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改进的基于身份无可信中心的代理签名 被引量：2

Improved ID-based proxy signature without a trusted party
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摘要 根据基于身份无可信中心签名的性质,证明了已有的基于身份无可信中心的代理签名方案是不安全的,不能抵抗PKG的伪造攻击.不诚实的PKG可以伪造用户的授权签名和代理密钥,用伪造的授权签名生成消息的代理签名.对原有方案加以改进,提出了一种新的能够抵抗PKG伪造攻击的签名方案.分析表明,该方案不仅能满足代理签名所要求的所有性质,而且其效率也优于已有方案. The proposed ID based proxy signature without trusted party is proved insecure by using the property of ID-based signature scheme without trusted PKG, it can not resist forgery attack. A dishonest PKG can forge a warrant signature and proxy signing key, then the PKG can successfully counterfeit original signer, and make the proxy signer to sign message for him. By improving the original scheme, a new scheme is proposed, which can withstand the forgery attack of untrusting PKG. The testing results show that our new proxy signature scheme is more efficient.
作者 樊睿 王彩芬
机构地区 西北师范大学数学与信息科学学院
出处 《西北师范大学学报（自然科学版）》 CAS 2008年第2期40-43,56,共5页 Journal of Northwest Normal University(Natural Science)
基金 甘肃省自然科学基金资助项目(3ZS051-A25-042) 甘肃省科技攻关项目(2GS064-A52-035-03) 西北师范大学学生学术科研资助金资助项目
关键词 代理签名 基于身份 不可信PKG BDH问题 proxy signature ID-based untrusting PKG bilinear Diffie-Hellman problem
分类号 TN918.1 [电子电信—通信与信息系统]
  • 相关文献

参考文献9

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二级参考文献7

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共引文献6

同被引文献31

  • 1向新银,王晓峰,王尚平,林婷婷,王娟.新的基于身份的强指定验证者代理签名方案[J].计算机工程与应用,2007,43(1):130-131. 被引量：4
  • 2张学军,王育民.新的基于身份无可信中心的盲签名和代理签名[J].计算机工程与应用,2007,43(1):142-144. 被引量：12
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  • 10XU JING, ZHANG ZHEN-FENG, FENG DENG-GUO. ID-based proxy signature using bilinear pairings [ C]// International Workshop on Information Assurance in Distributed Systems, LNCS 3759. Berlin: Springer-Verlag, 2005:359-367.

引证文献2

二级引证文献1

西北师范大学学报（自然科学版）
2008年 第2期

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