This is brilliant, mate. Really has some of the feel of the software they used on the SG-1 show.
I can confirm that the irisAuth program works. Unless you change the string sgcx expects in the network message, this shouldn't change.
P.S. I made a smaaall custom modification to the iris opening function of the program that uses redstone and the opensecurity alarm component to add a snazzy warning lights/klaxon alert when the iris is open, make things more dramatic. You can see it here:
What do you think?