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Linux tsuru-no-tsurugi 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64
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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2026-03-18 06:24
hazmat	[ DIR ]	drwxr-xr-x	2026-03-18 06:24
x509	[ DIR ]	drwxr-xr-x	2026-03-18 06:24
__about__.py	805 B	-rw-r--r--	2021-08-25 02:17
__init__.py	511 B	-rw-r--r--	2021-08-25 02:02
exceptions.py	1.18 KB	-rw-r--r--	2026-03-14 21:22
fernet.py	6.38 KB	-rw-r--r--	2021-08-25 02:17
py.typed	0 B	-rw-r--r--	2021-08-25 02:02
utils.py	5.09 KB	-rw-r--r--	2026-03-14 21:22

Rename

# 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 cryptography import utils

class _Reasons(utils.Enum):
    BACKEND_MISSING_INTERFACE = 0
    UNSUPPORTED_HASH = 1
    UNSUPPORTED_CIPHER = 2
    UNSUPPORTED_PADDING = 3
    UNSUPPORTED_MGF = 4
    UNSUPPORTED_PUBLIC_KEY_ALGORITHM = 5
    UNSUPPORTED_ELLIPTIC_CURVE = 6
    UNSUPPORTED_SERIALIZATION = 7
    UNSUPPORTED_X509 = 8
    UNSUPPORTED_EXCHANGE_ALGORITHM = 9
    UNSUPPORTED_DIFFIE_HELLMAN = 10
    UNSUPPORTED_MAC = 11

class UnsupportedAlgorithm(Exception):
    def __init__(self, message, reason=None):
        super(UnsupportedAlgorithm, self).__init__(message)
        self._reason = reason

class AlreadyFinalized(Exception):
    pass

class AlreadyUpdated(Exception):
    pass

class NotYetFinalized(Exception):
    pass

class InvalidTag(Exception):
    pass

class InvalidSignature(Exception):
    pass

class InternalError(Exception):
    def __init__(self, msg, err_code):
        super(InternalError, self).__init__(msg)
        self.err_code = err_code

class InvalidKey(Exception):
    pass