SECURE COMMUNICATION AND REAL-TIME WATERMARKING USING MUTATING IDENTIFIERS
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United States of America Patent
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app pub date -
May 19, 2008
filing date -
Feb 27, 2002
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Abandoned
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Abstract
A method of watermarking using mutating identifiers includes generating a plurality of watermarked versions of a content item, obtaining a plurality of keys for the plurality of watermarked versions of a content item, assigning each one of the plurality of obtained keys to a single one of the plurality of watermarked versions of a content item, and associating a unique license with each one of the plurality of watermarked versions.
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