Change EV_EFI_VARIABLE_BOOT measure behavior. Include VarName, VarGuid to hash
extend to PCR
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zh...@intel.com>
---
SecurityPkg/Tcg/TcgDxe/TcgDxe.c | 4 ++--
SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c | 28 ++++++++--------------------
2 files changed, 10 insertions(+), 22 deletions(-)
diff --git a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
index f15e943..4b9afe3 100644
--- a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
+++ b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
@@ -959,8 +959,8 @@ MeasureVariable (
Status = TcgDxeHashLogExtendEventI (
&mTcgDxeData,
- (UINT8*)VarData,
- VarSize,
+ (UINT8*)VarLog,
+ TcgEvent.EventSize,
&TcgEvent,
(UINT8*)VarLog
);
diff --git a/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
b/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
index 6126bd8..582f09f 100644
--- a/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
+++ b/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
@@ -1206,26 +1206,14 @@ MeasureVariable (
);
}
- if (EventType == EV_EFI_VARIABLE_DRIVER_CONFIG) {
- //
- // Digest is the event data (EFI_VARIABLE_DATA_TREE)
- //
- Status = TcgDxeHashLogExtendEvent (
- 0,
- (UINT8*)VarLog,
- TcgEvent.EventSize,
- &TcgEvent,
- (UINT8*)VarLog
- );
- } else {
- Status = TcgDxeHashLogExtendEvent (
- 0,
- (UINT8*)VarData,
- VarSize,
- &TcgEvent,
- (UINT8*)VarLog
- );
- }
+ Status = TcgDxeHashLogExtendEvent (
+ 0,
+ (UINT8*)VarLog,
+ TcgEvent.EventSize,
+ &TcgEvent,
+ (UINT8*)VarLog
+ );
+
FreePool (VarLog);
return Status;
}
--
1.9.5.msysgit.1
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