Subject: Re: [edk2-devel] [PATCH 1/6] SecurityPkg/TcgPpi: Add TcgPpi header
file.
The more I think about it, the more I like your idea of registering early and
allowing a PPI notification callback.
Is that something we could get in this change, or would it be best to open a
new BZ to track that
.groups.io on behalf of Bret Barkelew
via groups.io
Sent: Wednesday, July 15, 2020 8:32 AM
To: Yao, Jiewen ; devel@edk2.groups.io
; Zhang, Qi1
Cc: Wang, Jian J
Subject: [EXTERNAL] Re: [edk2-devel] [PATCH 1/6] SecurityPkg/TcgPpi: Add TcgPpi
header file.
Yeah, that’s kinda what I was thinking. It
J<mailto:jian.j.w...@intel.com>
Subject: [EXTERNAL] RE: [edk2-devel] [PATCH 1/6] SecurityPkg/TcgPpi: Add TcgPpi
header file.
Maybe we can let TCG PEIM install the TCG_PPI *before* any measurement record,
then the other PEIM can register a callback to record the HW ROT measurement ?
Th
; devel@edk2.groups.io; Zhang,
Qi1
Cc: Wang, Jian J
Subject: Re: [edk2-devel] [PATCH 1/6] SecurityPkg/TcgPpi: Add TcgPpi header
file.
Hi Bret
Do you have a full problem statement or Bugzilla?
If we are resolving same problem, we can resolve altogether.
If we are talking different problem, we can
ailto:jiewen.yao=intel@groups.io>>
Sent: Tuesday, July 14, 2020 10:08:30 PM
To: Zhang, Qi1 mailto:qi1.zh...@intel.com>>;
devel@edk2.groups.io<mailto:devel@edk2.groups.io>
mailto:devel@edk2.groups.io>>
Cc: Wang, Jian J mailto:jian.j.w...@intel.com>>
Subject: [EXTERNAL]
From: devel@edk2.groups.io on behalf of Yao, Jiewen via
groups.io
Sent: Tuesday, July 14, 2020 10:08:30 PM
To: Zhang, Qi1 ; devel@edk2.groups.io
Cc: Wang, Jian J
Subject: [EXTERNAL] Re: [edk2-devel] [PATCH 1/6] SecurityPkg/TcgPpi: Add TcgPpi
header file
Thanks Qi.
I just thought one use case that a PEIM may already have a calculated hash
(https://github.com/tianocore/edk2/blob/master/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c#L652)
We may need add a flag to support this pre-hash use case. Such as:
> +(EFIAPI *EDKII_TCG_HASH_LOG_EXTEND_EVENT)(
>
> + I