def test_constant_time_compare(self):
     self.assertFalse(constant_time_compare('f','ff'))
 def verify(self, password, encoded):
     algorithm, iterations, salt, hash = encoded.split('$', 3)
     assert algorithm == self.algorithm
     encoded_2 = self.encode(password, salt, int(iterations))
     return constant_time_compare(encoded, encoded_2)