from typing import Union, Optional, Callable from typing_extensions import Protocol from Crypto.PublicKey.DSA import DsaKey from Crypto.PublicKey.ECC import EccKey class Hash(Protocol): def digest(self) -> bytes: ... __all__ = ['new'] class DssSigScheme: def __init__(self, key: Union[DsaKey, EccKey], encoding: str, order: int) -> None: ... def can_sign(self) -> bool: ... def sign(self, msg_hash: Hash) -> bytes: ... def verify(self, msg_hash: Hash, signature: bytes) -> bool: ... class DeterministicDsaSigScheme(DssSigScheme): def __init__(self, key, encoding, order, private_key) -> None: ... class FipsDsaSigScheme(DssSigScheme): def __init__(self, key: DsaKey, encoding: str, order: int, randfunc: Callable) -> None: ... class FipsEcDsaSigScheme(DssSigScheme): def __init__(self, key: EccKey, encoding: str, order: int, randfunc: Callable) -> None: ... def new(key: Union[DsaKey, EccKey], mode: str, encoding: Optional[str]='binary', randfunc: Optional[Callable]=None) -> Union[DeterministicDsaSigScheme, FipsDsaSigScheme, FipsEcDsaSigScheme]: ...