ssh for Duo v2?

I'm a unix newbie but I managed to get root access to my old ReadyNAS Duo v1 and modify the backup script in /frontview/bin so that rsync backups would function as needed (a couple flag changes essentially). I am trying to do the same thing with a new ReadyNAS Duo v2 that will be replacing the v1 but when I use vi to edit the backup script I see what looks like an encrypted file. Is this a well known situation? And if so what can I do to modify the script and save it in a form that the ReadyNAS will still be able to use? Thanks in advance for any pointers.