Image metadata may survive (EXIF, copyright strings), it really depends on how the program manipulating the image handles the image and metadata parts of the file. Chances are if the hidden data is in the image data then it will not survive resizing, changes to colour deptt, colour maps etc.
Jim 2010/1/27 Adrian Crenshaw <[email protected]> > Hi all, > Does anyone know of any image based steganography that survives > resizing of the image? I'm looking into using blind drops, but many sites > alter images that they post. > > Thanks, > Adrian > > _______________________________________________ > Pauldotcom mailing list > [email protected] > http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom > Main Web Site: http://pauldotcom.com >
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