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Digital copyright protection method and system

A digital copyright protection and digital terminal technology, applied in the field of information security, can solve the problems that users cannot make correct decisions, cannot know the key for decryption, and cannot know the basic information of digital content in advance.

Inactive Publication Date: 2008-05-28
PEKING UNIV FOUNDER GRP CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology is a way to protect digital content as a whole, so that users cannot know the key for decryption before purchasing a license, so they cannot know some basic information in digital content in advance, resulting in users being unable to correctly decide whether to purchase License for this digital content

Method used

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  • Digital copyright protection method and system
  • Digital copyright protection method and system

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Embodiment Construction

[0028] The digital copyright protection method and system of the present invention only encrypt the key data items of the entry data in the digital content, and do not encrypt the basic data items of the entry data, so that the user can also browse the information of the basic data items without a key, Thereby, the basic information of the digital content can be obtained. The digital copyright protection method and system of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] In the present embodiment, the dictionary is used as the object of digital copyright protection, wherein each entry in the dictionary is considered as an entry data, and the pinyin, meaning explanation, example sentences, and synonyms contained in each entry are different data item. As shown in Figure 1, the method for carrying out digital copyright protection to dictionary content in the present embodiment is as follows:

[003...

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Abstract

The invention discloses a digital copyright protection method and a system thereof, relates to a digital copyright protection method and a system thereof in information safety and solves the problem that, in the prior art, a user without keys cannot acquire the basic information in digital contents in advance. The digital copyright protection method and the system thereof perform encryption on key data items but not base data items in item data so that the user without the key can understand the basic information of the digital contents via basic data items so as to decide whether to buy the license to get the key. The digital copyright protection method of the invention applies essentially to copyright protection of digital contents with item data such as dictionaries, encyclopedia, yearbooks, etc.

Description

technical field [0001] The invention relates to the field of information security, in particular to a digital copyright protection method and system in information security. Background technique [0002] With the rapid development of computer information technology and the Internet, more and more computer software works, digitized works of traditional works and other digitized information appear, and are disseminated through the Internet, CD-ROM or other means. At the same time, due to the emergence of various piracy technologies, a large amount of digital content has been illegally used, causing huge economic losses to the relevant rights holders and hindering the progress of technology and the dissemination of information. Security protection of digital content in the process of information dissemination. [0003] In the prior art, general digital copyright protection is mainly realized through the following technologies: [0004] 1. Digital content encryption: first con...

Claims

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Application Information

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IPC IPC(8): G06F21/24G06F21/10
Inventor 夏松江刘彦君汤帜
Owner PEKING UNIV FOUNDER GRP CO LTD
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