New membership revocation scheme in FI05 group signature

doi:10.3778/j.issn.1002-8331.2008.24.040

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (24): 136-138.DOI: 10.3778/j.issn.1002-8331.2008.24.040

• 网络、通信、安全 • Previous Articles Next Articles

New membership revocation scheme in FI05 group signature

ZHU Jun-jie,LI Qiao-liang

School of Computer and Communication，Hunan University，Changsha 410082，China

Received:2007-10-30 Revised:2008-01-17 Online:2008-08-21 Published:2008-08-21
Contact: ZHU Jun-jie

FI05群签名方案中一种新的成员撤销方案

朱俊杰,李乔良

湖南大学计算机与通信学院，长沙 410082

通讯作者: 朱俊杰

Abstract

Abstract: A new membership revocation method based on the FI05 group scheme is provided.The new scheme is implemented by a new dynamic accumulator.The security of the accumulator is based on the elliptic-curve discrete logarithm problem，and is proved.The cost of revoking a member and updating witness is smaller than the previous accumulators.The security of the new group signature scheme is proved.

Key words: group signature, dynamic accumulator, membership revocation

摘要： 在FI05群签名的基础上，提出了一个新的成员撤销方案。该方案是利用一个新的动态累加器来实现的。累加器的安全性是基于椭圆曲线离散对数问题，并已被证明。撤销一个成员和更新证据所花费的代价比以前的累加器更小，而且证明了新的群签名的安全性。

关键词: 群签名, 动态累加器, 成员撤销

ZHU Jun-jie,LI Qiao-liang. New membership revocation scheme in FI05 group signature[J]. Computer Engineering and Applications, 2008, 44(24): 136-138.

朱俊杰,李乔良. FI05群签名方案中一种新的成员撤销方案[J]. 计算机工程与应用, 2008, 44(24): 136-138.

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New membership revocation scheme in FI05 group signature

FI05群签名方案中一种新的成员撤销方案

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