Abstract

With the development of internet and Smart phone, the access to multimedia content (eBook, music, movie, video etc.) has become easier and easier on the mobile phone. Thanks to its good performance, Android mobile phone has attracted more and more people since the introduction of Android OS by Google. It's necessary to pay much attention to the security of digital content on the Android mobile phone. In this paper, a enhanced DRM system based on OMA 2.1 was proposed, which can efficiently protect the digital content on the mobile phone.

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