Merge "Adding a check of string type for hmacs"
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c0193b7a46
@ -20,6 +20,8 @@ Secret utilities.
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import hmac
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import hmac
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import six
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try:
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try:
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constant_time_compare = hmac.compare_digest
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constant_time_compare = hmac.compare_digest
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@ -33,6 +35,10 @@ except AttributeError:
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content-based short circuiting behaviour, making it appropriate
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content-based short circuiting behaviour, making it appropriate
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for cryptography.
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for cryptography.
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"""
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"""
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if isinstance(first, six.string_types):
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first = first.encode('utf-8')
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if isinstance(second, six.string_types):
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second = second.encode('utf-8')
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if len(first) != len(second):
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if len(first) != len(second):
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return False
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return False
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result = 0
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result = 0
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@ -34,6 +34,7 @@ class SecretUtilsTest(testscenarios.TestWithScenarios,
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self.converter(u'abcd')))
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self.converter(u'abcd')))
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self.assertTrue(ctc(self.converter(u''),
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self.assertTrue(ctc(self.converter(u''),
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self.converter(u'')))
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self.converter(u'')))
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self.assertTrue(ctc('abcd', 'abcd'))
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self.assertFalse(ctc(self.converter(u'abcd'),
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self.assertFalse(ctc(self.converter(u'abcd'),
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self.converter(u'efgh')))
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self.converter(u'efgh')))
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self.assertFalse(ctc(self.converter(u'abc'),
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self.assertFalse(ctc(self.converter(u'abc'),
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@ -50,3 +51,4 @@ class SecretUtilsTest(testscenarios.TestWithScenarios,
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self.converter(u'a')))
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self.converter(u'a')))
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self.assertFalse(ctc(self.converter(u'abcd1234'),
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self.assertFalse(ctc(self.converter(u'abcd1234'),
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self.converter(u'1234abcd')))
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self.converter(u'1234abcd')))
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self.assertFalse(ctc('abcd1234', '1234abcd'))
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