Step 1
Install conpal LAN Crypt. For the import you need the current version 4.0.3.
The installation of the LAN Crypt Administration is described in the Admin Help chapter 2.
https://docs.lancrypt.com/en/admin/lc_401_aheng.pdf
Step 2
Import your SGN keys into LAN Crypt with our import tool.
Select as source the keyfile and enter the generated password, as destination you only have to select your LAN Crypt database and a Master Security Officer.
After the import you can use your keys immediately.