| A SECURE THRESHOLD GROUP SIGNATURE SCHEME |
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| 作者姓名： | WangXiaoming FuFangwei |
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| 作者单位： | [1]CollegeofAutomatic,QingdaoUniversity,Qingdao266071 [2]SchoolofMathematicsScience,NankaiUniversity,Tianjin300071 |
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| 基金项目： | Supported in part by the National Natural Science Foundation of China under the Grant 60172060 |
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| 摘 要： | The threshold group signature is an important kind of signature. So far, many threshold group signature schemes have been proposed, but most of them suffer from conspiracy attack and are insecure. In this paper, a secure threshold group signature scheme is proposed.It can not only satisfy the properties of the threshold group signature, but also withstand the conspiracy attack.
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| 关 键 词： | 数字签名 密码学 图像阀值 协同攻击 |
| 收稿时间： | 16 April 2002 |
A secure threshold group signature scheme |
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| WangXiaoming FuFangwei.A SECURE THRESHOLD GROUP SIGNATURE SCHEME[J].Journal of Electronics,2003,20(4):274-278. |
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| Authors: | Wang Xiaoming Fu Fangwei |
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| Affiliation: | 1. School of Mathematics Science, Nankei University, Tianjin 300071;College of Automatic, Qingdao University, Qingdao 266071
2. College of Automatic, Qingdao University, Qingdao 266071 |
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| Abstract: | The threshold group signature is an important kind of signature. So far, many threshold group signature schemes have been proposed, but most of them suffer from conspiracy attack and are insecure. In this paper, a secure threshold group signature scheme is proposed. It can not only satisfy the properties of the threshold group signature, but also withstand the conspiracy attack. |
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| Keywords: | Cryptography Digital signature Threshold signature Conspiracy attack |
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