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pqcrypto/test/test_metadata_sizes.py
2019-12-12 11:36:34 +01:00

55 lines
1.7 KiB
Python

import json
import os
import pytest
import helpers
import pqclean
@pytest.mark.parametrize(
'implementation,test_dir,impl_path, init, destr',
[(impl, *helpers.isolate_test_files(impl.path(), 'test_printparams_'))
for impl in pqclean.Scheme.all_implementations()],
ids=[str(impl) for impl in pqclean.Scheme.all_implementations()],
)
@helpers.filtered_test
def test_metadata_sizes(implementation, impl_path, test_dir, init, destr):
init()
metadata = implementation.scheme.metadata()
dest_dir = os.path.join(test_dir, 'bin')
helpers.make('printparams',
TYPE=implementation.scheme.type,
SCHEME=implementation.scheme.name,
IMPLEMENTATION=implementation.name,
SCHEME_DIR=impl_path,
DEST_DIR=dest_dir,
working_dir=os.path.join(test_dir, 'test'))
out = helpers.run_subprocess(
[os.path.join(dest_dir, 'printparams_{}_{}{}'.format(
implementation.scheme.name,
implementation.name,
'.exe' if os.name == 'nt' else ''
))]
).replace('\r', '')
parsed = json.loads(out)
assert parsed['CRYPTO_SECRETKEYBYTES'] == metadata['length-secret-key']
assert parsed['CRYPTO_PUBLICKEYBYTES'] == metadata['length-public-key']
assert parsed['CRYPTO_ALGNAME'] == metadata['name']
if implementation.scheme.type == 'kem':
assert (
parsed['CRYPTO_CIPHERTEXTBYTES'] == metadata['length-ciphertext'])
assert parsed['CRYPTO_BYTES'] == metadata['length-shared-secret']
else:
assert parsed['CRYPTO_BYTES'] == metadata['length-signature']
destr()
if __name__ == '__main__':
import sys
pytest.main(sys.argv)