DeviceLock Service : Managing DeviceLock Service for Windows : Service Options : DeviceLock certificate
  
DeviceLock certificate
Use this parameter to install or remove the public key of a DeviceLock Certificate.
To install the key, click next to the Certificate Name field and specify the file that contains the public key of the desired certificate. To remove the key, click the Remove button. For details on DeviceLock certificates, DeviceLock Certificates.