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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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 signedjson.key import write_signing_keys, generate_signing_key

from synapse.util.stringutils import random_string

if __name__ == "__main__":
    parser = argparse.ArgumentParser()

    parser.add_argument(
        "-o", "--output_file",

        type=argparse.FileType('w'),
        default=sys.stdout,
        help="Where to write the output to",
    )
    args = parser.parse_args()

    key_id = "a_" + random_string(4)
    key = generate_signing_key(key_id),
    write_signing_keys(args.output_file, key)