Interdisciplinary Research Group in Socio-technical Cybersecurity
Design and formal analysis of a group signature based electronic toll pricing system
Location-based vehicle services have been enduring a rapid growth with the prevalence of GNSS technologies, nowadays freely available for everyone. Given the nature of location data, privacy is of prime importance in services such as electronic tolling pricing (ETP) and pay-as-you-drive. In this paper, we ﬁrst propose a new electronic toll pricing system based on group signatures – GroupETP which achieves a good balance between privacy and overhead imposed upon user devices. Second, wegiveacomprehensiveformalanalysisof GroupETP.Ouranalysis,conductedbyProVerif,requires someabstractionofthesystemandextensionstotheexistinganalysismethods. Theresultsshowthat GroupETP satisﬁes the desired properties – correctness, accountability and unlinkability.
Chen Xihui, Lenzini Gabriele, Mauw Sjouke, Pang Jun
Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications
Chen, X., Lenzini, G., Mauw, S., & Pang, J. (2013). Design and formal analysis of a group signature based electronic toll pricing system. Journal of Wireless Mobile Networks, Ubiquitous Computing, and Dependable Applications, 4(1), 55-75.
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