A theorem on grid access control

被引:9
|
作者
Xu, ZW [1 ]
Bu, GY [1 ]
机构
[1] Chinese Acad Sci, Inst Comp Technol, Beijing 100080, Peoples R China
关键词
grid; access control; Vega Grid; asynchronous automata;
D O I
10.1007/BF02948926
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The current grid security research is mainly focused on the authentication of grid systems. A problem to be solved by grid systems is to ensure consistent access control. This problem is complicated because the hosts in a grid computing environment usually span multiple autonomous administrative domains. This paper presents a grid access control model, based on asynchronous automata theory and the classic Bell-LaPadula model. This model is useful to formally study the confidentiality and integrity problems in a grid computing environment. A theorem is proved, which gives the necessary and sufficient conditions to a grid to maintain confidentiality. These conditions are the formalized descriptions of local (node) relations or relationship between grid subjects and node subjects.
引用
收藏
页码:515 / 522
页数:8
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