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31 lines
957 B
31 lines
957 B
# This file is dual licensed under the terms of the Apache License, Version
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# 2.0, and the BSD License. See the LICENSE file in the root of this repository
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# for complete details.
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from __future__ import absolute_import, division, print_function
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import pytest
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from cryptography.hazmat.primitives import constant_time
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class TestConstantTimeBytesEq(object):
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def test_reject_unicode(self):
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with pytest.raises(TypeError):
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constant_time.bytes_eq(b"foo", u"foo")
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with pytest.raises(TypeError):
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constant_time.bytes_eq(u"foo", b"foo")
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with pytest.raises(TypeError):
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constant_time.bytes_eq(u"foo", u"foo")
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def test_compares(self):
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assert constant_time.bytes_eq(b"foo", b"foo") is True
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assert constant_time.bytes_eq(b"foo", b"bar") is False
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assert constant_time.bytes_eq(b"foobar", b"foo") is False
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assert constant_time.bytes_eq(b"foo", b"foobar") is False
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