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
CN1932999AActive Publication Date: 2007-03-21SONY CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SONY CORP
Publication Date
2007-03-21

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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.
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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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