def authenticate_additional_data(self, data):
if self._ctx is None:
raise AlreadyFinalized("Context was already finalized.")
if self._updated:
raise AlreadyUpdated("Update has been called on this context.")
self._aad_bytes_processed += len(data)
if self._aad_bytes_processed > self._ctx._mode._MAX_AAD_BYTES:
raise ValueError("{} has a maximum AAD byte limit of {}".format(
self._ctx._mode.name, self._ctx._mode._MAX_AAD_BYTES))
self._ctx.authenticate_additional_data(data)
def authenticate_additional_data(self, data):
if self._ctx is None:
raise AlreadyFinalized("Context was already finalized")
if self._updated:
raise AlreadyUpdated("Update has been called on this context")
self._ctx.authenticate_additional_data(data)
