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#!/usr/bin/env python3
#
# Copyright (C) 2024 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import argparse
from vyos.utils.process import cmd
def validate_hex_size(value):
"""Validate that the hex_size is between 32 and 512."""
try:
value = int(value)
except ValueError:
raise argparse.ArgumentTypeError("hex_size must be integer.")
if value < 32 or value > 512:
raise argparse.ArgumentTypeError("hex_size must be between 32 and 512.")
return value
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument(
"--hex_size",
type=validate_hex_size,
help='PKS value size in hex format. Default is 32 bytes.',
default=32,
required=False,
)
args = parser.parse_args()
print(cmd(f'openssl rand -hex {args.hex_size}'))
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