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Rights description language learning research and its verification system implementation

Author: BaiXian
Tutor: DuXu
School: Huazhong University of Science and Technology
Course: Software Engineering
Keywords: Online Education Digital copyright protection Rights Description Language Access Control
CLC: TP399
Type: Master's thesis
Year: 2005
Downloads: 151
Quote: 0
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Abstract


With the browser to use network resources more and more enriched. Moreover, since the rise of online education , many of the traditional resources are gradually transformed into digital form. Online education is the main production pathway digital resources , is also a major consumer . However, if it is not effectively protected , it will hurt a lot of resources in the interests of creators . The digital resources spread quickly due to its protection adds a certain degree of difficulty. In the Digital Rights Management has been a lot of work was done . However, their coverage is just some commercial systems , only to meet the payment system . Furthermore, most are based on the basis of mutual trust . So, these not enough . Education and research areas have their own special requirements, even more than a commercial systems require more complicated. China 's online education has also developed a number of standards. However, resource protection is still very lacking. It can be said , in the standardization process which , we have a lot to go. This is also the starting point of our work . We are through the Analysis of online education today to start , put forward demands , build a descriptive model rights . Finally, through a contract based on digital access control system of this model system has been verified. The system uses a digital certificate to verify and validate the identity information of each subject . And use a certificate authority to achieve. Digital resources are first placed in a container inside protected digital . This resource users submit to the virtual machine powers of description language permits a form of digital contracts , then , the virtual opportunity to verify the user's identity information to verify the legitimacy of the contract numbers and calculate the prevailing environmental information to determine if the user whether the application has access to . If the permissions information meets , users can access a resource that . Finally given of the system authentication .

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