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SecurityPkg/TdTcg2Dxe: Extend EFI boot variable to PCR[1] 

According to TCG PC Client PFP spec 0021 Section 2.4.4.2 EFI boot variable
should be measured and extended to PCR[1], not PCR[5]. This patch is
proposed to fix this error.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
This commit is contained in:
Min M Xu 2023-01-18 07:53:26 +08:00 committed by mergify[bot]
parent e05132aaa0
commit e0dcfb31fb
1 changed files with 1 additions and 5 deletions
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6
SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c
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@ -1873,12 +1873,8 @@ ReadAndMeasureBootVariable (
OUT VOID **VarData OUT VOID **VarData
) )
{ {
//
// Boot variables are measured into (PCR[5]) RTMR[1],
// details in section 8.1 of TDVF design guide.
//
return ReadAndMeasureVariable ( return ReadAndMeasureVariable (
MapPcrToMrIndex (5), MapPcrToMrIndex (1),
EV_EFI_VARIABLE_BOOT, EV_EFI_VARIABLE_BOOT,
VarName, VarName,
VendorGuid, VendorGuid,