Method and apparatus for variable encryption of data

United States of America Patent

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Aug 12, 2008
Grant Date
Sep 18, 2003
app pub date
Apr 30, 2003
filing date
Aug 28, 2000

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Abstract

A system and method for encrypting content in an adaptive manner. Portions of data to be encrypted are identified and an encryption ratio that specifies the one or more portions of data to encrypt and other portions of data to not encrypt is determined. The data is then encrypted based on the encryption ratio.

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CONTENTGUARD HOLDINGS INC	103 FOULK ROAD SUITE 200-M WILMINGTON DE 19803

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G06F:ELECTRIC DIGITAL DATA PROCESSING

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Inventor Name	Address	# of filed Patents	Total Citations
Chen, Daniel	Torrance, CA	89	1078
Raley, Michael	Downey, CA	48	1847
Ta, Thanh	Huntington Beach, CA	50	1300
Wu, Hsi-Cheng	Alhambra, CA	17	431

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Method and apparatus for variable encryption of data

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10425644

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PATENT NO	7412605
APP PUB NO	20030177400A1
SERIAL NO	10425644
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 12, 2008	US,7412605,B2 US7412605B2	GRANTED PATENT AS SECOND PUBLICATION
September 18, 2003	US,20030177400,A1 US20030177400A1	FIRST PUBLISHED PATENT APPLICATION

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10425644

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