A digital content download management method and system
A digital content and management method technology, applied in the direction of electronic digital data processing, transmission system, program/content distribution protection, etc., to achieve the effect of improving convenience and increasing the scope of application
Inactive Publication Date: 2012-02-01
PEKING UNIV +2
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[0003] In the existing DRM technology, the method of binding digital content and device feature information is usually used to bind the decryption information of the digital content with the device hardware configuration information, so that the digital resource can only be used on the bound device
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[0044] The following detailed description is only a preferred typical implementation case, and does not limit the scope, application or configuration of the present invention.
[0045] refer to figure 1 Realize the preferred system structure Client / Server structure of the method provided by the present invention, be made up of client subsystem 101 (hereinafter referred to as client), server subsystem 100 (hereinafter referred to as server), the communication of client and service end is realized by communication protocol, What present embodiment adopts is HTTP communication protocol; Client comprises reader 102, is used for reading digital content, and is responsible for sending download request information to server download request processing module, specifically can adopt popular webpage browser (such as IE / FireFox, etc.) and a reader (such as Founder Apabi Reader) that supports digital content file formats. The server is mainly responsible for user management, digital co...
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The invention relates to a method and system for controlling the number of digital content downloading devices, belonging to the field of digital copyright protection. Reading of digital content files protected by existing digital copyrights is often limited to reading on one device. When an application is to be downloaded on other devices, it needs to be re-downloaded and the number of downloads or copies of resources will be occupied. The invention includes a client subsystem and a server subsystem, and the server subsystem is mainly composed of five core modules: a download request processing module, a user management module, a download device management module, a user download control module and a download content license issuing module. By adopting the method of the present invention, when conducting a digital content transaction, the user is allowed to download multiple times on the same device, and also allows downloading on a certain number of different devices.
Description
technical field [0001] The invention belongs to the field of digital content copyright protection, and in particular relates to a digital content download management method and system. Background technique [0002] Digital Rights Management (DRM) is a key technology used to protect the transaction and dissemination of digital content. It is used to protect the intellectual property rights of digital content and make the use and dissemination of digital content controllable. Therefore, content providers and operators Businesses prefer to use DRM technology to protect their digital content, effectively control users' download and dissemination, effectively prevent piracy, and protect the legitimate rights and interests of digital content providers and operators. With the rapid development of today's network technology, the application of digital resources has also been rapidly developed, and the resulting economic benefits have also advanced by leaps and bounds. Therefore, DRM...
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IPC IPC(8): G06F21/00H04L29/06G06F21/10
Inventor 汤帜夏松江王海涛吴毛利
Owner PEKING UNIV