E F Johnson Company 2425333 사용자 설명서
10-15
Secure Communication (Encryption)
MODIFY KEY
0x13
MODIFY KEYSET ATTRIBUTES
0x14
MODIFY KEYSET ATTRIBUTES RESPONSE
0x15
NEGATIVE ACK
0x16
NO SERVICE
0x17
REKEY ACK
0x1D
REKEY
0x1E
WARM START
0x20
ZEROIZE
0x21
ZEROIZE RESPONSE
0x22
OTAR REGISTRATION
0x25
OTAR REGISTARTION RESPONSE
0x26
UNABLE TO DECRYPT
0x27
10.6.1 OTAR Option Switches
The following additional option switches can be programmed with the 5300 ES mobile
radio to control OTAR functions.
radio to control OTAR functions.
Change Keyset - Toggles the active keyset between Keyset 1 and Keyset 2. The new
active keyset is briefly displayed and then normal operation resumes. To change to the
other keyset, highlight it and press the <F2> key.
active keyset is briefly displayed and then normal operation resumes. To change to the
other keyset, highlight it and press the <F2> key.
Clear/Secure Select - This enables and disables encryption regardless of whether
OTAR is used. Refer to Section 10.3 for more information.
OTAR is used. Refer to Section 10.3 for more information.
Erase Keys - Erases all TEK and KEK keys contained in the radio.
Key Select - This allows a different key to be selected for the current channel or group
(conventional channels only). Refer to Section 10.2.4 for more information.
(conventional channels only). Refer to Section 10.2.4 for more information.
OTAR Rekey Request - Sends a message which tells the KMF that the radio is on the
air and requests rekeying. The following status messages are displayed which indicate
the progress of this function.
air and requests rekeying. The following status messages are displayed which indicate
the progress of this function.
Rekeying - A radio-initiated rekeying session is in process.
No Ack - No response was received from the KMF in response to an Identify request
before time out occurred (approximately 30 seconds).
before time out occurred (approximately 30 seconds).
Ack Rcvd - An acknowledgement was received in response to an Identify request.