Security for V2X

Abstract

In this chapter, a high-level description of security is presented for car-to-car communication. Future cars will become safer and more robust using different sensors and technologies. Radar, Lidar, cameras, and connected cars will create a bubble around the car that a smart CPU box can manage, with or without the presence of the driver.

Security is an integral part of a robust communication system. Safety is not only enforced through packet error rates or transmit performance. In the first section of this chapter, the significance of security is discussed. Why do we need it, and what impact does it have? Subsequently, the requirements are described in more detail. Privacy, for example, is key for becoming a success in this connected world.

Optimal utilization of the channel throughput is considered beneficial in any communication system. At the same time, messages must be authentic. In this chapter, the security scheme, based on elliptic curves, is discussed, as well as public key infrastructure. The last sections are referring to standardization work done so far and what the near future has to bring.