i found a way to decrypt the save file ftp:
1. go to ux0:/app/vitashell download the EBOOT.bin
2. go to ux0:/app/gameid download the EBOOT.bin of the game
3. change the EBOOt.bin of the game you want to edit to vitashells EBOOT.bin
4. close VS boot up the game it should boot the vitashell
5...