01 What does the Visual Cryptography function do?

To encode an image in Visual Cryography, two b/w images are created from it, which must be superimposed to get back the original view.

To encode/decode colour images, a pixel/image point is considered transparent if it is transparent or the colour value is > 128 (0..255).

The GC Wizard allows you to load a graphic from the device or from the Internet.

A pair of images is uploaded and, if necessary, an offset in X and Y can be specified. After clicking on “Submit”, the image is assembled.

Clicking on “Clear image” removes the background noise.

The following functions are available in the display of the generated image:

	Switch to full screen mode
	Fit image (after zooming)
	Save single image
	Open in: – Exif/Metadata Viewer – Color correction – Hex Viewer – Search for Hidden Data

The GC Wizard allows you to load a graphic from the device or from the Internet.

After a file has been loaded, an offset in X and Y can be specified. It is also possible to enter a scaling.

The result is the two images, which have to be superimposed to decode them in order to get the original view again.

The following functions are available in the display of the generated images:

	Switch to full screen mode
	Fit image (after zooming)
	Save single image
	Open in: – Exif/Metadata Viewer – Color correction – Hex Viewer – Search for Hidden Data

GC Wizard