From: "Brijesh Singh" <brijesh.singh@amd.com>
To: Dov Murik <dovmurik@linux.ibm.com>, devel@edk2.groups.io
Cc: brijesh.singh@amd.com,
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>,
Erdem Aktas <erdemaktas@google.com>,
Jiewen Yao <jiewen.yao@intel.com>, Min Xu <min.m.xu@intel.com>,
Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH v3 10/11] OvmfPkg: add BlobVerifierLibSevHashes
Date: Tue, 20 Jul 2021 13:24:51 -0500 [thread overview]
Message-ID: <55c4a256-e55b-02ed-c45b-6dd8476ddf1f@amd.com> (raw)
In-Reply-To: <20210720080401.3662854-11-dovmurik@linux.ibm.com>
On 7/20/21 3:04 AM, Dov Murik wrote:
> Add an implementation for BlobVerifierLib that locates the SEV hashes
> table and verifies that the calculated hashes of the kernel, initrd, and
> cmdline blobs indeed match the expected hashes stated in the hashes
> table.
>
> If there's a missing hash or a hash mismatch then EFI_ACCESS_DENIED is
> returned which will cause a failure to load a kernel image.
>
> 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
> Co-developed-by: James Bottomley <jejb@linux.ibm.com>
> Signed-off-by: James Bottomley <jejb@linux.ibm.com>
> Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
> ---
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
thanks
next prev parent reply other threads:[~2021-07-20 18:24 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 [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-list from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=55c4a256-e55b-02ed-c45b-6dd8476ddf1f@amd.com \
--to=devel@edk2.groups.io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox