3 ms·

If you can synchronize the clocks in the car and the key fob, it doesn't matter if you know the delta to UTC or not.

• mmebane 4y ago
  Isn't any method of synchronizing clocks likely to be vulnerable to the same sort of counter resynchronization issue that this attack exploits?
  • buescher 4y ago
    Good question.
• amluto 4y ago
  If you can do that, you probably have two-way communication, and this issue should be moot.