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Right information management method and right information management device

An information management device and information management technology, applied in the field of rights information management devices, can solve the problems of a large amount of time, unfavorable keeping of users, etc.

Active Publication Date: 2009-03-11
SOCIONEXT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The conventional methods described above include the following problems: it takes a lot of time for the user to be notified of the rights information, and when the rights information of a large amount of content is collectively displayed, the user is disadvantageously kept waiting until the rights information is displayed

Method used

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  • Right information management method and right information management device
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  • Right information management method and right information management device

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Embodiment Construction

[0058] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

[0059] first preferred embodiment

[0060] A first preferred embodiment of the present invention is described with reference to the drawings.

[0061] First, the structure of the content rights information display system will be described based on FIG. 6 .

[0062] In FIG. 6 , the memory card 11 is used as an example of a storage medium in the following description, however, this does not mean that the right information management method according to the present embodiment can be realized only by the memory card 11 . Any other storage media may be used instead, such as DVD, HDD, and RAM.

[0063] In the following description, the mobile phone 12 is used as an example of the content processing device, however, this does not mean that the right information management method according to the present embodiment can be realized only by the mobile pho...

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PUM

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Abstract

A right information management method for managing a right information of contents retained in a storage medium comprising an authenticated memory region accessible after a mutual authentication is obtained relative to a contents processing device and an ordinary memory region accessible without obtaining the mutual authentication, comprising a step of reading an encrypted right information retained in the authenticated memory region, a step of decoding the read encrypted right information and retrieving a plaintext right information, and a step of retaining the plaintext right information in the ordinary memory region. According to the right information management method, a user can be notified of the contents and the right information of the contents managed in the storage medium in a speedy manner via the contents processing device.

Description

technical field [0001] The present invention relates to a rights information management method and a rights information management device capable of promptly notifying a user of content managed in a storage medium and rights information of the content through a content processing device. The present invention is particularly effective as a business device that provides a function of displaying encrypted rights information in a quick manner and is capable of displaying a list of rights information of a large amount of content, such as TVs, DVD recorders, mobile phones, digital cameras, and moving image viewers. Background technique [0002] In recent years, the copyright of content needs to be protected more and more. In response to this increasing tendency of demand, content distributed in digital terrestrial broadcasting and the like includes rights information. When content is recorded on a storage medium, rights information must be recorded together with the content. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/00G06F21/10
Inventor 和田纮幸
Owner SOCIONEXT INC