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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import, division, print_function
class _Reasons(object):
BACKEND_MISSING_INTERFACE = object()
UNSUPPORTED_HASH = object()
UNSUPPORTED_CIPHER = object()
UNSUPPORTED_PADDING = object()
UNSUPPORTED_MGF = object()
UNSUPPORTED_PUBLIC_KEY_ALGORITHM = object()
UNSUPPORTED_ELLIPTIC_CURVE = object()
UNSUPPORTED_SERIALIZATION = object()
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):
pass
class InvalidKey(Exception):
pass
class InvalidToken(Exception):
pass
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