计算机工程与应用 ›› 2009, Vol. 45 ›› Issue (4): 102-104.DOI: 10.3778/j.issn.1002-8331.2009.04.028

• 网络、通信、安全 • 上一篇    下一篇

Kim公平非否认协议的改进

潘 菊,朱建明   

  1. 中央财经大学 信息学院,北京 100081
  • 收稿日期:2008-09-17 修回日期:2008-11-21 出版日期:2009-02-01 发布日期:2009-02-01
  • 通讯作者: 潘 菊

Improvement of Kim’s fair non-repudiation protocol

PAN Ju,ZHU Jian-ming   

  1. School of Information,Central University of Finance and Economics,Beijing 100081,China
  • Received:2008-09-17 Revised:2008-11-21 Online:2009-02-01 Published:2009-02-01
  • Contact: PAN Ju

摘要: 在介绍Kim公平非否认协议的基础上,分析了LSG协议,指出协议中存在因消息重放而导致不公平的情况,提出了一个改进后的协议,并用新的Kailar逻辑对新协议的公平性和可追究性进行了分析。

Abstract: On the basis of illustrating the Kim’s fair non-repudiation protocol,the LSG’s protocol is analyzed and the unfairness caused by replay attack is pointed,then a new improvement of Kim’s protocol is presented and the fairness and accountability is analyzed by the new Kailar logic.