北京航空航天大学学报 ›› 2001, Vol. 27 ›› Issue (2): 182-185.

• 论文 • 上一篇    下一篇

一种双方不可否认的密码协议及应用

李先贤, 怀进鹏   

  1. 北京航空航天大学 计算机科学与工程系
  • 收稿日期:1999-12-10 出版日期:2001-02-28 发布日期:2010-09-27
  • 作者简介:李先贤(1969-),男,广西桂林人,博士生,100083,北京.
  • 基金资助:

    国家自然科学基金资助项目(60073006); 国家"八六三"高技术计划资助项目(863-306-02-01)

Undeniable Cryptographic Protocol for Both Sender and Receiver and Its Applications

LI Xian-xian, HUAI Jin-peng   

  1. Beijing University of Aeronautics and Astronautics, Dept. of Computer Science and Engineering
  • Received:1999-12-10 Online:2001-02-28 Published:2010-09-27

摘要: 在数据通信中,数字签名技术保证了数据发送不可否认性和数据完整性,而接收数据的不可否认性在安全通信中也是极为重要的.近年来,实现这类型的密码协议主要是通过可信第三方参与数据的加密与传送,因而可信第三方的可靠性和安全性是系统性能的瓶颈.文中提出了一个双方不可否认的密码协议,这个协议解决了可信第三方的性能瓶颈问题,是一个更有效率的密码协议,最后探讨了它在电子邮件中的应用.

Abstract: In data communications, digital signature schemes have been used to ensure non-repudiation of sending data and the integrality of data, and non-repudiation of receiving data is also very important in the secure communication. In the past years, this kind of cryptographic protocols was mainly implemented by the intervention of the trusted third party in transmission and encryption of data, thus the dependability and security of the trusted third party was a bottleneck in these secure systems. To solve this problem, an undeniable cryptographic protocol for both sender and receiver is proposed. It is more efficient. Finally, its applications in electric mail are discussed.

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