Digital broadcasting receiving system and digital...

Details Digital broadcasting receiving system and digital... Digital broadcasting receiving system and digital...

2011-01-11

2011-01-11

Zand, Kambiz (Department: 2434)

Cryptography

Video cryptography

C380S201000, C713S189000

Reexamination Certificate

active

07869594

ABSTRACT:
A digital broadcasting receiving system is provided. The digital broadcasting receiving system includes an information processing device for executing a loader, a main process, and a supervisory process, a digital broadcasting receiving device detachably connected to the information processing device. The information processing device includes storage section on which the loader is developed, and transmits the main process and the supervisory process to the digital broadcasting receiving device. The digital broadcasting receiving device includes receiving section for receiving the broadcast signal to generate content data, decryption key storage section, process decryption section for decrypting the main process and the supervisory process using the decryption key, protective data adding section for adding protective data to the main process decrypted by the process decryption section, and first protective data storage section. The information processing device, in accordance with the loader, receives the decrypted main process and the decrypted supervisory process from the digital broadcasting receiving device.

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