A framework for modeling restricted delegation in service oriented architecture

  • Authors:
  • Muhammad Alam;Michael Hafner;Ruth Breu;Stefan Unterthiner

  • Affiliations:
  • Quality Engineering, University of Innsbruck, Innsbruck, Tirol, Austria;Quality Engineering, University of Innsbruck, Innsbruck, Tirol, Austria;Quality Engineering, University of Innsbruck, Innsbruck, Tirol, Austria;Quality Engineering, University of Innsbruck, Innsbruck, Tirol, Austria

  • Venue:
  • TrustBus'06 Proceedings of the Third international conference on Trust, Privacy, and Security in Digital Business
  • Year:
  • 2006

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Abstract

We present a novel approach for modeling restricted delegation of rights in a distributed environment based on web services. Our approach is based on SECTET-PL [5], a predicative language for modeling access rights based on the concept of Role Based Access Control (RBAC). SECTET-PL is part of the SECTET framework for model-driven security for B2B workflows. Our Rights Delegation Model combines the concept of roles from RBAC with the predicative specification of SECTET-PL. The Rights Delegation Models are translated into XACML Delegation Policies, which are interpreted by a security gateway.