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The Research and Designing of Watermarking Protocol Based on Product’s Right Transaction

Author: WuXueZuo
Tutor: CaiWeiHong
School: Shantou University
Course: Applied Computer Technology
Keywords: Competence Watermark Watermarking Protocol Copyright tracking Protection of rights information
CLC: TP309.7
Type: Master's thesis
Year: 2011
Downloads: 44
Quote: 0
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Abstract


In the case of the high-speed development of digital watermarking technology , the digital copyright protection bottlenecks reflected on how to take advantage of digital watermarking technology to suppress the illicit proliferation of digital media , and how to protect the legitimate interests of the parties involved in the transaction process of digital product trading , so how write high-quality the digital watermark agreement to solve the above problems become problems to be solved . Meanwhile , with the development of digital products trading , buying and selling of the product is no longer limited to trading throughout the commodity , but some or all of the functions of the select trading of digital products or its period of use , the concept of authority came into being . Traditional digital watermarking protocol based on the product overall transaction does not involve product privileges, the agreement of the buyer in the transaction B ( Buyer ) , Seller S ( Seller ) , the interests of the watermark certified third-party WCA (Watermarking Certification Authority) is no comprehensive considerations , the design of the protocol , there are some loopholes in this paper, the analysis concept introduced products permissions , B, S, WCA tripartite model to improve the traditional transaction process , the introduction of a new role - permission certification and management center RC ( Rights Certification and Management Center) as an independent third party , to establish based permissions transactions Quartet model and write permissions transaction - based digital watermarking protocol . This Agreement contains the : identity registration agreement , permission Registration Agreement , permissions generation protocol , watermark generation protocol , watermark embedding Agreement , copyright tracking protocol privileges detection protocol , a total of seven sub-protocol . Quartet interests considering seven sub- agreements , the completion of two major functions of protection of copyright tracking and permissions information to improve the traditional digital watermarking protocol deficiencies limited to copyright tracking to improve the utilization of the watermark technology . In the new model also solve the the previous watermarking protocol copyright tracking process anonymous attack , the collusion attack too credible , third-party man-in-the-middle attack , the transaction is not bound attack and other issues . In this paper, the permission information protection facing attack made ??and proved that the agreement to protect the rights information is credible and secure .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality > Encryption and decryption
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