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What is DAC

Chapter 9
Handbook of Research on Secure Multimedia Distribution
The Discretionary Access Control model (DAC) gives the creator of an object the privilege to define the policy regulating access to this object, and granted privileges can be transmitted between users.
Published in Chapter:
A Hardware Approach for Trusted Access and Usage Control
Nicolas Anciaux (INRIA Rocquencourt, France), Luc Bouganim (INRIA Rocquencourt, France), and Philippe Pucheral (INRIA Rocquencourt and University of Versailles, France)
Copyright: © 2009 |Pages: 23
DOI: 10.4018/978-1-60566-262-6.ch009
Abstract
This chapter advocates the convergence between Access Control (AC) models, focusing on the granularity of sharing, and Digital Right Management (DRM) models focusing on conditional authorizations and obligations. The convergence is also expected in terms of control enforcement considering that both AC and DRM models must be equally protected against any form of tampering and piracy. We capitalize on the democratization of powerful secure chip platforms (e.g., smart cards, secure USB dongles) which can be plugged in a variety of client devices (PC, PDA, cell phones, consumer electronics) to design a new architecture of a trusted access and usage control system. The benefits of the proposed architecture are exemplified in two different contexts: a fair DRM scenario and a healthcare scenario.
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