TETRA Radio Code Encryption Has a Flaw: A Backdoor
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This is an interesting article and is worth reading. It concerns a standardized digital trunking technology - TETRA - which is used by many organizations to transmit encrypted data and commands in pipelines, railways, the electric grid, mass transit, and freight trains.
Thanks to John, KK7CIE, for bringing it to my attention.
Regards,
Joe, N2QOJ
Joe Sammartino 24/7: ?480.270.4563 Mobile: ?480.381.2993
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Joe Sammartino