IBM 2 - page 406

CCA Release 2.54
The header is followed by individual sets of authentication data, each containing the
data for one authentication mechanism. This layout is shown pictorially in
Figure B-38 on page B-34.
Figure B-38. Layout of the Authentication Data Field
The content of the individual Authentication Data structures is shown in
Figure B-39 below.
B-34 IBM 4758 CCA Basic Services, Release 2.54, February 2005