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基于椭圆曲线含有效期的离线电子现金系统

鲁荣波 苏杭丽 何大可 缪祥华

鲁荣波, 苏杭丽, 何大可, 缪祥华. 基于椭圆曲线含有效期的离线电子现金系统[J]. 西南交通大学学报, 2006, 19(3): 314-318.
引用本文: 鲁荣波, 苏杭丽, 何大可, 缪祥华. 基于椭圆曲线含有效期的离线电子现金系统[J]. 西南交通大学学报, 2006, 19(3): 314-318.
LU Rongbo, SU Hangli, HE Dake, MIAO Xianghua. Offline E-cash System with Finite Circulation Period Based on Elliptic Curve[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 314-318.
Citation: LU Rongbo, SU Hangli, HE Dake, MIAO Xianghua. Offline E-cash System with Finite Circulation Period Based on Elliptic Curve[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 314-318.

基于椭圆曲线含有效期的离线电子现金系统

基金项目: 

湖南省自然科学基金资助项目(03JJY6017)

湖南省教育厅资助项目(03c327)

详细信息
    作者简介:

    鲁荣波(1970- ),男,副教授,博士研究生,主要研究方向为应用密码学、认证理论与电子支付,E-mail:lurongbo8563@163.com

Offline E-cash System with Finite Circulation Period Based on Elliptic Curve

  • 摘要: 为防止电子现金重复花费和数据库记录无限制的膨胀问题,改进了现有的利用椭圆曲线密码系统构造的离线电子现金系统.改进的系统利用了椭圆曲线良好的密码特性,并采用零知识证明方法.在取款协议中采用基于椭圆曲线的部分盲签名方案,使电子现金包含由银行颁布的有效期,超过有效期的电子现金历史记录将被清除,这样减少了通信量和计算量,提高了执行效率.在支付协议中采用并行的椭圆曲线零知识证明,提高了系统的安全性.

     

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出版历程
  • 收稿日期:  2004-12-02
  • 刊出日期:  2006-06-25

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