A User-Centric Protocol for Conditional Anonymity Revocation

Authors:
Suriadi Suriadi;Ernest Foo;Jason Smith
Affiliations:
Information Security Institute, Queensland University of Technology, Brisbane, Australia QLD 4001;Information Security Institute, Queensland University of Technology, Brisbane, Australia QLD 4001;Information Security Institute, Queensland University of Technology, Brisbane, Australia QLD 4001
Venue:
TrustBus '08 Proceedings of the 5th international conference on Trust, Privacy and Security in Digital Business
Year:
2008

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Abstract

This paper presents and evaluates an improved anonymity revocation protocol. This protocol can be used to strengthen anonymity revocation capability in a privacy-enhancing identity management system. This protocol is user-centric, abuse-resistant, and it provides enforceable conditions fulfillment. We assume the existence of 1 honest referee out of tdesignated referees (t 1) chosen by users, and no collusion between users and referees. The security and performance of this protocol are evaluated.