I am trying to update Mario Kart 8...I got the files and when I try to run CDecrypt, it tells me my Ckey.bin is the wrong size. I know it's the correct Common Key because its the same Common Key that I used to extract the Mario Kart 8 WUD. Can I make a ckey.bin because no one seems to host it anywhere that I can find, I have the key saved in a text document