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Digital rights management method and re-trading method

A digital copyright management and digital copyright technology, applied in digital transmission systems, program/content distribution protection, electrical components, etc., can solve problems such as key theft, unfavorable digital copyright protection, etc., to reduce the cost of use, facilitate re-trade, The effect of avoiding explicit transmission

Inactive Publication Date: 2014-01-22
BEIJING ZHONGTIAN ANTAI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above process involves the explicit transmission of the key (spread on the network), which is easy to cause the key to be stolen, which is not conducive to the protection of digital copyright

Method used

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  • Digital rights management method and re-trading method

Examples

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Embodiment Construction

[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] Network Environment and Digital Copyright Management System

[0050] According to an embodiment of the present invention, a digital rights management system is provided, such as figure 1 shown, including:

[0051] Server 11 (also referred to as digital rights management server, digital rights server), used to conduct digital rights transactions with users and / or maintain digital rights; and

[0052] A terminal computing device connected to the server 11 through a network, including:

[0053] smartphone12,

[0054] desktop computer 13 and

[0055] Tablet 14;

[0056] A client (also referred to as a d...

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PUM

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Abstract

The invention provides a digital rights management method. The digital rights management method comprises the steps that users log in to a digital right server to carry out registering and become registered users through a digital right client-side, and in the registering process, the digital right client-side sends user information and the equipment information of equipment where the digital right client-side is located to the digital right server; after the registered users buy an electronic book on the digital right server, the digital right server encrypts the electronic book with the stored user information of all or part of the registered users and / or the stored equipment information as an encryption key, and then the electronic book is sent to the digital right client-side; after the digital right client-side receives the electronic book, the electronic book is decrypted with all or part of the user information and / or the equipment information identical to that of the digital right server as a decryption key. The invention further provides a digital rights re-trading method. Local hardware information is used in the management method and the re-trading method as the base of encryption and decryption, and the dominant spread of the key is avoided.

Description

technical field [0001] The invention relates to the field of digital copyright, in particular to a digital copyright management method and a retransaction method. Background technique [0002] In the prior art, Digital Rights Management (DRM, Digital Rights Management) is widely used to prevent illegal duplication of digital media. [0003] Digital rights management generally requires the establishment of a digital program authorization center first. The coded and compressed digital program content can be encrypted and protected with a key, and the encrypted digital program header stores the KeyID and the URL of the program authorization center. When the user orders, according to the KeyID and URL information at the head of the program, the digital program authorization center can send the relevant key for decryption after verification and authorization by the digital program authorization center, so that the program can be played. There are generally two keys, a public ke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/10H04L9/00
CPCG06F21/10H04L9/0847H04L9/0866
Inventor 汪家祥
Owner BEIJING ZHONGTIAN ANTAI TECH CO LTD
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