7. Enable secure communication between the IBM Spectrum Virtualize system and the  SKLM key servers by either uploading the key server certificate (from a trusted third party  or a self-signed certificate), or by uploading the public SSL certificate of each key server  directly. After uploading any of the certificates in the window that is shown in Figure 12-35,  click  Next  to proceed to the next step. Figure 12-35 Uploading key servers or the certificate authority SSL certificate Chapter 12. Encryption  659