alder_lake_bios/Board/Oem/L05AlderLakeSMultiBoardPkg/Library/SmmDxeOemSvcNotebookPasswor.../OemSvcGetSecureKey.c

45 lines
1.4 KiB
C

/** @file
Provides an interface to Get Secure Key by EC.
;******************************************************************************
;* Copyright (c) 2020, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/
#include <SmmDxeOemSvcNotebookPasswordDesignLib.h>
/**
Provides an interface to Get Secure Key by EC.
@param SecureKey A pointer to the secure key for UHDP encryption.
@retval EFI_SUCCESS Get Secure Key success.
@retval EFI_UNSUPPORTED Returns unsupported by default. The return status will not be referenced.
**/
EFI_STATUS
OemSvcGetSecureKey (
UINT8 **SecureKey
)
{
//
// [Natural File Guard Design Guide V1.01]
// 2.2.1 Secure Key Generation
// Procedure:
// 2. During POST, BIOS will retrieve the Secure Key via IO port 0x66/0x62 just at the event of data
// encryption/decryption, and BIOS should clear the key buffer after the encryption/decryption.
//
//
// Todo:
// Add project specific code in here.
//
return EFI_UNSUPPORTED;
}