audk/CryptoPkg/Library/BaseCryptLib/Kdf/CryptHkdfNull.c

44 lines
1.3 KiB
C

/** @file
HMAC-SHA256 KDF Wrapper Implementation which does not provide real capabilities.
Copyright (c) 2018 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/BaseCryptLib.h>
#include <Library/DebugLib.h>
/**
Derive key data using HMAC-SHA256 based KDF.
@param[in] Key Pointer to the user-supplied key.
@param[in] KeySize Key size in bytes.
@param[in] Salt Pointer to the salt(non-secret) value.
@param[in] SaltSize Salt size in bytes.
@param[in] Info Pointer to the application specific info.
@param[in] InfoSize Info size in bytes.
@param[out] Out Pointer to buffer to receive hkdf value.
@param[in] OutSize Size of hkdf bytes to generate.
@retval TRUE Hkdf generated successfully.
@retval FALSE Hkdf generation failed.
**/
BOOLEAN
EFIAPI
HkdfSha256ExtractAndExpand (
IN CONST UINT8 *Key,
IN UINTN KeySize,
IN CONST UINT8 *Salt,
IN UINTN SaltSize,
IN CONST UINT8 *Info,
IN UINTN InfoSize,
OUT UINT8 *Out,
IN UINTN OutSize
)
{
ASSERT (FALSE);
return FALSE;
}