From c606f0866c3a2a5db3ef9bc41738ef33eb9612a9 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Sat, 22 Jun 2013 16:16:13 +0200 Subject: Add original TrueCrypt 7.1a sources --- src/Common/Volumes.h | 144 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 144 insertions(+) create mode 100644 src/Common/Volumes.h (limited to 'src/Common/Volumes.h') diff --git a/src/Common/Volumes.h b/src/Common/Volumes.h new file mode 100644 index 00000000..14e9868b --- /dev/null +++ b/src/Common/Volumes.h @@ -0,0 +1,144 @@ +/* + Legal Notice: Some portions of the source code contained in this file were + derived 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) 2003-2010 TrueCrypt Developers Association + and are governed by the TrueCrypt License 3.0 the full text of which is + contained in the file License.txt included in TrueCrypt 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 0x0700 + +// 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 0x0700 + +// 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 + +// 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 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); +int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo); + +#if !defined (DEVICE_DRIVER) && !defined (TC_WINDOWS_BOOT) +int CreateVolumeHeaderInMemory (BOOL bBoot, char *encryptedHeader, int ea, int mode, Password *password, int pkcs5_prf, 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 (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 -- cgit v1.2.3