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1.
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Authorization Recycling in Hierarchical RBAC Systems
/ Qiang Wei ; Jason Crampton ; Konstantin Beznosov ; Matei Ripeanu
[LERSSE-RefJnlPaper-2009-014]
As distributed applications increase in size and complexity, traditional authorization architectures based on a dedicated authorization server become increasingly fragile because this decision point represents a single point of failure and a performance bottleneck. [...]
Published in Q. Wei, J. Crampton, K. Beznosov, M. Ripeanu, “Authorization Recycling in Hierarchical RBAC Systems,” to appear in ACM Transactions on Information and System Security (TISSEC), 32 pages, preprint.:
Transfer from CDS 0.99.7:  PDF;
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2.
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Authorization Recycling in RBAC Systems
/ Qiang Wei ; Jason Crampton ; Konstantin Beznosov ; Matei Ripeanu
[LERSSE-PRESENTATION-2009-079]
As distributed applications increase in size and complexity, traditional authorization mechanisms based on a single policy decision point are increasingly fragile because this decision point represents a single point of failure and a performance bottleneck. [...]
Published in Qiang Wei, Jason Crampton, Konstantin Beznosov, and Matei Ripeanu, “Authorization Recycling in RBAC Systems,” in the Proceedings of the 13th ACM Symposium on Access Control Models and Technologies (SACMAT’08), Estes Park, Colorado, 11-13 June, 2008, pp.63-72.:
Transfer from CDS 0.99.7: PDF;
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3.
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Authorization Recycling in RBAC Systems
/ Qiang Wei ; Jason Crampton ; Konstantin Beznosov ; Matei Ripeanu
[LERSSE-RefConfPaper-2008-026]
As distributed applications increase in size and complexity, traditional authorization mechanisms based on a single policy decision point are increasingly fragile because this decision point represents a single point of failure and a performance bottleneck. [...]
Published in Qiang Wei, Jason Crampton, Konstantin Beznosov, and Matei Ripeanu. Authorization recycling in RBAC systems. In SACMAT '08: Proceedings of the 13th ACM Symposium on Access Control Models and Technologies, Estes Park, Colorado, USA, June 11-13 2008, pp. 63-72. :
Transfer from CDS 0.99.7: PDF;
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4.
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The Secondary and Approximate Authorization Model and its Application to Bell-LaPadula Policies
/ Jason Crampton ; Wing Leung ; Konstantin Beznosov
[LERSSE-RefConfPaper-2006-017]
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. [...]
Published in Jason Crampton, Wing Leung, Konstantin Beznosov "The Secondary and Approximate Authorization Model and its Application to Bell-LaPadula Policies," In Proceedings of the ACM Symposium on Access Control Models and Technologies (SACMAT), Lake Tahoe, California, USA, ACM, 7-9 June, 2006, pp.111-120.:
Transfer from CDS 0.99.7: PDF;
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