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Information processing device, information recording medium manufacturing device, information recording medium, methods thereof, and computer program

An information processing device and information recording technology, which are applied in the fields of computer programs, information recording media, and information recording media manufacturing equipment, and can solve problems such as content leakage of unauthorized decryption

Active Publication Date: 2007-03-21
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even for encrypted content, there is still the problem of unauthorized decryption of the content if the key is compromised

Method used

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  • Information processing device, information recording medium manufacturing device, information recording medium, methods thereof, and computer program
  • Information processing device, information recording medium manufacturing device, information recording medium, methods thereof, and computer program
  • Information processing device, information recording medium manufacturing device, information recording medium, methods thereof, and computer program

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Embodiment Construction

[0078] An information processing apparatus and method, an information recording medium manufacturing apparatus and method, an information recording medium, and a computer program according to the present invention will be described in detail below with reference to the accompanying drawings. NOTE The description will be made according to the following items.

[0079] 1. Outline of storage data in information recording medium, and processing on drive and host

[0080] 2. Related content management unit (CPS unit)

[0081] 3. Storage data management configuration of information recording media

[0082] 4. Overview of the data structure including the content of the modified data, and data transformation processing

[0083] 5. Processing of reproduction (player) application and private VM

[0084] 6. Content reproduction processing

[0085] 7. Content code management configuration

[0086] 8. Configuration of information processing equipment

[0087] 9. Information recording...

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Abstract

An information processing device for executing reproduction processing of content recorded in an information recording medium, includes: a data processing unit for acquiring content codes including a program or application information to be applied to the recording content of the information recording medium, and executing data processing in accordance with the acquired content codes; wherein the data processing unit is configured so as to execute the verification processing of a digital signature which allows tampering verification of the entire content codes included in a content code file storing the content codes, and as the verification result, execute data processing in accordance with the content codes on the condition that validity of the content code file has been confirmed.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application 60 / 724,802, filed October 11,2005. [0003] The present invention contains subject matter of Japanese Patent Application JP 2005-270484 filed in the Japan Patent Office on Sep. 16, 2005, the entire document of which is hereby incorporated by reference. technical field [0004] The present invention relates to an information processing apparatus and method, an information recording medium manufacturing apparatus and method, an information recording medium, and a computer program. More specifically, the present invention relates to information processing apparatus and method, information recording medium manufacturing apparatus and method, information recording medium, and computer programs. Background technique [0005] Various software data such as audio data (music, etc.), image data (movies, etc.), game programs, various application programs, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/00G06F21/00
Inventor 高岛芳和
Owner SONY CORP
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