一种基于代理签名的移动代理安全交易研究  

Study of Secure Transactions for Mobile Agent Based on Proxy Signature

作　　者：邓芳[1] 谷利泽[2] 

机构地区：[1]北京邮电大学计算机科学与技术学院智能通信软件与多媒体北京重点实验室,北京100876 [2]北京邮电大学信息安全中心

出　　处：《计算机工程》2007年第6期3-5,共3页Computer Engineering

基　　金：国家自然科学基金资助项目(60242002)

摘　　要：目前,移动代理在不可信环境中存在一个重要缺陷,即不能识别交易的有效性。文章提出了一个安全的未指定代理者的代理签名方案,它解决移动代理在不可信环境中的安全交易问题,新方案对客户和商家双方都具有身份的不可伪造性、不可否认性和交易信息的完整性等特点,实现了客户和商家之间公平交易。描述了新方案,给出了实际实现及应用,并对其安全性进行了分析。A major problem of mobile agents is apparent inability to authenticate transactions in hostile environments. A secure non-designated proxy signature scheme, which resolves issues for secure transactions with mobile agents in hostile environment is presented. The new scheme achieved following characteristics： the identity of a customer and a shop can＇t be forged and not be disavoid, and the integrality of transaction information can＇t be tampered, etc. The new scheme can perform fair transactions between a customer and a shop, The new scheme and its implementation are presented. The security of the scheme is discussed.

关 键 词：代理签名 移动代理 安全交易 

分 类 号：TN918[电子电信—通信与信息系统]