Here is a nice one for
the secretive ones amongst you: How to hide a text file in a .jpeg
picture. The result is you see a picture and nothing tells you there is
a message hidden inside of it.
The technique is called "Steganography", there are a few programs you
can use but we will only show the most simple one here.
First you need to download "outguess-0.2.tar.gz". Get it at http://www.outguess.org/
After you cd to the directory you downloaded it to, you do:
Good. Now you are fully set up. Here is an example:
Rightclick the image and save it to your /home, after that give the
( Note: extracing works without the password too, but you
get an empty text file )
That is all there is to it.
More options are in the man-page: Here
I told you there are other programs too: "Steghide" is such a one and
available in the Mandrake contrib sources. You can read more about it (
and Outguess too ) here:
But beware, there is a typo in the command they give to wrap the
steghide file. This is the correct one:
# steghide embed -ef
file.txt -cf file.jpg -sf output.jpg
NOTE: ( -ef . . not -pf like they say in the Distrowatch
-- Sep 29 2004 ( Revised Dec 15 2005 ) --