作者投稿和查稿 主编审稿 专家审稿 编委审稿 远程编辑

计算机工程 ›› 2010, Vol. 36 ›› Issue (16): 124-125. doi: 10.3969/j.issn.1000-3428.2010.16.045

• 安全技术 • 上一篇    下一篇

基于ECC的自认证广义指定验证者签密

俞惠芳1,王彩芬2,王之仓1   

  1. (1. 青海师范大学计算机学院,西宁 810008;2. 西北师范大学数学与信息科学学院,兰州 730070)
  • 出版日期:2010-08-20 发布日期:2010-08-17
  • 作者简介:俞惠芳(1972-),女,副教授、硕士,主研方向:信息安全,密码学;王彩芬,教授、博士生导师;王之仓,副教授、硕士
  • 基金资助:
    国家自然科学基金资助项目(60863006);教育部科学技术研究基金资助重点项目(208148);青海省科技厅软课题基金资助项目(2008-Z-620)

Self-certified Universal Designated-Verifier Signcryption Based on Elliptic Curve Cryptosystem

YU Hui-fang1, WANG Cai-fen2, WANG Zhi-cang1   

  1. (1. College of Computer, Qinghai Normal University, Xining 810008; 2. College of Mathematics and Information Science, Northwest Normal University, Lanzhou 730070)
  • Online:2010-08-20 Published:2010-08-17

摘要: 广义指定验证者签名允许签名的持有者指定签名给指定的验证者,但仅有指定的验证者能够验证这个签名,针对该问题,利用椭圆曲线密码体制(ECC)和自认证签密的特点,提出一个基于ECC的自认证广义指定验证者签密。该方案不仅消除了证书存在问题和密钥托管问题,而且具有算法复杂度低、处理速度快、存储空间占用小等特点,适合应用于电子投票、电子拍卖等领域。

关键词: 自认证签密, 广义指定验证者签名, 椭圆曲线密码体制

Abstract: Universal designated-verifier signature allows a signature holder to designate the signature to a desire designated-verifier, in such a way only the designated verifier can verify this signature. Using the merits of Elliptic Curve Cryptosystem(ECC) and self-certified signcryption, a new self-certified universal designated-verifier signcryption based on ECC is presented. The scheme eliminates certificate existence problem and key escrow problem. It has low algorithm complexity, quick proceeding speed and little storage space, so it is propitious to applications in E-vote and E-auction.

Key words: self-certified signcryption, universal designated-verifier signature, Elliptic Curve Cryptosystem(ECC)

中图分类号: