New Bluetooth 5 Channel Hopping Reverse Engineered for Jamming and Hijacking

New Bluetooth 5 Channel Hopping Reverse Engineered for Jamming and Hijacking

Bluetooth Low Energy (BLE) 5 has been around since 2016 with the most recent version 5.2 published just this year. There’s not much hardware out there that’s using the new hotness. That didn’t stop [Damien Cauquil] from picking apart BLE 5’s new frequency hopping techniques and updating his BtleJack tool to allow sniffing, jamming and hijacking hardware using the new protocol.


As you can imagine, the BLE standard a complicated beast and just one part of it is the topic here: the PRNG-based frequency hopping scheme that is vastly d ..