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Public acceptance, and thus the economical success of Vehicular Ad Hoc Networks (VANETs), is highly dependent on the quality of deployed privacy mechanisms. Neither users nor operators should be able to track a given individual. One approach to facilitate this is the usage of pseudonym pools, which allow vehicles to autonomously switch between different identities. We extend this scheme with that...
Early approaches for Traffic Information Systems (TISs) primarily focused on centralized systems using unidirectional downlink communication and employing wireless broadcast or similar techniques. In general, these centralized TISs were operated by public radio stations, thus there were almost no security issues related to this approach. The situation changes when new Inter Vehicle Communication (IVC)...
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