# This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. from __future__ import annotations from cryptography.hazmat.bindings._rust import asn1 from cryptography.hazmat.primitives import hashes decode_dss_signature = asn1.decode_dss_signature encode_dss_signature = asn1.encode_dss_signature class Prehashed: def __init__(self, algorithm: hashes.HashAlgorithm): if not isinstance(algorithm, hashes.HashAlgorithm): raise TypeError("Expected instance of HashAlgorithm.") self._algorithm = algorithm self._digest_size = algorithm.digest_size @property def digest_size(self) -> int: return self._digest_size