基于UCON的分布式数据库安全模型  

Secure Model of Distributed Database Based on UCON

作　　者：翟志刚[1] 王建东[1] 

机构地区：[1]南京航空航天大学计算机科学与技术学院,南京210016

出　　处：《计算机工程》2011年第24期50-51,54,共3页Computer Engineering

摘　　要：针对分布式数据库系统中已发布数据难以控制的问题,结合基于角色访问控制模型(RBAC)和使用控制模型(UCON)的特点,提出一种基于UCON的分布式数据库安全模型。将分布式数据库分为服务器端和客户端,服务器端采用UCON策略,客户端采用RBAC策略。分析结果表明,该模型能有效控制分布式数据库系统中的数据。In distributed database systems, controlling usage of data after it had been released to a different control domain from its provider becomes an important security issue. Aiming at this problem, this paper analyses the characteristics of Role-based Access Control model（RBAC） and Usage Control model（UCON）, and proposes a novel secure model of distributed database based on usage control technology. It gives the composition and definition by using different access control policies on server-side and client-side. Analysis result shows that this model can be used as an effective solution for usage control enforcement in distributed database systems.

关 键 词：分布式数据库 访问控制 使用控制 易变性 持续性 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]