Access-Control Language for Multidomain Environments

  • Authors:
  • James B. D. Joshi;Rafae Bhatti;Elisa Bertino;Arif Ghafoor

  • Affiliations:
  • University of Pittsburgh;Purdue University;Purdue University;Purdue University

  • Venue:
  • IEEE Internet Computing
  • Year:
  • 2004

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Abstract

The XML Role-Based Access Control (X-RBAC) specification language addresses multidomain environments' policy-specification needs. X-RBAC is based on an extension of the widely accepted US National Institute of Standards and Technology role-based access-control (RBAC) model. In addition to allowing specification of RBAC policies and facilitating specification of timing constraints on roles and access requirements, X-RBAC provides a framework for specifying mediation policies in a multidomain environment where RBAC policies have been employed.