From 98625337e4ef488994f73f20f042e669c23a6e87 Mon Sep 17 00:00:00 2001 From: Jiewen Yao Date: Wed, 22 Jul 2020 16:21:06 +0800 Subject: SecurityPkg/PeiTpmMeasurementLib: Add PEI instance. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2841 Cc: Jiewen Yao Cc: Jian J Wang Cc: Qi Zhang Signed-off-by: Jiewen Yao Reviewed-by: Qi Zhang Reviewed-by: Jian J Wang --- .../PeiTpmMeasurementLib/PeiTpmMeasurementLib.c | 74 ++++++++++++++++++++++ .../PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf | 50 +++++++++++++++ .../PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni | 17 +++++ 3 files changed, 141 insertions(+) create mode 100644 SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c create mode 100644 SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf create mode 100644 SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni (limited to 'SecurityPkg') diff --git a/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c new file mode 100644 index 0000000000..200e15a294 --- /dev/null +++ b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.c @@ -0,0 +1,74 @@ +/** @file + This library is used by other modules to measure data to TPM. + +Copyright (c) 2020, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include + +#include +#include +#include +#include +#include +#include + +#include +#include + +/** + Tpm measure and log data, and extend the measurement result into a specific PCR. + + @param[in] PcrIndex PCR Index. + @param[in] EventType Event type. + @param[in] EventLog Measurement event log. + @param[in] LogLen Event log length in bytes. + @param[in] HashData The start of the data buffer to be hashed, extended. + @param[in] HashDataLen The length, in bytes, of the buffer referenced by HashData + + @retval EFI_SUCCESS Operation completed successfully. + @retval EFI_UNSUPPORTED TPM device not available. + @retval EFI_OUT_OF_RESOURCES Out of memory. + @retval EFI_DEVICE_ERROR The operation was unsuccessful. +**/ +EFI_STATUS +EFIAPI +TpmMeasureAndLogData ( + IN UINT32 PcrIndex, + IN UINT32 EventType, + IN VOID *EventLog, + IN UINT32 LogLen, + IN VOID *HashData, + IN UINT64 HashDataLen + ) +{ + EFI_STATUS Status; + EDKII_TCG_PPI *TcgPpi; + TCG_PCR_EVENT_HDR TcgEventHdr; + + Status = PeiServicesLocatePpi ( + &gEdkiiTcgPpiGuid, + 0, + NULL, + (VOID**)&TcgPpi + ); + if (EFI_ERROR(Status)) { + return Status; + } + + TcgEventHdr.PCRIndex = PcrIndex; + TcgEventHdr.EventType = EventType; + TcgEventHdr.EventSize = LogLen; + + Status = TcgPpi->HashLogExtendEvent ( + TcgPpi, + 0, + HashData, + (UINTN)HashDataLen, + &TcgEventHdr, + EventLog + ); + return Status; +} diff --git a/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf new file mode 100644 index 0000000000..6625d0fd01 --- /dev/null +++ b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.inf @@ -0,0 +1,50 @@ +## @file +# Provides TPM measurement functions for TPM1.2 and TPM 2.0 +# +# This library provides TpmMeasureAndLogData() to measure and log data, and +# extend the measurement result into a specific PCR. +# +# Copyright (c) 2020, Intel Corporation. All rights reserved.
+# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = PeiTpmMeasurementLib + FILE_GUID = 9A62C49D-C45A-4322-9F3C-45958DF0056B + MODULE_TYPE = PEIM + VERSION_STRING = 1.0 + LIBRARY_CLASS = TpmMeasurementLib|PEIM + MODULE_UNI_FILE = PeiTpmMeasurementLib.uni + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 +# + +[Sources] + PeiTpmMeasurementLib.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + SecurityPkg/SecurityPkg.dec + +[LibraryClasses] + BaseLib + BaseMemoryLib + HobLib + DebugLib + PcdLib + PrintLib + PeiServicesLib + PeiServicesTablePointerLib + +[Ppis] + gEdkiiTcgPpiGuid ## CONSUMES + +[Depex] + gEfiPeiMasterBootModePpiGuid AND + gEfiTpmDeviceSelectedGuid diff --git a/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni new file mode 100644 index 0000000000..7b4341b449 --- /dev/null +++ b/SecurityPkg/Library/PeiTpmMeasurementLib/PeiTpmMeasurementLib.uni @@ -0,0 +1,17 @@ +// /** @file +// Provides TPM measurement functions for TPM1.2 and TPM 2.0 +// +// This library provides TpmMeasureAndLogData() to to measure and log data, and +// extend the measurement result into a specific PCR. +// +// Copyright (c) 2020, Intel Corporation. All rights reserved.
+// +// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + + +#string STR_MODULE_ABSTRACT #language en-US "Provides TPM measurement functions for TPM1.2 and TPM 2.0" + +#string STR_MODULE_DESCRIPTION #language en-US "This library provides TpmMeasureAndLogData() to to measure and log data, and extend the measurement result into a specific PCR." + -- cgit v1.2.3