Hey, I pulled all the pertinent information from the original thread into the "HOW TO" threads I stickied -- good job on reading the whole thing, though!
I'm not sure what format the .key files are in (FYEK?) but GrimEdi appears to be able to work with them. What were you planning to do with the files anyway?
You can download GrimEdi here: viewtopic.php?f=1&t=656