One Key, Two Key, I Just Stole Your goTenna Key
Erwin Karincic, Dale Wooden
DEF CON 33 · Day 1 · Main Stage
When traditional communications infrastructure fails during disasters, first responders and emergency personnel turn to off-grid mesh radio networks like those provided by goTenna. These devices form
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RF side-channel key recovery against goTenna Pro — passive EM trace collection from a commodity SDR, CPA against ECC scalar multiplication, full private key recovery and traffic decryption — deployed on first-responder and military mesh networks.