diff options
Diffstat (limited to 'SecurityPkg/Tcg')
| -rw-r--r-- | SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c | 61 | ||||
| -rw-r--r-- | SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf | 4 |
2 files changed, 57 insertions, 8 deletions
diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c index f6ea8b2..b8f50e2 100644 --- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c +++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c @@ -1,7 +1,7 @@ /** @file
This module implements Tcg2 Protocol.
-Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2015 - 2024, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -19,6 +19,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include <Guid/EventExitBootServiceFailed.h>
#include <Guid/ImageAuthentication.h>
#include <Guid/TpmInstance.h>
+#include <Guid/DeviceAuthentication.h>
#include <Protocol/DevicePath.h>
#include <Protocol/MpService.h>
@@ -1230,10 +1231,25 @@ TcgDxeHashLogExtendEvent ( //
// Do not do TPM extend for EV_NO_ACTION
//
- Status = EFI_SUCCESS;
- InitNoActionEvent (&NoActionEvent, NewEventHdr->EventSize);
- if ((Flags & EFI_TCG2_EXTEND_ONLY) == 0) {
- Status = TcgDxeLogHashEvent (&(NoActionEvent.Digests), NewEventHdr, NewEventData);
+ if (NewEventHdr->PCRIndex <= MAX_PCR_INDEX) {
+ Status = EFI_SUCCESS;
+ InitNoActionEvent (&NoActionEvent, NewEventHdr->EventSize);
+ if ((Flags & EFI_TCG2_EXTEND_ONLY) == 0) {
+ Status = TcgDxeLogHashEvent (&(NoActionEvent.Digests), NewEventHdr, NewEventData);
+ }
+ } else {
+ //
+ // Extend to NvIndex
+ //
+ Status = HashAndExtend (
+ NewEventHdr->PCRIndex,
+ HashData,
+ (UINTN)HashDataLen,
+ &DigestList
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = TcgDxeLogHashEvent (&DigestList, NewEventHdr, NewEventData);
+ }
}
return Status;
@@ -1317,7 +1333,7 @@ Tcg2HashLogExtendEvent ( return EFI_INVALID_PARAMETER;
}
- if (Event->Header.PCRIndex > MAX_PCR_INDEX) {
+ if ((Event->Header.EventType != EV_NO_ACTION) && (Event->Header.PCRIndex > MAX_PCR_INDEX)) {
return EFI_INVALID_PARAMETER;
}
@@ -2063,7 +2079,7 @@ MeasureVariable ( );
}
- if (EventType == EV_EFI_VARIABLE_DRIVER_CONFIG) {
+ if ((EventType == EV_EFI_VARIABLE_DRIVER_CONFIG) || (EventType == EV_EFI_SPDM_DEVICE_POLICY)) {
//
// Digest is the event data (UEFI_VARIABLE_DATA)
//
@@ -2319,6 +2335,37 @@ MeasureAllSecureVariables ( DEBUG ((DEBUG_INFO, "Skip measuring variable %s since it's deleted\n", EFI_IMAGE_SECURITY_DATABASE2));
}
+ //
+ // Meaurement UEFI device signature database
+ //
+ if ((PcdGet32 (PcdTcgPfpMeasurementRevision) >= TCG_EfiSpecIDEventStruct_SPEC_ERRATA_TPM2_REV_106) &&
+ (PcdGet8 (PcdEnableSpdmDeviceAuthentication) != 0))
+ {
+ Status = GetVariable2 (EFI_DEVICE_SECURITY_DATABASE, &gEfiDeviceSignatureDatabaseGuid, &Data, &DataSize);
+ if (Status == EFI_SUCCESS) {
+ Status = MeasureVariable (
+ PCR_INDEX_FOR_SIGNATURE_DB,
+ EV_EFI_SPDM_DEVICE_POLICY,
+ EFI_DEVICE_SECURITY_DATABASE,
+ &gEfiDeviceSignatureDatabaseGuid,
+ Data,
+ DataSize
+ );
+ FreePool (Data);
+ } else if (Status == EFI_NOT_FOUND) {
+ Data = NULL;
+ DataSize = 0;
+ Status = MeasureVariable (
+ PCR_INDEX_FOR_SIGNATURE_DB,
+ EV_EFI_SPDM_DEVICE_POLICY,
+ EFI_DEVICE_SECURITY_DATABASE,
+ &gEfiDeviceSignatureDatabaseGuid,
+ Data,
+ DataSize
+ );
+ }
+ }
+
return EFI_SUCCESS;
}
diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf index 7dc7a26..a645474 100644 --- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf +++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf @@ -16,7 +16,7 @@ # This external input must be validated carefully to avoid security issue like
# buffer overflow, integer overflow.
#
-# Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2015 - 2024, Intel Corporation. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
@@ -86,6 +86,7 @@ gTcgEvent2EntryHobGuid ## SOMETIMES_CONSUMES ## HOB
gTpm2StartupLocalityHobGuid ## SOMETIMES_CONSUMES ## HOB
gTcg800155PlatformIdEventHobGuid ## SOMETIMES_CONSUMES ## HOB
+ gEfiDeviceSignatureDatabaseGuid
[Protocols]
gEfiTcg2ProtocolGuid ## PRODUCES
@@ -107,6 +108,7 @@ gEfiSecurityPkgTokenSpaceGuid.PcdTpm2AcpiTableLaml ## PRODUCES
gEfiSecurityPkgTokenSpaceGuid.PcdTpm2AcpiTableLasa ## PRODUCES
gEfiMdeModulePkgTokenSpaceGuid.PcdTcgPfpMeasurementRevision ## CONSUMES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdEnableSpdmDeviceAuthentication ## CONSUMES
[Depex]
# According to PcdTpm2AcpiTableRev definition in SecurityPkg.dec
|