.-MAC--=--NONE-----. >>-+------------------+---------------------------------------->< | .-NONE-. | '-MAC--=--+------+-' +-COND-+ '-REQD-'
| macroinstructions: | MODEENT |
Specifies the message authentication requirements for this logical
unit.
- MAC=REQD
- Specifies that all messages on this session must be authenticated. When MAC=REQD, a session cannot be activated unless the logical unit or host associated with the application program supports message authentication.
- MAC=COND
- Specifies that this application program supports message authentication,
which is required if the session partner is MAC capable.
Note: If a cryptograpic product is not available at session start, a session without message authentication support and cryptographic enhancements is established.
- MAC=NONE
- Specifies that this logical unit does not engage in message authentication support and cryptographic enhancements supported sessions.