An efficient conic curve threshold digital signature

Authors:
Xinxia Song;Zhigang Chen
Affiliations:
Zhejiang Wanli University, Ningbo, China;Zhejiang Wanli University, Ningbo, China
Venue:
CISST'09 Proceedings of the 3rd WSEAS international conference on Circuits, systems, signal and telecommunications
Year:
2009

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Abstract

We propose a new threshold signature scheme based on conic curve. The security of the proposed threshold signature scheme is based on the difficulty of computing the DLP in conic curve groups. It can resist some of the known attacks. Since an exciting characteristic of conic is both encoding and decoding over conic are easily implemented, it can be used in the mobile payment system with the limited bandwidth.