Secure proxy multi-signature scheme in standard model

Computer Engineering and Applications ›› 2012, Vol. 48 ›› Issue (23): 72-76.

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Secure proxy multi-signature scheme in standard model

CAO Feng1, CAO Zhenfu2

1.School of Mathematics and Information, Shanghai Lixin University of Commerce, Shanghai 201620, China
2.Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China

Online:2012-08-11 Published:2012-08-21

标准模型下安全的代理多重签名方案

曹锋1，曹珍富2

1.上海立信会计学院数学与信息学院，上海 201620
2.上海交通大学计算机科学与工程系，上海 200240

Abstract

Abstract: In general, in a proxy multi-signature scheme, a designated proxy signer can generate the signature on behalf of a group of original signers. Although many proxy multi-signature schemes have been proposed or improved in the last few years, the securities of all previous known proxy multi-signature schemes are based on the random oracle model or only heuristic analysis. Up to now, there is no provably secure proxy multi-signature scheme in the standard model. Based on the Waters’ signature scheme, it proposes the proxy multi-signature scheme whose security can be proven in the standard model.

Key words: proxy signature, multi-signature, proxy multi-signature, provably secure, standard model

摘要： 在一个代理多重签名方案中，一个被指定的代理签名人可以同时代表一群原始签名人生成一个有效的签名。这些年来，虽然已经提出了许多的代理多重签名方案及改进方案，但是这些已知方案的安全性都是基于启发式的分析或者是在随机预言机模型下安全的。到目前为止，还未有一个基于标准模型下安全的代理多重签名方案。基于Waters的签名方案，提出了一个在标准模型下可证安全的理多重签名方案。

关键词: 代理签名, 多重签名, 代理多重签名, 可证安全, 标准模型

CAO Feng1, CAO Zhenfu2. Secure proxy multi-signature scheme in standard model[J]. Computer Engineering and Applications, 2012, 48(23): 72-76.

曹锋1，曹珍富2. 标准模型下安全的代理多重签名方案[J]. 计算机工程与应用, 2012, 48(23): 72-76.

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Secure proxy multi-signature scheme in standard model

标准模型下安全的代理多重签名方案

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