Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: IResearch Article CS-DRM: A Cloud-Based SIM DRM Scheme for Mobile Internet | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2011 Article ID 837209 19 pages doi 2011 837209 Research Article CS-DRM A Cloud-Based SIM DRM Scheme for Mobile Internet ChaokunWang 1 2 3 PengZou 1 Zhang Liu 4 and Jianmin Wang1 2 3 1 School of Software Tsinghua University Beijing 100084 China 2 Key Laboratory for Information System Security Ministry of Education Beijing 10084 China 3 Tsinghua National Laboratory for Information Science and Technology TNLIST Beijing 100084 China 4 Department of Computer Science and Technology Tsinghua University Beijing 100084 China Correspondence should be addressed to Chaokun Wang chaokun@ Received 2 June 2010 Revised 8 September 2010 Accepted 26 October 2010 Academic Editor Damien Sauveron Copyright 2011 Chaokun Wang et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. With the rapid development and growth of the mobile industry a considerable amount of mobile applications and services are available which involve Internet scale data collections. Meanwhile it has a tremendous impact on digital content providers as well as the mobile industry that a large number of digital content have been pirated and illegally distributed. Digital Rights Management DRM aims at protecting digital contents from being abused through regulating their usage. Unfortunately to the best of our knowledge fewer of these DRM schemes are concerned with the cost of the servers in a DRM system when the number of users scales up and consider benefits of content providers who can be seen as tenants of a content server. In this paper we propose CS-DRM a cloud-based SIM DRM scheme for the mobile Internet. The SIM card is introduced into CS-DRM to both reduce the cost and provide higher security. Also the characteristics of cloud .
