From e0dcfb31fb5e008f718af3136a31aae48f0a8007 Mon Sep 17 00:00:00 2001 From: Min M Xu Date: Wed, 18 Jan 2023 07:53:26 +0800 Subject: 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 Cc: Jian J Wang Reviewed-by: Jiewen Yao Signed-off-by: Min Xu --- SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'SecurityPkg/Tcg') 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, -- cgit v1.2.3