Identity-Based universal designated verifier signatures

Authors:
Fangguo Zhang;Willy Susilo;Yi Mu;Xiaofeng Chen
Affiliations:
Department of Electronics and Communication Engineering, Sun Yat-sen University, Guangzhou, P.R. China;School of Information Technology and Computer Science, University of Wollongong, Australia;School of Information Technology and Computer Science, University of Wollongong, Australia;Department of Computer Science, Sun Yat-sen University, Guangzhou, P.R. China
Venue:
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Year:
2005

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Abstract

The notion of Universal Designated Verifier Signatures (UDVS) was introduced in the seminal paper of Steinfeld et. al. in [6]. In this paper, we firstly propose a model of identity-based (ID-based) UDVS schemes. We note that there are two methods to achieve an ID-based UDVS scheme. We provide two constructions of ID-based UDVS schemes based on bilinear pairings that use the two methods that we have identified. We provide our security proof based on the random oracle model.