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Security/SecTpmMeasurementLibTdx: Delete unused SecTpmMeasurementLibTdx
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4752 Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Min Xu <min.m.xu@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
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Min M Xu
mergify[bot]
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commit
71aaf7a308
@ -1,175 +0,0 @@
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/** @file
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This library is used by other modules to measure data to TPM.
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Copyright (c) 2020, Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Guid/CcEventHob.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/HashLib.h>
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#include <Library/HobLib.h>
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#include <Library/PrintLib.h>
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#include <IndustryStandard/Tpm20.h>
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#include <Protocol/CcMeasurement.h>
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#include <Library/TpmMeasurementLib.h>
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#pragma pack(1)
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typedef struct {
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UINT32 Count;
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TPMI_ALG_HASH HashAlg;
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BYTE Sha384[SHA384_DIGEST_SIZE];
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} TDX_DIGEST_VALUE;
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#pragma pack()
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#define INVALID_PCR2MR_INDEX 0xFF
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/**
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Get the mapped RTMR index based on the input PCRIndex.
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RTMR[0] => PCR[1,7]
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RTMR[1] => PCR[2,3,4,5,6]
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RTMR[2] => PCR[8~15]
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RTMR[3] => NA
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Note:
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PCR[0] is mapped to MRTD and should not appear here.
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@param[in] PCRIndex The input PCR index
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@retval UINT8 The mapped RTMR index.
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**/
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UINT8
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GetMappedRtmrIndex (
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IN UINT32 PCRIndex
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)
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{
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UINT8 RtmrIndex;
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if ((PCRIndex == 0) || (PCRIndex > 15)) {
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DEBUG ((DEBUG_ERROR, "Invalid PCRIndex(%d) map to MR Index.\n", PCRIndex));
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ASSERT (FALSE);
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return INVALID_PCR2MR_INDEX;
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}
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RtmrIndex = 0;
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if ((PCRIndex == 1) || (PCRIndex == 7)) {
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RtmrIndex = 0;
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} else if ((PCRIndex >= 2) && (PCRIndex <= 6)) {
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RtmrIndex = 1;
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} else if ((PCRIndex >= 8) && (PCRIndex <= 15)) {
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RtmrIndex = 2;
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}
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return RtmrIndex;
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}
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/**
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Tpm measure and log data, and extend the measurement result into a specific PCR.
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@param[in] PcrIndex PCR Index.
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@param[in] EventType Event type.
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@param[in] EventLog Measurement event log.
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@param[in] LogLen Event log length in bytes.
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@param[in] HashData The start of the data buffer to be hashed, extended.
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@param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_UNSUPPORTED TPM device not available.
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@retval EFI_OUT_OF_RESOURCES Out of memory.
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@retval EFI_DEVICE_ERROR The operation was unsuccessful.
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**/
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EFI_STATUS
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EFIAPI
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TpmMeasureAndLogData (
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IN UINT32 PcrIndex,
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IN UINT32 EventType,
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IN VOID *EventLog,
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IN UINT32 LogLen,
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IN VOID *HashData,
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IN UINT64 HashDataLen
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)
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{
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EFI_STATUS Status;
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UINT32 RtmrIndex;
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VOID *EventHobData;
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TCG_PCR_EVENT2 *TcgPcrEvent2;
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UINT8 *DigestBuffer;
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TDX_DIGEST_VALUE *TdxDigest;
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TPML_DIGEST_VALUES DigestList;
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UINT8 *Ptr;
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if (!TdIsEnabled ()) {
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return EFI_UNSUPPORTED;
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}
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RtmrIndex = GetMappedRtmrIndex (PcrIndex);
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if (RtmrIndex == INVALID_PCR2MR_INDEX) {
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return EFI_INVALID_PARAMETER;
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}
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DEBUG ((DEBUG_INFO, "Creating TdTcg2PcrEvent PCR[%d]/RTMR[%d] EventType 0x%x\n", PcrIndex, RtmrIndex, EventType));
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Status = HashAndExtend (
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RtmrIndex,
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(VOID *)HashData,
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HashDataLen,
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&DigestList
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_INFO, "Failed to HashAndExtend. %r\n", Status));
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return Status;
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}
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//
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// Use TDX_DIGEST_VALUE in the GUID HOB DataLength calculation
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// to reserve enough buffer to hold TPML_DIGEST_VALUES compact binary
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// which is limited to a SHA384 digest list
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//
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EventHobData = BuildGuidHob (
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&gCcEventEntryHobGuid,
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sizeof (TcgPcrEvent2->PCRIndex) + sizeof (TcgPcrEvent2->EventType) +
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sizeof (TDX_DIGEST_VALUE) +
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sizeof (TcgPcrEvent2->EventSize) + LogLen
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);
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if (EventHobData == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Ptr = (UINT8 *)EventHobData;
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//
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// Initialize PcrEvent data now
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//
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RtmrIndex++;
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CopyMem (Ptr, &RtmrIndex, sizeof (UINT32));
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Ptr += sizeof (UINT32);
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CopyMem (Ptr, &EventType, sizeof (TCG_EVENTTYPE));
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Ptr += sizeof (TCG_EVENTTYPE);
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DigestBuffer = Ptr;
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TdxDigest = (TDX_DIGEST_VALUE *)DigestBuffer;
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TdxDigest->Count = 1;
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TdxDigest->HashAlg = TPM_ALG_SHA384;
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CopyMem (
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TdxDigest->Sha384,
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DigestList.digests[0].digest.sha384,
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SHA384_DIGEST_SIZE
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);
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Ptr += sizeof (TDX_DIGEST_VALUE);
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CopyMem (Ptr, &LogLen, sizeof (UINT32));
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Ptr += sizeof (UINT32);
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CopyMem (Ptr, EventLog, LogLen);
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Ptr += LogLen;
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Status = EFI_SUCCESS;
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return Status;
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}
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@ -1,34 +0,0 @@
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## @file
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# Provides RTMR based measurement functions for Intel Tdx guest.
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#
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# This library provides TpmMeasureAndLogData() in a TDX guest to measure and log data, and
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# extend the measurement result into a specific RTMR.
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#
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# Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = SecTpmMeasurementLibTdx
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FILE_GUID = 1aeb641c-0324-47bd-b29d-e59671fc4106
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = TpmMeasurementLib|SEC
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[Sources]
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SecTpmMeasurementLibTdx.c
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[Packages]
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CryptoPkg/CryptoPkg.dec
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MdeModulePkg/MdeModulePkg.dec
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MdePkg/MdePkg.dec
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SecurityPkg/SecurityPkg.dec
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[Guids]
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gCcEventEntryHobGuid
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[LibraryClasses]
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BaseLib
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HashLib
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@ -99,7 +99,6 @@
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[LibraryClasses.X64.SEC]
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HashLib|SecurityPkg/Library/HashLibTdx/HashLibTdx.inf
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TpmMeasurementLib|SecurityPkg/Library/SecTpmMeasurementLib/SecTpmMeasurementLibTdx.inf
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[LibraryClasses.X64.DXE_DRIVER]
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HashLib|SecurityPkg/Library/HashLibTdx/HashLibTdx.inf
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@ -296,7 +295,6 @@
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[Components.X64]
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SecurityPkg/Library/HashLibTdx/HashLibTdx.inf
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SecurityPkg/Library/SecTpmMeasurementLib/SecTpmMeasurementLibTdx.inf
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SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.inf {
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<LibraryClasses>
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HashLib|SecurityPkg/Library/HashLibTdx/HashLibTdx.inf
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