Information processing device, information recording medium...

Details Information processing device, information recording medium... Information processing device, information recording medium...

2011-06-21

2011-06-21

Chevalier, Robert (Department: 2484)

Motion video signal processing for recording or reproducing

Process of generating additional data during recording or...

Additional data controlling recording or playback operation

C386S253000

Reexamination Certificate

active

07965922

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.

REFERENCES:
patent: 7353541 (2008-04-01), Ishibashi et al.
patent: 7647646 (2010-01-01), Nakano et al.
patent: 2002/0141582 (2002-10-01), Kocher et al.
patent: 2002-149061 (2002-05-01), None
patent: 2003-109303 (2003-04-01), None
patent: 2004-532495 (2004-10-01), None
patent: 2005-71037 (2005-03-01), None
patent: WO 02/079906 (2002-10-01), None
patent: WO 2005/008385 (2005-01-01), None

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