| A New Dynamic Group Signature Scheme |
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| 作者姓名： | HE Yefeng |
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| 作者单位： | Department of Information and Control, Xi＇an Institute of Post and Telecommunications, Xi＇an 710121, Shaanxi, China |
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| 基金项目： | Supported by the Scientific Research Plan Project of the Education Department of Shaanxi Province （06JK197） |
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| 摘 要： | 0 IntroductionGroup signatures were introduced by Chaum and VanHeyst1]. Agroupsignature scheme allows any memberof a grouptosign messages on behalf of the group.Signaturescan be verified withthe group public key,but they do not re-veal theidentities of the signers .Incase of dispute,the groupmanager can open signatures to reveal the identities of thesigners .Groupsignatures have manyapplicationsinthe activi-ties of electronic politics and electronic commerce.After introduction of the concep…
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| 关 键 词： | 知识签名 团体签名 动态签名 信息安全 |
| 文章编号： | 1007-1202（2006）06-1693-04 |
| 收稿时间： | 2006-04-19 |
A new dynamic group signature scheme |
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| HE Yefeng.A New Dynamic Group Signature Scheme[J].Wuhan University Journal of Natural Sciences,2006,11(6):1693-1696. |
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| Authors: | He Yefeng |
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| Institution: | (1) Department of Information and Control, Xi'an Institute of Post and Telecommunications, 710121 Xi'an, Shaanxi, China |
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| Abstract: | In this paper, a new dynamic group signature scheme is proposed. It allows the group manager to increase or delete group members flexibly. Furthermore, the length of group signatures, as well as the computational effort for signing, verifying and opening are very small and independent of the number of group members and deleted group members. So it is efficient. |
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| Keywords: | signature of knowledge group signature dynamic group signature |
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