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一种无证书签名方案的安全性分析及其改进 被引量：5

Security analysis and improvement of a certificateless signature scheme
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摘要 现在许多无证书签名方案过度依赖于密钥生成中心(KGC)的诚实性,所以当KGC失去诚信的时候这些方案也就失去了安全保证。通过对梁红梅等人(梁红梅,黄振杰.高效无证书签名方案的安全性分析与改进.计算机应用,2010,30(3):685-687)提出的无证书签名方案进行安全性分析,指出其方案不可抵抗消极不诚实KGC下的公钥替换攻击和积极不诚实的KGC攻击。针对该问题,采用由KGC生成用户公钥并公开的方法,对原方案进行了改进。安全性分析表明,改进后的方案可抵抗消极不诚实KGC下的公钥替换攻击,判别KGC的积极不诚实性行为和在随机预言机模型下可抵抗适应性选择消息攻击下的存在性伪造。 Nowadays,many centificateless signature schemes depend on the honesty of Key Generation Center（KGC） excessively,so they also lose security guarantees when the KGC is dishonest.By analyzing the security of the certificateless signature scheme proposed by Liang Hongmei et.al.in security analysis and improvement of efficient certificateless signature scheme publicated by Journal fo Computer Applications,2010,30（3）：685-687,where the authors pointed out that the scheme could not resist public key replacement attack under negative dishonest KGC and positive dishonest KGC＇s attacks.Aiming at these problems,the scheme was improved by the means that KGC generated the user＇s public key and made it public.The analysis of security shows that the improved scheme is able to resist public key replacement attack under negative dishonest KGC,thus successfully distinguishing the positive dishonesty of KGC,and resisting existential forgery on adaptively chosen message attack under the random oracle model.
作者 黄明军 杜伟章
机构地区 长沙理工大学计算机与通信工程学院
出处 《计算机应用》 CSCD 北大核心 2011年第6期1536-1538,共3页 journal of Computer Applications
关键词 双线性对 无证书签名 公钥替换攻击 计算性Diffie-Hellman问题 逆运算Diffie-Hellman问题 bilinear paring certificateless signature public key replacement attack Computational Diffie-Hellman Problem（CDHP） Inverse-Computational Diffie-Hellman Problem（Inv-CDHP）
分类号 TP309 [自动化与计算机技术—计算机系统结构]
  • 相关文献

参考文献10

  • 1AL-RIYAMI S S, PATERSON K G. Certificateless public key cryptography[ C]// Cryptology-Asiacrypt 2003, LNCS 2894. Berlin: Springer-Verlag, 2003: 452 - 473.
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  • 10梁红梅,黄振杰.高效无证书签名方案的安全性分析和改进[J].计算机应用,2010,30(3):685-687. 被引量：10

二级参考文献25

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共引文献16

同被引文献57

  • 1蔡晓秋,王天银,张建中.基于Schnorr签名体制的前向安全的代理签名方案[J].河南科技大学学报（自然科学版）,2005,26(4):33-36. 被引量：3
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  • 4Huang Xinyi, Mu Yi, Susilo W, et al. Certificateless Signature Revisited[C]//Proc. of ACISP’07. Berlin, Germany: Springer- Verlag, 2007: 308-322.
  • 5Wang Changji, Long Dongyang, Tang Yong. An Efficient Certificateless Signature from Pairings[J]. International Journal of Network Security, 2009, 8(1): 146-150.
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引证文献5

二级引证文献8

计算机应用
2011年 第6期

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