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Method and apparatus for generating a license

A license and equipment technology, applied in the direction of user identity/authority verification, television, program/content distribution protection, etc., can solve the problems of digital content difficulties and restrictions on digital content expression.

Inactive Publication Date: 2007-07-11
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, since conventional methods of protecting digital content such as CCI and broadcast marks are very simple and limited in their expression, it is difficult to protect digital content in a manner sufficient to satisfy the needs of content consumers to freely use digital content

Method used

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  • Method and apparatus for generating a license
  • Method and apparatus for generating a license
  • Method and apparatus for generating a license

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Embodiment Construction

[0023] Aspects of the present invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown.

[0024] FIG. 2 illustrates a digital content protection environment according to an exemplary embodiment of the present invention.

[0025] Referring to FIG. 2, a digital content protection environment according to an exemplary embodiment of the present invention includes various content protection systems (for example, a digital rights management (DRM) system 100, a high-bandwidth digital content protection (HDCP) system 200, and a digital transmission content protection ( DTCP) system 300) and the multiple devices 21-23 protected by these content protection systems.

[0026] The DRM system 100 is a system that manages rights of content received from the outside. HDCP system 200 is a system that prevents copying of digital content output to a digital display through a high bandwidth interface such as...

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Abstract

A method and apparatus for protecting digital content in a digital rights management (DRM) system are provided. The method includes: determining a usage bind of content based on usage constraint information of the content; and generating a license of the content for each usage bind. According to the method and apparatus, by generating the license of the content with respect to each usage bind, the content can be protected in a variety of ways with respect to the usage bind of the content, in addition to the conventional content protection by usage constraint information.

Description

[0001] This application claims U.S. Provisional Patent Application No. 60 / 755,091 filed in the United States Patent and Trademark Office on January 3, 2006 and Korean Patent No. 10-2006-0028024 filed in the Korean Intellectual Property Office on March 28, 2006 priority of the application, which is fully disclosed herein by reference. technical field [0002] The present invention relates to digital content protection, and more particularly, to the protection of digital content in digital rights management (DRM) systems. Background technique [0003] As society moves from the analog age to the digital age, more and more content is being created in digital form. Copying analog content takes a lot of time and effort, but copying digital content is easier and faster. [0004] In addition, the quality of analog content degrades in proportion to the number of copies thereof, while the quality of digital content remains unchanged regardless of the number of copies. Therefore, an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/00H04N7/167H04N7/24
CPCH04N21/835H04N21/2541H04N21/4627H04N21/8355G06F21/10G06F2221/0759G06F21/1073G06F17/00H04L9/32G06F21/00
Inventor 尹映善金奉禅南秀铉
Owner SAMSUNG ELECTRONICS CO LTD