Installing and Configuring SSL under z/OS

SSL under z/OS: System and Software Requirements

The system and software requirements for using SSL under z/OS operating environments are as follows:

a computer that runs z/OS.
the TCP/IP communications access method.
if you are planning to use a computer that runs z/OS as the CA, access to the RACDCERT command on z/OS.
knowledge of your site's security policy, practices, and technology. The properties of the digital certificates that you request are based on the security policies that have been adopted at your site.