mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 07:18:09 +00:00
53 lines
1.7 KiB
Python
Executable File
53 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2022 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import sys
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from typing import BinaryIO, TextIO
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import click
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from trezorlib import firmware
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from trezorlib._internal import firmware_headers
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@click.command()
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@click.argument("filename", type=click.File("rb"))
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@click.option("-o", "--output", type=click.File("w"), default="-")
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def firmware_fingerprint(filename: BinaryIO, output: TextIO) -> None:
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"""Display fingerprint of a firmware file."""
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data = filename.read()
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try:
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version, fw = firmware.parse(data)
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# Unsigned production builds for Trezor T do not have valid code hashes.
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# Use the internal module which recomputes them first.
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if version == firmware.FirmwareFormat.TREZOR_T:
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fingerprint = firmware_headers.FirmwareImage(fw).digest()
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else:
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fingerprint = firmware.digest(version, fw)
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except Exception as e:
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click.echo(e, err=True)
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sys.exit(2)
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click.echo(fingerprint.hex(), file=output)
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if __name__ == "__main__":
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firmware_fingerprint()
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