Safety Tales: Decoding a Car
Vladimir Bezmaly | 09.14.2018
- Good afternoon, Johann!
- Good afternoon, Mr. Commissioner! What brought you to us so early? It's obvious that you didn't just come for no reason. And you could have had a cup of good coffee in your office. Especially in such nasty weather.
And outside the window the rain was pouring down. Autumn in the empire suddenly began with a sharp cold snap and rain. Wind and rain, rain and wind. It seemed like water was pouring from the sky in a continuous stream.
- Johann, you understand that in such weather a good dog will feel sorry for its owner and will not ask to go for a walk. So I was brought here for a very important reason. In fact, we have a problem. We need to bug Long Dan's car. He usually holds his short meetings right in his car.
— The key word is "open". We can't do that. He uses an electronic lock. And we can't open it.
- I see. I'll talk to Rita. We'll think about how we can lithuania whatsapp data you. But, you know, it's not instant, unfortunately.
Two weeks have passed.
- Johann, we have found a solution.
- Which?
— Long Dan's car uses a wireless system that uses relatively weak encryption algorithms for keys. Our researchers have developed a 6 TB table of possible code combinations — that's about 2 16 possible keys. In addition to the table, you also need a radio dongle, a duplicator and emulator of RFID tags, and a mini-computer. All in all, all the equipment costs about 600 imperials.
- Wait, but that's not expensive at all!
— Moreover, this method is suitable for all cars using wireless key fobs, since the operating principle of such systems is the same: when you press the unlock button, the key fob sends an encrypted code that opens the doors and starts the on-board computer. The equipment is capable of remotely reading the signal from a nearby key fob, and the process of obtaining a cryptographic key takes less than 2 seconds.
- Well, then open the car and do it
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