Oracle Database Discussions

I'm in the process of creating an unattended install base for our Oracle RDBMS installation.

Looking at the options for dbca with response files i've noticed the following option.

#-----------------------------------------------------------------------------
# Name : OBFUSCATEDPASSWORDS
# Datatype : Boolean
# Description : Set to true if passwords are encrypted
# Valid values : TRUE\FALSE
# Default value : FALSE
# Mandatory : No
#-----------------------------------------------------------------------------
#OBFUSCATEDPASSWORDS = FALSE

Now I would like to use this option.

How can I create the obfuscated password?

There probably is a tool for the obfuscation, but I cannot find anything in the Oracle documentation about obfuscating a database password for the dbca silent install.
Nor can I find it on metalink.