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From: "James Bottomley" <jejb@linux.ibm.com>
To: Stefan Berger <stefanb@linux.ibm.com>,
	devel@edk2.groups.io, Gerd Hoffmann <kraxel@redhat.com>
Cc: "Min Xu" <min.m.xu@intel.com>,
	"Jordan Justen" <jordan.l.justen@intel.com>,
	"Erdem Aktas" <erdemaktas@google.com>,
	"Ard Biesheuvel" <ardb+tianocore@kernel.org>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Jiewen Yao" <jiewen.yao@intel.com>,
	"Tom Lendacky" <thomas.lendacky@amd.com>,
	"Brijesh Singh" <brijesh.singh@amd.com>
Subject: Re: [edk2-devel] [PATCH 4/4] OvmfPkg: add TPM2_SHA1_ENABLE build option
Date: Fri, 22 Oct 2021 12:50:32 -0400	[thread overview]
Message-ID: <fe857e122e4386b3a6713d3de8b29090f412891e.camel@linux.ibm.com> (raw)
In-Reply-To: <4e216f5f-edd8-61c3-529b-54eab3abf00a@linux.ibm.com>

On Fri, 2021-10-22 at 11:48 -0400, Stefan Berger wrote:
> On 10/22/21 11:01 AM, James Bottomley wrote:
> > On Fri, 2021-10-22 at 10:52 -0400, Stefan Berger wrote:
> > 
> > >   along with the quote on the  sha1 bank.
> > The validator shouldn't accept that quote ... it should require a
> > quote covering all banks.  This is the point: you can't fake the
> > quote and the quote should cover all banks to assure you that
> > unextended banks really are.
> 
> Unfortunately this seems to be flawed on the TPM2_Quote level...

In what way?

James



  reply	other threads:[~2021-10-22 16:50 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-21 12:19 [PATCH 0/4] OvmfPkg: rework TPM configuration Gerd Hoffmann
2021-10-21 12:20 ` [PATCH 1/4] OvmfPkg: move tcg configuration to dsc and fdf include files Gerd Hoffmann
2021-10-21 14:12   ` [edk2-devel] " Stefan Berger
2021-10-21 12:20 ` [PATCH 2/4] OvmfPkg: create Tcg2ConfigPeiCompat12.inf Gerd Hoffmann
2021-10-21 14:46   ` [edk2-devel] " Stefan Berger
2021-10-22  6:31     ` Gerd Hoffmann
2021-10-22 13:29       ` Stefan Berger
2021-10-21 12:20 ` [PATCH 3/4] OvmfPkg: rework TPM configuration Gerd Hoffmann
2021-10-21 15:44   ` Stefan Berger
2021-10-22  6:30     ` Gerd Hoffmann
2021-10-21 12:20 ` [PATCH 4/4] OvmfPkg: add TPM2_SHA1_ENABLE build option Gerd Hoffmann
2021-10-21 13:24   ` Stefan Berger
2021-10-22  6:39     ` Gerd Hoffmann
2021-10-22 10:50       ` Stefan Berger
2021-10-22 11:37         ` Gerd Hoffmann
2021-10-22 11:49         ` James Bottomley
2021-10-22 11:57           ` Stefan Berger
2021-10-22 12:40             ` James Bottomley
2021-10-22 13:13               ` Stefan Berger
2021-10-22 14:17                 ` James Bottomley
2021-10-22 14:52                   ` [edk2-devel] " Stefan Berger
2021-10-22 15:01                     ` James Bottomley
2021-10-22 15:48                       ` Stefan Berger
2021-10-22 16:50                         ` James Bottomley [this message]
2021-10-21 16:13 ` [PATCH 0/4] OvmfPkg: rework TPM configuration Stefan Berger
2021-10-22  7:01   ` Gerd Hoffmann
2021-10-22 10:46     ` [edk2-devel] " Stefan Berger

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