| Exceptions |
| ========== |
| |
| .. currentmodule:: cryptography.exceptions |
| |
| .. class:: AlreadyFinalized |
| |
| This is raised when a context is used after being finalized. |
| |
| |
| .. class:: InvalidSignature |
| |
| This is raised when the verify function of a hash function does not |
| compare equal. |
| |
| |
| .. class:: NotYetFinalized |
| |
| This is raised when the AEAD tag property is accessed on a context |
| before it is finalized. |
| |
| |
| .. class:: AlreadyUpdated |
| |
| This is raised when additional data is added to a context after update |
| has already been called. |
| |
| |
| .. class:: UnsupportedAlgorithm |
| |
| This is raised when a backend doesn't support the requested algorithm (or |
| combination of algorithms). |