Electronic Journal of Information Technology (Dec 2013)

Amélioration de la politique de sécurité des systèmes DRM introduction des notions du modèle Or-BAC dans le langage MPEG-21 REL

  • Morad Rafi,
  • Mohcine Eleuldj

Journal volume & issue
no. 7


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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