Spring application context encryption
<bean id="securityDataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
    <property name="url" value="jdbc:mysql://192.168.0.1/schemaname?useUnicode=true&characterEncoding=utf-8"/>
    <property name="username" value="{this should be encrypted}"/>
    <property name="password" value="{this should be encrypted}"/>
</bean>

<Resource name="jdbc/[YourDatabaseName]"
              auth="Container"
              type="javax.sql.DataSource"
              username="[DatabaseUsername]"
              password="[DatabasePassword]"
              driverClassName="com.mysql.jdbc.Driver"
              url="jdbc:mysql://[yourserver]:3306/[yourapplication]"
              maxActive="15"
              maxIdle="3"/>