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Subject:Hidden digital signature in a graphic From:SIANNON -at- VISUS -dot- JNJ -dot- com To:"TECHWR-L" <techwr-l -at- lists -dot- raycomm -dot- com> Date:Mon, 26 Nov 2001 10:13:56
John,
I think you need to look up "steganography". It has hit mainstream
awareness recently due to its use in the movie "Along Came a Spider", but
it has been around for a while. The links below are just the first two I
hit, trying to find the word for it. I'm sure a search for the word itself
will give you more info than you'll ever want. :) I know the tools
available for it vary in price, scope and reliability, so I'd suggest some
cautious "shopping around" before picking a winner.
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