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SecurityPkg\Tcg2Pei: FV measure performance enhancement

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1. Leverage Pre-Hashed FV PPI to reduce duplicated hash
2. Only measure BFV at the beginning. Other FVs are measured in FVinfo callback with nested
   FV check. https://bugzilla.tianocore.org/show_bug.cgi?id=662

Cc: Long Qin <qin.long@intel.com>
Cc: Yao Jiewen <jiewen.yao@intel.com>
Cc: Sean Brogan <sean.brogan@microsoft.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Long Qin <qin.long@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>
This commit is contained in:
Zhang, Chao B
2017-07-27 14:22:00 +08:00
parent 53c6ff1803
commit d7c054f985
4 changed files with 253 additions and 73 deletions
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2
SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.inf
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@@ -9,6 +9,7 @@
# This module will initialize TPM device, measure reported FVs and BIOS version.
#
# Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2017, Microsoft Corporation. All rights reserved. <BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -75,6 +76,7 @@
gPeiTpmInitializedPpiGuid ## SOMETIMES_PRODUCES
gPeiTpmInitializationDonePpiGuid ## PRODUCES
gEfiEndOfPeiSignalPpiGuid ## SOMETIMES_CONSUMES ## NOTIFY
gEdkiiPeiFirmwareVolumeInfoPrehashedFvPpiGuid ## SOMETIMES_CONSUMES
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVersionString ## SOMETIMES_CONSUMES