Dynamic Authorisation Policies for Event-based Task Delegation

Khaled Gaaloul 1 Ehtesham Zahoor 1 François Charoy 1 Claude Godart 1
1 SCORE - Services and Cooperation
Inria Nancy - Grand Est, LORIA - NSS - Department of Networks, Systems and Services
Abstract : Task delegation presents one of the business process security leitmotifs. It denes a mechanism that bridges the gap between both workfow and access control systems. There are two important issues relating to delegation, namely allowing task delegation to complete, and having a secure delegation within a workfow. Delegation completion and authorisation enforcement are specied under specic constraints. Constraints are dened from the delegation context implying the presence of a xed set of delegation events to control the delegation execution. In this paper, we aim to reason about delegation events to specify delegation policies dynamically. To that end, we present an event-based task delegation model to monitor the delegation process. We then identify relevant events for authorisation enforcement to specify delegation policies. Moreover, we propose a technique that automates delegation policies using event calculus to control the delegation execution and increase the compliance of all delegation changes in the global policy.
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Khaled Gaaloul, Ehtesham Zahoor, François Charoy, Claude Godart. Dynamic Authorisation Policies for Event-based Task Delegation. The 22nd International Conference on Advanced Information Systems Engineering - CAiSE'10, Jun 2010, Hammamet, Tunisia. ⟨inria-00466220⟩

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