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BitLocker headers format in real kaitai format, with recursive parsing
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| meta: | |
| id: bde_metadatas | |
| endian: le | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/bde_metadata.h | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/libbde_definitions.h.in | |
| # This will be find at first_metadata_offset from bde_volume_header | |
| seq: | |
| - id: metadata | |
| type: bde_metadata | |
| types: | |
| bde_metadata: | |
| seq: | |
| - id: bde_metadata_block_header_common | |
| type: bde_metadata_block_header_common | |
| - id: bde_metadata_block_header_specific | |
| type: | |
| switch-on: bde_metadata_block_header_common.version | |
| cases: | |
| 1: bde_metadata_block_header_v1 | |
| 2: bde_metadata_block_header_v2 | |
| - id: bde_metadata_header | |
| type: bde_metadata_header_v1 | |
| - id: bde_metadata_entries | |
| size: bde_metadata_header.metadata_size - bde_metadata_header.metadata_header_size | |
| type: bde_metadata_entries_list | |
| bde_metadata_block_header_common: | |
| seq: | |
| - id: signature | |
| contents: '-FVE-FS-' | |
| - id: size | |
| type: u2 | |
| - id: version | |
| type: u2 | |
| bde_metadata_block_header_v1: | |
| seq: | |
| - id: unknown1 | |
| size: 2 | |
| - id: unknown2 | |
| size: 2 | |
| - id: unknown3 | |
| size: 16 | |
| - id: first_metadata_offset | |
| type: u8 | |
| - id: second_metadata_offset | |
| type: u8 | |
| - id: third_metadata_offset | |
| type: u8 | |
| - id: mft_mirror_cluster_block | |
| type: u8 | |
| bde_metadata_block_header_v2: | |
| seq: | |
| - id: unknown1 | |
| size: 2 | |
| - id: unknown2 | |
| size: 2 | |
| - id: encrypted_volume_size | |
| type: u8 | |
| - id: unknown3 | |
| size: 4 | |
| - id: number_of_volume_header_sectors | |
| type: u4 | |
| - id: first_metadata_offset | |
| type: u8 | |
| - id: second_metadata_offset | |
| type: u8 | |
| - id: third_metadata_offset | |
| type: u8 | |
| - id: volume_header_offset | |
| type: u8 | |
| bde_metadata_header_v1: | |
| seq: | |
| - id: metadata_size | |
| type: u4 | |
| - id: version | |
| type: u4 | |
| - id: metadata_header_size | |
| type: u4 | |
| - id: metadata_size_copy | |
| type: u4 | |
| - id: volume_identifier | |
| size: 16 | |
| - id: next_nonce_counter | |
| type: u4 | |
| - id: encryption_method | |
| type: u2 | |
| enum: encryption_method | |
| - id: encryption_method_copy | |
| type: u2 | |
| - id: creation_time | |
| type: u8 | |
| doc: 'Contains a filetime' | |
| bde_metadata_entries_list: | |
| seq: | |
| - id: list | |
| repeat: eos | |
| type: bde_metadata_entry | |
| bde_metadata_entry: | |
| seq: | |
| - id: entry_header | |
| type: bde_metadata_entry_header_v1 | |
| - id: entry_content | |
| size: entry_header.size - 8 # Remove the size of the entry header | |
| type: | |
| switch-on: entry_header.value_type | |
| cases: | |
| value_type::key: bde_metadata_entry_key | |
| value_type::unicode_string: bde_metadata_entry_unicode_string | |
| value_type::stretch_key: bde_metadata_entry_stretch_key | |
| value_type::aes_ccm_encrypted_key: bde_metadata_entry_aes_ccm_encrypted_key | |
| value_type::volume_master_key: bde_metadata_entry_volume_master_key | |
| value_type::external_key: bde_metadata_entry_external_key | |
| value_type::offset_and_size: bde_metadata_entry_offset_and_size | |
| bde_metadata_entry_header_v1: | |
| seq: | |
| - id: size | |
| type: u2 | |
| - id: type | |
| type: u2 | |
| enum: entry_type | |
| - id: value_type | |
| type: u2 | |
| enum: value_type | |
| - id: version | |
| type: u2 | |
| bde_metadata_entry_key: | |
| seq: | |
| - id: encryption_method | |
| type: u4 | |
| - id: key | |
| size-eos: true | |
| bde_metadata_entry_unicode_string: | |
| seq: | |
| - id: text | |
| type: str | |
| size-eos: true | |
| encoding: UTF-16LE | |
| bde_metadata_entry_stretch_key: | |
| seq: | |
| - id: encryption_method | |
| type: u4 | |
| enum: encryption_method | |
| - id: salt | |
| size: 16 | |
| - id: stretch_key | |
| size-eos: true | |
| bde_metadata_entry_aes_ccm_encrypted_key: | |
| seq: | |
| - id: nonce_time | |
| type: u8 | |
| doc: 'Contains a filetime' | |
| - id: nonce_counter | |
| type: u4 | |
| - id: aes_ccm_encrypted_key | |
| type: aes_ccm_encrypted_key | |
| aes_ccm_encrypted_key: | |
| seq: | |
| - id: aes_ctr_encrypted_cbc_mac | |
| size: 16 | |
| - id: aes_ctr_encrypted_key | |
| size-eos: true | |
| bde_metadata_entry_volume_master_key: | |
| seq: | |
| - id: identifier | |
| size: 16 | |
| doc: 'Contains a GUID' | |
| - id: modification_time | |
| type: u8 | |
| doc: 'Contains a filetime' | |
| - id: unknown1 | |
| size: 2 | |
| - id: protection_type | |
| type: u2 | |
| enum: protection_type | |
| - id: volume_master_key | |
| type: bde_metadata_entry_generic_properties | |
| bde_metadata_entry_external_key: | |
| seq: | |
| - id: identifier | |
| size: 16 | |
| doc: 'Contains a GUID' | |
| - id: modification_time | |
| type: u8 | |
| doc: 'Contains a filetime' | |
| - id: external_key | |
| type: bde_metadata_entry_generic_properties | |
| bde_metadata_entry_offset_and_size: | |
| seq: | |
| - id: offset | |
| type: u8 | |
| - id: size | |
| type: u8 | |
| - id: unknown1 # Doesn't seems to be other copies | |
| size-eos: true | |
| bde_metadata_entry_generic_properties: # Like bde_metadata_entries_list | |
| seq: | |
| - id: properties | |
| repeat: eos | |
| type: bde_metadata_entry | |
| enums: | |
| encryption_method: | |
| 0x8000: aes_128_cbc_diffuser | |
| 0x8001: aes_256_cbc_diffuser | |
| 0x8002: aes_128_cbc | |
| 0x8003: aes_256_cbc | |
| 0x8004: aes_128_xts | |
| 0x8005: aes_256_xts | |
| protection_type: | |
| 0x0000: clear_text | |
| 0x0100: tpm | |
| 0x0200: startup_key | |
| 0x0800: recovery_password | |
| 0x2000: password | |
| entry_type: | |
| 0x0000: property | |
| 0x0002: volume_master_key | |
| 0x0003: full_volume_encryption_key | |
| 0x0004: validation | |
| 0x0006: startup_key | |
| 0x0007: description | |
| 0x000f: volume_header_block | |
| value_type: | |
| 0x0000: erased | |
| 0x0001: key | |
| 0x0002: unicode_string | |
| 0x0003: stretch_key | |
| 0x0004: use_key | |
| 0x0005: aes_ccm_encrypted_key | |
| 0x0006: tpm_encoded_key | |
| 0x0007: validation | |
| 0x0008: volume_master_key | |
| 0x0009: external_key | |
| 0x000A: update | |
| 0x000B: error | |
| 0x000F: offset_and_size |
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| meta: | |
| id: bde_volume_header_to_go | |
| endian: le | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/bde_volume.h | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/libbde_io_handle.c | |
| types: | |
| bitlocker_vol_togo: | |
| seq: | |
| - id: boot_entry_point | |
| size: 3 | |
| - id: signature | |
| contents: 'MSWIN4.1' | |
| - id: bytes_per_sector | |
| type: u2 | |
| - id: sectors_per_cluster_block | |
| type: u1 | |
| - id: unknown1 | |
| size: 5 | |
| - id: total_number_of_sectors_16bit | |
| type: u2 | |
| - id: media_descriptor | |
| type: u1 | |
| - id: unknown2 | |
| size: 2 | |
| - id: sectors_per_track | |
| type: u2 | |
| - id: number_of_heads | |
| type: u2 | |
| - id: number_of_hidden_sectors | |
| type: u4 | |
| - id: total_number_of_sectors_32bit | |
| type: u4 | |
| - id: unknown3 | |
| size: 31 | |
| - id: volume_serial_number | |
| type: u4 | |
| - id: volume_label | |
| size: 11 | |
| type: str | |
| encoding: ascii | |
| - id: file_system_signature | |
| size: 8 | |
| - id: bootcode | |
| size: 334 | |
| - id: identifier | |
| size: 16 | |
| doc: 'Contains a GUID' | |
| - id: first_metadata_offset | |
| type: u8 | |
| - id: second_metadata_offset | |
| type: u8 | |
| - id: third_metadata_offset | |
| type: u8 | |
| - id: unknown4 | |
| size: 46 | |
| - id: sector_signature | |
| contents: [ 0x55, 0xAA ] |
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| meta: | |
| id: bde_volume_header_windows_7 | |
| endian: le | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/bde_volume.h | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/libbde_io_handle.c | |
| types: | |
| bitlocker_vol7: | |
| seq: | |
| - id: boot_entry_point | |
| contents: [ 0xeb, 0x52, 0x90 ] | |
| - id: signature | |
| contents: '-FVE-FS-' | |
| - id: bytes_per_sector | |
| type: u2 | |
| - id: sectors_per_cluster_block | |
| type: u1 | |
| - id: unknown1 | |
| size: 5 | |
| - id: total_number_of_sectors_16bit | |
| type: u2 | |
| - id: media_descriptor | |
| type: u1 | |
| - id: unknown2 | |
| size: 2 | |
| - id: sectors_per_track | |
| type: u2 | |
| - id: number_of_heads | |
| type: u2 | |
| - id: number_of_hidden_sectors | |
| type: u4 | |
| - id: total_number_of_sectors_32bit | |
| type: u4 | |
| - id: unknown3 | |
| size: 31 | |
| - id: volume_serial_number | |
| type: u4 | |
| - id: volume_label | |
| size: 11 | |
| type: str | |
| encoding: ascii | |
| - id: file_system_signature | |
| size: 8 | |
| - id: bootcode | |
| size: 70 | |
| - id: identifier | |
| size: 16 | |
| - id: first_metadata_offset | |
| type: u8 | |
| - id: second_metadata_offset | |
| type: u8 | |
| - id: third_metadata_offset | |
| type: u8 | |
| - id: unknown4 | |
| size: 310 | |
| - id: sector_signature | |
| contents: [ 0x55, 0xAA ] |
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| meta: | |
| id: bde_volume_header_windows_vista | |
| endian: le | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/bde_volume.h | |
| doc-ref: https://github.com/libyal/libbde/blob/master/libbde/libbde_io_handle.c | |
| types: | |
| bitlocker_vol_vista: | |
| seq: | |
| - id: boot_entry_point | |
| contents: [ 0xeb, 0x58, 0x90 ] | |
| - id: signature | |
| contents: '-FVE-FS-' | |
| - id: bytes_per_sector | |
| type: u2 | |
| - id: sectors_per_cluster_block | |
| type: u1 | |
| - id: unknown1 | |
| size: 5 | |
| - id: total_number_of_sectors_16bit | |
| type: u2 | |
| - id: media_descriptor | |
| type: u1 | |
| - id: unknown2 | |
| size: 2 | |
| - id: sectors_per_track | |
| type: u2 | |
| - id: number_of_heads | |
| type: u2 | |
| - id: number_of_hidden_sectors | |
| type: u4 | |
| - id: total_number_of_sectors_32bit | |
| type: u4 | |
| - id: unknown3 | |
| size: 4 | |
| - id: total_number_of_sectors_64bit | |
| type: u8 | |
| - id: mft_cluster_block_number | |
| type: u8 | |
| - id: first_metadata_cluster_block_number | |
| type: u8 | |
| - id: mft_entry_size | |
| type: u4 | |
| - id: index_entry_size | |
| type: u4 | |
| - id: volume_serial_number | |
| type: u8 | |
| - id: checksum | |
| type: u4 | |
| - id: bootcode | |
| size: 426 | |
| - id: sector_signature | |
| contents: [ 0x55, 0xAA ] | |
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