Exceptions
- class cryptography.exceptions.UnsupportedAlgorithm[source]
Raised when the requested algorithm, or combination of algorithms is not supported.
- class cryptography.exceptions.AlreadyFinalized[source]
This is raised when a context is used after being finalized.
- class cryptography.exceptions.InvalidSignature[source]
This is raised when signature verification fails. This can occur with HMAC or asymmetric key signature validation.
- class cryptography.exceptions.NotYetFinalized[source]
This is raised when the AEAD tag property is accessed on a context before it is finalized.