pqc/test/check_testvectors.py
Matthias J. Kannwischer f7fb850ecf check testvectors
2019-01-18 14:43:05 +01:00

39 lines
1.1 KiB
Python
Executable File

import yaml
import sys
import os
import subprocess
import hashlib
"""
For a given SCHEME, this script verifies that the hash of the testvectors
produced on this platform matches the one provided in the META file.
"""
if len(sys.argv) != 2:
print("Provide a scheme name (e.g. crypto_kem/kyber768) as argv[1]")
exit(1)
SCHEME = sys.argv[1]
SCHEMEFULL = SCHEME.replace('/', '_') # e.g. crypto_kem_kyber768
SCHEMESHORT = SCHEME.split('/')[1].upper()
def get_hash(scheme):
with open(f"{scheme}/META.yml", 'r') as stream:
meta = yaml.load(stream)
return hex(meta['testvectors-sha3-256']).replace('0x', '')
expectedTestvectorsHash = get_hash(SCHEME)
subprocess.run(["make", "testvectors", f"SCHEME={SCHEME}"])
implementations = [x for x in os.listdir('bin') if 'testvectors' in x and SCHEMEFULL in x]
for impl in implementations:
testvectors = subprocess.run([f"bin/{impl}"],stdout=subprocess.PIPE)
testvectorsHash = hashlib.sha3_256(testvectors.stdout).hexdigest()
if testvectorsHash.lower() != expectedTestvectorsHash.lower():
print(f"testvectors of {SCHEME} should be {expectedTestvectorsHash}, but is {testvectorsHash}")
sys.exit(1)