Agreed about the EXIF data, but are you only talking about binary steganography? You can hide barcodes in images pretty simply that would survive resizing just fine. Also, are you talking human or computer legible stego? Peoples choice of stego is highly dependent on message size,message contents, repetition, and placement.
-- Rob Fuller | Mubix Room362.com | Hak5.org | TheAcademyPro.com On Wed, Jan 27, 2010 at 7:42 AM, Jim Halfpenny <[email protected]> wrote: > 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 > > > _______________________________________________ > Pauldotcom mailing list > [email protected] > http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom > Main Web Site: http://pauldotcom.com > _______________________________________________ Pauldotcom mailing list [email protected] http://mail.pauldotcom.com/cgi-bin/mailman/listinfo/pauldotcom Main Web Site: http://pauldotcom.com
