You can use the segher's tools rip off compiled for windows by me... (FE100 & it's keygrabber)
one is a packer and unpacker for savefiles... the other just grabs the stuff from your savefile and keydump (only ecc key)...
it gets the shared keys used in unpacking from hackmii.com
[
wiicrazy.tepetaklak.com]
You can just use the keygrabber and use the segher's tools too...
You don't need to put any fake data into those private stuff (NG files), all you need is already in your wii...
And about the protection...
Mainly, savefiles are encrypted & decrypted using a shared secret (sd-key)
but they get signed by each wii's own private ecc key to prevent tampering of the data... hence savefiles also contains the public ecc key/certificates of the signer wii so they can get verified and loaded by other wiis... other wiis know the shared secret so what they do is decrypt the data and check the signature and if signature matches allow the savegame to be copied...
The most important key in packing savefiles is of course ecc key, it's the private key of your wii used in signing process of the savefile...
Any one of savefile contains all those information in the NG files except the ecc key... you can get your wii's ecc key using bushing's xyzzy application...
Edited 1 time(s). Last edit at 01/10/2009 12:14AM by WiiCrazy.