OES2 with GroupWise8 + eDir

For connected
1) over SOAPS to the POA
2) over https: to the POA for monitoring
i need create and configure "SSL Settings"
POA | Properties | SSL Settings
+ Field: "Certificate File"
+ Field: "SSL key File"
+ Button: "Set Password"

Where i can read step by step How create this "Certificate File", "SSL key File" ??
We are do not use any foreign Cerificates..