audk/SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.c

68 lines
2.1 KiB
C

/** @file
Null version of VariableKeyLib for build purpose. Don't use it in real product.
Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/DebugLib.h>
#include <Library/VariableKeyLib.h>
/**
Retrieves the key for integrity and/or confidentiality of variables.
@param[out] VariableKey A pointer to pointer for the variable key buffer.
@param[in,out] VariableKeySize The size in bytes of the variable key.
@retval EFI_SUCCESS The variable key was returned.
@retval EFI_DEVICE_ERROR An error occurred while attempting to get the variable key.
@retval EFI_ACCESS_DENIED The function was invoked after locking the key interface.
@retval EFI_UNSUPPORTED The variable key is not supported in the current boot configuration.
**/
EFI_STATUS
EFIAPI
GetVariableKey (
OUT VOID **VariableKey,
IN OUT UINTN *VariableKeySize
)
{
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
/**
Regenerates the variable key.
@retval EFI_SUCCESS The variable key was regenerated successfully.
@retval EFI_DEVICE_ERROR An error occurred while attempting to regenerate the key.
@retval EFI_ACCESS_DENIED The function was invoked after locking the key interface.
@retval EFI_UNSUPPORTED Key regeneration is not supported in the current boot configuration.
**/
EFI_STATUS
EFIAPI
RegenerateVariableKey (
VOID
)
{
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}
/**
Locks the regenerate key interface.
@retval EFI_SUCCESS The key interface was locked successfully.
@retval EFI_UNSUPPORTED Locking the key interface is not supported in the current boot configuration.
@retval Others An error occurred while attempting to lock the key interface.
**/
EFI_STATUS
EFIAPI
LockVariableKeyInterface (
VOID
)
{
ASSERT (FALSE);
return EFI_UNSUPPORTED;
}