>From: Winsor Crosby <wincros@xxxxxxxxxxxxx>
>
>One of the interesting new devices that is optional on the Canon
>EOS-1D is a data verification device. The camera can be set to write
>a code into the header of the digital file. The image file can then
>be read by a device that will verify whether the image has been
>changed at all even by one pixel.
What's to keep some software from modifying or deleting the verifiction data?
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