#!/usr/bin/env python3 # This file is part of the Trezor project. # # Copyright (C) 2012-2022 SatoshiLabs and contributors # # This library is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License version 3 # as published by the Free Software Foundation. # # This library 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 Lesser General Public License for more details. # # You should have received a copy of the License along with this library. # If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>. import sys from typing import BinaryIO, TextIO import click from trezorlib._internal import firmware_headers @click.command() @click.argument("filename", type=click.File("rb")) @click.option("-o", "--output", type=click.File("w"), default="-") def firmware_fingerprint(filename: BinaryIO, output: TextIO) -> None: """Display fingerprint of a firmware file.""" data = filename.read() try: click.echo(firmware_headers.parse_image(data).digest().hex(), file=output) except Exception as e: click.echo(e, err=True) sys.exit(2) if __name__ == "__main__": firmware_fingerprint()