Efficient designated confirmer signature from bilinear pairings

Authors:
Fangguo Zhang;Xiaofeng Chen;Baodian Wei
Affiliations:
Sun Yat-Sen University, Guangzhou, P. R. China;Sun Yat-Sen University, Guangzhou, P. R. China;Sun Yat-Sen University, Guangzhou, P. R. China
Venue:
Proceedings of the 2008 ACM symposium on Information, computer and communications security
Year:
2008

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Information Sciences: an International Journal

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Abstract

Designated confirmer signature is an important cryptographic primitive, it is widely used in E-commerce. In this paper, we propose a new designated confirmer signature scheme which is transformed from a new signature scheme. The proposed scheme has very simple construction and is much more efficient than the previous ones and does not need any commitment scheme or strong witness hiding proofs.