111 lines
4.3 KiB
Python
111 lines
4.3 KiB
Python
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import hashlib
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import hmac
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from oslotest import base as test_base
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import testscenarios
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from oslo_utils import secretutils
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class SecretUtilsTest(testscenarios.TestWithScenarios,
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test_base.BaseTestCase):
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_gen_digest = lambda text: hmac.new(b'foo', text.encode('utf-8'),
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digestmod=hashlib.sha1).digest()
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scenarios = [
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('binary', {'converter': _gen_digest}),
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('unicode', {'converter': lambda text: text}),
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]
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def test_constant_time_compare(self):
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# make sure it works as a compare, the "constant time" aspect
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# isn't appropriate to test in unittests
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# Make sure the unittests are applied to our function instead of
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# the built-in function, otherwise that is in vain.
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ctc = secretutils._constant_time_compare
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self.assertTrue(ctc(self.converter('abcd'),
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self.converter('abcd')))
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self.assertTrue(ctc(self.converter(''),
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self.converter('')))
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self.assertTrue(ctc('abcd', 'abcd'))
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self.assertFalse(ctc(self.converter('abcd'),
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self.converter('efgh')))
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self.assertFalse(ctc(self.converter('abc'),
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self.converter('abcd')))
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self.assertFalse(ctc(self.converter('abc'),
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self.converter('abc\x00')))
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self.assertFalse(ctc(self.converter(''),
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self.converter('abc')))
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self.assertTrue(ctc(self.converter('abcd1234'),
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self.converter('abcd1234')))
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self.assertFalse(ctc(self.converter('abcd1234'),
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self.converter('ABCD234')))
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self.assertFalse(ctc(self.converter('abcd1234'),
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self.converter('a')))
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self.assertFalse(ctc(self.converter('abcd1234'),
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self.converter('1234abcd')))
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self.assertFalse(ctc('abcd1234', '1234abcd'))
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_test_data = "Openstack forever".encode('utf-8')
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_md5_digest = hashlib.md5(_test_data).digest()
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def test_md5_with_data(self):
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digest = secretutils.md5(self._test_data).digest()
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self.assertEqual(digest, self._md5_digest)
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digest = secretutils.md5(self._test_data,
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usedforsecurity=True).digest()
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self.assertEqual(digest, self._md5_digest)
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digest = secretutils.md5(self._test_data,
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usedforsecurity=False).digest()
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self.assertEqual(digest, self._md5_digest)
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def test_md5_without_data(self):
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md5 = secretutils.md5()
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md5.update(self._test_data)
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digest = md5.digest()
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self.assertEqual(digest, self._md5_digest)
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md5 = secretutils.md5(usedforsecurity=True)
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md5.update(self._test_data)
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digest = md5.digest()
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self.assertEqual(digest, self._md5_digest)
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md5 = secretutils.md5(usedforsecurity=False)
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md5.update(self._test_data)
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digest = md5.digest()
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self.assertEqual(digest, self._md5_digest)
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def test_string_data_raises_type_error(self):
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self.assertRaises(TypeError, hashlib.md5, 'foo')
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self.assertRaises(TypeError, secretutils.md5, 'foo')
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self.assertRaises(
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TypeError, secretutils.md5, 'foo', usedforsecurity=True)
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self.assertRaises(
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TypeError, secretutils.md5, 'foo', usedforsecurity=False)
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def test_none_data_raises_type_error(self):
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self.assertRaises(TypeError, hashlib.md5, None)
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self.assertRaises(TypeError, secretutils.md5, None)
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self.assertRaises(
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TypeError, secretutils.md5, None, usedforsecurity=True)
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self.assertRaises(
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TypeError, secretutils.md5, None, usedforsecurity=False)
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