Key: ABCDE-FGHIJ-KLMNO-PQRST-UVWXY-ZABCD-EFGHI
Remove the dashes
ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHI
The public cdkey is 8 long, get every other letter ignoring the first, till you have 8
ABCDEFGHIJKLMNOP
^ ^ ^ ^ ^ ^ ^ ^
So that'd make your key
BDFHJLNP
