The LMKs installed in the HSM should be checked periodically. Using the V command, confirm that the check value is identical to the value that was recorded when the LMK set was installed.
Online> V <Return>
The HSM responds with:
Master Key check: XXXX XXXX XXXX XXXX
Confirm that the check value is the same as the one logged when the LMKs were first loaded.
If the contents of LMK storage in the HSM have been corrupted, the HSM responds with:
MASTER KEY CHECK = MASTER KEY PARITY ERROR
(LMK storage can also be verified by a Host command).
The original and duplicate LMK Smartcards should be checked periodically.