From: http://linuxaria.com
Steganography is the art and science of writing hidden messages in such a way
that no one, apart from the sender and intended recipient, suspects the existence
of the message, a form of security through obscurity. The word steganography is
of Greek origin and means “concealed writing” from the Greek words steganos
(ste?a???) meaning “covered or protected”, and graphei (??af?) meaning
“writing”. The first recorded use of the term was in 1499 by Johannes Trithemius
in his Steganographia, a treatise on cryptography and steganography disguised
as a book on magic. Generally, messages will appear to be something else:
images, articles, shopping lists, or some other covertext and, classically, the
hidden message may be in invisible ink between the visible lines of a private
letter.
And now that we have saw the definition of this word, let’s take a look at three
open source programs for Linux that you can use to play with this concept:
Steghide and Outguess and one closed source Steg
TinyURL: http://tinyurl.com/b6mbqm5
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From the Steghide -- Download PAGE:
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You can download the current version of steghide (0.5.1) on this page.
The download links point directly into the sourceforge.net download area. As an alternative to this page you can select the files directly in the sourceforge.net download area for steghide (also go there if you look for an older version).
Windows:
Windows package
After downloading unzip the contents of the zip file into a directory of your choice.
You can use steghide from the command prompt.
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