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The Design of DRM System for Vedio and Audio

Author: LiRunFeng
Tutor: HuZhengMing
School: Beijing University of Posts and Telecommunications
Course: Cryptography
Keywords: Digital Rights Management Using the Control Security evaluation Recovery capacity after attack
CLC: TP315
Type: Master's thesis
Year: 2011
Downloads: 60
Quote: 0
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Abstract


Diversification of the rapid spread of the Internet and ftp, P2P file sharing technology , making it more convenient and quick access to network resources . At the same time, the audio and video multimedia copyright has not been enough attention to the copyright infringement of digital media events have occurred . The current major legal recourse through a policy of shutting down P2P sites and piracy are two ways to solve . These programs disadvantage indicators , not the root cause of the former , the latter is only a remedy suffered huge losses . This article is based on the general purpose digital rights management technology and common multimedia digital rights management system in order to more effectively protect the copyright of audio and video multimedia , research, design easy the transplant on multiple platforms CPSec multimedia digital rights for a variety of media formats , management systems. Follow the security of the system design , practicality , low coupling principle , have the following characteristics : the the local permissions object of protection using dynamic key selection strategy , a package deal with the media during playback without distortion , and the degree of coupling between the various modules low , easy to upgrade and change of key selection strategy . At the same time , in order to assess the security of the digital rights management system , the paper proposes a digital rights management system security evaluation model based on analytic hierarchy process . Based on \Anti- attack capability of the system by the encryption and decryption of the media content , critical data transmission security permission object in the safety of the local three factors ; measuring system attacks the resilience factors , including two aspects: media copyright controllability , system recoverability of the operating mechanism . In this paper, the design of digital rights management , and pay more attention to the choice of strategy rather than specific , therefore a good reference for subsequent designers . The proposed security analysis model can provide a good reference value to the design of the follow-up designer .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Management procedures,management systems
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