FDE Decrypt

Hi guys.

Right now i'm doing data recovery via chip off and with some forensic tools (we have ufed 4pc and mobiledit forensic express)

No problem doing chip off on older android versions, but now i'm looking for a way to decrypt dump from newest phones (with full disk encryption) especially on Samsung phones.

I was wondering if anyone have managed to bruteforce a dump, i've found this interesting article

http//www.forensicswiki.org/wiki/How_To_Decrypt_Android_Full_Disk_Encryption

Thanks for any useful info.