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Research on Rights Interaction and Fault Tolerance Authentication in Digital Rights Management

Author: LiuYang
Tutor: YuNengHai
School: University of Science and Technology of China
Course: Information and signal processing
Keywords: Digital Rights Management Permission to interact Digital notes Digital Rights Share Privacy Digital rights management interoperability Byzantine fault-tolerant authentication Clusters
CLC: TP393.08
Type: PhD thesis
Year: 2009
Downloads: 253
Quote: 1
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Abstract


Network-based digital multimedia applications are the current trends in the development of multimedia technology, a combination of network and media to provide users with a flexible and convenient access to the multimedia, improve user productivity and quality of life. But at the same time bring convenience to the user, network multimedia content also facing a serious threat of piracy, network-based digital rights management is the solution to this problem, the most promising research directions. In this paper, the problem of network-oriented digital rights management permission interactive and distributed fault-tolerant authentication mechanism as the main research content, launched some exploratory work in this area. First, this paper the existing network digital rights management system framework, as well as the research work is summarized and analyzed, pointed out how the technical means to improve existing digital rights management permissions interaction mechanism is a key problem facing. In this regard, this article shared from digital rights and digital rights management interoperability mechanism to conduct a study on this issue. Second, analysis of digital rights management in P2P networks and applications and the problems, the analysis shows that P2P mode center node certification the P2P digital copyright protection is an important link, also conducted in-depth response to this problem Discussion. The main innovation of the papers are as follows: 1. Asked the permission sharing mechanism based digital notes online digital rights management. First analyzed permission to share the user experience in digital rights management, and the potential application of business models; Secondly bills universal design format for digital rights management of digital; then combined with a typical digital rights management system gives sharing model based on digital notes digital rights; final design and prove its security based digital notes the lightweight digital rights-sharing agreement. With a novel online virtual home theater application mode based digital notes online DRM video sharing prototype system Virtual Theater. First, based on the proposed sharing mechanism specific description of the structure and composition of the system; Secondly, summed up the basic process of sharing DRM video content online, and a novel based on the digital rights to share scenarios and business models; Finally, through The performance tests illustrate the the Virtual Theater performance advantages. Proposed a privacy protection distributed digital rights management interoperability mechanisms: DPP-DRM. First analyzes the the DRM interoperable digital home network centralized storage and disclosure of personal privacy issues; then address the problem, propose a novel based CoralIF interoperability mechanism, the mechanism on the client to allocate user information and Distributed to record the user transaction records and domain management personal privacy information; final strand space theory to prove the DPP-DRM Media Center compromised and still be able to ensure that critical information about the safety of the equipment list of members and permissions tokens. 4. Proposed an efficient P2P DRM authentication mechanisms based on Byzantine fault-tolerant node cluster. Summed up the study of the DRM P2P network; Secondly, highlights the problem of too many of interactive messages between the the Byzantine certification mechanism P2P DRM system nodes in the P2P network. Then, to solve this problem, we propose a cluster-based Byzantine fault-tolerant authentication algorithm, algorithm analysis to prove the advantages of this algorithm.

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