How to configure Indirect Password using Enterprise Manager Data Source?

In production environments, while configuring datasources in OC4J using Enterprise Manager, the credential password should not be exposed as clear text. To secure it, there is an option called "Use Indirect Password" while configuring datasources in Oracle SOA Suite 10.1.3.1.

Step 1:

As shown above, provide the "Indirect Password" such as "PwdForORABPEL" & save the data source. This updates the following file

ORACLE_HOME\j2ee\OC4J_HOME\config\data-sources.xml

Step 2:

Provide the actual Indirect Password in ORACLE_HOME\j2ee\OC4J_HOME\config\system-jazn-data.xml

Step 3:

Restart the OC4J. This encrypts the password like the one as shown below