constellation/image/measured-boot/extract_authentihash.py

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2022-10-18 10:23:00 -04:00
#!/usr/bin/env python
# Copyright (c) Edgeless Systems GmbH
#
# SPDX-License-Identifier: AGPL-3.0-only
# This script calculates the authentihash of a PE / EFI binary.
# Install prerequisites:
# pip install lief
import sys
import lief
def authentihash(filename):
pe = lief.parse(filename)
return pe.authentihash(lief.PE.ALGORITHMS.SHA_256)
if __name__ == '__main__':
if len(sys.argv) != 2:
print(f"Usage: {sys.argv[0]} <filename>")
sys.exit(1)
print(authentihash(sys.argv[1]).hex())