Securing Vehicle Ad-Hoc Networks (VANETs) Using Cryptography

Research and development efforts continue towards passenger vehicles being incorporated into existing intelligent transportation systems (ITSs). Such integration could provide potentially useful benefits to drivers including: sharing traffic news; communicating warnings; and automating dangerous driving processes, such as merging or managing following distance.1 Vehicle Ad-hoc Networks or VANETs have been built to enable communications between vehicles, such as cars and trucks, as well as with infrastructure points, such as access points or base stations. In the near future, it is possible that this type of communication will be mandated by the National Highway Traffic Safety Administration.2 As agencies and traffic engineers look ahead to building ITSs with these benefits and integrating vehicles into current systems; they should maintain vigilance regarding the security of the information that is being used within these information systems.

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