| # Copyright 2019 Google LLC. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """Tests for tink.python.deterministic_aead_key_templates.""" |
| |
| from __future__ import absolute_import |
| from __future__ import division |
| from __future__ import print_function |
| |
| from absl.testing import absltest |
| from tink.proto import aes_siv_pb2 |
| from tink.proto import tink_pb2 |
| from tink.python.daead import deterministic_aead_key_templates |
| |
| |
| class DeterministicAeadKeyTemplatesTest(absltest.TestCase): |
| |
| def test_aes256_siv(self): |
| template = deterministic_aead_key_templates.AES256_SIV |
| self.assertEqual('type.googleapis.com/google.crypto.tink.AesSivKey', |
| template.type_url) |
| self.assertEqual(tink_pb2.TINK, template.output_prefix_type) |
| key_format = aes_siv_pb2.AesSivKeyFormat() |
| key_format.ParseFromString(template.value) |
| self.assertEqual(64, key_format.key_size) |
| |
| def test_create_aes_siv_key_template(self): |
| # Intentionally using 'weird' or invalid values for parameters, |
| # to test that the function correctly puts them in the resulting template. |
| template = deterministic_aead_key_templates.create_aes_siv_key_template( |
| key_size=42) |
| self.assertEqual('type.googleapis.com/google.crypto.tink.AesSivKey', |
| template.type_url) |
| self.assertEqual(tink_pb2.TINK, template.output_prefix_type) |
| key_format = aes_siv_pb2.AesSivKeyFormat() |
| key_format.ParseFromString(template.value) |
| self.assertEqual(42, key_format.key_size) |
| |
| if __name__ == '__main__': |
| absltest.main() |