On blind signatures and perfect crimes
Computers and Security
Multimedia and Interactive Digital TV: Managing the Opportunities Created by Digital Convergence
Multimedia and Interactive Digital TV: Managing the Opportunities Created by Digital Convergence
Advances in communication networks for pervasive and ubiquitous applications
The Journal of Supercomputing
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The digital contents market is growing rapidly and we can retrieve digital contents through various multimedia devices including portable hand-held devices, smart phones, and home devices. On the other side, many digital contents without the consent of copyright holders are shared on the Internet. Those copyright infringement problems undermine authoring needs of the digital contents manufacturers and also wither the development of digital contents market. We are sure that we need secure distribution mechanisms for the digital contents supply chain in order to revitalize contents services and markets more and more. Many research projects to limit contents utilization onto legitimate users and to provide secure contents protection and download are in progress. In this paper, we propose a secure D-CAS system (SDCAS) which provides security enhancement to various digital contents downloading services.