A Delegation Model Based on Directed Acyclic Graph

被引:0
|
作者
Zhang, Xiujuan [1 ]
Zhang, Dianming [2 ]
Zhang, Yuanke [1 ]
Wu, Junhua [1 ]
机构
[1] Qufu Normal Univ, Sch Comp Sci, Rizhao, Peoples R China
[2] Shandong Water Polytechn, Dept Informat Engn, Shandong, Peoples R China
关键词
information security; access control; delegation algorithm; directed acyclic graph; ACCESS-CONTROL;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Delegation in access control is used to deal with exceptional circumstances, in case of a regular user is unable to perform their normal job and delegates all or part of it to others. Delegation can be identified by a directed acyclic graph, called the Delegation Graph, with a rigorous formal modeling. In this study, we first proposed the definition and the storage structure of the Delegation Graph and then discussed the properties of the Delegation Graph. At last, we presented the algorithms about how to implement delegation, how to judge a directed acyclic graph and how to revoke delegation.
引用
收藏
页码:265 / +
页数:2
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