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一种基于二次剩余的群签名方案
引用本文:王峰.一种基于二次剩余的群签名方案[J].计算机与现代化,2012(3):82-84,88.
作者姓名:王峰
作者单位:福建工程学院数理系
基金项目:福建省教育厅基金资助项目(JB11120);福建工程学院科研发展基金项目(GY-Z09082)
摘    要:群签名以其广泛的应用受到人们的普遍关注,然而,很多已有方案中群成员的动态加入算法复杂。本文首先分析了柴震川等提出的利用二次剩余构造的基于身份的签名方案和文献1]的改进方案,指出改进方案不是可证明安全的签名方案,并利用已有的转换方法,将柴震川等提出的签名方案转化为群签名方案,可有效解决群签名中群成员动态加入问题。

关 键 词:二次剩余  群签名  基于身份签名

Group Signature Scheme Based on Quadratic Residues
WANG Feng.Group Signature Scheme Based on Quadratic Residues[J].Computer and Modernization,2012(3):82-84,88.
Authors:WANG Feng
Affiliation:WANG Feng(Department of Mathematics and Physics,Fujian University of Technology,Fuzhou 350108,China)
Abstract:Group signature has been positive regarded for its wide application,however,dynamic member joining algorithm is complex yet in many of the existing schemes.This paper analyzes the identity-based signature scheme based on quadratic residues proposed by Chai et al and the improvement scheme of literature 1],and shows that the improvement scheme is not provable security.This paper also presents a group signature scheme using the scheme proposed by Chai et al and existing converting method.The scheme can effectively solve the dynamic member joining of group signature effectively.
Keywords:quadratic residues  group signature  identity based signature
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