| 一种基于证书的代理环签名方案 |
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| 引用本文： | 陈辉焱,李巍,苏艳芳.一种基于证书的代理环签名方案[J].计算机工程,2012,38(16):149-152. |
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| 作者姓名： | 陈辉焱 李巍 苏艳芳 |
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| 作者单位： | 北京电子科技学院信息安全系;西安电子科技大学通信工程学院 |
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| 摘 要： | 针对基于身份的代理环签名方案中的密钥托管和私钥分发问题，提出一种基于证书的代理环签名方案。在随机预言模型中分析证明该方案具有正确性、不可伪造性、无条件匿名性和不可分辨性。与现有方案相比，该方案中的双线性对运算开销由O(n)降到了O(1)，效率得到了提高。
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| 关 键 词： | 代理环签名 双线性对 密钥托管 私钥分发 随机预言模型 |
| 收稿时间： | 2011-09-05 |
| 修稿时间： | 2011-11-19 |
Certificate-based Proxy Ring Signature Scheme |
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| CHEN Hui-yan,LI Wei,SU Yan-fang.Certificate-based Proxy Ring Signature Scheme[J].Computer Engineering,2012,38(16):149-152. |
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| Authors: | CHEN Hui-yan LI Wei SU Yan-fang |
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| Affiliation: | 1.Department of Information Security,Beijing Electronic Science and Technology Institute,Beijing 100070,China;2.College of Communication Engineering,Xidian University,Xi’an 710071,China) |
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| Abstract: | This paper proposes a new Certificate-based Proxy Ring Signature(CB-PRS) scheme against the problems of key escrow and private key distribution existing in the ID-based proxy ring signature scheme.It analyzes and concludes that the scheme possesses the properties of correctness,unforgeability,unconditional anonymity and indistinguishability in random oracle model.Compared with the existing schemes,the scheme has higher efficiency because the bilinear operation makes the computational complexity reduced to O(1) from O(n). |
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| Keywords: | proxy ring signature bilinear pairings key escrow private key distribution random oracle model |
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