Hi there. I posted your method for Windows 7/8 Homepassing on Gamefaqs. Sadly, the site doesn't allow linking to gbatemp. Hopefully it'll work for the people who try it. It's a very clear guide, I think. I also combined added some instructions on how it can work with Chaldron's script. Here's the thread:
http://www.gamefaqs.com/boards/997614-nintendo-3ds/66974137#2
http://www.gamefaqs.com/boards/997614-nintendo-3ds/66974137#2