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A License Audit Model for Secure DRM Systems in IP-based Environments
Ui Jin Jang, Hyung-Min Lim and Yong-Tae Shin
Page: 253~260, Vol. 6, No.2, 2010
10.3745/JIPS.2010.6.2.253
Keywords: Digital Forensic, DRM, IP-Based Network
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Communication devices aim to provide a multimedia service without spatial or temporal limitations in an IP-based environment. However, it is incapable of allowing for fair use by consumers who legally buy content, and damages provider contents through the indiscriminate distribution and use of illegal contents. The DRM system that emerged to solve this problem cannot protect licenses stored on communication devices, and manage licenses by redistribution. This paper proposes a license audit model, which checks for illegal access, modification and redistribution, and reports alert logs to the server.