Data Encryption
The DB2 driver supports database-specific encryption (DB2’s own encryption protocol) for the following databases:

DB2 for Linux/UNIX/Windows

DB2 for z/OS
The DB2 driver supports SSL encryption for the following databases:

DB2 V9.1 Fixpack 2 and higher for Linux/UNIX/Windows

DB2 V9.1 for z/OS

DB2 for i