ICU010I CRYPTOGRAPHY SYSTEM MASTER KEY HAS BEEN SET

Explanation
The key generator utility program has successfully
set the host master key. If there are any control statements requesting
updates to the secondary key-encrypting keys, these statements are
processed at this time.
Note: The security administrator must ensure
that an authorized person was running the key generator utility program.
More information about the requester is recorded in SMF record type
82.

System action
Key generator utility processing continues.

Source
Cryptographic Unit Support Program (CUSP)

Routing code
9

Descriptor code
4