-/*

- Legal Notice: Some portions of the source code contained in this file were

- derived from the source code of TrueCrypt 7.1a, which is

- Copyright (c) 2003-2012 TrueCrypt Developers Association and which is

- governed by the TrueCrypt License 3.0, also from the source code of

- Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux

- and which is governed by the 'License Agreement for Encryption for the Masses'

- Modifications and additions to the original source code (contained in this file)

- and all other portions of this file are Copyright (c) 2013-2016 IDRIX

- and are governed by the Apache License 2.0 the full text of which is

- contained in the file License.txt included in VeraCrypt binary and source

- code distribution packages. */

-

-#ifndef TC_HEADER_Common_Volumes

-#define TC_HEADER_Common_Volumes

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-// Volume header version

-#define VOLUME_HEADER_VERSION 0x0005

-

-// Version number written to volume header during format;

-// specifies the minimum program version required to mount the volume

-#define TC_VOLUME_MIN_REQUIRED_PROGRAM_VERSION 0x010b

-

-// Version number written (encrypted) to the key data area of an encrypted system partition/drive;

-// specifies the minimum program version required to decrypt the system partition/drive

-#define TC_SYSENC_KEYSCOPE_MIN_REQ_PROG_VERSION 0x010b

-

-// Current volume format version (created by TrueCrypt 6.0+)

-#define TC_VOLUME_FORMAT_VERSION 2

-

-// Version number of volume format created by TrueCrypt 1.0-5.1a

-#define TC_VOLUME_FORMAT_VERSION_PRE_6_0 1

-

-// Volume header sizes

-#define TC_VOLUME_HEADER_SIZE (64 * 1024L)

-#define TC_VOLUME_HEADER_EFFECTIVE_SIZE 512

-#define TC_BOOT_ENCRYPTION_VOLUME_HEADER_SIZE 512

-#define TC_VOLUME_HEADER_SIZE_LEGACY 512

-

-#define TC_VOLUME_HEADER_GROUP_SIZE (2 * TC_VOLUME_HEADER_SIZE)

-#define TC_TOTAL_VOLUME_HEADERS_SIZE (4 * TC_VOLUME_HEADER_SIZE)

-

-// Volume offsets

-#define TC_VOLUME_HEADER_OFFSET 0

-#define TC_HIDDEN_VOLUME_HEADER_OFFSET TC_VOLUME_HEADER_SIZE

-

-// Sector sizes

-#define TC_MIN_VOLUME_SECTOR_SIZE 512

-#define TC_MAX_VOLUME_SECTOR_SIZE 4096

-#define TC_SECTOR_SIZE_FILE_HOSTED_VOLUME 512

-#define TC_SECTOR_SIZE_LEGACY 512

-

-// Sector size which can be safely assumed to be supported by all BIOSes

-#define TC_SECTOR_SIZE_BIOS 512

-

-#define TC_VOLUME_SMALL_SIZE_THRESHOLD (2 * BYTES_PER_MB) // Volume sizes below this threshold are considered small

-

-#define TC_HIDDEN_VOLUME_HOST_FS_RESERVED_END_AREA_SIZE TC_MAX_VOLUME_SECTOR_SIZE // FAT file system fills the last sector with zeroes (marked as free; observed when quick format was performed using the OS format tool).

-#define TC_HIDDEN_VOLUME_HOST_FS_RESERVED_END_AREA_SIZE_HIGH TC_VOLUME_HEADER_GROUP_SIZE // Reserved area size used for hidden volumes larger than TC_VOLUME_SMALL_SIZE_THRESHOLD

-

-#define TC_VOLUME_DATA_OFFSET TC_VOLUME_HEADER_GROUP_SIZE

-

-// The offset, in bytes, of the legacy hidden volume header position from the end of the file (a positive value).

-#define TC_HIDDEN_VOLUME_HEADER_OFFSET_LEGACY (TC_VOLUME_HEADER_SIZE_LEGACY + TC_SECTOR_SIZE_LEGACY * 2)

-

-#define TC_MAX_128BIT_BLOCK_VOLUME_SIZE BYTES_PER_PB // Security bound (128-bit block XTS mode)

-

-// Filesystem size limits

-#define TC_MIN_FAT_FS_SIZE (9 * TC_MAX_VOLUME_SECTOR_SIZE)

-#define TC_MAX_FAT_SECTOR_COUNT 0x100000000ULL

-#define TC_MIN_NTFS_FS_SIZE (884 * TC_MAX_VOLUME_SECTOR_SIZE)

-#define TC_MAX_NTFS_FS_SIZE (128LL * BYTES_PER_TB) // NTFS volume can theoretically be up to 16 exabytes, but Windows XP and 2003 limit the size to that addressable with 32-bit clusters, i.e. max size is 128 TB (if 64-KB clusters are used).

-#define TC_MAX_FAT_CLUSTER_SIZE (256 * BYTES_PER_KB) // Windows XP/Vista may crash when writing to a filesystem using clusters larger than 256 KB

-#define TC_MIN_EXFAT_FS_SIZE (42 * TC_MAX_VOLUME_SECTOR_SIZE)

-#define TC_MAX_EXFAT_FS_SIZE (128LL * BYTES_PER_PB)

-

-// Volume size limits

-#define TC_MIN_VOLUME_SIZE (TC_TOTAL_VOLUME_HEADERS_SIZE + TC_MIN_FAT_FS_SIZE)

-#define TC_MIN_VOLUME_SIZE_LEGACY (37 * TC_SECTOR_SIZE_LEGACY)

-#define TC_MAX_VOLUME_SIZE_GENERAL 0x7fffFFFFffffFFFFLL // Signed 64-bit integer file offset values

-#define TC_MAX_VOLUME_SIZE TC_MAX_128BIT_BLOCK_VOLUME_SIZE

-

-#define TC_MIN_HIDDEN_VOLUME_SIZE (TC_MIN_FAT_FS_SIZE + TC_HIDDEN_VOLUME_HOST_FS_RESERVED_END_AREA_SIZE)

-

-#define TC_MIN_HIDDEN_VOLUME_HOST_SIZE (TC_MIN_VOLUME_SIZE + TC_MIN_HIDDEN_VOLUME_SIZE + 2 * TC_MAX_VOLUME_SECTOR_SIZE)

-#define TC_MAX_HIDDEN_VOLUME_HOST_SIZE (TC_MAX_NTFS_FS_SIZE - TC_TOTAL_VOLUME_HEADERS_SIZE)

-

-#ifndef TC_NO_COMPILER_INT64

-# if TC_MAX_VOLUME_SIZE > TC_MAX_VOLUME_SIZE_GENERAL

-# error TC_MAX_VOLUME_SIZE > TC_MAX_VOLUME_SIZE_GENERAL

-# endif

-#endif

-

-#define HEADER_ENCRYPTED_DATA_SIZE (TC_VOLUME_HEADER_EFFECTIVE_SIZE - HEADER_ENCRYPTED_DATA_OFFSET)

-

-// Volume header field offsets

-#define HEADER_SALT_OFFSET 0

-#define HEADER_ENCRYPTED_DATA_OFFSET PKCS5_SALT_SIZE

-#define HEADER_MASTER_KEYDATA_OFFSET 256

-

-#define TC_HEADER_OFFSET_MAGIC 64

-#define TC_HEADER_OFFSET_VERSION 68

-#define TC_HEADER_OFFSET_REQUIRED_VERSION 70

-#define TC_HEADER_OFFSET_KEY_AREA_CRC 72

-#define TC_HEADER_OFFSET_VOLUME_CREATION_TIME 76

-#define TC_HEADER_OFFSET_MODIFICATION_TIME 84

-#define TC_HEADER_OFFSET_HIDDEN_VOLUME_SIZE 92

-#define TC_HEADER_OFFSET_VOLUME_SIZE 100

-#define TC_HEADER_OFFSET_ENCRYPTED_AREA_START 108

-#define TC_HEADER_OFFSET_ENCRYPTED_AREA_LENGTH 116

-#define TC_HEADER_OFFSET_FLAGS 124

-#define TC_HEADER_OFFSET_SECTOR_SIZE 128

-#define TC_HEADER_OFFSET_HEADER_CRC 252

-

-// Volume header flags

-#define TC_HEADER_FLAG_ENCRYPTED_SYSTEM 0x1

-#define TC_HEADER_FLAG_NONSYS_INPLACE_ENC 0x2 // The volume has been created (or is being encrypted/decrypted) using non-system in-place encryption

-

-

-#ifndef TC_HEADER_Volume_VolumeHeader

-

-#include "Password.h"

-

-extern BOOL ReadVolumeHeaderRecoveryMode;

-

-uint16 GetHeaderField16 (byte *header, int offset);

-uint32 GetHeaderField32 (byte *header, int offset);

-UINT64_STRUCT GetHeaderField64 (byte *header, int offset);

-#ifdef TC_WINDOWS_BOOT

-int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int pim, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo);

-#else

-int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int pkcs5_prf, int pim, BOOL truecryptMode, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo);

-#ifdef _WIN32

-void ComputeBootloaderFingerprint (byte *bootLoaderBuf, unsigned int bootLoaderSize, byte* fingerprint);

-#endif

-#endif

-

-#if !defined (DEVICE_DRIVER) && !defined (TC_WINDOWS_BOOT)

-int CreateVolumeHeaderInMemory (HWND hwndDlg, BOOL bBoot, char *encryptedHeader, int ea, int mode, Password *password, int pkcs5_prf, int pim, char *masterKeydata, PCRYPTO_INFO *retInfo, unsigned __int64 volumeSize, unsigned __int64 hiddenVolumeSize, unsigned __int64 encryptedAreaStart, unsigned __int64 encryptedAreaLength, uint16 requiredProgramVersion, uint32 headerFlags, uint32 sectorSize, BOOL bWipeMode);

-BOOL ReadEffectiveVolumeHeader (BOOL device, HANDLE fileHandle, byte *header, DWORD *bytesRead);

-BOOL WriteEffectiveVolumeHeader (BOOL device, HANDLE fileHandle, byte *header);

-int WriteRandomDataToReservedHeaderAreas (HWND hwndDlg, HANDLE dev, CRYPTO_INFO *cryptoInfo, uint64 dataAreaSize, BOOL bPrimaryOnly, BOOL bBackupOnly);

-#endif

-

-#endif // !TC_HEADER_Volume_VolumeHeader

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif // TC_HEADER_Common_Volumes