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一种安全的门限群签名方案及椭圆曲线上的实现 被引量：2

A Secure Threshold Group Signature Scheme and Its Implementation on the Elliptic Curve
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摘要 设计一个性能优良的门限群签名方案是当前密码学中的一个公开问题。本文基于椭圆曲线离散对数的难解性,提出了一种安全的、性能比较优良的门限群签名方案。该方案采用分散群秘密到所有成员的思想,使得参与群签名的成员只能共享群秘密的一部分,从而有效地防止了参与者的合谋攻击。 It is an open problem to contrive a good threshold group signature scheme. Firstly, some weaknesses of a dynamic threshold group signature scheme are analyzed in this paper. And then a secure threshold group signature scheme based on the elliptic curve is proposed. All the members share the group secret. Any subgroup shares one shadow and the sum of all the shadows is the group secret. So it can withstand conspiracy attacks effectively.
作者 杨建喜 刘东
机构地区 重庆交通大学计算机与信息学院
出处 《计算机工程与科学》 CSCD 北大核心 2009年第2期17-19,共3页 Computer Engineering & Science
关键词 群签名 门限群签名 椭圆曲线离散对数 合谋攻击 group signatures threshold group signature elliptic curve discrete logarithm conspiracy attack
分类号 TP309.2 [自动化与计算机技术—计算机系统结构]
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参考文献14

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共引文献185

同被引文献18

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计算机工程与科学
2009年 第2期

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