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DOI:
Journal of Software:2009.20(3):692-701

可证安全的无证书代理签名方案
陈虎,张福泰,宋如顺
(南京师范大学 数学与计算机科学学院,江苏 南京 210097)
Certificateless Proxy Signature Scheme with Provable Security
CHEN Hu,ZHANG Fu-Tai,SONG Ru-Shun
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Received:May 13, 2008    Revised:October 27, 2008
> 中文摘要: 研究在新提出的无证书公钥密码系统下的代理签名问题,给出了无证书代理签名方案非常强的安全模型.该安全模型下的攻击者是能力最强的超级类型I 和类型II 攻击者.同时,利用双线性映射设计了一个高效的无证书代理签名方案.其安全性基于计算Diffie-Hellman 问题的困难性,并在此安全模型下给出正式的安全证明. 鉴于方案的安全、高效和无证书管理的优点,它可广泛应用于电子商务、移动代理系统等方面.
Abstract:This paper studies proxy signatures in the newly proposed certificateless public key setting. The authorspresent a very strong security model for certificateless proxy signature schemes against both Super Type IAdversary and Super Type II Adversary. And also an efficient construction of certificateless proxy signature schemeusing bilinear maps is put forward. The security of this scheme is based on the infeasibility of the ComputationalDiffie-Hellman problem and is formally proven under the security model of certificateless proxy signature schemes.Due to its security, high efficiency and freedom from certificate management, it may have practical applications inelectronic commerce and mobile agent systems, etc.
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基金项目:Supported by the National Natural Science Foundation of China under Grant No.60673070 (国家自然科学基金); the NaturalScience Foundation of Jiangsu Province of China under Grant No.BK2006217 (江苏省自然科学基金) Supported by the National Natural Science Foundation of China under Grant No.60673070 (国家自然科学基金); the NaturalScience Foundation of Jiangsu Province of China under Grant No.BK2006217 (江苏省自然科学基金)
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陈虎,张福泰,宋如顺.可证安全的无证书代理签名方案.软件学报,2009,20(3):692-701

CHEN Hu,ZHANG Fu-Tai,SONG Ru-Shun.Certificateless Proxy Signature Scheme with Provable Security.Journal of Software,2009,20(3):692-701