ACF00ENC routine library location in ACF2 for z/OS
Article ID: 447956
Updated On:
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Issue/Introduction
The "Interface with ACF2" section of the documentation for ACF2 r17 (and previous releases) states that the ACF00ENC routine should be accessed via a LINK or LOAD macro with a STEPLIB in the JCL stream.
However, the module is not found in standard libraries such as CAX1LINK, CAX1LOAD, or CAX1LPA.
Environment
ACF/2 16.0
Cause
ACF00ENC is considered a sensitive module, as it contains proprietary algorithms used in encryption/decryption
It is placed in the distribution library rather than the standard execution libraries for the following security reasons:
Access Control - limited access to distribution libraries
Controlled Link-Editing - ACF00ENC is not in to intended to be executed as a standalone program, it is meant to be link-edited into ACFFDR or specific SVC routines.
Integrity Protection - maintained by keeping the module out of the standard execution path
Resolution
The ACF00ENC routine resides in the AAX1MOD0 library.
- Use the AAX1MOD0 library in your STEPLIB or JCL stream to resolve the ACF00ENC routine.
- Re-link the routine each time the ACF2 release changes to include the applicable ACF00ENC version.
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