Multi-signers Strong Designated Verifier Signature Scheme

Authors:
Yaling Zhang;Jing Zhang;Yikun Zhang
Affiliations:
-;-;-
Venue:
SNPD '08 Proceedings of the 2008 Ninth ACIS International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing
Year:
2008

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Certificateless strong designated verifier multisignature scheme using bilinear pairings

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Abstract

Designated Verifier Signature (DVS) does not provide non-repudiation property of traditional digital signatures. Multi-Signers Strong Designated Verifier Signature (MS-SDVS) scheme is required in some cases for the privacy consideration. In this paper the definition and security model of MS-SDVS scheme are presented, and a concrete MS-SDVS scheme is proposed from bilinear pairing. The proposed scheme has the property of non-transferability and unforgeability in the random oracle model under the assumption of the Bilinear Computational Diffie-Hellman problem (BCDH). This is the first MS-SDVS scheme. The signature length of the proposed scheme is independent of the number of signers, and the proposed scheme can be modified to a multi-signature scheme.