Extracted from Pike v8.0 release 164 as of 2016-04-05.
Method GSSAPI.Context()->last_confidential()
Method
last_confidential
int last_confidential()
Description
Returns nonzero if the last call to wrap or unwrap provided
confidentiality for the message, i.e. if wrap encrypted it or
if unwrap decrypted it. Zero is returned otherwise.