mirror of
https://github.com/LongSoft/UEFITool.git
synced 2024-11-21 23:48:22 +08:00
934ce1f3f8
As the first step towards automated parsing, this change set replaces outdated BootGuard-related parsers with shiny new KaitaiStruct-based ones. It also does the following: - improves Intel FIT definitions by using the relevant specification - adds sha1, sha384, sha512 and sm3 digest implementations - updates LZMA SDK to v22.01 - moves GUIDs out of include files to prevent multiple instantiations - enforces C++11 - adds Kaitai-based parsers for Intel FIT, BootGuard v1 and BootGuard v2 structures - makes many small refactorings here, there and everywhere
422 lines
16 KiB
C
Executable File
422 lines
16 KiB
C
Executable File
/* nvram.h
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Copyright (c) 2016, Nikolaj Schlej. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*/
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#ifndef NVRAM_H
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#define NVRAM_H
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#include "basetypes.h"
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#include "ubytearray.h"
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#include "ustring.h"
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// Make sure we use right packing rules
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#pragma pack(push, 1)
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//
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// NVAR store and entry
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//
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extern const UByteArray NVRAM_NVAR_STORE_FILE_GUID; // CEF5B9A3-476D-497F-9FDC-E98143E0422C
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extern const UByteArray NVRAM_NVAR_EXTERNAL_DEFAULTS_FILE_GUID; // 9221315B-30BB-46B5-813E-1B1BF4712BD3
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extern const UByteArray NVRAM_NVAR_PEI_EXTERNAL_DEFAULTS_FILE_GUID; // 77D3DC50-D42B-4916-AC80-8F469035D150
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extern const UByteArray NVRAM_NVAR_BB_DEFAULTS_FILE_GUID; // AF516361-B4C5-436E-A7E3-A149A31B1461
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extern UString nvarAttributesToUString(const UINT8 attributes);
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extern UString nvarExtendedAttributesToUString(const UINT8 attributes);
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extern UString efiTimeToUString(const EFI_TIME & time);
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typedef struct NVAR_ENTRY_HEADER_ {
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UINT32 Signature; // NVAR
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UINT16 Size; // Size of the entry including header
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UINT32 Next : 24; // Offset to the next entry in a list, or empty if the latest in the list
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UINT32 Attributes : 8; // Attributes
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} NVAR_ENTRY_HEADER;
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// NVAR signature
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#define NVRAM_NVAR_ENTRY_SIGNATURE 0x5241564E
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// Attributes
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#define NVRAM_NVAR_ENTRY_RUNTIME 0x01
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#define NVRAM_NVAR_ENTRY_ASCII_NAME 0x02
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#define NVRAM_NVAR_ENTRY_GUID 0x04
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#define NVRAM_NVAR_ENTRY_DATA_ONLY 0x08
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#define NVRAM_NVAR_ENTRY_EXT_HEADER 0x10
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#define NVRAM_NVAR_ENTRY_HW_ERROR_RECORD 0x20
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#define NVRAM_NVAR_ENTRY_AUTH_WRITE 0x40
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#define NVRAM_NVAR_ENTRY_VALID 0x80
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// Extended attributes
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#define NVRAM_NVAR_ENTRY_EXT_CHECKSUM 0x01
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#define NVRAM_NVAR_ENTRY_EXT_AUTH_WRITE 0x10
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#define NVRAM_NVAR_ENTRY_EXT_TIME_BASED 0x20
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#define NVRAM_NVAR_ENTRY_EXT_UNKNOWN_MASK 0xCE
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//
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// TianoCore VSS store and variables
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//
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extern const UByteArray NVRAM_MAIN_STORE_VOLUME_GUID; // FFF12B8D-7696-4C8B-A985-2747075B4F50
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extern const UByteArray NVRAM_ADDITIONAL_STORE_VOLUME_GUID; // 00504624-8A59-4EEB-BD0F-6B36E96128E0
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#define NVRAM_VSS_STORE_SIGNATURE 0x53535624 // $VSS
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#define NVRAM_APPLE_SVS_STORE_SIGNATURE 0x53565324 // $SVS
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#define NVRAM_APPLE_NSS_STORE_SIGNATURE 0x53534E24 // $NSS
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#define NVRAM_APPLE_FSYS_STORE_SIGNATURE 0x73797346 // Fsys
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#define NVRAM_APPLE_GAID_STORE_SIGNATURE 0x64696147 // Gaid
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#define NVRAM_VSS_VARIABLE_START_ID 0x55AA
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// Variable store header flags
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#define NVRAM_VSS_VARIABLE_STORE_FORMATTED 0x5a
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#define NVRAM_VSS_VARIABLE_STORE_HEALTHY 0xfe
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// Variable store status
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#define NVRAM_VSS_VARIABLE_STORE_STATUS_RAW 0
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#define NVRAM_VSS_VARIABLE_STORE_STATUS_VALID 1
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#define NVRAM_VSS_VARIABLE_STORE_STATUS_INVALID 2
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#define NVRAM_VSS_VARIABLE_STORE_STATUS_UNKNOWN 3
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// Variable store header
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typedef struct VSS_VARIABLE_STORE_HEADER_ {
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UINT32 Signature; // $VSS signature
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UINT32 Size; // Size of variable store, including store header
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UINT8 Format; // Store format state
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UINT8 State; // Store health state
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UINT16 Unknown; // Used in Apple $SVS varstores
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UINT32 : 32;
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} VSS_VARIABLE_STORE_HEADER;
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// Normal variable header
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typedef struct VSS_VARIABLE_HEADER_ {
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UINT16 StartId; // Variable start marker AA55
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UINT8 State; // Variable state
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UINT8 Reserved;
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UINT32 Attributes; // Variable attributes
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UINT32 NameSize; // Size of variable name, stored as null-terminated UCS2 string
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UINT32 DataSize; // Size of variable data without header and name
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EFI_GUID VendorGuid; // Variable vendor GUID
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} VSS_VARIABLE_HEADER;
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// Intel variable header
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typedef struct VSS_INTEL_VARIABLE_HEADER_ {
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UINT16 StartId; // Variable start marker AA55
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UINT8 State; // Variable state
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UINT8 Reserved;
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UINT32 Attributes; // Variable attributes
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UINT32 TotalSize; // Size of variable including header
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EFI_GUID VendorGuid; // Variable vendor GUID
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} VSS_INTEL_VARIABLE_HEADER;
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// Apple variation of normal variable header, with one new field
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typedef struct VSS_APPLE_VARIABLE_HEADER_ {
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UINT16 StartId; // Variable start marker AA55
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UINT8 State; // Variable state
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UINT8 Reserved;
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UINT32 Attributes; // Variable attributes
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UINT32 NameSize; // Size of variable name, stored as null-terminated UCS2 string
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UINT32 DataSize; // Size of variable data without header and name
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EFI_GUID VendorGuid; // Variable vendor GUID
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UINT32 DataCrc32; // CRC32 of the data
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} VSS_APPLE_VARIABLE_HEADER;
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// Authenticated variable header, used for SecureBoot vars
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typedef struct VSS_AUTH_VARIABLE_HEADER_ {
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UINT16 StartId; // Variable start marker AA55
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UINT8 State; // Variable state
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UINT8 Reserved;
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UINT32 Attributes; // Variable attributes
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UINT64 MonotonicCounter; // Monotonic counter against replay attack
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EFI_TIME Timestamp; // Time stamp against replay attack
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UINT32 PubKeyIndex; // Index in PubKey database
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UINT32 NameSize; // Size of variable name, stored as null-terminated UCS2 string
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UINT32 DataSize; // Size of variable data without header and name
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EFI_GUID VendorGuid; // Variable vendor GUID
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} VSS_AUTH_VARIABLE_HEADER;
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// VSS variable states
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#define NVRAM_VSS_VARIABLE_IN_DELETED_TRANSITION 0xfe // Variable is in obsolete transistion
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#define NVRAM_VSS_VARIABLE_DELETED 0xfd // Variable is obsolete
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#define NVRAM_VSS_VARIABLE_HEADER_VALID 0x7f // Variable has valid header
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#define NVRAM_VSS_VARIABLE_ADDED 0x3f // Variable has been completely added
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#define NVRAM_VSS_INTEL_VARIABLE_VALID 0xfc // Intel special variable valid
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#define NVRAM_VSS_INTEL_VARIABLE_INVALID 0xf8 // Intel special variable invalid
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// VSS variable attributes
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#define NVRAM_VSS_VARIABLE_NON_VOLATILE 0x00000001
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#define NVRAM_VSS_VARIABLE_BOOTSERVICE_ACCESS 0x00000002
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#define NVRAM_VSS_VARIABLE_RUNTIME_ACCESS 0x00000004
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#define NVRAM_VSS_VARIABLE_HARDWARE_ERROR_RECORD 0x00000008
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#define NVRAM_VSS_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x00000010
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#define NVRAM_VSS_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
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#define NVRAM_VSS_VARIABLE_APPEND_WRITE 0x00000040
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#define NVRAM_VSS_VARIABLE_APPLE_DATA_CHECKSUM 0x80000000
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#define NVRAM_VSS_VARIABLE_UNKNOWN_MASK 0x7FFFFF80
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extern UString vssAttributesToUString(const UINT32 attributes);
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//
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// VSS2 variables
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//
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#define NVRAM_VSS2_AUTH_VAR_KEY_DATABASE_GUID_PART1 0xaaf32c78
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extern const UByteArray NVRAM_VSS2_AUTH_VAR_KEY_DATABASE_GUID; // AAF32C78-947B-439A-A180-2E144EC37792
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#define NVRAM_VSS2_STORE_GUID_PART1 0xddcf3617
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extern const UByteArray NVRAM_VSS2_STORE_GUID; // DDCF3617-3275-4164-98B6-FE85707FFE7D
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extern const UByteArray NVRAM_FDC_STORE_GUID; // DDCF3616-3275-4164-98B6-FE85707FFE7D
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// Variable store header
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typedef struct VSS2_VARIABLE_STORE_HEADER_ {
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EFI_GUID Signature; // VSS2 Store Guid
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UINT32 Size; // Size of variable store, including store header
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UINT8 Format; // Store format state
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UINT8 State; // Store health state
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UINT16 Unknown;
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UINT32 : 32;
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} VSS2_VARIABLE_STORE_HEADER;
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// VSS2 entries are 4-bytes aligned in VSS2 stores
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//
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// _FDC region
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//
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#define NVRAM_FDC_VOLUME_SIGNATURE 0x4344465F
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typedef struct FDC_VOLUME_HEADER_ {
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UINT32 Signature; //_FDC signature
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UINT32 Size; // Size of the whole region
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//EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
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//EFI_FV_BLOCK_MAP_ENTRY FvBlockMap[2];
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//VSS_VARIABLE_STORE_HEADER VssHeader;
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} FDC_VOLUME_HEADER;
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//
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// FTW block
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//
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#define EFI_FAULT_TOLERANT_WORKING_BLOCK_VALID 0x1
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#define EFI_FAULT_TOLERANT_WORKING_BLOCK_INVALID 0x2
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extern const UByteArray EDKII_WORKING_BLOCK_SIGNATURE_GUID; // 9E58292B-7C68-497D-0ACE6500FD9F1B95
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extern const UByteArray VSS2_WORKING_BLOCK_SIGNATURE_GUID; // 9E58292B-7C68-497D-A0CE6500FD9F1B95
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#define NVRAM_MAIN_STORE_VOLUME_GUID_DATA1 0xFFF12B8D
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#define EDKII_WORKING_BLOCK_SIGNATURE_GUID_DATA1 0x9E58292B
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typedef struct EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER32_ {
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EFI_GUID Signature; // NVRAM_MAIN_STORE_VOLUME_GUID
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UINT32 Crc; // Crc32 of the header with empty Crc and State fields
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UINT8 State;
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UINT8 Reserved[3];
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UINT32 WriteQueueSize; // Size of the FTW block without the header
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//UINT8 WriteQueue[WriteQueueSize];
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} EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER32;
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typedef struct EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER64_ {
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EFI_GUID Signature; // NVRAM_MAIN_STORE_VOLUME_GUID or EDKII_WORKING_BLOCK_SIGNATURE_GUID
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UINT32 Crc; // Crc32 of the header with empty Crc and State fields
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UINT8 State;
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UINT8 Reserved[3];
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UINT64 WriteQueueSize; // Size of the FTW block without the header
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//UINT8 WriteQueue[WriteQueueSize];
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} EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER64;
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//
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// Apple Fsys store
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//
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typedef struct APPLE_FSYS_STORE_HEADER_ {
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UINT32 Signature; // Fsys or Gaid signature
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UINT8 Unknown0; // Still unknown
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UINT32 Unknown1; // Still unknown
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UINT16 Size; // Size of variable store
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} APPLE_FSYS_STORE_HEADER;
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// Apple Fsys entry format
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// UINT8 NameLength;
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// CHAR8 Name[];
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// UINT16 DataLength;
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// UINT8 Data[]
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// Store ends with a chunk named "EOF" without data
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// All free bytes in store are zeroed
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// Has CRC32 of the whole store without checksum field at the end
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//
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// EVSA store and entries
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//
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#define NVRAM_EVSA_STORE_SIGNATURE 0x41535645
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#define NVRAM_EVSA_ENTRY_TYPE_STORE 0xEC
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#define NVRAM_EVSA_ENTRY_TYPE_GUID1 0xED
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#define NVRAM_EVSA_ENTRY_TYPE_GUID2 0xE1
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#define NVRAM_EVSA_ENTRY_TYPE_NAME1 0xEE
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#define NVRAM_EVSA_ENTRY_TYPE_NAME2 0xE2
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#define NVRAM_EVSA_ENTRY_TYPE_DATA1 0xEF
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#define NVRAM_EVSA_ENTRY_TYPE_DATA2 0xE3
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#define NVRAM_EVSA_ENTRY_TYPE_DATA_INVALID 0x83
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typedef struct EVSA_ENTRY_HEADER_ {
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UINT8 Type;
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UINT8 Checksum;
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UINT16 Size;
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} EVSA_ENTRY_HEADER;
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typedef struct EVSA_STORE_ENTRY_ {
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EVSA_ENTRY_HEADER Header;
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UINT32 Signature; // EVSA signature
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UINT32 Attributes;
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UINT32 StoreSize;
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UINT32 : 32;
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} EVSA_STORE_ENTRY;
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typedef struct EVSA_GUID_ENTRY_ {
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EVSA_ENTRY_HEADER Header;
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UINT16 GuidId;
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//EFI_GUID Guid;
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} EVSA_GUID_ENTRY;
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typedef struct EVSA_NAME_ENTRY_ {
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EVSA_ENTRY_HEADER Header;
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UINT16 VarId;
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//CHAR16 Name[];
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} EVSA_NAME_ENTRY;
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typedef struct EVSA_DATA_ENTRY_ {
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EVSA_ENTRY_HEADER Header;
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UINT16 GuidId;
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UINT16 VarId;
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UINT32 Attributes;
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//UINT8 Data[];
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} EVSA_DATA_ENTRY;
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// VSS variable attributes
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#define NVRAM_EVSA_DATA_NON_VOLATILE 0x00000001
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#define NVRAM_EVSA_DATA_BOOTSERVICE_ACCESS 0x00000002
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#define NVRAM_EVSA_DATA_RUNTIME_ACCESS 0x00000004
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#define NVRAM_EVSA_DATA_HARDWARE_ERROR_RECORD 0x00000008
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#define NVRAM_EVSA_DATA_AUTHENTICATED_WRITE_ACCESS 0x00000010
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#define NVRAM_EVSA_DATA_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
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#define NVRAM_EVSA_DATA_APPEND_WRITE 0x00000040
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#define NVRAM_EVSA_DATA_EXTENDED_HEADER 0x10000000
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#define NVRAM_EVSA_DATA_UNKNOWN_MASK 0xEFFFFF80
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typedef struct EVSA_DATA_ENTRY_EXTENDED_ {
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EVSA_ENTRY_HEADER Header;
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UINT16 GuidId;
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UINT16 VarId;
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UINT32 Attributes;
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UINT32 DataSize;
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//UINT8 Data[];
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} EVSA_DATA_ENTRY_EXTENDED;
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extern UString evsaAttributesToUString(const UINT32 attributes);
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//
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// Phoenix SCT Flash Map
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//
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#define NVRAM_PHOENIX_FLASH_MAP_SIGNATURE_PART1 0x414C465F
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#define NVRAM_PHOENIX_FLASH_MAP_SIGNATURE_LENGTH 10
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// _FLASH_MAP
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_SIGNATURE;
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typedef struct PHOENIX_FLASH_MAP_HEADER_ {
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UINT8 Signature[10]; // _FLASH_MAP signature
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UINT16 NumEntries; // Number of entries in the map
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UINT32 : 32; // Reserved field
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} PHOENIX_FLASH_MAP_HEADER;
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typedef struct PHOENIX_FLASH_MAP_ENTRY_ {
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EFI_GUID Guid;
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UINT16 DataType;
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UINT16 EntryType;
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UINT64 PhysicalAddress;
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UINT32 Size;
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UINT32 Offset;
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} PHOENIX_FLASH_MAP_ENTRY;
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#define NVRAM_PHOENIX_FLASH_MAP_ENTRY_TYPE_VOLUME 0x0000
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#define NVRAM_PHOENIX_FLASH_MAP_ENTRY_TYPE_DATA_BLOCK 0x0001
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extern UString flashMapGuidToUString(const EFI_GUID & guid);
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_VOLUME_HEADER; // B091E7D2-05A0-4198-94F0-74B7B8C55459
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_MICROCODES_GUID; // FD3F690E-B4B0-4D68-89DB-19A1A3318F90
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_CMDB_GUID; // 46310243-7B03-4132-BE44-2243FACA7CDD
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_PUBKEY1_GUID; // 1B2C4952-D778-4B64-BDA1-15A36F5FA545
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_MARKER1_GUID; // 127C1C4E-9135-46E3-B006-F9808B0559A5
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_PUBKEY2_GUID; // 7CE75114-8272-45AF-B536-761BD38852CE
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_MARKER2_GUID; // 071A3DBE-CFF4-4B73-83F0-598C13DCFDD5
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_EVSA1_GUID; // FACFB110-7BFD-4EFB-873E-88B6B23B97EA
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_EVSA2_GUID; // E68DC11A-A5F4-4AC3-AA2E-29E298BFF645
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_EVSA3_GUID; // 4B3828AE-0ACE-45B6-8CDB-DAFC28BBF8C5
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_EVSA4_GUID; // C22E6B8A-8159-49A3-B353-E84B79DF19C0
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_EVSA5_GUID; // B6B5FAB9-75C4-4AAE-8314-7FFFA7156EAA
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_EVSA6_GUID; // 919B9699-8DD0-4376-AA0B-0E54CCA47D8F
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_EVSA7_GUID; // 58A90A52-929F-44F8-AC35-A7E1AB18AC91
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extern const UByteArray NVRAM_PHOENIX_FLASH_MAP_SELF_GUID; // 8CB71915-531F-4AF5-82BF-A09140817BAA
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//
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// SLIC pubkey and marker
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//
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typedef struct OEM_ACTIVATION_PUBKEY_ {
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UINT32 Type; // 0
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UINT32 Size; // 0x9C
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UINT8 KeyType;
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UINT8 Version;
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UINT16 Reserved;
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UINT32 Algorithm;
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UINT32 Magic; // RSA1 signature
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UINT32 BitLength;
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UINT32 Exponent;
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UINT8 Modulus[128];
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} OEM_ACTIVATION_PUBKEY;
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#define OEM_ACTIVATION_PUBKEY_TYPE 0x00000000
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#define OEM_ACTIVATION_PUBKEY_MAGIC 0x31415352 // RSA1
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typedef struct OEM_ACTIVATION_MARKER_ {
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UINT32 Type; // 1
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UINT32 Size; // 0xB6
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UINT32 Version;
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UINT8 OemId[6];
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UINT8 OemTableId[8];
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UINT64 WindowsFlag; // WINDOWS signature
|
|
UINT32 SlicVersion;
|
|
UINT8 Reserved[16];
|
|
UINT8 Signature[128];
|
|
} OEM_ACTIVATION_MARKER;
|
|
|
|
#define OEM_ACTIVATION_MARKER_TYPE 0x00000001
|
|
#define OEM_ACTIVATION_MARKER_WINDOWS_FLAG_PART1 0x444E4957
|
|
#define OEM_ACTIVATION_MARKER_WINDOWS_FLAG 0x2053574F444E4957UL
|
|
#define OEM_ACTIVATION_MARKER_RESERVED_BYTE 0x00
|
|
|
|
//
|
|
// Phoenix CMDB, no londer used, requires no parsing
|
|
//
|
|
typedef struct PHOENIX_CMDB_HEADER_ {
|
|
UINT32 Signature; // CMDB signature
|
|
UINT32 HeaderSize; // Size of this header
|
|
UINT32 TotalSize; // Total size of header and chunks, without strings
|
|
// UINT8 StartChunk[3];
|
|
// UINT8 StringChunk[5][x];
|
|
// C_STR Strings[2*x + 1];
|
|
} PHOENIX_CMDB_HEADER;
|
|
|
|
#define NVRAM_PHOENIX_CMDB_HEADER_SIGNATURE 0x42444D43
|
|
#define NVRAM_PHOENIX_CMDB_SIZE 0x100;
|
|
|
|
// Restore previous packing rules
|
|
#pragma pack(pop)
|
|
|
|
#endif // NVRAM_H
|