一个电子投递协议的改进  

Improvement of an Electronic Submission Protocol

作　　者：彭勋[1] 董荣胜[1] 郭云川[1] 蔡国永[1] 

机构地区：[1]桂林电子工业学院计算机系,桂林541004

出　　处：《计算机工程与应用》2004年第29期195-198,共4页Computer Engineering and Applications

基　　金：广西自然科学基金项目(编号:0229051)资助

摘　　要：电子商务协议需要满足一定的安全特性,其中一个特性是时限性。时限性是指协议中各个主体的行为必须在规定的时间范围内完成,而对于违反了时限要求的主体行为,这类协议都应能够追究该主体的时限责任。该文分析了Kudo提出的一个安全电子投递协议中的两个缺陷,并给出了改进后协议的时限责任证明。Electronic commerce protocol must satisfy some security properties.One of the properties for time-critical secure protocols is temporal accountability.This property requires all principals in the protocol to finish their tasks within a specified period and the protocol has the ability to figure out each individual's temporal accountability.Two flaws in an electronic submission protocol proposed by Kudo have been pointed out and corrected in this paper.At the end of this paper,a formal analysis of the improved protocol is also shown.

关 键 词：电子投递协议 时限性 时限责任 

分 类 号：TP393.04[自动化与计算机技术—计算机应用技术]