Exceptions for XEP-0373: OpenPGP for XMPP.
Exception Summary Exception Description InvalidBackupCodeExceptionException that gets thrown if the backup code entered by the user is invalid. MissingOpenPgpKeyExceptionException that gets thrown when an operation is missing an OpenPGP key. MissingUserIdOnKeyExceptionThis exception gets thrown, if the user tries to import a key of a user which is lacking a user-id with the users jid. NoBackupFoundExceptionThis exception gets thrown in case the user tries to restore a secret key backup from PubSub, but no backup has been found.