If this is for real, lets make sure it is. The Iranians can be doing the same thing as you are suggesting.
Slipping the Iranians a faulty design plan would be possible, but it wouldn't be such a great idea if they figured out the flaw and made it work. It would be better to ship them a completed nuclear warhead from "Pakistan"
that would detonate when they attemped to launch it, or detonated when it was put in their "secret" location.
Papers on the campus board of the university of Tehran asking the students to sign the referrundum petition and protest the regime!