Motorola solutions APX N70, User Manual

Page: 69 / 104

13.4
Selecting Encryption Keys (Conventional Only)
This feature allows you to change the encryption key from an active keyset.
Procedure:
1
From the
Home
screen, tap
More
.
2 Tap Select Key , then select the required encryption key.
13.5
Changing Encryption Keysets
Procedure:
1
From the
Home
screen, tap
More .
2 Tap Change Keyset , then select the required encryption keyset.
3 Tap Change to confirm the request.
13.6
Infinite UKEK Retention
This feature enables Unique Key Encryption Key (UKEK) to be permanently stored in the radio even
when all the encryption keys are erased. Without this UKEK key, the radio cannot be rekeyed over the
air. The Infinite UKEK Retention settings can be different for each secure profile.
NOTE: This feature must be preprogrammed by a qualified radio technician. Check with your
dealer or system administrator for more information.
13.7
Requesting Rekey
Over-the-Air Rekey (OTAR), allows the system administrator to remotely reprogram encryption keys in
the radio. The Rekey Request feature allows you to request for the reprogramming of the encryption
keys.
Prerequisites: Ensure that at least one initial secret Unique Key Encryption Key (UKEK) has been
provisioned. This secret UKEK must be established before a Rekey Request delivers the updated
keys.
Procedure:
From the Home screen, tap More → Request Rekey → Continue .
MN009207A01-AA
Chapter 13 : Secure Operations
63