A proxy-protected signature scheme based on conic

Authors:
Rongxing Lu;Zhenfu Cao
Affiliations:
Shanghai Jiao Tong University, Shanghai, P. R. China;Shanghai Jiao Tong University, Shanghai, P. R. China
Venue:
InfoSecu '04 Proceedings of the 3rd international conference on Information security
Year:
2004

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Abstract

Recently, proxy signature, as a special digital signature, has received a significant attention and has been extensively researched in the cryptographic community. Many excellent proxy signature schemes have been proposed. In this paper, based on conic, we would like to propose a new proxy-protected signature scheme. The proposed scheme is derived from the Schnorr signature, and its security is based on the discrete logarithm problem over conic.