[TrunkCom] Nextel Digital system

Marcel [email protected]
Sat, 13 Apr 2002 01:13:12 -0400


>From IFR:

<SNIP>
"The 2975 can simultaneously monitor the uplink and
downlink data streams and display the information sent and
received in Project 25 formatted data fields. This permits
checking radio programming codes, etc."

Project 25- Definitions-

KID = Key Identifier identifies which key is in use for
encryption.

ALGID = Algorithm Identifier

Here is a screen shot of the Downlink Info.

http://groups.yahoo.com/group/WFHSG3/files/IFR%20DOWNLINK%20INFO.jpg

[Image]

[email protected] wrote:

> The IFR Service monitor cannot "decrypt" DES-OFB without the actual key
> being provided to the service monitor.  You cannot "read a key" over the
> air -


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