Image based steganography that survives resizing?

[jim.halfpenny at gmail.com (Jim Halfpenny)]

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 <irongeek at irongeek.com>

> 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
>
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