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diff --git a/RedfishPkg/PrivateLibrary/RedfishLib/RedfishMisc.h b/RedfishPkg/PrivateLibrary/RedfishLib/RedfishMisc.h
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+/** @file
+  Internal Functions for RedfishLib.
+
+  Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+  (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef DXE_REDFISH_MISC_LIB_H_
+#define DXE_REDFISH_MISC_LIB_H_
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/JsonLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PrintLib.h>
+#include <Library/RedfishLib.h>
+#include <Library/UefiLib.h>
+#include <Protocol/EdkIIRedfishCredential.h>
+#include <redfish.h>
+
+#define ARRAY_SIZE(Array) (sizeof (Array) / sizeof ((Array)[0]))
+
+/**
+  Creates a REDFISH_SERVICE which can be later used to access the Redfish resources.
+
+  This function will configure REST EX child according to parameters described in
+  Redfish network host interface in SMBIOS type 42 record. The service enumerator will also
+  handle the authentication flow automatically if HTTP basic auth or Redfish session
+  login is configured to use.
+
+  @param[in]  RedfishConfigServiceInfo Redfish service information the EFI Redfish
+                                       feature driver communicates with.
+  @param[in]  AuthMethod   None, HTTP basic auth, or Redfish session login.
+  @param[in]  UserId       User Name used for authentication.
+  @param[in]  Password     Password used for authentication.
+
+  @return     New created Redfish service, or NULL if error happens.
+
+**/
+REDFISH_SERVICE
+RedfishCreateLibredfishService (
+  IN REDFISH_CONFIG_SERVICE_INFORMATION   *RedfishConfigServiceInfo,
+  IN EDKII_REDFISH_AUTH_METHOD       AuthMethod,
+  IN CHAR8                           *UserId,
+  IN CHAR8                           *Password
+  );
+
+/**
+  Retrieve platform's Redfish authentication information.
+
+  This functions returns the Redfish authentication method together with the user
+  Id and password.
+  For AuthMethodNone, UserId and Password will point to NULL which means authentication
+  is not required to access the Redfish service.
+  For AuthMethodHttpBasic, the UserId and Password could be used for
+  HTTP header authentication as defined by RFC7235. For AuthMethodRedfishSession,
+  the UserId and Password could be used for Redfish session login as defined by
+  Redfish API specification (DSP0266).
+
+  Callers are responsible for freeing the returned string storage pointed by UserId
+  and Password.
+
+  @param[out]  AuthMethod          Type of Redfish authentication method.
+  @param[out]  UserId              The pointer to store the returned UserId string.
+  @param[out]  Password            The pointer to store the returned Password string.
+
+  @retval EFI_SUCCESS              Get the authentication information successfully.
+  @retval EFI_INVALID_PARAMETER    AuthMethod or UserId or Password is NULL.
+  @retval EFI_UNSUPPORTED          Unsupported authentication method is found.
+**/
+EFI_STATUS
+RedfishGetAuthInfo (
+  OUT  EDKII_REDFISH_AUTH_METHOD          *AuthMethod,
+  OUT  CHAR8                              **UserId,
+  OUT  CHAR8                              **Password
+  );
+
+#endif