一种新的公平交换协议

doi:10.13190/jbupt.200605.63.zhangq

北京邮电大学学报 ›› 2006, Vol. 29 ›› Issue (5): 63-65.doi: 10.13190/jbupt.200605.63.zhangq

一种新的公平交换协议

张青, 温巧燕

北京邮电大学理学院, 北京 100876

收稿日期:2005-10-30 修回日期:1900-01-01 出版日期:2006-10-30 发布日期:2006-10-30
通讯作者: 张青

A New Fair-Exchange Protocol

ZHANG Qing, WEN Qiao-yan

School of Science ,Beijing University of Posts and Telecommunications,Beijing 100876,China

Received:2005-10-30 Revised:1900-01-01 Online:2006-10-30 Published:2006-10-30
Contact: ZHANG Qing

摘要/Abstract

摘要：

电子商务是Internet应用的发展趋势，它的基础之一是公平的交换协议。基于一种可转换的认证加密方法，设计出一种新的包含半可信第三方的公平交换协议。相对于现有的优化公平交换协议，新协议结构简单，通信量较低，同时具有保密性、公平性、不可否认性和时限性。

关键词: 公平交换, 半可信第三方, 可转换的认证加密

Abstract:

Electronic commerce is a main trend in Internet applications ,which should be based on fair exchange. A new fair exchange protocol with semi-trusted third party is proposed on the basis of a new convertible authenticated encryption scheme. Compared to the optimistic fair exchange protocols, the new protocol has a simpler structure and a lower communication overhead and the properties of privacy, faireness, non-repudiation and timeliness are satisfied.

Key words: fair-exchange, Semi-Trusted Third Party(STTP), convertible authenticated encryption

中图分类号:

TP309

张青, 温巧燕. 一种新的公平交换协议[J]. 北京邮电大学学报, 2006, 29(5): 63-65.

ZHANG Qing, WEN Qiao-yan. A New Fair-Exchange Protocol[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(5): 63-65.

一种新的公平交换协议

A New Fair-Exchange Protocol

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