Abstract
This paper suggests encryption methods, which are applicable to the media data that are encoded with MPEG-4 video format and reports competitiveness of these methods on the perspective of performance evaluation with respect to the plain MPEG-4 files. We constructed 3 methods, one is the way we can encrypt Macroblocks(MBs) of I-VOP(Video Object Plane), another is P-VOP’s MBs encryption and the other is the combination of these two methods. They were designed to supply Digital Rights Management(DRM) services for a video streaming system without performance degradation that could be a burden to a large networked service framework, such as a commercial delivery system on mobile or ubiquitous computing environments, where there is inherently preferred system costs for low-power, low-network bandwidth. We found that, by considering VOP and time consumption for a whole media encryption, it is feasible to build a pertinent DRM service on the multimedia delivery system with these methods.
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Kim, G., Shin, D., Shin, D. (2004). An Effective Adaptation of Encryption on MPEG-4 Video Streams for Digital Rights Management in an Ubiquitous Computing Environment. In: Yang, L.T., Guo, M., Gao, G.R., Jha, N.K. (eds) Embedded and Ubiquitous Computing. EUC 2004. Lecture Notes in Computer Science, vol 3207. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30121-9_61
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DOI: https://doi.org/10.1007/978-3-540-30121-9_61
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