发明名称 Information processing device, information recording medium manufacturing device, information recording medium, methods thereof, and computer program
摘要 An information processing device for executing reproduction processing of content recorded in an information recording medium that 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. The data processing unit executes 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, executes data processing in accordance with the content codes on the condition that validity of the content code file has been confirmed.
申请公布号 US8625967(B2) 申请公布日期 2014.01.07
申请号 US201113006157 申请日期 2011.01.13
申请人 TAKASHIMA YOSHIKAZU;SONY CORPORATION 发明人 TAKASHIMA YOSHIKAZU
分类号 H04N5/92;H04N5/93 主分类号 H04N5/92
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