Cryptology ePrint Archive: Report 2003/117

An identity-based ring signature scheme from bilinear pairings

Chih-Yin Lin and Tzong-Chen Wu

Abstract: At the conference Asiacrypt 2001, Rivest, Shamir and Tauman firstly addressed the concept of ring signature. In this paper we propose an identity-based ring signature scheme from bilinear pairings. As compared with the Zhang-Kim scheme (presented at the conference Asiacrypt 2002), our scheme is more efficient in computation and requires fewer pairing operations.

Category / Keywords: cryptographic protocols / ring signature, identity-based, bilinear pairings.

Date: received 4 Jun 2003

Contact author: lincy at iim nctu edu tw

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Version: 20030606:150229 (All versions of this report)

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