Hello...

If you download some piece of software it will often have a security key
that you can use to check the integrity of your download.."is all the code
there"...."have any viruses sneaked in ?"

I find it extraordinary that in the "Space Age" with all the controversy
that an image can produce...("is there life there ?", "But Black holes don't
do that!"..."It's a face...it's a face!"...)...that the space agencies, or observatories
don't provide a security key with the image that you can use to check the
integrity of the original image (tif, etc....).

Of course...most people wouldn't use them...but if you're a researcher
with some ground breaking theory that some other researcher MIGHT
feed you false data on ? Not that anyone would. But no one is supposed
to introduce viruses into software!

DJBarney