INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, PROGRAM AND RECORDING MEDIUM

PROBLEM TO BE SOLVED: To securely hold key data for realizing DRM and data generated by input by a user in data broadcast without using special external storage that the user cannot freely access in an apparatus having a reception function of terrestrial digital broadcast and a video recording and r...

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Bibliographische Detailangaben
1. Verfasser:	MATSUBARA KIJIO
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To securely hold key data for realizing DRM and data generated by input by a user in data broadcast without using special external storage that the user cannot freely access in an apparatus having a reception function of terrestrial digital broadcast and a video recording and reproducing function of broadcast contents.SOLUTION: An information processing apparatus includes: first storage control means for storing encrypted content data among data related to the broadcast contents in storage means of the present apparatus and storing a content key to be used for decrypting the content data in storage means of a data distribution device; second storage control means for storing user data generated on the basis of the input by the user among the data related to the broadcast contents in the storage means of the present apparatus and storing check data generated on the basis of the user data in the storage means of the data distribution device; and third storage control means for storing other data among the data related to the broadcast contents in the storage means of the present apparatus.