标准模型下可证安全的动态短群签名方案

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东北大学学报(自然科学版) ›› 2013, Vol. 34 ›› Issue (8): 1073-1077.DOI: -

标准模型下可证安全的动态短群签名方案

王思飞¹，岳笑含¹，李宇溪¹，周福才^1,2

(1.东北大学信息科学与工程学院，辽宁沈阳110819；2.东北大学软件学院，辽宁沈阳110819)

收稿日期:2012-08-28 修回日期:2012-08-28 出版日期:2013-08-15 发布日期:2013-03-22
通讯作者: 王思飞
作者简介:王思飞(1982-)，男，吉林省吉林市人，东北大学博士研究生；周福才(1964-)，男，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
国家高技术研究发展计划项目(2009AA01Z122)；辽宁省“百千万人才工程”项目(2011921071);沈阳市自然科学基金资助项目(F12-277-1-41).

Dynamic Short Group Signatures with Provable Security in Standard Model

WANG Sifei¹， YUE Xiaohan¹， LI Yuxi¹， ZHOU Fucai^1,2

1. School of Information Science ＆ Engineering， Northeastern University， Shenyang 110819， China; 2. School of Software， Northeastern University， Shenyang 110819， China.

Received:2012-08-28 Revised:2012-08-28 Online:2013-08-15 Published:2013-03-22
Contact: ZHOU Fucai
About author:-
Supported by:
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摘要/Abstract

摘要： 目前的群签名方案在性能及安全性方面均不同程度存在问题，因此基于BSZ群签名模型提出了一种在标准模型下可证安全性的动态短群签名方案.利用子群判定假设、l-SDH假设以及Groth-Sahai证明系统构建了该方案，并在标准模型下给出了验证的安全性证明，证明提出的群签名方案具有匿名性、可追踪性和不可诬陷性.最后，分别在安全性及性能两个方面与其他群签名方案进行了比较，结果表明提出的群签名方案要优于其他方案.

关键词: 群签名, 标准模型, 匿名性, 可追踪性, 不可诬陷性

Abstract: The existing group signature schemes are unpractical to a certain extent in performance and security. A dynamic short group signature scheme with provable security in a standard model is thus proposed on the basis of the BSZ model. The subgroup decision assumptions (SDA)， lSDH assumptions and GrothSahai proof system are used to construct the scheme with security proved in the standard model. It is shown that the asproposed scheme meets anonymity， traceability and nonframeability. It is compared with other group signature schemes in performance and security， and the results show that our scheme outperforms those in these two aspects.

Key words: group signatures, standard model, anonymity, traceability, nonframeability

中图分类号:

TP3097

王思飞，岳笑含，李宇溪，周福才. 标准模型下可证安全的动态短群签名方案[J]. 东北大学学报(自然科学版), 2013, 34(8): 1073-1077.

WANG Sifei， YUE Xiaohan， LI Yuxi， ZHOU Fucai. Dynamic Short Group Signatures with Provable Security in Standard Model[J]. Journal of Northeastern University, 2013, 34(8): 1073-1077.

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标准模型下可证安全的动态短群签名方案

Dynamic Short Group Signatures with Provable Security in Standard Model

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