| 一种新的标准模型下的门限签名方案 |
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| 引用本文： | 达青峰.一种新的标准模型下的门限签名方案[J].计算机工程与应用,2010,46(16):105-107. |
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| 作者姓名： | 达青峰 |
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| 作者单位： | 青海师范大学,计算机系,西宁,810008 |
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| 摘 要： | 针对徐静提出的门限签名方案，构造了一种合谋攻击．通过在部分签名中添加签名成员私有密钥的方法，基于Waters签名方案和Gennaro的分布式密钥生成协议，设计了一种新的无可信中心的门限签名方案。该方案能有效抵抗合谋攻击和伪造签名攻击．最后，对新方案进行了安全性和有效性分析。
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| 关 键 词： | 门限签名 无可信中心 合谋攻击 标准模型 |
| 收稿时间： | 2009-12-28 |
| 修稿时间： | 2010-3-24
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Novel threshold signature scheme in standard model |
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| DA Qing-feng.Novel threshold signature scheme in standard model[J].Computer Engineering and Applications,2010,46(16):105-107. |
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| Authors: | DA Qing-feng |
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| Affiliation: | DA Qing-feng Department of Computer Science,Qinghai Normal University,Xining 810008,China |
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| Abstract: | A conspiracy attack is presented against the threshold signature scheme proposed by XU Jing.By the means of introducing each group member＇s private key in the partial signature,a new threshold signature without trusted party is proposed and is provably secure in the standard model.This scheme is based on Waters signature scheme and Gennaro＇s distributed key generation protocol.The scheme can successfully resist conspiracy attacks and forgery attacks.Finally,security and efficiency are also analyzed. |
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| Keywords: | threshold signature without trusted party conspiracy attack standard model |
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