How to encrypt JMS password in SqlProperties?

Issue

• How to encrypt PASSWD string in SqlProperties specified in *-persistence-service.xml ?

<attribute name="SqlProperties"><![CDATA[
CREATE_USER_TABLE=CREATE TABLE JBM_USER (USER_ID VARCHAR2(32) NOT NULL, PASSWD VARCHAR2(32) NOT NULL, CLIENTID VARCHAR2(128), PRIMARY KEY(USER_ID))
CREATE_ROLE_TABLE=CREATE TABLE JBM_ROLE (ROLE_ID VARCHAR2(32) NOT NULL, USER_ID VARCHAR2(32) NOT NULL, PRIMARY KEY(USER_ID, ROLE_ID))
SELECT_PRECONF_CLIENTID=SELECT CLIENTID FROM JBM_USER WHERE USER_ID=?

POPULATE.TABLES.1  = INSERT INTO JBM_USER (USER_ID, PASSWD) VALUES ('echjms', 'xxx')
POPULATE.TABLES.2  = UPDATE JBM_USER SET PASSWD='${jmsps}' WHERE USER_ID='echjms'
POPULATE.TABLES.3  = INSERT INTO JBM_ROLE (ROLE_ID, USER_ID) VALUES ('echjms','echjms')
POPULATE.TABLES.4  = DELETE FROM JBM_ROLE WHERE ROLE_ID='guest'
POPULATE.TABLES.5  = DELETE FROM JBM_USER WHERE USER_ID='guest'
]]></attribute>