This information supports z/OS (5694-A01) and contains information about Integrated Cryptographic Service Facility (ICSF), which is part of Cryptographic Services.

Purpose of this information

This information describes how to initialize, customize, operate, and diagnose the z/OS Integrated Cryptographic Service Facility (ICSF).

Who should read this information

This information is intended for the system programmer. It describes the tasks that a system programmer might perform:

• Programming installation options, installation-defined callable services, and installation exits
• Creating the data sets that ICSF uses
• Migrating the system from the Cryptographic Unit Support Program (CUSP) and Programmed Cryptographic Facility (PCF) to ICSF
• Migrating to z/OS ICSF
• Migrating from the IBM Network Security Processor Support Program (hereafter called 4753-HSP) to ICSF
• Starting and stopping ICSF
• Checking event recording
• Planning for security and performance considerations
• Debugging and recovering from problems

Defining and writing installation-defined callable services and installation exit routines is intended to be accomplished primarily by experienced system programmers. This information assumes that the reader has an advanced knowledge of z/OS.