from typing import Optional from typing_extensions import Protocol from Crypto.PublicKey.RSA import RsaKey class Hash(Protocol): def digest(self) -> bytes: ... class PKCS115_SigScheme: def __init__(self, rsa_key: RsaKey) -> None: ... def can_sign(self) -> bool: ... def sign(self, msg_hash: Hash) -> bytes: ... def verify(self, msg_hash: Hash, signature: bytes) -> None: ... def _EMSA_PKCS1_V1_5_ENCODE(msg_hash: Hash, emLen: int, with_hash_parameters: Optional[bool]=True) -> bytes: ... def new(rsa_key: RsaKey) -> PKCS115_SigScheme: ...