A DRM Framework for Distributing Digital Contents through the Internet

ETRI Journal

关键词: usage rule;    packager;    security;    distribution business model;    license;    contract;    MPEG-21;    Digital rights management (DRM);   

Others  :  1184672
DOI  :  10.4218/etrij.03.0103.0024

【 摘 要 】

This paper describes our design of a contents distribution framework that supports transparent distribution of digital contents on the Internet as well as copyright protection of participants in the contents distribution value chain. Copyright protection must ensure that participants in the distribution channel get the royalties due to them and that purchasers use the contents according to usage rules. It must also prevent illegal draining of digital contents. To design a contents distribution framework satisfying the above requirements, we first present four digital contents distribution models. On the basis of the suggested distribution models, we designed a contract system for distribution of royalties among participants in the contents distribution channel, a license mechanism for enforcement of contents usage to purchasers, and both a packaging mechanism and a secure client system for prevention of illegal draining of digital contents.

   

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