摘要
基于用户行为的动态授权模型是一种提高网络安全比较好的方法，但是在获取和处理用户行为时，通过历史知识进行预测用户的行为或者用户的攻击行为真实发生后．再对用户的授权进行调整的方法存在着无法预先地、主动地调整和保护的问题。该文提出了一种基于可信度的信号博弈授权模型，使得授权更加准确、科学．提高网络安全。最后通过实验表明该模型能够合理调整授权，确保授权符合网络安全情况。
The dynamic authorization model based on user＇s behaviors is a feasible method to improve network security; But when gaining and processing user＇s behaviors, this method exists a defect that we cannot take the initiative to adjust authorization and protect the system in advance through predicting the user＇s behaviors by historical knowledge of attack or discovering that the system has suffered an attack af- ter the user＇s attack truly happened, then adjusting the user＇s authorization. This article proposed a signal gambling authorization model based on confidence level, in which the authorization is more accurate and scientific, and the model greatly enhances the network security. Finally, experiments show that the model can adjust the authorization properly to ensure that the authorization perfectly complies with net- work security.
作者
赵波
袁伟
龚凤娇
ZHAO Bo, YUAN Wei, GONG Feng-jiao （School of Computer, Wuhan University/Key Laboratory of Aerospace Information Security and Trust Computing of Ministry of Education, Wuhan 430072, China）
出处
《电脑知识与技术》
2010年第9期6987-6989,6994,共4页
Computer Knowledge and Technology
关键词
C\S模型
可信度
信号博弈
网络安全
C／S model
confidence level
signal gambling
network security
作者简介
赵波（1972-），男，教授，博士生导师，主要研究方向为信息安全，可信计算；
袁伟（1988-），男，武汉大学计算机学院2007级本科生，主要研究方向为信息安全，可信计算。
