摘要
通过引入信任度函数等新概念,利用Biba模型不写上,不读下思想,并对身份认证过程前后进行分析,选用适当的认证算法,对整个认证系统进行了形式描述,最后给出了一个使得信息系统的完整性总能得到保障的条件.
A information system about identification is formally described , with the ideals of Biba model which don＇t write up, don＇t read down, and news concept of trust degree function etc. A condition,which makes the information system be integrality at all time ,is given outs, to carry on the analysis to identification process in front and back, and choose appropriate identification arithmetic.
出处
《内江师范学院学报》
2008年第4期27-28,共2页
Journal of Neijiang Normal University
基金
四川省教育厅自然科学重点项目(2006A130)
内江师院院级科研项目:06NJZ-5
