# 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. import typing from cryptography.hazmat.primitives import hashes class HMAC(hashes.HashContext): def __init__( self, key: bytes, algorithm: hashes.HashAlgorithm, backend: typing.Any = None, ) -> None: ... @property def algorithm(self) -> hashes.HashAlgorithm: ... def update(self, data: bytes) -> None: ... def finalize(self) -> bytes: ... def verify(self, signature: bytes) -> None: ... def copy(self) -> HMAC: ...