from __future__ import absolute_import, print_function import os from cryptography.hazmat.backends import default_backend from cryptography.hazmat.primitives import hashes from cryptography.hazmat.primitives.asymmetric import ec from cryptography.hazmat.primitives.asymmetric.utils import ( encode_dss_signature ) from tests.utils import ( load_fips_ecdsa_signing_vectors, load_vectors_from_file ) CRYPTOGRAPHY_HASH_TYPES = { "SHA-1": hashes.SHA1, "SHA-224": hashes.SHA224, "SHA-256": hashes.SHA256, "SHA-384": hashes.SHA384, "SHA-512": hashes.SHA512, } def verify_one_vector(vector): digest_algorithm = vector['digest_algorithm'] message = vector['message'] x = vector['x'] y = vector['y'] signature = encode_dss_signature(vector['r'], vector['s']) numbers = ec.EllipticCurvePublicNumbers( x, y, ec.SECP256K1() ) key = numbers.public_key(default_backend()) verifier = key.verifier( signature, ec.ECDSA(CRYPTOGRAPHY_HASH_TYPES[digest_algorithm]()) ) verifier.update(message) return verifier.verify() def verify_vectors(vectors): for vector in vectors: assert verify_one_vector(vector) vector_path = os.path.join("asymmetric", "ECDSA", "SECP256K1", "SigGen.txt") secp256k1_vectors = load_vectors_from_file( vector_path, load_fips_ecdsa_signing_vectors ) verify_vectors(secp256k1_vectors) 787d70e55a668244445d9328f3cda2303cc6877'>refslogtreecommitdiffstats
path: root/lib/lufa/Demos/Device/ClassDriver/DualVirtualSerial/DualVirtualSerial.h
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