Nsignature - Methods to Compute a Digital Signature for an Image;/


NAME



?signature - Methods to Compute a Digital Signature for an Image




(

SYNOPSIS



&SignatureImage(image)




B

FUNCTION DESCRIPTIONS






4

SignatureImage



FMethod SignatureImage computes a digital signature from an image. ThisIsignature uniquely identifies the image and is convenient for determiningHif the colormap of a sequence of images is identical when animating. TheJdigital 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:

4
image:


)The address of a structure of type Image.