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pqcrypto/test/test_metadata_sizes.py

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import json
import os
import pqclean
import helpers
def test_metadata_sizes():
for scheme in pqclean.Scheme.all_schemes():
for implementation in scheme.implementations:
yield check_metadata_sizes, implementation
def check_metadata_sizes(implementation):
metadata = implementation.scheme.metadata()
helpers.make('printparams',
TYPE=implementation.scheme.type,
SCHEME=implementation.scheme.name,
IMPLEMENTATION=implementation.name,
working_dir=os.path.join('..', 'test'))
out = helpers.run_subprocess(
[os.path.join('..', 'bin', 'printparams_{}_{}{}'.format(
implementation.scheme.name,
implementation.name,
'.exe' if os.name == 'nt' else ''
))],
os.path.join('..', 'bin'),
).replace('\r', '')
parsed = json.loads(out)
assert parsed['CRYPTO_SECRETKEYBYTES'] == metadata['length-secret-key']
assert parsed['CRYPTO_PUBLICKEYBYTES'] == metadata['length-public-key']
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']
if __name__ == '__main__':
try:
import nose2
nose2.main()
except ImportError:
import nose
nose.runmodule()