Ticket-based service access scheme for mobile users
ACSC '02 Proceedings of the twenty-fifth Australasian conference on Computer science - Volume 4
A flexible payment scheme and its permission-role assignment
ACSC '03 Proceedings of the 26th Australasian computer science conference - Volume 16
ADC '03 Proceedings of the 14th Australasian database conference - Volume 17
A Global Ticket-Based Access Scheme for Mobile Users
Information Systems Frontiers
Anonymous access scheme for electronic-services
ACSC '04 Proceedings of the 27th Australasian conference on Computer science - Volume 26
A Flexible Payment Scheme and Its Role-Based Access Control
IEEE Transactions on Knowledge and Data Engineering
Authorization algorithms for the mobility of user-role relationship
ACSC '05 Proceedings of the Twenty-eighth Australasian conference on Computer Science - Volume 38
Ticket-based mobile commerce system and its implementation
Proceedings of the 2nd ACM international workshop on Quality of service & security for wireless and mobile networks
Advanced Permission-Role Relationship in Role-Based Access Control
ACISP '08 Proceedings of the 13th Australasian conference on Information Security and Privacy
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This paper proposes a secure, scalable anonymity and practical payment protocol for Internet purchases. The protocol uses electronic cash for payment transactions. In this new protocol, from the viewpoint of banks, consumers can improve anonymity if they are worried about disclosure of their identities. An agent provides a higher anonymous certificate and improves the security of the consumers. The agent will certify re-encrypted data after verifying the validity of the content from consumers, but with no private information of the consumers required. With this new method, each consumer can get the required anonymity level, depending on the available time, computation and cost.We also analyse how to prevent a consumer from spending a coin more than once and how to use the proposed protocol for Internet purchases. After comparing with another scheme and discussing the properties of the new payment protocol, the new method will be proved that it is more efficient and can prevent from eavesdropping, tampering and ``perfect crime" effectively. It is promising for electronic trades through the Internet.