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| author | Min M Xu <min.m.xu@intel.com> | 2023-01-18 07:53:26 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-01-18 04:29:14 +0000 |
| commit | e0dcfb31fb5e008f718af3136a31aae48f0a8007 (patch) | |
| tree | 5f22321ab1c888b0bdd8b9b45919c4723b3846bf | |
| parent | e05132aaa091701b457ebcd725484ee5751759da (diff) | |
| download | edk2-e0dcfb31fb5e008f718af3136a31aae48f0a8007.tar.gz edk2-e0dcfb31fb5e008f718af3136a31aae48f0a8007.tar.bz2 edk2-e0dcfb31fb5e008f718af3136a31aae48f0a8007.zip | |
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>
| -rw-r--r-- | SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c b/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c index d19923b0c6..59341a8c02 100644 --- a/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c +++ b/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c @@ -1873,12 +1873,8 @@ ReadAndMeasureBootVariable ( OUT VOID **VarData
)
{
- //
- // Boot variables are measured into (PCR[5]) RTMR[1],
- // details in section 8.1 of TDVF design guide.
- //
return ReadAndMeasureVariable (
- MapPcrToMrIndex (5),
+ MapPcrToMrIndex (1),
EV_EFI_VARIABLE_BOOT,
VarName,
VendorGuid,
|