diff --git a/src/main/java/com/eactive/eai/rms/common/acl/user/UserManService.java b/src/main/java/com/eactive/eai/rms/common/acl/user/UserManService.java
index 86c6d6f..58d835a 100644
--- a/src/main/java/com/eactive/eai/rms/common/acl/user/UserManService.java
+++ b/src/main/java/com/eactive/eai/rms/common/acl/user/UserManService.java
@@ -33,6 +33,7 @@ import com.eactive.eai.rms.data.entity.man.role.Role;
 import com.eactive.eai.rms.data.entity.man.role.RoleService;
 import com.eactive.eai.rms.data.entity.onl.bzwkdstcd.UserBusinessService;
 import com.eactive.eai.rms.onl.common.exception.BizException;
+import com.eactive.ext.djb.DamoManager;
 
 import lombok.RequiredArgsConstructor;
 
@@ -140,7 +141,7 @@ public class UserManService extends BaseService {
 
 	public void updatePassword(UserUI userUI) throws Exception {
 		UserInfo userInfo = userInfoService.getById(userUI.getUserId());
-		userInfo.setPassword(Seed.encrypt(userUI.getUserId()));
+		userInfo.setPassword(DamoManager.getInstance().hash(DamoManager.SHA256, userUI.getUserId()));
 		userUIMapper.updateToEntity(userUI, userInfo);
 		userInfoService.save(userInfo);
 	}
diff --git a/src/main/java/com/eactive/eai/rms/common/login/MainController.java b/src/main/java/com/eactive/eai/rms/common/login/MainController.java
index d36fb90..af3239e 100644
--- a/src/main/java/com/eactive/eai/rms/common/login/MainController.java
+++ b/src/main/java/com/eactive/eai/rms/common/login/MainController.java
@@ -33,6 +33,7 @@ import org.springframework.web.servlet.View;
 
 import com.eactive.eai.common.seed.Seed;
 import com.eactive.eai.rms.ext.kjb.smsauth.SmsAuthService;
+import com.eactive.ext.djb.DamoManager;
 import com.eactive.eai.data.converter.LocalDateTimeFormatters;
 import com.eactive.eai.rms.common.context.MonitoringContext;
 import com.eactive.eai.rms.common.datasource.DataSourceType;
@@ -363,7 +364,7 @@ public class MainController implements InterceptorSkipController {
 		String loginMode = System.getProperty("login.mode");
 		if("db".equals(loginMode) || "DB".equals(loginMode)) {
 			/* 기존로직 - LDAP 사용 x */
-			if (!userInfo.getPassword().equals(Seed.encrypt(dto.getPassword()))) {
+			if (!userInfo.getPassword().equals(DamoManager.getInstance().hash(DamoManager.SHA256, dto.getPassword()))) {
 				// password 다름.
 				setLoginFailure(request, session, "login.loginfail1",
 						"login.loginfail2");
@@ -799,9 +800,9 @@ public class MainController implements InterceptorSkipController {
 						.getString("login.pwdmismatch4"));
 				return REDIRECT_CHANGE_PASSWORD_URL;
 			}
-
+			
 			// 3. 비밀번호 체크
-			if (!userInfo.getPassword().equals(Seed.encrypt(resetPassword))
+			if (!userInfo.getPassword().equals(DamoManager.getInstance().hash(DamoManager.SHA256,resetPassword))
 					|| !userInfo.getUserid().equals(resetUserId)) {
 				UserAccessLogger.log(request, LOG_CATEGORY_LOGIN, "F",
 						localeMessage
@@ -812,7 +813,7 @@ public class MainController implements InterceptorSkipController {
 			}
 
 			// 4. 비밀번호 변경
-			userInfo.setPassword(Seed.encrypt(changePassword));
+			userInfo.setPassword(DamoManager.getInstance().hash(DamoManager.SHA256,changePassword));
 			userInfoService.save(userInfo);
 
 			UserAccessLogger.log(request, LOG_CATEGORY_LOGIN, "S", localeMessage