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From: "Lendacky, Thomas" <thomas.lendacky@amd.com>
To: Dov Murik <dovmurik@linux.ibm.com>, devel@edk2.groups.io
Cc: Tobin Feldman-Fitzthum <tobin@linux.ibm.com>,
	Tobin Feldman-Fitzthum <tobin@ibm.com>,
	Jim Cadden <jcadden@ibm.com>,
	James Bottomley <jejb@linux.ibm.com>,
	Hubertus Franke <frankeh@us.ibm.com>,
	Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Jordan Justen <jordan.l.justen@intel.com>,
	Ashish Kalra <ashish.kalra@amd.com>,
	Brijesh Singh <brijesh.singh@amd.com>,
	Erdem Aktas <erdemaktas@google.com>,
	Jiewen Yao <jiewen.yao@intel.com>, Min Xu <min.m.xu@intel.com>
Subject: Re: [PATCH v3 11/11] OvmfPkg/AmdSev: Enforce hash verification of kernel blobs
Date: Tue, 20 Jul 2021 12:19:19 -0500	[thread overview]
Message-ID: <bcef467d-0f62-ca3e-618b-bc472387342c@amd.com> (raw)
In-Reply-To: <20210720080401.3662854-12-dovmurik@linux.ibm.com>

On 7/20/21 3:04 AM, Dov Murik wrote:
> In the AmdSevX64 build, use BlobVerifierLibSevHashes to enforce
> verification of hashes of the kernel/initrd/cmdline blobs fetched from
> firmware config.
> 
> This allows for secure (measured) boot of SEV guests with QEMU's
> -kernel/-initrd/-append switches (with the corresponding QEMU support
> for injecting the hashes table into initial measured guest memory).
> 
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Ashish Kalra <ashish.kalra@amd.com>
> Cc: Brijesh Singh <brijesh.singh@amd.com>
> Cc: Erdem Aktas <erdemaktas@google.com>
> Cc: James Bottomley <jejb@linux.ibm.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Min Xu <min.m.xu@intel.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3457
> Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>

Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>

> ---
>  OvmfPkg/AmdSev/AmdSevX64.dsc | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 

  reply	other threads:[~2021-07-20 17:19 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-20  8:03 [PATCH v3 00/11] Measured SEV boot with kernel/initrd/cmdline Dov Murik
2021-07-20  8:03 ` [PATCH v3 01/11] OvmfPkg/AmdSev/SecretDxe: fix header comment to generic naming Dov Murik
2021-07-20  8:03 ` [PATCH v3 02/11] OvmfPkg/AmdSev: use GenericQemuLoadImageLib in AmdSev builds Dov Murik
2021-07-20  8:03 ` [PATCH v3 03/11] OvmfPkg: PlatformBootManagerLibGrub: Allow executing kernel via fw_cfg Dov Murik
2021-07-20  8:03 ` [PATCH v3 04/11] OvmfPkg: add library class BlobVerifierLib with null implementation Dov Murik
2021-07-20 16:18   ` Lendacky, Thomas
2021-07-20  8:03 ` [PATCH v3 05/11] OvmfPkg: add BlobVerifierLibNull to DSC Dov Murik
2021-07-20 16:20   ` Lendacky, Thomas
2021-07-20  8:03 ` [PATCH v3 06/11] ArmVirtPkg: " Dov Murik
2021-07-20  8:03 ` [PATCH v3 07/11] OvmfPkg/QemuKernelLoaderFsDxe: call VerifyBlob after fetch from fw_cfg Dov Murik
2021-07-20 16:24   ` Lendacky, Thomas
2021-07-20  8:03 ` [PATCH v3 08/11] OvmfPkg/AmdSev/SecretPei: build hob for full page Dov Murik
2021-07-20 16:24   ` Lendacky, Thomas
2021-07-20 16:44   ` Brijesh Singh
2021-07-20  8:03 ` [PATCH v3 09/11] OvmfPkg/AmdSev: reserve MEMFD space for for firmware config hashes Dov Murik
2021-07-20 16:45   ` Brijesh Singh
2021-07-20  8:04 ` [PATCH v3 10/11] OvmfPkg: add BlobVerifierLibSevHashes Dov Murik
2021-07-20 17:18   ` Lendacky, Thomas
2021-07-20 18:24   ` Brijesh Singh
2021-07-21  9:29   ` Dov Murik
2021-07-20  8:04 ` [PATCH v3 11/11] OvmfPkg/AmdSev: Enforce hash verification of kernel blobs Dov Murik
2021-07-20 17:19   ` Lendacky, Thomas [this message]
2021-07-20 17:22 ` [PATCH v3 00/11] Measured SEV boot with kernel/initrd/cmdline Lendacky, Thomas
2021-07-20 17:27   ` Ard Biesheuvel
2021-07-21  7:55     ` Dov Murik

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