Modified hierarchical privacy-aware role based access control model

Authors:
Sanjeev Arora;Eunjee Song;Yoonjeong Kim
Affiliations:
Baylor University, Waco, Texas;Baylor University, Waco, Texas;Seoul Women's University, Seoul, Rep. of Korea
Venue:
Proceedings of the 2012 ACM Research in Applied Computation Symposium
Year:
2012

Citing 3
Cited 0

Proposed NIST standard for role-based access control

ACM Transactions on Information and System Security (TISSEC)
Privacy-aware role based access control

Proceedings of the 12th ACM symposium on Access control models and technologies
Privacy-aware role-based access control

ACM Transactions on Information and System Security (TISSEC)

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Abstract

Privacy-aware role based access control (PRBAC) model extends much appreciated RBAC model and it is one of the leading models to define privacy policies and their enforcement. PRBAC extension, to hierarchical PRBAC (H-PRBAC), can express most of the privacy policies. But the limitation in H-PRBAC's Purpose hierarchy can lead to the explosion of policy assignments. In this paper, we review and provide an enhancement needed in the H-PRBAC model to overcome these limitations. Another limitation of PRBAC model is the lack of condition redundancy checking required for the assignment of new policies. In this paper, we provide an algorithm that was much needed for this purpose and review its complexity.