OpenCorePkg/Library/OcMainLib/OpenCoreVault.c
vit9696 1c445a99d6 OpenCore: Switch to application type for better FW compatibility
This resolves booting issues with Microsoft Surface firmwares
references acidanthera/bugtracker#1446
2021-01-26 22:13:27 +03:00

65 lines
1.6 KiB
C

/** @file
OpenCore driver.
Copyright (c) 2019, vit9696. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Library/OcMainLib.h>
#pragma pack(push, 1)
typedef PACKED struct {
OC_RSA_PUBLIC_KEY_HDR Hdr;
UINT64 Data[(2 * (2048 / OC_CHAR_BIT)) / sizeof (UINT64)];
} OC_RSA_PUBLIC_KEY_2048;
typedef PACKED struct {
CHAR8 StartMagic[16];
OC_RSA_PUBLIC_KEY_2048 VaultKey;
CHAR8 EndMagic[16];
} OC_BUILTIN_VAULT_KEY;
#pragma pack(pop)
STATIC
OC_BUILTIN_VAULT_KEY
mOpenCoreVaultKey = {
.StartMagic = {'=', 'B', 'E', 'G', 'I', 'N', ' ', 'O', 'C', ' ', 'V', 'A', 'U', 'L', 'T', '='},
.EndMagic = {'=', '=', 'E', 'N', 'D', ' ', 'O', 'C', ' ', 'V', 'A', 'U', 'L', 'T', '=', '='}
};
OC_RSA_PUBLIC_KEY *
OcGetVaultKey (
VOID
)
{
UINT32 Index;
BOOLEAN AllZero;
//
// TODO: Perhaps try to get the key from firmware too?
//
AllZero = TRUE;
for (Index = 0; Index < sizeof (OC_RSA_PUBLIC_KEY); ++Index) {
if (((UINT8 *) &mOpenCoreVaultKey.VaultKey)[Index] != 0) {
AllZero = FALSE;
break;
}
}
if (!AllZero) {
return (OC_RSA_PUBLIC_KEY *) &mOpenCoreVaultKey.VaultKey;
}
return NULL;
}