Communications of the ACM
An authorization model for a public key management service
ACM Transactions on Information and System Security (TISSEC)
Adaptive Security in the Threshold Setting: From Cryptosystems to Signature Schemes
ASIACRYPT '01 Proceedings of the 7th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
A Community Authorization Service for Group Collaboration
POLICY '02 Proceedings of the 3rd International Workshop on Policies for Distributed Systems and Networks (POLICY'02)
A Security Improved OpenSST Prototype Combining with Smart Card
ICCNMC '03 Proceedings of the 2003 International Conference on Computer Networks and Mobile Computing
Study on security based on PKI for e-commerce of statistics information system
ICEC '05 Proceedings of the 7th international conference on Electronic commerce
CEC '05 Proceedings of the Seventh IEEE International Conference on E-Commerce Technology
An efficient threshold public key cryptosystem secure against adaptive chosen ciphertext attack
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
A smart-card-enabled privacy preserving E-prescription system
IEEE Transactions on Information Technology in Biomedicine
An electronic and secure automatic fare collection system with revocable anonymity for users
Proceedings of the 8th International Conference on Advances in Mobile Computing and Multimedia
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The advances in technology have enabled us to share information, process data transactions, and enhance collaborations with relevant entities effectively. Its unparalleled adoption in both the public and private sectors is raising heightened concerns, particularly in the areas of the collection and management of personal information. The use of personal information can provide great benefits, including improved services for customers and increased revenues and decreased costs for businesses. However, it has also raised important issues such as the misuse of their personal information and loss of privacy. In this paper, we propose a framework to preserve privacy in new Public Metro Transit Systems that incorporates smartcard-based payment systems. The proposed framework leverages cryptographic protocols and an innovative privacy model to ensure the protection of privacy information of the cardholders. We also overview our system architecture for the proposed framework including case learned.