The new RSA keys are not the only change I made to the script when editing it. But OK, let's do it as you seem to suggest: next time the new keys are needed I just post here telling about it and ask the newbies to find the correct keys and fix the script by themselves.
Let me just check that I get you correctly: for some reason you are not satisfied that every newbie can convert the ESD to ISO following instructions in this tutorial? Too easy? Should be more complicated?