Key Fob Replacement | Remote Keyless Entry | Denver CO

Car key fobs are a fantastic piece of technology in the automotive industry. In newer cars, sometimes all you need is the fob in your pocket to unlock the door or start the engine. Other fobs are programmed to start your car remotely with just a touch of a button.

In our modern society, comfort has become a standard. This comfort, especially in cars, can only be achieved by equipping the car with more electronic devices. Some electronic devices must cooperate, and thus they require a communication channel, which can be wired or wireless. In these days, it would be hard to sell a new car operating with traditional keys. Almost all modern cars can be locked or unlocked with a Remote Keyless System. A Remote Keyless System consists of a key fob that communicates wirelessly with the car transceiver responsible for locking and unlocking the car. However, there are several threats to wireless communication channels. This paper describes the possible attacks against a Remote Keyless System and introduces a secure protocol and a lightweight Symmetric Encryption Algorithm for a Remote Key-less Entry System applicable in vehicles.

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