| # 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 |