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| from typing import Union, overload, Optional
|
| Buffer = bytes|bytearray|memoryview
|
| def _HChaCha20(key: Buffer, nonce: Buffer) -> bytearray: ...
|
| class ChaCha20Cipher:
| block_size: int
| nonce: bytes
|
| def __init__(self, key: Buffer, nonce: Buffer) -> 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: ...
| def seek(self, position: int) -> None: ...
|
| def new(key: Buffer, nonce: Optional[Buffer] = ...) -> ChaCha20Cipher: ...
|
| block_size: int
| key_size: int
|
|
