/* 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) 2013-2017 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) #define TC_MIN_REFS_FS_SIZE (641 * BYTES_PER_MB) // minimal allowed volume size with 4KiB clusters. Determined empirically. #define TC_MAX_REFS_FS_SIZE (0xFFFFFFFFFFFFFFFFULL) // real limit is 1 Yobibyte but it's too large for 64-bit integer // 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 (uint8 *header, int offset); uint32 GetHeaderField32 (uint8 *header, int offset); UINT64_STRUCT GetHeaderField64 (uint8 *header, int offset); #if defined(TC_WINDOWS_BOOT) int ReadVolumeHeader (BOOL bBoot, unsigned char *encryptedHeader, Password *password, int pim, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo); #elif defined(_UEFI) int ReadVolumeHeader(BOOL bBoot, unsigned char *encryptedHeader, Password *password, int pkcs5_prf, int pim, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo); int CreateVolumeHeaderInMemory(BOOL bBoot, unsigned 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 RandgetBytes(unsigned char *buf, int len, BOOL forceSlowPoll); #else int ReadVolumeHeader (BOOL bBoot, unsigned char *encryptedHeader, Password *password, int pkcs5_prf, int pim, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo); #if defined(_WIN32) && !defined(_UEFI) void ComputeBootloaderFingerprint (uint8 *bootLoaderBuf, unsigned int bootLoaderSize, uint8* fingerprint); #endif #endif #if !defined (DEVICE_DRIVER) && !defined (TC_WINDOWS_BOOT) && !defined(_UEFI) int CreateVolumeHeaderInMemory (HWND hwndDlg, BOOL bBoot, unsigned 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, uint8 *header, DWORD *bytesRead); BOOL WriteEffectiveVolumeHeader (BOOL device, HANDLE fileHandle, uint8 *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 #n157'>157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655