A New (t, n) Threshold Signature Scheme Withstanding the Conspiracy Attack

查看全文 作　　者：XIE Qi 1,2, YU Xiu-yuan 3 1.Department of Mathematics, Zhejiang University, Hangzhou 310027, Zhejiang,China;2.School of Information and Engineering, Hangzhou Teachers College, Hangzhou 310012, Zhejiang, China;3.Hangzhou Teachers College, Hangzhou 310012, Zhejiang, China

出　　处：《Wuhan University Journal of Natural Sciences》索引2005年第10卷第1期,共4页

基　　金：SupportedbytheNationalNaturalScienceFoundationofChina(10271037) 摘　　要：A conspiracy attack is proposed to show that Wang-Li’s scheme is insecure, because any t or more group members can impersonate other t members to sign any message without holding the responsibility. To avoid the conspiracy attack, this paper presents a new (t,n) threshold signature scheme with traceable signers. 关键词：域值签名协同攻击标识跟踪密钥群签名计算机安全

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A New (t, n) Threshold Signature Scheme Withstanding the Conspiracy Attack

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