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Date: Tue, 19 Apr 2022 08:58:51 +0200
From: "Gerd Hoffmann" <kraxel@redhat.com>
To: Min Xu <min.m.xu@intel.com>
Cc: devel@edk2.groups.io, Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Jiewen Yao <jiewen.yao@intel.com>,
	Jordan Justen <jordan.l.justen@intel.com>,
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	Erdem Aktas <erdemaktas@google.com>,
	James Bottomley <jejb@linux.ibm.com>,
	Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH V3 5/9] OvmfPkg/IntelTdx: Measure Td HobList and Configuration FV
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On Mon, Apr 18, 2022 at 07:59:56AM +0800, Min Xu wrote:
> RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3853
> 
> TdHobList and Configuration FV are external data provided by Host VMM.
> These are not trusted in Td guest. So they should be validated , measured
> and extended to Td RTMR registers. In the meantime 2 EFI_CC_EVENT_HOB are
> created. These 2 GUIDed HOBs carry the hash value of TdHobList and
> Configuration FV. In DXE phase EFI_CC_EVENT can be created based on these
> 2 GUIDed HOBs.

Why this is done in the SEC phase?

take care,
  Gerd