OEs2(linux) - this server with R/W replic NDS.
Certificate Server on the other server - NW65SP7 with Master Replic.

On the OES2 need install GWMesanger server.
For secure link between Windows GWMEssanger client and GWMessanger
server need configure and use SSLCertificate.

In the documentation for GWMessanger Server:
i read :
Step-13: Specify y or n to select whether or not to use SSL.
If you select to use SSL, specify the path to the serverís root
certificate and the path to the serverís root certificate key, then
enter the password for the serverís root certificate.
- explain as what and where to take this key and what password it is
- It is a file with what name and extension ?