signature - Compute a Digital Signature for a Image Colormap
SignatureImage(image)
Function SignatureImage computes a digital signature from an image. This
signature uniquely identifies the image and is convenient for determining
if the colormap of a sequence of images is identical when animating. The
digital signature is from RSA Data Security MD5 Digest Algorithm described
in Internet draft [MD5], July 1992.
The format of the SignatureImage routine is:
SignatureImage(image)
A description of each parameter follows:
- image:
-
The address of a structure of type Image.