from typing import Union, overload from Crypto.Util._raw_api import SmartPointer Buffer = Union[bytes, bytearray, memoryview] __all__ = ['CtrMode'] class CtrMode(object): block_size: int nonce: bytes def __init__(self, block_cipher: SmartPointer, initial_counter_block: Buffer, prefix_len: int, counter_len: int, little_endian: bool) -> None: ... @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: ...