Comment by unnouinceput

Comment by unnouinceput 3 months ago

And how that will protect you from repeater attack? I just steal your car while you are in mall with this just as easy, encryption or not. I don't care about the signal, just that I capture it, send it to my other device near your car and kaboom!, your car unlocked.

josephcsible 3 months ago

The key fob would always return a response the exact same amount of time after receiving the challenge, so couldn't the car learn the distance by measuring the time of flight?

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SirMaster 3 months ago

How does repeating work if both the car and key use a code that changes every time, like 2FA app.

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AlotOfReading 3 months ago

TOTP relies on synchronized clocks, which is far, far too complicated to work here.

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