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Comment One hour is a lot of data... (Score 1) 253

The key fobs work by producing a new code each time you press it, and the car remembers which ones it's heard, preventing you from recording someone getting into the car and playing it back later.

So I guess the magic is that with an hour's worth of data, you can now figure out the sequence. But why bother? If you somehow can record 3600 fob activations in an hour away from the car, you can with no special knowledge make a key that will work 3600 times. More than long enough to fence the car, or steal the laptop inside.

"When it comes to humility, I'm the greatest." -- Bullwinkle Moose