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Amélioration de la politique de sécurité des systèmes DRM introduction des notions du modèle Or-BAC dans le langage MPEG-21 REL
2013
Electronic Journal of Information Technology
Digital Rights Management (DRM) allows controlling the access, the use and the diffusion of digital contents produced by the rights holders. With this intention, a right expression language is necessary. The MPEG-21 REL is a standardized language used to express the licenses. In this paper, we propose an improvement of the security policy and expressivity of MPEG-21 REL by introducing concepts based on the Or-BAC (Organization Based Access Control) data model. This improvement will be illustrated by some use cases
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