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z/OS MVS JCL Reference
Use the KEYLABL2 to specify the label for the key encrypting key used by the Encryption Key Manager. The key encrypting key is used to encrypt the data (encryption) key.
Code the KEYLABL2 parameter when you want to:
Specification of the key labels does not by itself enable encryption. Encryption must be enabled by a data class that specifies an encryption format, for example EEFMT2.
At least one of KEYLABL1 or KEYLABL2 must have a private key associated with it.
For complete documentation on using tape encryption, see z/OS DFSMS Software Support for IBM System Storage TS1140, TS1130, and TS1120 Tape Drives (3592).
Copyright IBM Corporation 1990, 2014