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Diffstat (limited to 'src/cryptography/exceptions.py')
-rw-r--r-- | src/cryptography/exceptions.py | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/cryptography/exceptions.py b/src/cryptography/exceptions.py new file mode 100644 index 00000000..c14763f7 --- /dev/null +++ b/src/cryptography/exceptions.py @@ -0,0 +1,63 @@ +# 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 |