diff --git a/src/main/java/cokr/xit/interfaces/gpki/GPKI.java b/src/main/java/cokr/xit/interfaces/gpki/GPKI.java
index a0448e7..bf79e3c 100644
--- a/src/main/java/cokr/xit/interfaces/gpki/GPKI.java
+++ b/src/main/java/cokr/xit/interfaces/gpki/GPKI.java
@@ -43,6 +43,7 @@ public class GPKI extends AbstractComponent {
 	 * @return 지정한 아이디의 서버인증서로 암호화한 문자열
 	 */
 	public String encrypt(String serverID, String data) {
+		if (!conf.enabled) return data;
 		if (isEmpty(data)) return "";
 
 		try {
@@ -62,6 +63,7 @@ public class GPKI extends AbstractComponent {
 	 * @return 복호화한 문자열
 	 */
 	public String decrypt(String encrypted) {
+		if (!conf.enabled) return encrypted;
 		if (isEmpty(encrypted)) return "";
 
 		try {
@@ -277,7 +279,7 @@ public class GPKI extends AbstractComponent {
 	 * }</code></pre>
 	 * @author mjkhan
 	 */
-	public static class Config extends AbstractComponent {
+	public static class Config {
 		private static Config conf;
 
 		public static Config get() {
@@ -291,6 +293,7 @@ public class GPKI extends AbstractComponent {
 			return conf;
 		}
 
+		private boolean enabled;
 		private String
 			charset,
 			license,
@@ -301,6 +304,20 @@ public class GPKI extends AbstractComponent {
 			env,
 			sig;
 
+		/**활성화 여부를 반환한다.
+		 * @return 활성화 여부
+		 */
+		public boolean isEnabled() {
+			return enabled;
+		}
+
+		/**활성화 여부를 설정한다.
+		 * @param enabled 활성화 여부
+		 */
+		public void setEnabled(boolean enabled) {
+			this.enabled = enabled;
+		}
+
 		/**charset을(를) 반환한다.
 		 * @return charset
 		 */
diff --git a/src/main/resources/intf-conf/gpki.conf b/src/main/resources/intf-conf/gpki.conf
index 0d27005..feaa3de 100644
--- a/src/main/resources/intf-conf/gpki.conf
+++ b/src/main/resources/intf-conf/gpki.conf
@@ -1,6 +1,6 @@
 {
+	"enabled": true,                            /* 활성화(사용) 여부 */
 	"license": "C:\\GPKI\\Lic",                 /* 이용기관 GPKI API 라이센스 디렉토리 */
-
 	"charset": "UTF-8",                         /* 문자셋 */
 
 	"server": {