Rtmr.c File Reference

#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Uefi/UefiBaseType.h>
#include <Library/TdxLib.h>
#include <Library/BaseMemoryLib.h>
#include <IndustryStandard/Tpm20.h>
#include <IndustryStandard/Tdx.h>

Go to the source code of this file.

Macros
#define	RTMR_COUNT   4
#define	TD_EXTEND_BUFFER_LEN   (64 + 48)

Functions
EFI_STATUS EFIAPI	TdExtendRtmr (IN UINT32 *Data, IN UINT32 DataLen, IN UINT8 Index)

Variables
UINT8	mExtendBuffer [TD_EXTEND_BUFFER_LEN]

Detailed Description

Extends one of the RTMR measurement registers in TDCS with the provided extension data in memory.

Copyright (c) 2020 - 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Rtmr.c.

Macro Definition Documentation

RTMR_COUNT

#define RTMR_COUNT   4

Definition at line 19 of file Rtmr.c.

TD_EXTEND_BUFFER_LEN

#define TD_EXTEND_BUFFER_LEN   (64 + 48)

Definition at line 20 of file Rtmr.c.

Function Documentation

TdExtendRtmr()

EFI_STATUS EFIAPI TdExtendRtmr	(	IN UINT32 *	Data,
		IN UINT32	DataLen,
		IN UINT8	Index
	)

This function extends one of the RTMR measurement register in TDCS with the provided extension data in memory. RTMR extending supports SHA384 which length is 48 bytes.

Parameters

[in]	Data	Point to the data to be extended
[in]	DataLen	Length of the data. Must be 48
[in]	Index	RTMR index

Returns

EFI_SUCCESS

EFI_INVALID_PARAMETER

EFI_DEVICE_ERROR

Definition at line 40 of file Rtmr.c.

Variable Documentation

mExtendBuffer

UINT8 mExtendBuffer[TD_EXTEND_BUFFER_LEN]

Definition at line 22 of file Rtmr.c.