NDLI: A directed acyclic graph based detection for rbac based secure interoperation

Content Provider	IEEE Xplore Digital Library
Author	Xiyuan Chen Miaoliang Zhu
Copyright Year	2009
Description	Author affiliation: College of Computer Science, Zhejiang University, Hangzhou, China (Xiyuan Chen; Miaoliang Zhu)
Abstract	Collaboration enables domains to share resources effectively; however it introduces several security and privacy challenges. To guarantee the secure interoperation in complex distributed environment, a RBAC based secure interoperation model was proposed. Based on the inherent characteristic of the RBAC system, a directed acyclic graph based detection method of security violation was investigated. We also classified the conflicts according to the feature of each four parts of NITS RBAC model: conflicts resulting from unrelated roles, conflicts that arise from related roles and conflicts due to separation of duty. The targeted detection method for different types of conflicts was illustrated systematically. Therefore corresponding detection method can be applied to different types of conflicts according to the actual application environment. Furthermore, we analyzed the algorithmic complexity of the method and demonstrated the application of the directed acyclic graph based detection method with case studies in realistic scenarios.
Starting Page	759
Ending Page	764
File Size	2413525
Page Count	6
File Format	PDF
ISBN	9781424451135
DOI	10.1109/MOBHOC.2009.5336922
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Access control Algorithm design and analysis Educational institutions Power system security Application software Power system modeling Directed Acyclic Graph Conflict Detection Computer science Privacy RBAC Information security Computer security Security Interoperation
Content Type	Text
Resource Type	Article

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