Abstract
Concerning the privacy protection problem in Vehicular Ad Hoc NETwork( VANET), a scheme based on Kanonymous chain privacy protection was proposed. The scheme built a k anonymous area near the query node and forwarded the minimum boundary rectangle containing the k vehicles as location data. The process of forwarding constructed an anonymous chain to confuse the corresponding relationship of identity information and location information, thus greatly reducing the probability of successful attack. Seen from the analysis of security and simulation experiment results, this scheme can well protect the privacy of mobile vehicles and improve the security and privacy of vehicular network communication.
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