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A new method for the steganography of 8 bit images

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Russell Nelson

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Aug 31, 2003, 1:06:11 AM8/31/03

sno...@oeh.uni-linz.ac.at (snoopy) writes:

> 4. resumee
> The results are very satisfying. Using gif images the FHK method
> brings a changed file size because of the palette. Gif saves only the
> needed colors of the palette and not all possible 256 color entries
> like 8 bit bitmaps. The new gif image becomes up to 30% bigger. For me
> it's more important, that the changes are hardly to see. If you use 8
> bit bitmaps the file size stays unchanged.
>
> Wels, Austria, Franz Helmut Philip Kalchmair
> Aug./24/2003
>
> P.S.: First published on Aug/24/2003 20:08 in the newsgroup
> de.comp.security.

Please see these two entries on http://russnelson.com/ :

<li>I distribute a copy of <a href="decss-injunction/">DeCSS</a>, and you should <a href="http://www.2600.com/news/2000/0830.html">too</a>.
<LI>I have a <a href="diffs">patch</a> to <a href="http://www.tuxedo.org/~esr/gif2png/">gif2png</a>.

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