Server Access Security Using User ID and Password › Decryption of Common Format Buffer › Client Manager DECRYPT User Exit

Client Manager DECRYPT User Exit

The DECRYPT Client Manager user exit is intended to provide a user-written decryption routine that must be able to correctly decrypt the CFB previously encrypted by the GUI runtime user exit WRSECENCRYPT.

The Client Manager passes the encrypted portion of the CFB to the DECRYPT exit routine. The exit returns a decrypted version of the data it was passed as input.

On return from the DECRYPT user exit, the Client Manager parses out the user ID and password. The Client Manager uses this retrieved security data when servicing the associated cooperative flow request.

The Client Manager decrypts the CFB for its internal use only. When the CFB is forwarded on to the target server environment, it remains in the encrypted state as received from the originating DPC.

Notes:

• Also, see the security discussion within Distributed Processing – Overview Guide for a detailed discussion of encryption and security within a DP application.
• For more information about user exits, see the User Exit Reference Guide.

More information:

User Exits