Method to upgrade content encryption

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United States of America Patent

PATENT NO 10057641
APP PUB NO 20100246819A1
SERIAL NO

12454912

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Generation of secret keys is carried out in a smartcard for use by a receiver device's main processor, or alternatively, decryption processing for selectively encrypted content is carried out in the smartcard itself in order to thwart hacking and pirating of protected video content. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

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Patent Owner(s)

  • SONY CORPORATION; SONY ELECTRONICS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Candelore, Brant L San Diego, US 205 9966

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