Patent ID: 8625967
Filing Date: 2014-01-07
Classification: H04N

Abstract:
1. An information processing device for executing reproduction processing of content recorded in an information recording medium, said device comprising: a data processing unit configured to acquire content codes including programs or application information to be applied to the content of the information recording medium, and to execute data processing in accordance with the acquired content codes, wherein said content codes include digital signatures signed by a control center, wherein at least one of programs included in said content codes is player unique data and is signed with the private key unique to the player, wherein said data processing unit is configured to execute verification processing of said digital signature, which executes tampering verification of the entire set of said content codes and, to execute data processing in accordance with the content codes on the condition that validity of the entire set of content codes have been confirmed, and wherein said data processing unit is configured to, in response to said data processing being executed in according with the content codes, execute verification processing of said at least one program signed with the private key unique the player and, to execute data processing in accordance with said at least one program on the condition that validity of said at least one program has been confirmed.