diff --git a/user_auth/v2_0/IUserAuthInterface.idl b/user_auth/v2_0/IUserAuthInterface.idl
index c60fd9b26a7dc0189974a414922012d56b4d1403..2ab72bc55963d62e4021d4ecc22d362eb2b7b60b 100644
--- a/user_auth/v2_0/IUserAuthInterface.idl
+++ b/user_auth/v2_0/IUserAuthInterface.idl
@@ -51,13 +51,15 @@ interface IUserAuthInterface {
     /**
      * @brief Initializes the cache information of the user_auth driver.
      *
+     * @param deviceUdid Indicates the device udid.
+     *
      * @return Returns <b>0</b> if the operation is successful.
      * @return Returns a non-zero value if the operation fails.
      *
      * @since 3.2
-     * @version 1.0
+     * @version 2.0
      */
-    Init();
+    Init([in] String deviceUdid);
     /**
      * @brief Adds an authentication executor to obtain the authentication capability.
      *
@@ -426,10 +428,22 @@ interface IUserAuthInterface {
      * @version 1.0
      */
     RegisterMessageCallback([in] IMessageCallback messageCallback);
+    /**
+     * @brief Prepare remote auth.
+     *
+     * @param remoteUdid Indicates the remote device udid.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a non-zero value if the operation fails.
+     *
+     * @since 5.0
+     * @version 1.0
+     */
+    PrepareRemoteAuth([in] String remoteUdid);
     /**
      * @brief Get local schedule from message.
      *
-     * @param remoteDeviceId Indicates the remote device id.
+     * @param remoteUdid Indicates the remote device udid.
      * @param message is message received.
      * @param scheduleInfo is schedule info. See {@link ScheduleInfo}.
      *
@@ -439,14 +453,13 @@ interface IUserAuthInterface {
      * @since 5.0
      * @version 1.0
      */
-    GetLocalScheduleFromMessage([in] unsigned char[] remoteDeviceId, [in] unsigned char[] message,
-        [out] ScheduleInfo scheduleInfo);
+    GetLocalScheduleFromMessage([in] String remoteUdid, [in] unsigned char[] message, [out] ScheduleInfo scheduleInfo);
     /**
      * @brief Get signed executor info.
      *
      * @param authTypes Indicates the auth types. See @{AuthType}.
      * @param executorRole Indicates the role of executor. See {@link ExecutorRole}.
-     * @param remoteDeviceId Indicates the remote device id.
+     * @param remoteUdid Indicates the remote device udid.
      * @param signedExecutorInfo Indicates the signed executor info.
      *
      * @return Returns <b>0</b> if the operation is successful.
@@ -455,7 +468,21 @@ interface IUserAuthInterface {
      * @since 5.0
      * @version 1.0
      */
-    GetSignedExecutorInfo([in] int[] authTypes, [in] int executorRole, [in] unsigned char[] remoteDeviceId,
+    GetSignedExecutorInfo([in] int[] authTypes, [in] int executorRole, [in] String remoteUdid,
         [out] unsigned char[] signedExecutorInfo);
+    /**
+     * @brief Get auth result from message.
+     *
+     * @param remoteUdid Indicates the remote device udid.
+     * @param message is message received.
+     * @param authResultInfo Indicates authentication result information. See {@link AuthResultInfo}.
+     *
+     * @return Returns <b>0</b> if the operation is successful.
+     * @return Returns a non-zero value if the operation fails.
+     *
+     * @since 5.0
+     * @version 1.0
+     */
+    GetAuthResultFromMessage([in] String remoteUdid, [in] unsigned char[] message, [out] struct AuthResultInfo authResultInfo);
 }
 /** @} */
diff --git a/user_auth/v2_0/UserAuthTypes.idl b/user_auth/v2_0/UserAuthTypes.idl
index 32c237b5e914b3f4631b57a311ee1adb88ddff3b..5b601df893fe2fa40dd5a06c5e7ce20dd15e4aff 100644
--- a/user_auth/v2_0/UserAuthTypes.idl
+++ b/user_auth/v2_0/UserAuthTypes.idl
@@ -184,6 +184,10 @@ struct ExecutorRegisterInfo {
     int esl;
     /**< Public key of the executor. */
     unsigned char[] publicKey;
+    /**< Device udid. */
+    String deviceUdid;
+    /**< signed remote executor info. */
+    unsigned char[] signedRemoteExecutorInfo;
 };
 
 /**
@@ -237,6 +241,8 @@ struct AuthResultInfo {
     int userId;
     /**< Credential ID. */
     unsigned long credentialId;
+    /**< Remote auth result message. */
+    unsigned char[] remoteAuthResultMsg;
 };
 
 /**
@@ -324,12 +330,10 @@ struct ScheduleInfo {
     unsigned int executorMatcher;
     /**< Operation to perform. See @{scheduleMode}*/
     int scheduleMode;
-    /**< Executor information. See @{ExecutorInfo}. */
-    struct ExecutorInfo[] executors;
+    /**< Executor indexes. */
+    unsigned long [] executorIndexes;
     /**< Executor messages. */
     unsigned char[][] executorMessages;
-    /**< Remote message. */
-    unsigned char[] remoteMessage;
 };
 
 /**
@@ -398,10 +402,8 @@ struct AuthParam {
     int authIntent;
     /**< Is os account verified. */
     boolean isOsAccountVerified;
-    /**< Remote device id. */
-    unsigned char[] remoteDeviceId;
-    /**< Remote executor info. */
-    unsigned char[] remoteExecutorInfo;
+    /**< Collector udid. */
+    String collectorUdid;
 };
 
 /**