Kerr County Texas (New Thread late 2023)

Project25_MASTR

Millennial Graying OBT Guy
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Jun 16, 2013
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Texas
I kind of figured that would be the case. Too much overlap in the hill country and 35 corridor not to. How would potential LLA implementation affect that down the road though?
LLA is partially implemented on GATRRS (as in actively used for select groups) so there are radios out there with LLA and work fine on both systems right now.
 

Project25_MASTR

Millennial Graying OBT Guy
Joined
Jun 16, 2013
Messages
4,533
Location
Texas
Link Layer Authentication. Essentially the radios are loaded with an encryption algorithm that the system uses to encrypt the registration handshake of the radio. If the algorithm exchange is is successful, then the radio is authenticated on the radio system (approved for use). This encryption algo is separate from talkgroup encryption. It's a method to keep unauthorized users off the system (i.e. those who have the ability to clone radio IDs). LLA shouldn't be confused with LLE (Link Layer Encryption) which is where the entire OTA data stream is encrypted (i.e. not even scanners or SDRs would be capable of monitoring without the correct key).
 

rattlerbb01

TX/LA Database Admin
Database Admin
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Dec 22, 2004
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Boerne, Texas
Link Layer Authentication. Essentially the radios are loaded with an encryption algorithm that the system uses to encrypt the registration handshake of the radio. If the algorithm exchange is is successful, then the radio is authenticated on the radio system (approved for use). This encryption algo is separate from talkgroup encryption. It's a method to keep unauthorized users off the system (i.e. those who have the ability to clone radio IDs). LLA shouldn't be confused with LLE (Link Layer Encryption) which is where the entire OTA data stream is encrypted (i.e. not even scanners or SDRs would be capable of monitoring without the correct key).
Thanks for updating that. LLA in theory should be all any SysAdmin should ever need to be secure when coupled with encryption for sensitive stuff. LLE just violates the 8th amendment for us scanner users, lol
 
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