Host CPU acceleration: CPACF

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Only keys with a key type of DATA can be used successfully with the CPACF exploitation layer through this verb.

Specifically, a DATA key has a CV (Control Vector) of all X'00' bytes for all active bytes of the CV (eight bytes for 8-byte DES keys, 16 bytes for 16-byte DES keys, and 16 bytes for 24-byte DES keys).

For details about CPACF, see CPACF support.