From: Marc-André Lureau <marcandre.lur...@redhat.com> This module measures and log the boot environment. It also produces the Tcg2 protocol, which allows for example to read the log from OS:
[ 0.000000] efi: EFI v2.70 by EDK II [ 0.000000] efi: SMBIOS=0x3fa1f000 ACPI=0x3fbb6000 ACPI 2.0=0x3fbb6014 MEMATTR=0x3e7d4318 TPMEventLog=0x3db21018 $ python chipsec_util.py tpm parse_log binary_bios_measurements [CHIPSEC] Version 1.3.5.dev2 [CHIPSEC] API mode: using OS native API (not using CHIPSEC kernel module) [CHIPSEC] Executing command 'tpm' with args ['parse_log', '/tmp/binary_bios_measurements'] PCR: 0 type: EV_S_CRTM_VERSION size: 0x2 digest: 1489f923c4dca729178b3e3233458550d8dddf29 + version: PCR: 0 type: EV_EFI_PLATFORM_FIRMWARE_BLOB size: 0x10 digest: fd39ced7c0d2a61f6830c78c7625f94826b05bcc + base: 0x820000 length: 0xe0000 PCR: 0 type: EV_EFI_PLATFORM_FIRMWARE_BLOB size: 0x10 digest: 39ebc6783b72bc1e73c7d5bcfeb5f54a3f105d4c + base: 0x900000 length: 0xa00000 PCR: 7 type: EV_EFI_VARIABLE_DRIVER_CONFIG size: 0x35 digest: 57cd4dc19442475aa82743484f3b1caa88e142b8 PCR: 7 type: EV_EFI_VARIABLE_DRIVER_CONFIG size: 0x24 digest: 9b1387306ebb7ff8e795e7be77563666bbf4516e PCR: 7 type: EV_EFI_VARIABLE_DRIVER_CONFIG size: 0x26 digest: 9afa86c507419b8570c62167cb9486d9fc809758 PCR: 7 type: EV_EFI_VARIABLE_DRIVER_CONFIG size: 0x24 digest: 5bf8faa078d40ffbd03317c93398b01229a0e1e0 PCR: 7 type: EV_EFI_VARIABLE_DRIVER_CONFIG size: 0x26 digest: 734424c9fe8fc71716c42096f4b74c88733b175e PCR: 7 type: EV_SEPARATOR size: 0x4 digest: 9069ca78e7450a285173431b3e52c5c25299e473 PCR: 1 type: EV_EFI_VARIABLE_BOOT size: 0x3e digest: 252f8ebb85340290b64f4b06a001742be8e5cab6 PCR: 1 type: EV_EFI_VARIABLE_BOOT size: 0x6e digest: 22a4f6ee9af6dba01d3528deb64b74b582fc182b PCR: 1 type: EV_EFI_VARIABLE_BOOT size: 0x80 digest: b7811d5bf30a7efd4e385c6179fe10d9290bb9e8 PCR: 1 type: EV_EFI_VARIABLE_BOOT size: 0x84 digest: 425e502c24fc924e231e0a62327b6b7d1f704573 PCR: 1 type: EV_EFI_VARIABLE_BOOT size: 0x9a digest: 0b5d2c98ac5de6148a4a1490ff9d5df69039f04e PCR: 1 type: EV_EFI_VARIABLE_BOOT size: 0xbd digest: 20bd5f402271d57a88ea314fe35c1705956b1f74 PCR: 1 type: EV_EFI_VARIABLE_BOOT size: 0x88 digest: df5d6605cb8f4366d745a8464cfb26c1efdc305c PCR: 4 type: EV_EFI_ACTION size: 0x28 digest: cd0fdb4531a6ec41be2753ba042637d6e5f7f256 PCR: 0 type: EV_SEPARATOR size: 0x4 digest: 9069ca78e7450a285173431b3e52c5c25299e473 PCR: 1 type: EV_SEPARATOR size: 0x4 digest: 9069ca78e7450a285173431b3e52c5c25299e473 PCR: 2 type: EV_SEPARATOR size: 0x4 digest: 9069ca78e7450a285173431b3e52c5c25299e473 PCR: 3 type: EV_SEPARATOR size: 0x4 digest: 9069ca78e7450a285173431b3e52c5c25299e473 PCR: 4 type: EV_SEPARATOR size: 0x4 digest: 9069ca78e7450a285173431b3e52c5c25299e473 PCR: 5 type: EV_SEPARATOR size: 0x4 digest: 9069ca78e7450a285173431b3e52c5c25299e473 $ tpm2_pcrlist sha1 : 0 : 35bd1786b6909daad610d7598b1d620352d33b8a 1 : ec0511e860206e0af13c31da2f9e943fb6ca353d 2 : b2a83b0ebf2f8374299a5b2bdfc31ea955ad7236 3 : b2a83b0ebf2f8374299a5b2bdfc31ea955ad7236 4 : 45a323382bd933f08e7f0e256bc8249e4095b1ec 5 : d16d7e629fd8d08ca256f9ad3a3a1587c9e6cc1b 6 : b2a83b0ebf2f8374299a5b2bdfc31ea955ad7236 7 : 518bd167271fbb64589c61e43d8c0165861431d8 8 : 0000000000000000000000000000000000000000 9 : 0000000000000000000000000000000000000000 10 : 0000000000000000000000000000000000000000 11 : 0000000000000000000000000000000000000000 12 : 0000000000000000000000000000000000000000 13 : 0000000000000000000000000000000000000000 14 : 0000000000000000000000000000000000000000 15 : 0000000000000000000000000000000000000000 16 : 0000000000000000000000000000000000000000 17 : ffffffffffffffffffffffffffffffffffffffff 18 : ffffffffffffffffffffffffffffffffffffffff 19 : ffffffffffffffffffffffffffffffffffffffff 20 : ffffffffffffffffffffffffffffffffffffffff 21 : ffffffffffffffffffffffffffffffffffffffff 22 : ffffffffffffffffffffffffffffffffffffffff 23 : 0000000000000000000000000000000000000000 sha256 : 0 : 9ae903dbae3357ac00d223660bac19ea5c021499a56201104332ab966631ce2c 1 : acc611d90245cf04e77b0ca94901f90e7fa54770f0426f53c3049b532243d1b8 2 : 3d458cfe55cc03ea1f443f1562beec8df51c75e14a9fcf9a7234a13f198e7969 3 : 3d458cfe55cc03ea1f443f1562beec8df51c75e14a9fcf9a7234a13f198e7969 4 : 7a94ffe8a7729a566d3d3c577fcb4b6b1e671f31540375f80eae6382ab785e35 5 : a5ceb755d043f32431d63e39f5161464620a3437280494b5850dc1b47cc074e0 6 : 3d458cfe55cc03ea1f443f1562beec8df51c75e14a9fcf9a7234a13f198e7969 7 : 65caf8dd1e0ea7a6347b635d2b379c93b9a1351edc2afc3ecda700e534eb3068 8 : 0000000000000000000000000000000000000000000000000000000000000000 9 : 0000000000000000000000000000000000000000000000000000000000000000 10 : 0000000000000000000000000000000000000000000000000000000000000000 11 : 0000000000000000000000000000000000000000000000000000000000000000 12 : 0000000000000000000000000000000000000000000000000000000000000000 13 : 0000000000000000000000000000000000000000000000000000000000000000 14 : 0000000000000000000000000000000000000000000000000000000000000000 15 : 0000000000000000000000000000000000000000000000000000000000000000 16 : 0000000000000000000000000000000000000000000000000000000000000000 17 : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 18 : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 19 : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 20 : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 21 : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 22 : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 23 : 0000000000000000000000000000000000000000000000000000000000000000 sha384 : The PhysicalPresenceLib is required, it sets some variables, but the firmware doesn't act on it yet. CC: Laszlo Ersek <ler...@redhat.com> CC: Stefan Berger <stef...@linux.vnet.ibm.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- OvmfPkg/OvmfPkgX64.dsc | 15 +++++++++++++++ OvmfPkg/OvmfPkgX64.fdf | 4 ++++ 2 files changed, 19 insertions(+) diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 34a7c2778e..9bd0709f98 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -213,6 +213,8 @@ !if $(TPM2_ENABLE) == TRUE Tpm12CommandLib|SecurityPkg/Library/Tpm12CommandLib/Tpm12CommandLib.inf Tpm2CommandLib|SecurityPkg/Library/Tpm2CommandLib/Tpm2CommandLib.inf + Tcg2PhysicalPresenceLib|SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.inf + Tcg2PpVendorLib|SecurityPkg/Library/Tcg2PpVendorLibNull/Tcg2PpVendorLibNull.inf !endif [LibraryClasses.common] @@ -364,6 +366,11 @@ PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf MpInitLib|UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf QemuFwCfgS3Lib|OvmfPkg/Library/QemuFwCfgS3Lib/DxeQemuFwCfgS3LibFwCfg.inf +!if $(TPM2_ENABLE) + HashLib|SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterDxe.inf + Tpm12DeviceLib|SecurityPkg/Library/Tpm12DeviceLibTcg/Tpm12DeviceLibTcg.inf + Tpm2DeviceLib|SecurityPkg/Library/Tpm2DeviceLibTcg2/Tpm2DeviceLibTcg2.inf +!endif [LibraryClasses.common.UEFI_APPLICATION] PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf @@ -654,6 +661,14 @@ NULL|SecurityPkg/Library/HashInstanceLibSha1/HashInstanceLibSha1.inf NULL|SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.inf } + + SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf { + <LibraryClasses> + Tpm2DeviceLib|SecurityPkg/Library/Tpm2DeviceLibRouter/Tpm2DeviceLibRouterDxe.inf + NULL|SecurityPkg/Library/Tpm2DeviceLibDTpm/Tpm2InstanceLibDTpm.inf + NULL|SecurityPkg/Library/HashInstanceLibSha1/HashInstanceLibSha1.inf + NULL|SecurityPkg/Library/HashInstanceLibSha256/HashInstanceLibSha256.inf + } !endif !if $(SECURE_BOOT_ENABLE) == TRUE diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf index 9558142a42..b8dd7ecae4 100644 --- a/OvmfPkg/OvmfPkgX64.fdf +++ b/OvmfPkg/OvmfPkgX64.fdf @@ -397,6 +397,10 @@ INF MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf INF MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf !endif +!if $(TPM2_ENABLE) == TRUE +INF SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.inf +!endif + ################################################################################ [FV.FVMAIN_COMPACT] -- 2.16.1.73.g5832b7e9f2