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Topic: Steganography


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  Learn more about Steganography in the online encyclopedia.   (Site not responding. Last check: 2007-10-21)
Steganography is the practice of writing hidden messages in such a way that no one apart from the intended recipient even knows that a message has been sent.
Steganography can be used for digital watermarking, where a message (being simply an identifier) is hidden in an image so that its source can be tracked or verified.
Steganography has been widely used in historical times, especially before cryptographical systems were developed.
www.onlineencyclopedia.org /s/st/steganography.html   (731 words)

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