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DRM (Digital Rights Management) and CAS (Conditional Access System) techniques have been used to cut off the illegal use of contents. These techniques, however, brought about much inconvenience as restricting the move or play of the contents of even legal users. In this paper, we propose a new technique for sharing DRM contents based on domain according to the increment of the demand about the pliant...
Currently audio content is protected by many kinds of DRM systems each of which adopts different DRM technology. It might be impossible to use the content governed by one DRM System at other DRM compliant device even within one user's domain. In this paper, we propose a scheme that can converts one DRM's DRM content to other DRM's DRM content between different audio DRM systems to make it available...
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