Note
Backup/Restore has been removed in the latest firmware updates for both the F@st 5566 and 5689
Decodes and encodes backup cfg files.
gsdfcrypt [-c] [-k 128|256] [-p password] <in> <out>
-c
Compress/Create encoded configuration
-k 128 | 256
Secret-key size.
F@st 5566 = 128
F@st 5689 = 256 (default)
-p
F@st 5566/5689 user password