Grids, P2P and Services Computing

Usage Control policies have been introduced to overcome issues related to the usage of resources. Indeed, a Usage Control policy takes into account attributes of subjects and resources which change over time. Hence, the policy is continuously enforced while an action is performed on a resource, and it is re-evaluated at every context change. This permits to revoke the access to a resource as soon as the new context violates the policy. The Usage Control model is very flexible, and mutable attributes can be exploited also to make a decision based on the actions that have been previously authorized and executed. This paper presents a history-based variant of U-XACML policies composed via process algebra-like operators in order to take trace of past actions made on resources by the subjects. In particular, we present a formalization of our idea through a process algebra and the enhanced logical architecture to enforce such policies.

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Enforcement of U-XACML History-Based Usage Control Policy

Martinelli

Matteucci

Mori

et al. 2016

Security and Trust Management

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Grids, P2P and Services Computing

Cited by 1 publication

References 116 publications

Enforcement of U-XACML History-Based Usage Control Policy

Enforcement of U-XACML History-Based Usage Control Policy

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