Other cool things that you can do--
and this is a very neat feature of Elcomsoft.
If you click on Tools, Explore Keychain,
you can navigate out to your encrypted backup file,
point it to the Keychain, and it will provide you
Apple IDs, Wi-Fi accounts, mail accounts, passwords,
credit cards, and tokens.
So as you look through here, you can actually
see the password for Facebook, the password for Facebook
again, and, here, the password for, it
looks like a Gmail account.
You can create dictionary files from them.
You could use this to then run dictionary files
against other locked devices that you may not
be able to access.