Method for processing audiovisual information in an...

Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection

Reexamination Certificate

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Reexamination Certificate

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07363511

ABSTRACT:
A method for processing audiovisual information in an electronic device comprises at least one control block for controlling the operation of the electronic device, and a memory. The audiovisual information is encrypted. The control block is provided with a protected processing block, and part of the memory is available in said protected processing block only. The audiovisual information is decrypted in said protected processing block and transmitted from the protected processing block to means for presenting audiovisual information.

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