Privacy-preserving SVANETs: Privacy-preserving simple vehicular ad-hoc networks

The paper deals with the cryptographic design and experimental implementation of a scheme for (but not limited to) vehicular ad-hoc networks (VANETs). In contrast to existing solutions, our scheme does not need any complex infrastructure (like costly road-side units or special on-board devices) and is based just on users´ smart-phones and Internet connection. We call this simplified concept SVANETs (Simple Vehicular Ad-Hoc Networks). In addition, our cryptographic scheme supports drivers´ privacy by employing advanced cryptographic constructions like S-protocols and proof of knowledge protocols. Our scheme is computationally efficient and practically implementable on current hardware. To prove the efficiency and practical implementability, we provide the first implementation results, which were obtained from our experimental implementation on the Android platform.