OS/2 Global Security Runtime

On OS/2 Warp and eComStation you can find the following folders:
 * IBMGSK
 * IBMGSK40
 * IBMGSK50

According to a brief online investigation this libraries are used to for some specific legacy RSA encryption functions for IBM HTTP server, IBM Personal Communication and possible DB2 running on OS/2.

Links

 * Directories IBMGSK, IBMGSK40, IBMGSK50: What for?