| 高效的可证明安全的无证书聚合签名方案 |
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| 引用本文： | 杜红珍,黄梅娟,温巧燕. 高效的可证明安全的无证书聚合签名方案[J]. 电子学报, 2013, 41(1): 72-76. DOI: 10.3969/j.issn.0372-2112.2013.01.014 |
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| 作者姓名： | 杜红珍 黄梅娟 温巧燕 |
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| 作者单位： | 1. 宝鸡文理学院数学系,陕西宝鸡,721013
2. 北京邮电大学网络与交换技术国家重点实验室,北京,100876 |
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| 基金项目： | 国家自然科学基金(No.61170270);陕西省自然科学基础基金(No.2010JQ8027);陕西省教育厅科学研究基金(No.12JK1003) |
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| 摘 要： | 利用双线性对构造了一个高效的无证书聚合签名方案,在随机预言机模型下给出了方案的安全性证明,其安全性基于计算Diffie-Hellman难题.与已有的无证书聚合签名方案相比,本文方案更能提高签名验证与传输效率,因聚合签名的验证只需要计算4个双线性对,签名的长度是固定的,仅有320bits,是目前最短的无证书聚合签名.
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| 关 键 词： | 无证书公钥密码体制 聚合签名 计算Diffie-Hellman难题 双线性对 |
| 收稿时间： | 2011-12-28 |
Efficient and Provably-Secure Certificateless Aggregate Signature Scheme |
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| DU Hong-zhen , HUANG Mei-juan , WEN Qiao-yan. Efficient and Provably-Secure Certificateless Aggregate Signature Scheme[J]. Acta Electronica Sinica, 2013, 41(1): 72-76. DOI: 10.3969/j.issn.0372-2112.2013.01.014 |
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| Authors: | DU Hong-zhen HUANG Mei-juan WEN Qiao-yan |
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| Affiliation: | 1.Department of Mathematics,Baoji University of Arts and Sciences,Baoji,Shaanxi 721013,China;2.State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications,Beijing 100876,China) |
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| Abstract: | This paper proposes an efficient certificateless aggregate signature scheme from bilinear pairings.Its security proof is given in the random oracle model and it can be reduced to computational Diffie-Hellman problem.Compared with the existing certificateless aggregate signature schemes,our scheme drastically improves the efficiency of signature communication and verification since the verification algorithm only requires 4 pairings,and the length of the signature generated by our scheme is only about 320 bits,which is the shortest certificateless aggregate signature. |
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| Keywords: | certificateless public key cryptography aggregate signature computational Diffie-Hellman problem bilinear pairings |
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