| #!/usr/bin/env python3 |
| """Generate test data for PSA cryptographic mechanisms. |
| """ |
| |
| # Copyright The Mbed TLS Contributors |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # 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. |
| |
| import argparse |
| import sys |
| from typing import TypeVar |
| |
| import scripts_path # pylint: disable=unused-import |
| from mbedtls_dev import macro_collector |
| |
| T = TypeVar('T') #pylint: disable=invalid-name |
| |
| class TestGenerator: |
| """Gather information and generate test data.""" |
| |
| def __init__(self, options): |
| self.test_suite_directory = self.get_option(options, 'directory', |
| 'tests/suites') |
| self.constructors = self.read_psa_interface() |
| |
| @staticmethod |
| def get_option(options, name: str, default: T) -> T: |
| value = getattr(options, name, None) |
| return default if value is None else value |
| |
| @staticmethod |
| def remove_unwanted_macros( |
| constructors: macro_collector.PSAMacroCollector |
| ) -> None: |
| # Mbed TLS doesn't support DSA. Don't attempt to generate any related |
| # test case. |
| constructors.key_types.discard('PSA_KEY_TYPE_DSA_KEY_PAIR') |
| constructors.key_types.discard('PSA_KEY_TYPE_DSA_PUBLIC_KEY') |
| constructors.algorithms_from_hash.pop('PSA_ALG_DSA', None) |
| constructors.algorithms_from_hash.pop('PSA_ALG_DETERMINISTIC_DSA', None) |
| |
| def read_psa_interface(self) -> macro_collector.PSAMacroCollector: |
| """Return the list of known key types, algorithms, etc.""" |
| constructors = macro_collector.PSAMacroCollector() |
| header_file_names = ['include/psa/crypto_values.h', |
| 'include/psa/crypto_extra.h'] |
| for header_file_name in header_file_names: |
| with open(header_file_name, 'rb') as header_file: |
| constructors.read_file(header_file) |
| self.remove_unwanted_macros(constructors) |
| return constructors |
| |
| def main(args): |
| """Command line entry point.""" |
| parser = argparse.ArgumentParser(description=__doc__) |
| options = parser.parse_args(args) |
| generator = TestGenerator(options) |
| |
| if __name__ == '__main__': |
| main(sys.argv[1:]) |