Multilevel management system and method for license

Abstract

The invention discloses a license multilevel management system, which comprises a license management unit, a content packing unit, an encryption machine in a content packing unit and a decryption machine in a terminal. The system also comprises an agent license management unit, wherein the agent license management unit is used for applying for a license from the license management unit and acquiring the license, uniformly managing at least one terminal in a local area network according to authority information in the license, and realizing multilevel management of the license. The invention also discloses a method for multilevel management of the license. The method comprises the following steps: the agent license management unit applies for the license from the license management unit and acquires the license, uniformly manages at least one terminal in the local area network according to the authority information in the license, and realizes multilevel management of the license. Withthe system and the method, individual requirement of a user can be met, series of problems of succession, removal, transference, and multilevel license distribution of use right of digital content can be completed.

Description

technical field [0001] The invention relates to license management technology, in particular to a multi-level license management system and method. Background technique [0002] Digital content service has become the fastest growing and most promising field in the entire information industry, but the digital content of digital content service has brought convenience to piracy and infringement. Copyright issues are becoming one of the bottlenecks restricting the development of digital content services, and subsequently, the research on Digital Rights Management (DRM, Digital Rights Management) is booming. At present, the most widely used DRM technology is the public key cryptosystem and its related encryption technology, which better solves the security problem of copyright management. [0003] The license management in the existing DRM solution is mainly the license management performed by the operator on the user, such as figure 1 as shown, figure 1 It is a schematic dia...

AI Technical Summary

Problems solved by technology

[0004] To sum up, with the existing DRM solution, the terminal can only be managed directly through the license management unit located in the operation center, and the online license service is provided, which has the limitation of single management and single service

However, with the development of digital content service applications becoming more and more complicated, users have put forward more

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