[context-crypto.xml]
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:egov-crypto="http://www.egovframe.go.kr/schema/egov-crypto"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.egovframe.go.kr/schema/egov-crypto
http://www.egovframe.go.kr/schema/egov-crypto/egov-crypto-3.8.xsd">

<bean name="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
<property name="useCodeAsDefaultMessage">
<value>true</value>
</property>
<property name="basenames">
<list>
<value>classpath:/egovframework/prop/config.properties</value>
</list>
</property>
</bean>

<egov-crypto:config id="egovCryptoConfig"
initial="true" crypto="true" algorithm="SHA-256"
algorithmKey="egovframe"
algorithmKeyHash="gdyYs/IZqY86VcWhT8emCYfqY1ahw2vtLG+/FzNqtrQ="
cryptoBlockSize="1024"
cryptoPropertyLocation="classpath:/egovframework/prop/config.properties" />
</beans>


[context-dataSource.xml]
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/jdbc
http://www.springframework.org/schema/jdbc/spring-jdbc-4.0.xsd
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util-4.0.xsd
">

<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:/egovframework/prop/config.properties</value>
</list>
</property>
</bean>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${config.dbClass}"/>
<property name="url" value="${config.dbUrl}"/>
<property name="username" value="${config.dbId}"/>
<!-- <property name="password" value="${config.dbPW}"/> -->
<property name="password" value="#{egovEnvCryptoService.decrypt('${config.dbPW}')}"/>
<property name="validationQuery" value="SELECT 1 FROM DUAL" />
<property name="testWhileIdle" value="true" />
</bean>

</beans>


[EgovEnvCryptoUserTest.java] 암호화 확인
public class EgovEnvCryptoUserTest {

private static final Logger LOGGER = LoggerFactory.getLogger(EgovEnvCryptoUserTest.class);

public static void main(String[] args) {

String[] arrCryptoString = {
"ksh", //데이터베이스 접속 계정 설정
"1234", //데이터베이스 접속 패드워드 설정
"jdbc:mysql://localhost:13306/ksh?useUnicode=true&characterEncoding=utf8&useSSL=false&allowPublicKeyRetrieval=true", //데이터베이스 접속 주소 설정
"com.mysql.cj.jdbc.Driver" //데이터베이스 드라이버
};

LOGGER.info("------------------------------------------------------");
ApplicationContext context = new ClassPathXmlApplicationContext(new String[]{"classpath:/egovframework/spring/context-crypto.xml"});
EgovEnvCryptoService cryptoService = context.getBean(EgovEnvCryptoServiceImpl.class);
LOGGER.info("------------------------------------------------------");

String label = "";
try {
for(int i=0; i < arrCryptoString.length; i++) {
if(i==0)label = "사용자 아이디";
if(i==1)label = "사용자 비밀번호";
if(i==2)label = "접속 주소";
if(i==3)label = "데이터 베이스 드라이버";
LOGGER.info(label+" 원본(orignal):" + arrCryptoString[i]);
LOGGER.info(label+" 인코딩(encrypted):" + cryptoService.encrypt(arrCryptoString[i]));
LOGGER.info("------------------------------------------------------");
}
} catch (IllegalArgumentException e) {
LOGGER.error("["+e.getClass()+"] IllegalArgumentException : " + e.getMessage());
} catch (Exception e) {
LOGGER.error("["+e.getClass()+"] Exception : " + e.getMessage());
}

}

}