Towards a Usage Control Policy Specification with Petri Nets
OTM '09 Proceedings of the Confederated International Conferences, CoopIS, DOA, IS, and ODBASE 2009 on On the Move to Meaningful Internet Systems: Part II
Towards session-aware RBAC administration and enforcement with XACML
POLICY'09 Proceedings of the 10th IEEE international conference on Policies for distributed systems and networks
Survey: Usage control in computer security: A survey
Computer Science Review
Introducing concurrency in policy-based access control
Proceedings of the 8th Workshop on Middleware for Next Generation Internet Computing
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Policy-based approaches to the management of systems distinguish between the specification of requirements, in the form of policies, and their enforcement on the system. In this work we focus on the latter aspect and investigate the enforcement of stateful policies in a concurrent environment. As a representative of stateful policies weuse the UCON model and show how dependencies between policy rules affect their enforcement. We propose a technique for enforcing policies concurrently based on the static analysis of dependencies between policies. The potential of our technique for improving the efficacy of enforcement mechanisms is illustrated using a small, but representative example.