Chameleon Hashing for Secure and Privacy-Preserving Vehicular Communications. Guo, S., Zeng, D., & Xiang, Y. Parallel and Distributed Systems, IEEE Transactions on, 25(11):2794-2803, 11, 2014.
Chameleon Hashing for Secure and Privacy-Preserving Vehicular Communications [link]Website  abstract   bibtex   
Many services and applications in vehicular ad-hoc networks (VANETs) require preserving and secure data communications. To improve driving safety and comfort, the traffic-related status information will be broadcasted regularly and shared among drivers. Without the security and privacy guarantees, attackers could track their interested vehicles by collecting and analyzing their traffic messages. Hence, anonymous message authentication is an essential requirement of VANETs. On the other hand, when a vehicle is involved in a dispute event of warning message, the certificate authority should be able to recover the real identity of this vehicle. To deal with this issue, we propose a new privacy-preserving authentication protocol with authority traceability using elliptic curve based chameleon hashing. Compared with existing schemes, our approach possesses the following features: 1) mutual and anonymous authentication for both vehicle-to-vehicle and vehicle-to-roadside communications, 2) vehicle unlinkability, 3) authority tracking capability, and 4) high computational efficiency. We also demonstrate the merits of our proposed scheme through security analysis and extensive performance evaluation.
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 title = {Chameleon Hashing for Secure and Privacy-Preserving Vehicular Communications},
 type = {article},
 year = {2014},
 identifiers = {[object Object]},
 keywords = {authentication,chameleon,curve,design,ecliptic,hashing,key,privacy,protocol,reading-group,security,vehicles},
 pages = {2794-2803},
 volume = {25},
 websites = {http://dx.doi.org/10.1109/TPDS.2013.277},
 month = {11},
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 abstract = {Many services and applications in vehicular ad-hoc networks (VANETs) require preserving and secure data communications. To improve driving safety and comfort, the traffic-related status information will be broadcasted regularly and shared among drivers. Without the security and privacy guarantees, attackers could track their interested vehicles by collecting and analyzing their traffic messages. Hence, anonymous message authentication is an essential requirement of VANETs. On the other hand, when a vehicle is involved in a dispute event of warning message, the certificate authority should be able to recover the real identity of this vehicle. To deal with this issue, we propose a new privacy-preserving authentication protocol with authority traceability using elliptic curve based chameleon hashing. Compared with existing schemes, our approach possesses the following features: 1) mutual and anonymous authentication for both vehicle-to-vehicle and vehicle-to-roadside communications, 2) vehicle unlinkability, 3) authority tracking capability, and 4) high computational efficiency. We also demonstrate the merits of our proposed scheme through security analysis and extensive performance evaluation.},
 bibtype = {article},
 author = {Guo, S and Zeng, D and Xiang, Y},
 journal = {Parallel and Distributed Systems, IEEE Transactions on},
 number = {11}
}

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