Context I’ve had the curiosity to explore radio communication protocols for a few years now, ever since I’ve started fiddling around with an RTL-SDR dongle. I always had the goal of figuring out how data is transmitted in remote controls (car key fobs particularly), trying replay attacks, and other possible attack vectors. Despite capturing some car key fob signals over the years, I haven’t had the chance of doing meaningful analysis on them, and that’s mainly due to the limited access I had to ...