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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Towards Creating a DSL Facilitating Modelling of Dynamic Access Control in Event-B
verfasst von : Inna Vistbakka, Mikhail Barash, Elena Troubitsyna
Erschienen in: Abstract State Machines, Alloy, B, TLA, VDM, and Z
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Abstract
Role-Based Access Control (RBAC) is a popular authorization model used to manage resource-access constraints in a wide range of systems. The standard RBAC framework adopts a static, state-independent approach to define the access rights to the system resources. It is often insufficient for correct implementation of the desired functionality and should be augmented with the dynamic, i.e., a state-dependant view on the access control. In this paper, we present a work in progress on creating a domain-specific language and the tool support for modelling and verification of dynamic RBAC. They support a tabular representation of the static RBAC constraints together with the graphical model of the scenarios and enable an automated translation of them into an Event-B model.