Device obtains SDO credentials from SCT Manufacturer and this process is known as Device Initialization.
Open a terminal and start SDO SCT Manufacturer server. Post this step, an ownership voucher is generated so, that the new owner can now initiate TO0 protocol.
Detailed steps and configuration needed to start SDO SCT manufacturer can be found in README document.
During this time, device does not have SDO credentials and will obtain the same from SCT Manufacturer.