| #!/usr/bin/env python3 |
| |
| # Copyright (C) 2021 The Android Open Source Project |
| # |
| # 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. |
| |
| """ |
| Write given number of random bytes, generated with optional seed. |
| """ |
| |
| import random, argparse |
| |
| if __name__ == '__main__': |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument('--seed', help='Seed to random generator') |
| parser.add_argument('--length', type=int, required=True, help='Length of output') |
| args = parser.parse_args() |
| |
| if args.seed: |
| random.seed(args.seed) |
| |
| print(''.join(chr(random.randrange(0,0xff)) for _ in range(args.length))) |
