H signature - Compute a Digital Signature for a Image Colormap�� �  0 




NAME

<signature - Compute a Digital Signature for a Image Colormap








SYNOPSIS

&SignatureImage(image)






9

FUNCTION DESCRIPTIONS






+

SignatureImage

HFunction 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:



#
image:
)The address of a structure of type Image.