| 一种有效且安全的动态群签名方案 |
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| 引用本文： | 何业锋,张建中.一种有效且安全的动态群签名方案[J].软件学报,2005,16(4):609-615. |
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| 作者姓名： | 何业锋 张建中 |
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| 作者单位： | 1. 西安邮电学院,信息与控制系,陕西,西安,710061;陕西师范大学,数学与信息科学学院,陕西,西安,710062
2. 陕西师范大学,数学与信息科学学院,陕西,西安,710062 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under GrantNo.10271069(国家自然科学基金);the Natural Science Research Program of Shaanxi Province of China under Grant No.2002A03(陕西省自然科学研究计划);the Open Subject for Computer Network andInformation Security Key Laboratory ofMinistry ofEducationof China(计算机网络与信息安全教育部重点实验室开放课题资助项目) |
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| 摘 要： | 为了提高群签名的效率,利用ELGamal加密和知识签名提出了一个有效且安全的动态群签名方案.该方案可以灵活地增加和删除群成员.并且签名长度以及签名与验证的工作量均独立于群成员与已删除群成员的数.
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| 关 键 词： | 知识签名 离散对数的e次根 群签名 动态群签名 抵抗联合攻击 |
| 文章编号： | 1000/9825/2005/16(04)0609 |
| 收稿时间： | 2003/9/23 0:00:00 |
| 修稿时间： | 2003年9月23日 |
An Efficient and Secure Dynamic Group Signature Scheme |
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| HE Ye-Feng and ZHANG Jian-Zhong.An Efficient and Secure Dynamic Group Signature Scheme[J].Journal of Software,2005,16(4):609-615. |
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| Authors: | HE Ye-Feng and ZHANG Jian-Zhong |
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| Abstract: | To improve the efficiency of group signature, an efficient and secure dynamic group signature scheme is proposed based on the ELGamal encryption and signature of knowledge. It allows the group manager to add new members or delete old members freely. Furthermore, the length of the signature and the computational effort for signing and verifying are independent of the number of the group members and the deleted group members. So it may have many practical applications in e-commerce and military. |
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| Keywords: | signature of knowledge e-th root of discrete logarithm group signature dynamic group signature coalition-resistance |
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