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An analysis of expressiveness and design issues for the generalized temporal role-based access control model

Joshi, JBD and Bertina, E and Ghafoor, A (2005) An analysis of expressiveness and design issues for the generalized temporal role-based access control model. IEEE Transactions on Dependable and Secure Computing, 2 (2). 157 - 174. ISSN 1545-5971

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The Generalized Temporal Role-Based Access Control (GTRBAC) model provides a comprehensive set of temporal constraint expressions which can facilitate the specification of fine-grained time-based access control policies. However, the issue of the expressiveness and usability of this model has not been previously investigated. In this paper, we present an analysis of the expressiveness of the constructs provided by this model and illustrate that its constraints-set is not minimal. We show that there is a subset of GTRBAC constraints that is sufficient to express all the access constraints that can be expressed using the full set. We also illustrate that a nonminimal GTRBAC constraint set can provide better flexibility and lower complexity of constraint representation. Based on our analysis, a set of design guidelines for the development of GTRBAC-based security administration is presented. © 2005 IEEE.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Joshi, JBDjjoshi@pitt.eduJJOSHI0000-0003-4519-9802
Bertina, E
Ghafoor, A
Date: 1 January 2005
Date Type: Publication
Journal or Publication Title: IEEE Transactions on Dependable and Secure Computing
Volume: 2
Number: 2
Page Range: 157 - 174
Event Type: Conference
DOI or Unique Handle: 10.1109/tdsc.2005.18
Schools and Programs: School of Information Sciences > Information Science
Refereed: Yes
ISSN: 1545-5971
Date Deposited: 30 Oct 2012 20:38
Last Modified: 01 May 2020 12:55


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