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📄 __init__.py (180 bytes)	180 B	0644	✍️ ⬇️ 🗑️
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✍️ Editing: _cipheralgorithm.py

            File: /opt/cloudlinux/venv/lib/python3.11/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py

            Size: 1.07 KB | 
            Last Modified: 2026-01-20 20:01:48        

# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

from __future__ import annotations

import abc
import typing

# This exists to break an import cycle. It is normally accessible from the
# ciphers module.

class CipherAlgorithm(metaclass=abc.ABCMeta):
    @property
    @abc.abstractmethod
    def name(self) -> str:
        """
        A string naming this mode (e.g. "AES", "Camellia").
        """

@property
    @abc.abstractmethod
    def key_sizes(self) -> typing.FrozenSet[int]:
        """
        Valid key sizes for this algorithm in bits
        """

@property
    @abc.abstractmethod
    def key_size(self) -> int:
        """
        The size of the key being used as an integer in bits (e.g. 128, 256).
        """

class BlockCipherAlgorithm(CipherAlgorithm):
    key: bytes

@property
    @abc.abstractmethod
    def block_size(self) -> int:
        """
        The size of a block as an integer in bits (e.g. 64, 128).
        """

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