From: DeskNow Knowledge Base

I already have an SSL certificate for Apache. How do I use it in DeskNow?

If you already have an SSL certificate generated for an Apache web server, you can still use it in DeskNow.

Typically you would have two files for your Apache certificate: a .key file that contains your private key, and a .crt file that contains the public key. The .crt file should have been sent to you by a trusted certification authority.

Your goal is to combine them into a single httpkeystore file, located in desknowdatassl . This (once you have run the updateHttpKeystore command), is the SSL cert used by DeskNow, and it follows the standard Java Keystore format.

To convert a .crt+.key keypair into a single keystore, we recommend using a tool from IBM:

Brief how-to-use