A digital signature scheme secure against adaptive chosen-message attacks
SIAM Journal on Computing - Special issue on cryptography
Wallet Databases with Observers
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
Privacy-Friendly Electronic Traffic Pricing via Commits
Formal Aspects in Security and Trust
VPriv: protecting privacy in location-based vehicular services
SSYM'09 Proceedings of the 18th conference on USENIX security symposium
PriPAYD: Privacy-Friendly Pay-As-You-Drive Insurance
IEEE Transactions on Dependable and Secure Computing
EuroPKI'11 Proceedings of the 8th European conference on Public Key Infrastructures, Services, and Applications
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This paper proposes a new approach to electronic roadpricing, based on a division of the roadpricing area into cells, each with their own fee. Some of the cells are secretly marked as check cells. On-board equipment in each vehicle contains a secure element that is made aware of these check cells and helps the pricing authorities to monitor the vehicle's whereabouts in a privacy-friendly manner. This approach is not only original but it also improves upon earlier approaches since it solves issues regarding positioning accuracy, collusion between different users, and the required level of interaction. Moreover, with slight modification this cell-based roadpricing can also be used for automatic handling of parking charges.