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
PrETP: privacy-preserving electronic toll pricing
USENIX Security'10 Proceedings of the 19th USENIX conference on Security
Cell-based privacy-friendly roadpricing
Computers & Mathematics with Applications
ZQL: a compiler for privacy-preserving data processing
SEC'13 Proceedings of the 22nd USENIX conference on Security
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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 contains a secure element that is made aware of these check cells and helps the pricing authorities to monitor the user. 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.