # Publication 180-1, Secure Hash Standard, 1995 April 17 |
| 405 | # http://www.itl.nist.gov/div897/pubs/fip180-1.htm |
| 406 | |
| 407 | def test_case_sha1_0(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 408 | self.check('sha1', b"", |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 409 | "da39a3ee5e6b4b0d3255bfef95601890afd80709") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 410 | |
| 411 | def test_case_sha1_1(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 412 | self.check('sha1', b"abc", |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 413 | "a9993e364706816aba3e25717850c26c9cd0d89d") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 414 | |
| 415 | def test_case_sha1_2(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 416 | self.check('sha1', |
| 417 | b"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 418 | "84983e441c3bd26ebaae4aa1f95129e5e54670f1") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 419 | |
| 420 | def test_case_sha1_3(self): |
Guido van Rossum | 5ed033b | 2007-07-09 14:29:40 +0000 | [diff] [blame] | 421 | self.check('sha1', b"a" * 1000000, |
Guido van Rossum | 558ca84 | 2007-07-10 20:31:05 +0000 | [diff] [blame] | 422 | "34aa973cd4c4daa4f61eeb2bdbad27316534016f") |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 423 | |
| 424 | |
| 425 | # use the examples from Federal Information Processing Standards |
| 426 | # Publication 180-2, Secure Hash Standard, 2002 August 1 |
| 427 | # http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf |
| 428 | |
| 429 | def test_case_sha224_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 430 | self.check('sha224', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 431 | "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f") |
| 432 | |
| 433 | def test_case_sha224_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 434 | self.check('sha224', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 435 | "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7") |
| 436 | |
| 437 | def test_case_sha224_2(self): |
| 438 | self.check('sha224', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 439 | b"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 440 | "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525") |
| 441 | |
| 442 | def test_case_sha224_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 443 | self.check('sha224', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 444 | "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67") |
| 445 | |
| 446 | |
| 447 | def test_case_sha256_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 448 | self.check('sha256', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 449 | "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855") |
| 450 | |
| 451 | def test_case_sha256_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 452 | self.check('sha256', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 453 | "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad") |
| 454 | |
| 455 | def test_case_sha256_2(self): |
| 456 | self.check('sha256', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 457 | b"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 458 | "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1") |
| 459 | |
| 460 | def test_case_sha256_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 461 | self.check('sha256', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 462 | "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0") |
| 463 | |
| 464 | |
| 465 | def test_case_sha384_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 466 | self.check('sha384', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 467 | "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da"+ |
| 468 | "274edebfe76f65fbd51ad2f14898b95b") |
| 469 | |
| 470 | def test_case_sha384_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 471 | self.check('sha384', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 472 | "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"+ |
| 473 | "8086072ba1e7cc2358baeca134c825a7") |
| 474 | |
| 475 | def test_case_sha384_2(self): |
| 476 | self.check('sha384', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 477 | b"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"+ |
| 478 | b"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 479 | "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"+ |
| 480 | "fcc7c71a557e2db966c3e9fa91746039") |
| 481 | |
| 482 | def test_case_sha384_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 483 | self.check('sha384', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 484 | "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"+ |
| 485 | "07b8b3dc38ecc4ebae97ddd87f3d8985") |
| 486 | |
| 487 | |
| 488 | def test_case_sha512_0(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 489 | self.check('sha512', b"", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 490 | "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce"+ |
| 491 | "47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e") |
| 492 | |
| 493 | def test_case_sha512_1(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 494 | self.check('sha512', b"abc", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 495 | "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"+ |
| 496 | "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f") |
| 497 | |
| 498 | def test_case_sha512_2(self): |
| 499 | self.check('sha512', |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 500 | b"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"+ |
| 501 | b"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 502 | "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"+ |
| 503 | "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909") |
| 504 | |
| 505 | def test_case_sha512_3(self): |
Guido van Rossum | e22905a | 2007-08-27 23:09:25 +0000 | [diff] [blame] | 506 | self.check('sha512', b"a" * 1000000, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 507 | "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"+ |
| 508 | "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b") |
| 509 | |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 510 | def check_blake2(self, constructor, salt_size, person_size, key_size, |
| 511 | digest_size, max_offset): |
| 512 | self.assertEqual(constructor.SALT_SIZE, salt_size) |
| 513 | for i in range(salt_size + 1): |
| 514 | constructor(salt=b'a' * i) |
| 515 | salt = b'a' * (salt_size + 1) |
| 516 | self.assertRaises(ValueError, constructor, salt=salt) |
| 517 | |
| 518 | self.assertEqual(constructor.PERSON_SIZE, person_size) |
| 519 | for i in range(person_size+1): |
| 520 | constructor(person=b'a' * i) |
| 521 | person = b'a' * (person_size + 1) |
| 522 | self.assertRaises(ValueError, constructor, person=person) |
| 523 | |
| 524 | self.assertEqual(constructor.MAX_DIGEST_SIZE, digest_size) |
| 525 | for i in range(1, digest_size + 1): |
| 526 | constructor(digest_size=i) |
| 527 | self.assertRaises(ValueError, constructor, digest_size=-1) |
| 528 | self.assertRaises(ValueError, constructor, digest_size=0) |
| 529 | self.assertRaises(ValueError, constructor, digest_size=digest_size+1) |
| 530 | |
| 531 | self.assertEqual(constructor.MAX_KEY_SIZE, key_size) |
| 532 | for i in range(key_size+1): |
| 533 | constructor(key=b'a' * i) |
| 534 | key = b'a' * (key_size + 1) |
| 535 | self.assertRaises(ValueError, constructor, key=key) |
| 536 | self.assertEqual(constructor().hexdigest(), |
| 537 | constructor(key=b'').hexdigest()) |
| 538 | |
| 539 | for i in range(0, 256): |
| 540 | constructor(fanout=i) |
| 541 | self.assertRaises(ValueError, constructor, fanout=-1) |
| 542 | self.assertRaises(ValueError, constructor, fanout=256) |
| 543 | |
| 544 | for i in range(1, 256): |
| 545 | constructor(depth=i) |
| 546 | self.assertRaises(ValueError, constructor, depth=-1) |
| 547 | self.assertRaises(ValueError, constructor, depth=0) |
| 548 | self.assertRaises(ValueError, constructor, depth=256) |
| 549 | |
| 550 | for i in range(0, 256): |
| 551 | constructor(node_depth=i) |
| 552 | self.assertRaises(ValueError, constructor, node_depth=-1) |
| 553 | self.assertRaises(ValueError, constructor, node_depth=256) |
| 554 | |
| 555 | for i in range(0, digest_size + 1): |
| 556 | constructor(inner_size=i) |
| 557 | self.assertRaises(ValueError, constructor, inner_size=-1) |
| 558 | self.assertRaises(ValueError, constructor, inner_size=digest_size+1) |
| 559 | |
| 560 | constructor(leaf_size=0) |
| 561 | constructor(leaf_size=(1<<32)-1) |
| 562 | self.assertRaises(OverflowError, constructor, leaf_size=-1) |
| 563 | self.assertRaises(OverflowError, constructor, leaf_size=1<<32) |
| 564 | |
| 565 | constructor(node_offset=0) |
| 566 | constructor(node_offset=max_offset) |
| 567 | self.assertRaises(OverflowError, constructor, node_offset=-1) |
| 568 | self.assertRaises(OverflowError, constructor, node_offset=max_offset+1) |
| 569 | |
| 570 | constructor( |
| 571 | string=b'', |
| 572 | key=b'', |
| 573 | salt=b'', |
| 574 | person=b'', |
| 575 | digest_size=17, |
| 576 | fanout=1, |
| 577 | depth=1, |
| 578 | leaf_size=256, |
| 579 | node_offset=512, |
| 580 | node_depth=1, |
| 581 | inner_size=7, |
| 582 | last_node=True |
| 583 | ) |
| 584 | |
| 585 | def blake2_rfc7693(self, constructor, md_len, in_len): |
| 586 | def selftest_seq(length, seed): |
| 587 | mask = (1<<32)-1 |
| 588 | a = (0xDEAD4BAD * seed) & mask |
| 589 | b = 1 |
| 590 | out = bytearray(length) |
| 591 | for i in range(length): |
| 592 | t = (a + b) & mask |
| 593 | a, b = b, t |
| 594 | out[i] = (t >> 24) & 0xFF |
| 595 | return out |
| 596 | outer = constructor(digest_size=32) |
| 597 | for outlen in md_len: |
| 598 | for inlen in in_len: |
| 599 | indata = selftest_seq(inlen, inlen) |
| 600 | key = selftest_seq(outlen, outlen) |
| 601 | unkeyed = constructor(indata, digest_size=outlen) |
| 602 | outer.update(unkeyed.digest()) |
| 603 | keyed = constructor(indata, key=key, digest_size=outlen) |
| 604 | outer.update(keyed.digest()) |
| 605 | return outer.hexdigest() |
| 606 | |
| 607 | @requires_blake2 |
| 608 | def test_blake2b(self): |
| 609 | self.check_blake2(hashlib.blake2b, 16, 16, 64, 64, (1<<64)-1) |
| 610 | b2b_md_len = [20, 32, 48, 64] |
| 611 | b2b_in_len = [0, 3, 128, 129, 255, 1024] |
| 612 | self.assertEqual( |
| 613 | self.blake2_rfc7693(hashlib.blake2b, b2b_md_len, b2b_in_len), |
| 614 | "c23a7800d98123bd10f506c61e29da5603d763b8bbad2e737f5e765a7bccd475") |
| 615 | |
| 616 | @requires_blake2 |
| 617 | def test_case_blake2b_0(self): |
| 618 | self.check('blake2b', b"", |
| 619 | "786a02f742015903c6c6fd852552d272912f4740e15847618a86e217f71f5419"+ |
| 620 | "d25e1031afee585313896444934eb04b903a685b1448b755d56f701afe9be2ce") |
| 621 | |
| 622 | @requires_blake2 |
| 623 | def test_case_blake2b_1(self): |
| 624 | self.check('blake2b', b"abc", |
| 625 | "ba80a53f981c4d0d6a2797b69f12f6e94c212f14685ac4b74b12bb6fdbffa2d1"+ |
| 626 | "7d87c5392aab792dc252d5de4533cc9518d38aa8dbf1925ab92386edd4009923") |
| 627 | |
| 628 | @requires_blake2 |
Jack O'Connor | dcfb0e3 | 2017-11-03 15:02:41 -0400 | [diff] [blame] | 629 | def test_case_blake2b_all_parameters(self): |
| 630 | # This checks that all the parameters work in general, and also that |
| 631 | # parameter byte order doesn't get confused on big endian platforms. |
| 632 | self.check('blake2b', b"foo", |
| 633 | "920568b0c5873b2f0ab67bedb6cf1b2b", |
| 634 | digest_size=16, |
| 635 | key=b"bar", |
| 636 | salt=b"baz", |
| 637 | person=b"bing", |
| 638 | fanout=2, |
| 639 | depth=3, |
| 640 | leaf_size=4, |
| 641 | node_offset=5, |
| 642 | node_depth=6, |
| 643 | inner_size=7, |
| 644 | last_node=True) |
| 645 | |
| 646 | @requires_blake2 |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 647 | def test_blake2b_vectors(self): |
| 648 | for msg, key, md in read_vectors('blake2b'): |
| 649 | key = bytes.fromhex(key) |
| 650 | self.check('blake2b', msg, md, key=key) |
| 651 | |
| 652 | @requires_blake2 |
| 653 | def test_blake2s(self): |
| 654 | self.check_blake2(hashlib.blake2s, 8, 8, 32, 32, (1<<48)-1) |
| 655 | b2s_md_len = [16, 20, 28, 32] |
| 656 | b2s_in_len = [0, 3, 64, 65, 255, 1024] |
| 657 | self.assertEqual( |
| 658 | self.blake2_rfc7693(hashlib.blake2s, b2s_md_len, b2s_in_len), |
| 659 | "6a411f08ce25adcdfb02aba641451cec53c598b24f4fc787fbdc88797f4c1dfe") |
| 660 | |
| 661 | @requires_blake2 |
| 662 | def test_case_blake2s_0(self): |
| 663 | self.check('blake2s', b"", |
| 664 | "69217a3079908094e11121d042354a7c1f55b6482ca1a51e1b250dfd1ed0eef9") |
| 665 | |
| 666 | @requires_blake2 |
| 667 | def test_case_blake2s_1(self): |
| 668 | self.check('blake2s', b"abc", |
| 669 | "508c5e8c327c14e2e1a72ba34eeb452f37458b209ed63a294d999b4c86675982") |
| 670 | |
| 671 | @requires_blake2 |
Jack O'Connor | dcfb0e3 | 2017-11-03 15:02:41 -0400 | [diff] [blame] | 672 | def test_case_blake2s_all_parameters(self): |
| 673 | # This checks that all the parameters work in general, and also that |
| 674 | # parameter byte order doesn't get confused on big endian platforms. |
| 675 | self.check('blake2s', b"foo", |
| 676 | "bf2a8f7fe3c555012a6f8046e646bc75", |
| 677 | digest_size=16, |
| 678 | key=b"bar", |
| 679 | salt=b"baz", |
| 680 | person=b"bing", |
| 681 | fanout=2, |
| 682 | depth=3, |
| 683 | leaf_size=4, |
| 684 | node_offset=5, |
| 685 | node_depth=6, |
| 686 | inner_size=7, |
| 687 | last_node=True) |
| 688 | |
| 689 | @requires_blake2 |
Christian Heimes | 121b948 | 2016-09-06 22:03:25 +0200 | [diff] [blame] | 690 | def test_blake2s_vectors(self): |
| 691 | for msg, key, md in read_vectors('blake2s'): |
| 692 | key = bytes.fromhex(key) |
| 693 | self.check('blake2s', msg, md, key=key) |
| 694 | |
Christian Heimes | 6fe2a75 | 2016-09-07 11:58:24 +0200 | [diff] [blame] | 695 | @requires_sha3 |
| 696 | def test_case_sha3_224_0(self): |
| 697 | self.check('sha3_224', b"", |
| 698 | "6b4e03423667dbb73b6e15454f0eb1abd4597f9a1b078e3f5b5a6bc7") |
| 699 | |
| 700 | @requires_sha3 |
| 701 | def test_case_sha3_224_vector(self): |
| 702 | for msg, md in read_vectors('sha3_224'): |
| 703 | self.check('sha3_224', msg, md) |
| 704 | |
| 705 | @requires_sha3 |
| 706 | def test_case_sha3_256_0(self): |
| 707 | self.check('sha3_256', b"", |
| 708 | "a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a") |
| 709 | |
| 710 | @requires_sha3 |
| 711 | def test_case_sha3_256_vector(self): |
| 712 | for msg, md in read_vectors('sha3_256'): |
| 713 | self.check('sha3_256', msg, md) |
| 714 | |
| 715 | @requires_sha3 |
| 716 | def test_case_sha3_384_0(self): |
| 717 | self.check('sha3_384', b"", |
| 718 | "0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2a"+ |
| 719 | "c3713831264adb47fb6bd1e058d5f004") |
| 720 | |
| 721 | @requires_sha3 |
| 722 | def test_case_sha3_384_vector(self): |
| 723 | for msg, md in read_vectors('sha3_384'): |
| 724 | self.check('sha3_384', msg, md) |
| 725 | |
| 726 | @requires_sha3 |
| 727 | def test_case_sha3_512_0(self): |
| 728 | self.check('sha3_512', b"", |
| 729 | "a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a6"+ |
| 730 | "15b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26") |
| 731 | |
| 732 | @requires_sha3 |
| 733 | def test_case_sha3_512_vector(self): |
| 734 | for msg, md in read_vectors('sha3_512'): |
| 735 | self.check('sha3_512', msg, md) |
| 736 | |
| 737 | @requires_sha3 |
| 738 | def test_case_shake_128_0(self): |
| 739 | self.check('shake_128', b"", |
| 740 | "7f9c2ba4e88f827d616045507605853ed73b8093f6efbc88eb1a6eacfa66ef26", |
| 741 | True) |
| 742 | self.check('shake_128', b"", "7f9c", True) |
| 743 | |
| 744 | @requires_sha3 |
| 745 | def test_case_shake128_vector(self): |
| 746 | for msg, md in read_vectors('shake_128'): |
| 747 | self.check('shake_128', msg, md, True) |
| 748 | |
| 749 | @requires_sha3 |
| 750 | def test_case_shake_256_0(self): |
| 751 | self.check('shake_256', b"", |
| 752 | "46b9dd2b0ba88d13233b3feb743eeb243fcd52ea62b81b82b50c27646ed5762f", |
| 753 | True) |
| 754 | self.check('shake_256', b"", "46b9", True) |
| 755 | |
| 756 | @requires_sha3 |
| 757 | def test_case_shake256_vector(self): |
| 758 | for msg, md in read_vectors('shake_256'): |
| 759 | self.check('shake_256', msg, md, True) |
| 760 | |
Antoine Pitrou | bcd5cbe | 2009-01-08 21:17:16 +0000 | [diff] [blame] | 761 | def test_gil(self): |
| 762 | # Check things work fine with an input larger than the size required |
| 763 | # for multithreaded operation (which is hardwired to 2048). |
| 764 | gil_minsize = 2048 |
| 765 | |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 766 | for cons in self.hash_constructors: |
| 767 | m = cons() |
Christian Heimes | 4a0270d | 2012-10-06 02:23:36 +0200 | [diff] [blame] | 768 | m.update(b'1') |
| 769 | m.update(b'#' * gil_minsize) |
| 770 | m.update(b'1') |
| 771 | |
Christian Heimes | 65aa573 | 2013-07-30 15:33:30 +0200 | [diff] [blame] | 772 | m = cons(b'x' * gil_minsize) |
Christian Heimes | 4a0270d | 2012-10-06 02:23:36 +0200 | [diff] [blame] | 773 | m.update(b'1') |
| 774 | |
Antoine Pitrou | bcd5cbe | 2009-01-08 21:17:16 +0000 | [diff] [blame] | 775 | m = hashlib.md5() |
| 776 | m.update(b'1') |
| 777 | m.update(b'#' * gil_minsize) |
| 778 | m.update(b'1') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 779 | self.assertEqual(m.hexdigest(), 'cb1e1a2cbc80be75e19935d621fb9b21') |
Antoine Pitrou | bcd5cbe | 2009-01-08 21:17:16 +0000 | [diff] [blame] | 780 | |
| 781 | m = hashlib.md5(b'x' * gil_minsize) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 782 | self.assertEqual(m.hexdigest(), 'cfb767f225d58469c5de3632a8803958') |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 783 | |
Victor Stinner | 45df820 | 2010-04-28 22:31:17 +0000 | [diff] [blame] | 784 | @support.reap_threads |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 785 | def test_threaded_hashing(self): |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 786 | # Updating the same hash object from several threads at once |
| 787 | # using data chunk sizes containing the same byte sequences. |
| 788 | # |
| 789 | # If the internal locks are working to prevent multiple |
| 790 | # updates on the same object from running at once, the resulting |
| 791 | # hash will be the same as doing it single threaded upfront. |
| 792 | hasher = hashlib.sha1() |
| 793 | num_threads = 5 |
| 794 | smallest_data = b'swineflu' |
Victor Stinner | 8dcf22f | 2017-09-14 08:43:22 -0700 | [diff] [blame] | 795 | data = smallest_data * 200000 |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 796 | expected_hash = hashlib.sha1(data*num_threads).hexdigest() |
| 797 | |
Victor Stinner | 8dcf22f | 2017-09-14 08:43:22 -0700 | [diff] [blame] | 798 | def hash_in_chunks(chunk_size): |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 799 | index = 0 |
| 800 | while index < len(data): |
Victor Stinner | 8dcf22f | 2017-09-14 08:43:22 -0700 | [diff] [blame] | 801 | hasher.update(data[index:index + chunk_size]) |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 802 | index += chunk_size |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 803 | |
Victor Stinner | 8dcf22f | 2017-09-14 08:43:22 -0700 | [diff] [blame] | 804 | threads = [] |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 805 | for threadnum in range(num_threads): |
Victor Stinner | 8dcf22f | 2017-09-14 08:43:22 -0700 | [diff] [blame] | 806 | chunk_size = len(data) // (10 ** threadnum) |
Gregory P. Smith | 914061a | 2013-08-05 13:14:37 -0700 | [diff] [blame] | 807 | self.assertGreater(chunk_size, 0) |
| 808 | self.assertEqual(chunk_size % len(smallest_data), 0) |
Victor Stinner | 8dcf22f | 2017-09-14 08:43:22 -0700 | [diff] [blame] | 809 | thread = threading.Thread(target=hash_in_chunks, |
| 810 | args=(chunk_size,)) |
| 811 | threads.append(thread) |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 812 | |
Victor Stinner | 8dcf22f | 2017-09-14 08:43:22 -0700 | [diff] [blame] | 813 | for thread in threads: |
| 814 | thread.start() |
| 815 | for thread in threads: |
| 816 | thread.join() |
Gregory P. Smith | 3f61d61 | 2009-05-04 00:45:33 +0000 | [diff] [blame] | 817 | |
| 818 | self.assertEqual(expected_hash, hasher.hexdigest()) |
| 819 | |
Christian Heimes | 3626a50 | 2013-10-19 14:12:02 +0200 | [diff] [blame] | 820 | |
Christian Heimes | 0fbd94c | 2013-10-19 19:40:49 +0200 | [diff] [blame] | 821 | class KDFTests(unittest.TestCase): |
Christian Heimes | 3626a50 | 2013-10-19 14:12:02 +0200 | [diff] [blame] | 822 | |
Christian Heimes | e92ef13 | 2013-10-13 00:52:43 +0200 | [diff] [blame] | 823 | pbkdf2_test_vectors = [ |
| 824 | (b'password', b'salt', 1, None), |
| 825 | (b'password', b'salt', 2, None), |
| 826 | (b'password', b'salt', 4096, None), |
| 827 | # too slow, it takes over a minute on a fast CPU. |
| 828 | #(b'password', b'salt', 16777216, None), |
| 829 | (b'passwordPASSWORDpassword', b'saltSALTsaltSALTsaltSALTsaltSALTsalt', |
| 830 | 4096, -1), |
| 831 | (b'pass\0word', b'sa\0lt', 4096, 16), |
| 832 | ] |
| 833 | |
Christian Heimes | 39093e9 | 2016-09-06 20:22:28 +0200 | [diff] [blame] | 834 | scrypt_test_vectors = [ |
| 835 | (b'', b'', 16, 1, 1, unhexlify('77d6576238657b203b19ca42c18a0497f16b4844e3074ae8dfdffa3fede21442fcd0069ded0948f8326a753a0fc81f17e8d3e0fb2e0d3628cf35e20c38d18906')), |
| 836 | (b'password', b'NaCl', 1024, 8, 16, unhexlify('fdbabe1c9d3472007856e7190d01e9fe7c6ad7cbc8237830e77376634b3731622eaf30d92e22a3886ff109279d9830dac727afb94a83ee6d8360cbdfa2cc0640')), |
| 837 | (b'pleaseletmein', b'SodiumChloride', 16384, 8, 1, unhexlify('7023bdcb3afd7348461c06cd81fd38ebfda8fbba904f8e3ea9b543f6545da1f2d5432955613f0fcf62d49705242a9af9e61e85dc0d651e40dfcf017b45575887')), |
| 838 | ] |
| 839 | |
Christian Heimes | e92ef13 | 2013-10-13 00:52:43 +0200 | [diff] [blame] | 840 | pbkdf2_results = { |
| 841 | "sha1": [ |
Martin Panter | 46f5072 | 2016-05-26 05:35:26 +0000 | [diff] [blame] | 842 | # official test vectors from RFC 6070 |
Christian Heimes | e92ef13 | 2013-10-13 00:52:43 +0200 | [diff] [blame] | 843 | (bytes.fromhex('0c60c80f961f0e71f3a9b524af6012062fe037a6'), None), |
| 844 | (bytes.fromhex('ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957'), None), |
| 845 | (bytes.fromhex('4b007901b765489abead49d926f721d065a429c1'), None), |
| 846 | #(bytes.fromhex('eefe3d61cd4da4e4e9945b3d6ba2158c2634e984'), None), |
| 847 | (bytes.fromhex('3d2eec4fe41c849b80c8d83662c0e44a8b291a964c' |
| 848 | 'f2f07038'), 25), |
| 849 | (bytes.fromhex('56fa6aa75548099dcc37d7f03425e0c3'), None),], |
| 850 | "sha256": [ |
| 851 | (bytes.fromhex('120fb6cffcf8b32c43e7225256c4f837' |
| 852 | 'a86548c92ccc35480805987cb70be17b'), None), |
| 853 | (bytes.fromhex('ae4d0c95af6b46d32d0adff928f06dd0' |
| 854 | '2a303f8ef3c251dfd6e2d85a95474c43'), None), |
| 855 | (bytes.fromhex('c5e478d59288c841aa530db6845c4c8d' |
| 856 | '962893a001ce4e11a4963873aa98134a'), None), |
| 857 | #(bytes.fromhex('cf81c66fe8cfc04d1f31ecb65dab4089' |
| 858 | # 'f7f179e89b3b0bcb17ad10e3ac6eba46'), None), |
| 859 | (bytes.fromhex('348c89dbcbd32b2f32d814b8116e84cf2b17' |
| 860 | '347ebc1800181c4e2a1fb8dd53e1c635518c7dac47e9'), 40), |
| 861 | (bytes.fromhex('89b69d0516f829893c696226650a8687'), None),], |
| 862 | "sha512": [ |
| 863 | (bytes.fromhex('867f70cf1ade02cff3752599a3a53dc4af34c7a669815ae5' |
| 864 | 'd513554e1c8cf252c02d470a285a0501bad999bfe943c08f' |
| 865 | '050235d7d68b1da55e63f73b60a57fce'), None), |
| 866 | (bytes.fromhex('e1d9c16aa681708a45f5c7c4e215ceb66e011a2e9f004071' |
| 867 | '3f18aefdb866d53cf76cab2868a39b9f7840edce4fef5a82' |
| 868 | 'be67335c77a6068e04112754f27ccf4e'), None), |
| 869 | (bytes.fromhex('d197b1b33db0143e018b12f3d1d1479e6cdebdcc97c5c0f8' |
| 870 | '7f6902e072f457b5143f30602641b3d55cd335988cb36b84' |
| 871 | '376060ecd532e039b742a239434af2d5'), None), |
| 872 | (bytes.fromhex('8c0511f4c6e597c6ac6315d8f0362e225f3c501495ba23b8' |
| 873 | '68c005174dc4ee71115b59f9e60cd9532fa33e0f75aefe30' |
| 874 | '225c583a186cd82bd4daea9724a3d3b8'), 64), |
| 875 | (bytes.fromhex('9d9e9c4cd21fe4be24d5b8244c759665'), None),], |
| 876 | } |
| 877 | |
Christian Heimes | 0fbd94c | 2013-10-19 19:40:49 +0200 | [diff] [blame] | 878 | def _test_pbkdf2_hmac(self, pbkdf2): |
Christian Heimes | e92ef13 | 2013-10-13 00:52:43 +0200 | [diff] [blame] | 879 | for digest_name, results in self.pbkdf2_results.items(): |
| 880 | for i, vector in enumerate(self.pbkdf2_test_vectors): |
| 881 | password, salt, rounds, dklen = vector |
| 882 | expected, overwrite_dklen = results[i] |
| 883 | if overwrite_dklen: |
| 884 | dklen = overwrite_dklen |
| 885 | out = pbkdf2(digest_name, password, salt, rounds, dklen) |
| 886 | self.assertEqual(out, expected, |
| 887 | (digest_name, password, salt, rounds, dklen)) |
| 888 | out = pbkdf2(digest_name, memoryview(password), |
| 889 | memoryview(salt), rounds, dklen) |
| 890 | out = pbkdf2(digest_name, bytearray(password), |
| 891 | bytearray(salt), rounds, dklen) |
| 892 | self.assertEqual(out, expected) |
| 893 | if dklen is None: |
| 894 | out = pbkdf2(digest_name, password, salt, rounds) |
| 895 | self.assertEqual(out, expected, |
| 896 | (digest_name, password, salt, rounds)) |
| 897 | |
| 898 | self.assertRaises(TypeError, pbkdf2, b'sha1', b'pass', b'salt', 1) |
| 899 | self.assertRaises(TypeError, pbkdf2, 'sha1', 'pass', 'salt', 1) |
| 900 | self.assertRaises(ValueError, pbkdf2, 'sha1', b'pass', b'salt', 0) |
| 901 | self.assertRaises(ValueError, pbkdf2, 'sha1', b'pass', b'salt', -1) |
| 902 | self.assertRaises(ValueError, pbkdf2, 'sha1', b'pass', b'salt', 1, 0) |
| 903 | self.assertRaises(ValueError, pbkdf2, 'sha1', b'pass', b'salt', 1, -1) |
| 904 | with self.assertRaisesRegex(ValueError, 'unsupported hash type'): |
| 905 | pbkdf2('unknown', b'pass', b'salt', 1) |
Martin Panter | bc85e35 | 2016-02-22 09:21:49 +0000 | [diff] [blame] | 906 | out = pbkdf2(hash_name='sha1', password=b'password', salt=b'salt', |
| 907 | iterations=1, dklen=None) |
| 908 | self.assertEqual(out, self.pbkdf2_results['sha1'][0][0]) |
Christian Heimes | e92ef13 | 2013-10-13 00:52:43 +0200 | [diff] [blame] | 909 | |
Christian Heimes | 0fbd94c | 2013-10-19 19:40:49 +0200 | [diff] [blame] | 910 | def test_pbkdf2_hmac_py(self): |
| 911 | self._test_pbkdf2_hmac(py_hashlib.pbkdf2_hmac) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 912 | |
Christian Heimes | 0fbd94c | 2013-10-19 19:40:49 +0200 | [diff] [blame] | 913 | @unittest.skipUnless(hasattr(c_hashlib, 'pbkdf2_hmac'), |
| 914 | ' test requires OpenSSL > 1.0') |
| 915 | def test_pbkdf2_hmac_c(self): |
| 916 | self._test_pbkdf2_hmac(c_hashlib.pbkdf2_hmac) |
Christian Heimes | 3626a50 | 2013-10-19 14:12:02 +0200 | [diff] [blame] | 917 | |
| 918 | |
Christian Heimes | 39093e9 | 2016-09-06 20:22:28 +0200 | [diff] [blame] | 919 | @unittest.skipUnless(hasattr(c_hashlib, 'scrypt'), |
| 920 | ' test requires OpenSSL > 1.1') |
| 921 | def test_scrypt(self): |
| 922 | for password, salt, n, r, p, expected in self.scrypt_test_vectors: |
| 923 | result = hashlib.scrypt(password, salt=salt, n=n, r=r, p=p) |
| 924 | self.assertEqual(result, expected) |
| 925 | |
| 926 | # this values should work |
| 927 | hashlib.scrypt(b'password', salt=b'salt', n=2, r=8, p=1) |
| 928 | # password and salt must be bytes-like |
| 929 | with self.assertRaises(TypeError): |
| 930 | hashlib.scrypt('password', salt=b'salt', n=2, r=8, p=1) |
| 931 | with self.assertRaises(TypeError): |
| 932 | hashlib.scrypt(b'password', salt='salt', n=2, r=8, p=1) |
| 933 | # require keyword args |
| 934 | with self.assertRaises(TypeError): |
| 935 | hashlib.scrypt(b'password') |
| 936 | with self.assertRaises(TypeError): |
| 937 | hashlib.scrypt(b'password', b'salt') |
| 938 | with self.assertRaises(TypeError): |
| 939 | hashlib.scrypt(b'password', 2, 8, 1, salt=b'salt') |
| 940 | for n in [-1, 0, 1, None]: |
| 941 | with self.assertRaises((ValueError, OverflowError, TypeError)): |
| 942 | hashlib.scrypt(b'password', salt=b'salt', n=n, r=8, p=1) |
| 943 | for r in [-1, 0, None]: |
| 944 | with self.assertRaises((ValueError, OverflowError, TypeError)): |
| 945 | hashlib.scrypt(b'password', salt=b'salt', n=2, r=r, p=1) |
| 946 | for p in [-1, 0, None]: |
| 947 | with self.assertRaises((ValueError, OverflowError, TypeError)): |
| 948 | hashlib.scrypt(b'password', salt=b'salt', n=2, r=8, p=p) |
| 949 | for maxmem in [-1, None]: |
| 950 | with self.assertRaises((ValueError, OverflowError, TypeError)): |
| 951 | hashlib.scrypt(b'password', salt=b'salt', n=2, r=8, p=1, |
| 952 | maxmem=maxmem) |
| 953 | for dklen in [-1, None]: |
| 954 | with self.assertRaises((ValueError, OverflowError, TypeError)): |
| 955 | hashlib.scrypt(b'password', salt=b'salt', n=2, r=8, p=1, |
| 956 | dklen=dklen) |
| 957 | |
| 958 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 959 | if __name__ == "__main__": |
Brett Cannon | 3e9a9ae | 2013-06-12 21:25:59 -0400 | [diff] [blame] | 960 | unittest.main() |