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build_library: pcr: Surface error from pesign

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This commit is contained in:
Jeremi Piotrowski 2026-02-20 11:21:27 +01:00
parent 1df9526241
commit 3ca5bde325
1 changed files with 4 additions and 1 deletions
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5
build_library/precompute_pcr.py
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@ -73,7 +73,10 @@ def pe_authenticode_hash(filepath, hash_algo='sha256'):
"""
result = subprocess.run(
['pesign', '-h', '-i', filepath, '-d', hash_algo],
capture_output=True, text=True, check=True)
capture_output=True, text=True)
if result.returncode != 0:
msg = result.stderr.strip() or f'pesign failed with exit code {result.returncode}'
raise RuntimeError(f'{filepath}: {msg}')
# Output format: "hash: <hex>\n"
return result.stdout.strip().split(': ', 1)[1]