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Information processing apparatus and method, information recording medium, and computer program

A technology for information processing equipment and information recording, applied in computing, electrical digital data processing, digital data processing components, etc., and can solve problems such as insufficient consideration

Inactive Publication Date: 2005-12-28
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accordingly, a process of accessing a network-connected device such as a home server or player from another network-connected device such as a PC or a television and replaying content from the accessed device through the network, where the Installing the recording medium in the device

Method used

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  • Information processing apparatus and method, information recording medium, and computer program
  • Information processing apparatus and method, information recording medium, and computer program
  • Information processing apparatus and method, information recording medium, and computer program

Examples

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Embodiment Construction

[0097] The details of an information processing device and method, an information recording medium, and a computer program according to embodiments of the present invention will be described below with reference to the accompanying drawings. The description is based on the following sequence.

[0098] 1. Data structure stored in the information recording medium

[0099] 2. Example of the structure of the stored content

[0100] 3. Encryption and use management of stored content

[0101] 4. Content usage management based on network disconnection / connection status

[0102] 5. Content copy management in the network

[0103] 6. Management information related to the content management unit

[0104] 7. Storage configuration of main content, sub-content and content management information

[0105] 8. Encryption and anti-tampering of content usage control information

[0106] (8-1) Overview of encryption and tamper-proof processing of content usage control information

[0107] (8-2) Specif...

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Abstract

The information processing apparatus includes a content usage control information analyzer for reading content usage control information recorded on an information recording medium, and performing content usage processing in accordance with the content usage control information. The content usage control information analyzer determines whether to allow use of the content corresponding to the content usage control information based on a flag value included in the content usage control information and device information, wherein the device information indicates that the information processing apparatus is an extension with an extension function The device is still a base device without extended functions.

Description

[0001] Cross reference to related patent applications [0002] The present invention contains subject matter related to Japanese patent application JP 2004-185896 filed with the Japanese Patent Office on June 24, 2004 and Japanese patent application JP 2004-246641 filed with the Japanese Patent Office on August 26, 2004. All of these patent applications The content is quoted here for reference. Technical field [0003] The present invention relates to information processing equipment and methods, information recording media, and computer programs. More specifically, the present invention relates to an information processing apparatus and method, an information recording medium, and a computer program in which various contents whose use needs to be managed are stored and the use of each data unit forming the contents is managed. Background technique [0004] Various software data (hereinafter referred to as "contents") can be stored in the recording medium as digital data, such as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/00
Inventor 高岛芳和上田健二朗木谷聪浅野智之村松克美
Owner SONY CORP
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