from types import ModuleType
from typing import Union, Any, Optional, Tuple, Dict, overload
Buffer = Union[bytes, bytearray, memoryview]
class OcbMode(object):
block_size: int
nonce: Buffer
def __init__(self,
factory: ModuleType,
nonce: Buffer,
mac_len: int,
cipher_params: Dict) -> None: ...
def update(self, assoc_data: Buffer) -> OcbMode: ...
@overload
def encrypt(self, plaintext: Buffer) -> bytes: ...
@overload
def encrypt(self, plaintext: Buffer, output: Union[bytearray, memoryview]) -> None: ...
@overload
def decrypt(self, plaintext: Buffer) -> bytes: ...
@overload
def decrypt(self, plaintext: Buffer, output: Union[bytearray, memoryview]) -> None: ...
def digest(self) -> bytes: ...
def hexdigest(self) -> str: ...
def verify(self, received_mac_tag: Buffer) -> None: ...
def hexverify(self, hex_mac_tag: str) -> None: ...
def encrypt_and_digest(self,
plaintext: Buffer) -> Tuple[bytes, bytes]: ...
def decrypt_and_verify(self,
ciphertext: Buffer,
received_mac_tag: Buffer) -> bytes: ...