%0 Journal Article
%T Realizing Mandatory Access Control in Role-Based Security System<br>强制访问控制在基于角色的安全系统中的实现
%A LI Li-xin
%A CHEN Wei-min
%A HUANG Shang-lian
%A <br>李立新
%A 陈伟民
%A 黄尚廉
%J 软件学报
%D 2000
%I 
%X The realization of MAC (mandatory access control) in role-based protection syst em is discussed. First, the definition of role and the application in security a re discussed. Then the concept of MAC is introduced and a scheme of role-based protection which realizes MAC is developed, by viewing each of the role contexts as an independent security-level and imposing non-cyclic information flow req uirement.
%K Security level
%K information flow
%K MAC (mandatory access control)
%K role
%K role-ba sed security mechanism<br>安全级
%K 信息流
%K 强制访问控制
%K 角色
%K 基于角色的
%K 安全机制.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=7735F413D429542E610B3D6AC0D5EC59&aid=118D6FC822F2FA8F&yid=9806D0D4EAA9BED3&vid=708DD6B15D2464E8&iid=F3090AE9B60B7ED1&sid=7E01AF4ED17ED9B3&eid=E84660E787B699A9&journal_id=1000-9825&journal_name=软件学报&referenced_num=14&reference_num=5