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OvmfPkg: introduce OVMF_PK_KEK1_APP_PREFIX_GUID

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For the EnrollDefaultKeys application, the hypervisor is expected to add a
string entry to the "OEM Strings" (Type 11) SMBIOS table, with the
following format:

4e32566d-8e9e-4f52-81d3-5bb9715f9727:<Base64 X509 cert for PK and first KEK>

The string representation of the GUID at the front is the "application
prefix", in terms of QEMU commit
<https://git.qemu.org/?p=qemu.git;a=commit;h=2d6dcbf93fb0>.

Introduce this GUID in the usual manner.

Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Julien Grall <julien.grall@arm.com>
Bugzilla: https://bugzilla.tianocore.org/show_bug.cgi?id=1747
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Gary Lin <glin@suse.com>
This commit is contained in:
Laszlo Ersek 2019-04-26 00:17:17 +02:00
parent c9727ff1df
commit 392404167f
2 changed files with 46 additions and 0 deletions
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45
OvmfPkg/Include/Guid/OvmfPkKek1AppPrefix.h Normal file
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@ -0,0 +1,45 @@
/** @file
Declare the application prefix string as a GUID, for locating the PK/KEK1
X509 certificate to enroll, in the "OEM Strings" SMBIOS table.
Copyright (C) 2019, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Specification Reference:
- https://git.qemu.org/?p=qemu.git;a=commit;h=2d6dcbf93fb0
- https://libvirt.org/formatdomain.html#elementsSysinfo
- https://bugs.launchpad.net/qemu/+bug/1826200
- https://bugzilla.tianocore.org/show_bug.cgi?id=1747
**/
#ifndef OVMF_PK_KEK1_APP_PREFIX_H_
#define OVMF_PK_KEK1_APP_PREFIX_H_
#include <Uefi/UefiBaseType.h>
//
// For the EnrollDefaultKeys application, the hypervisor is expected to add a
// string entry to the "OEM Strings" (Type 11) SMBIOS table, with the following
// format:
//
// 4e32566d-8e9e-4f52-81d3-5bb9715f9727:<Base64 X509 cert for PK and first KEK>
//
// The string representation of the GUID at the front is the "application
// prefix". It is matched by EnrollDefaultKeys case-insensitively.
//
// The base64-encoded blob following the application prefix and the colon (:)
// is an X509 certificate in DER representation; the hypervisor instructs
// EnrollDefaultKeys to enroll this certificate as both Platform Key and first
// Key Exchange Key.
//
#define OVMF_PK_KEK1_APP_PREFIX_GUID \
{ 0x4e32566d, \
0x8e9e, \
0x4f52, \
{ 0x81, 0xd3, 0x5b, 0xb9, 0x71, 0x5f, 0x97, 0x27 }, \
}
extern EFI_GUID gOvmfPkKek1AppPrefixGuid;
#endif /* OVMF_PK_KEK1_APP_PREFIX_H_ */

1
OvmfPkg/OvmfPkg.dec
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@ -72,6 +72,7 @@
[Guids]
gUefiOvmfPkgTokenSpaceGuid = {0x93bb96af, 0xb9f2, 0x4eb8, {0x94, 0x62, 0xe0, 0xba, 0x74, 0x56, 0x42, 0x36}}
gEfiXenInfoGuid = {0xd3b46f3b, 0xd441, 0x1244, {0x9a, 0x12, 0x0, 0x12, 0x27, 0x3f, 0xc1, 0x4d}}
gOvmfPkKek1AppPrefixGuid = {0x4e32566d, 0x8e9e, 0x4f52, {0x81, 0xd3, 0x5b, 0xb9, 0x71, 0x5f, 0x97, 0x27}}
gOvmfPlatformConfigGuid = {0x7235c51c, 0x0c80, 0x4cab, {0x87, 0xac, 0x3b, 0x08, 0x4a, 0x63, 0x04, 0xb1}}
gVirtioMmioTransportGuid = {0x837dca9e, 0xe874, 0x4d82, {0xb2, 0x9a, 0x23, 0xfe, 0x0e, 0x23, 0xd1, 0xe2}}
gQemuRamfbGuid = {0x557423a1, 0x63ab, 0x406c, {0xbe, 0x7e, 0x91, 0xcd, 0xbc, 0x08, 0xc4, 0x57}}