-#ifndef TC_WINDOWS_BOOT

- { BLOWFISH, "Blowfish", 8, 56, sizeof (BF_KEY) }, // Deprecated/legacy

- { CAST, "CAST5", 8, 16, sizeof (CAST_KEY) }, // Deprecated/legacy

- { TRIPLEDES,"Triple DES", 8, 8*3, sizeof (TDES_KEY) }, // Deprecated/legacy

-#endif

-// The following modes have been deprecated (legacy): LRW, CBC, INNER_CBC, OUTER_CBC

- { { 0, 0 }, { 0, 0, 0, 0 }, 0 }, // Must be all-zero

- { { AES, 0 }, { XTS, LRW, CBC, 0 }, 1 },

- { { SERPENT, 0 }, { XTS, LRW, CBC, 0 }, 1 },

- { { TWOFISH, 0 }, { XTS, LRW, CBC, 0 }, 1 },

- { { TWOFISH, AES, 0 }, { XTS, LRW, OUTER_CBC, 0 }, 1 },

- { { SERPENT, TWOFISH, AES, 0 }, { XTS, LRW, OUTER_CBC, 0 }, 1 },

- { { AES, SERPENT, 0 }, { XTS, LRW, OUTER_CBC, 0 }, 1 },

- { { AES, TWOFISH, SERPENT, 0 }, { XTS, LRW, OUTER_CBC, 0 }, 1 },

- { { SERPENT, TWOFISH, 0 }, { XTS, LRW, OUTER_CBC, 0 }, 1 },

- { { BLOWFISH, 0 }, { LRW, CBC, 0, 0 }, 0 }, // Deprecated/legacy

- { { CAST, 0 }, { LRW, CBC, 0, 0 }, 0 }, // Deprecated/legacy

- { { TRIPLEDES, 0 }, { LRW, CBC, 0, 0 }, 0 }, // Deprecated/legacy

- { { BLOWFISH, AES, 0 }, { INNER_CBC, 0, 0, 0 }, 0 }, // Deprecated/legacy

- { { SERPENT, BLOWFISH, AES, 0 }, { INNER_CBC, 0, 0, 0 }, 0 }, // Deprecated/legacy

- { { 0, 0 }, { 0, 0, 0, 0 }, 0 } // Must be all-zero

- { SHA1, "SHA-1", TRUE, FALSE }, // Deprecated/legacy

-#ifndef TC_WINDOWS_BOOT

-

- case BLOWFISH:

- /* Deprecated/legacy */

- BlowfishSetKey ((BF_KEY *)ks, CipherGetKeySize(BLOWFISH), key);

- break;

-

- case CAST:

- /* Deprecated/legacy */

- Cast5SetKey ((CAST_KEY *) ks, CipherGetKeySize(CAST), key);

- break;

-

- case TRIPLEDES:

- /* Deprecated/legacy */

- TripleDesSetKey (key, CipherGetKeySize (TRIPLEDES), (TDES_KEY *) ks);

-

- // Verify whether all three DES keys are mutually different

- if (((*((__int64 *) key) ^ *((__int64 *) key+1)) & 0xFEFEFEFEFEFEFEFEULL) == 0

- || ((*((__int64 *) key+1) ^ *((__int64 *) key+2)) & 0xFEFEFEFEFEFEFEFEULL) == 0

- || ((*((__int64 *) key) ^ *((__int64 *) key+2)) & 0xFEFEFEFEFEFEFEFEULL) == 0)

- retVal = ERR_CIPHER_INIT_WEAK_KEY; // Non-fatal error

-

- break;

-

-#endif // TC_WINDOWS_BOOT

-

-#ifndef TC_WINDOWS_BOOT

- case BLOWFISH: BlowfishEncryptLE (data, data, ks, 1); break; // Deprecated/legacy

- case CAST: Cast5Encrypt (data, data, ks); break; // Deprecated/legacy

- case TRIPLEDES: TripleDesEncrypt (data, data, ks, 1); break; // Deprecated/legacy

-#endif

- case BLOWFISH: BlowfishEncryptLE (data, data, ks, 0); break; // Deprecated/legacy

- case CAST: Cast5Decrypt (data, data, ks); break; // Deprecated/legacy

- case TRIPLEDES: TripleDesEncrypt (data, data, ks, 0); break; // Deprecated/legacy

- case LRW:

- switch (CipherGetBlockSize (EAGetFirstCipher (ci->ea)))

- {

- case 8:

- /* Deprecated/legacy */

- return Gf64TabInit (ci->k2, &ci->gf_ctx);

-

- case 16:

- return Gf128Tab64Init (ci->k2, &ci->gf_ctx);

-

- default:

- TC_THROW_FATAL_EXCEPTION;

- }

-

- break;

-

- case CBC:

- case INNER_CBC:

- case OUTER_CBC:

- // The mode does not need to be initialized or is initialized elsewhere

- return TRUE;

-

- case LRW:

-

- /* Deprecated/legacy */

-

- return "LRW";

-

- case CBC:

- {

- /* Deprecated/legacy */

-

- char eaName[100];

- EAGetName (eaName, ea);

-

- if (strcmp (eaName, "Triple DES") == 0)

- return capitalLetters ? "Outer-CBC" : "outer-CBC";

-

- return "CBC";

- }

-

- case OUTER_CBC:

-

- /* Deprecated/legacy */

-

- return capitalLetters ? "Outer-CBC" : "outer-CBC";

-

- case INNER_CBC:

-

- /* Deprecated/legacy */

-

- return capitalLetters ? "Inner-CBC" : "inner-CBC";

-

-#ifndef TC_NO_COMPILER_INT64

-void Xor128 (unsigned __int64 *a, unsigned __int64 *b)

-{

- *a++ ^= *b++;

- *a ^= *b;

-}

-

-

-void Xor64 (unsigned __int64 *a, unsigned __int64 *b)

-{

- *a ^= *b;

-}

-

-

-void EncryptBufferLRW128 (byte *buffer, uint64 length, uint64 blockIndex, PCRYPTO_INFO cryptoInfo)

-{

- /* Deprecated/legacy */

-

- int cipher = EAGetFirstCipher (cryptoInfo->ea);

- int cipherCount = EAGetCipherCount (cryptoInfo->ea);

- unsigned __int8 *p = buffer;

- unsigned __int8 *ks = cryptoInfo->ks;

- unsigned __int8 i[8];

- unsigned __int8 t[16];

- unsigned __int64 b;

-

- *(unsigned __int64 *)i = BE64(blockIndex);

-

- if (length % 16)

- TC_THROW_FATAL_EXCEPTION;

-

- // Note that the maximum supported volume size is 8589934592 GB (i.e., 2^63 bytes).

-

- for (b = 0; b < length >> 4; b++)

- {

- Gf128MulBy64Tab (i, t, &cryptoInfo->gf_ctx);

- Xor128 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- if (cipherCount > 1)

- {

- // Cipher cascade

- for (cipher = EAGetFirstCipher (cryptoInfo->ea);

- cipher != 0;

- cipher = EAGetNextCipher (cryptoInfo->ea, cipher))

- {

- EncipherBlock (cipher, p, ks);

- ks += CipherGetKeyScheduleSize (cipher);

- }

- ks = cryptoInfo->ks;

- }

- else

- {

- EncipherBlock (cipher, p, ks);

- }

-

- Xor128 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- p += 16;

-

- if (i[7] != 0xff)

- i[7]++;

- else

- *(unsigned __int64 *)i = BE64 ( BE64(*(unsigned __int64 *)i) + 1 );

- }

-

- FAST_ERASE64 (t, sizeof(t));

-}

-

-

-void EncryptBufferLRW64 (byte *buffer, uint64 length, uint64 blockIndex, PCRYPTO_INFO cryptoInfo)

-{

- /* Deprecated/legacy */

-

- int cipher = EAGetFirstCipher (cryptoInfo->ea);

- unsigned __int8 *p = buffer;

- unsigned __int8 *ks = cryptoInfo->ks;

- unsigned __int8 i[8];

- unsigned __int8 t[8];

- unsigned __int64 b;

-

- *(unsigned __int64 *)i = BE64(blockIndex);

-

- if (length % 8)

- TC_THROW_FATAL_EXCEPTION;

-

- for (b = 0; b < length >> 3; b++)

- {

- Gf64MulTab (i, t, &cryptoInfo->gf_ctx);

- Xor64 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- EncipherBlock (cipher, p, ks);

-

- Xor64 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- p += 8;

-

- if (i[7] != 0xff)

- i[7]++;

- else

- *(unsigned __int64 *)i = BE64 ( BE64(*(unsigned __int64 *)i) + 1 );

- }

-

- FAST_ERASE64 (t, sizeof(t));

-}

-

-

-void DecryptBufferLRW128 (byte *buffer, uint64 length, uint64 blockIndex, PCRYPTO_INFO cryptoInfo)

-{

- /* Deprecated/legacy */

-

- int cipher = EAGetFirstCipher (cryptoInfo->ea);

- int cipherCount = EAGetCipherCount (cryptoInfo->ea);

- unsigned __int8 *p = buffer;

- unsigned __int8 *ks = cryptoInfo->ks;

- unsigned __int8 i[8];

- unsigned __int8 t[16];

- unsigned __int64 b;

-

- *(unsigned __int64 *)i = BE64(blockIndex);

-

- if (length % 16)

- TC_THROW_FATAL_EXCEPTION;

-

- // Note that the maximum supported volume size is 8589934592 GB (i.e., 2^63 bytes).

-

- for (b = 0; b < length >> 4; b++)

- {

- Gf128MulBy64Tab (i, t, &cryptoInfo->gf_ctx);

- Xor128 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- if (cipherCount > 1)

- {

- // Cipher cascade

- ks = cryptoInfo->ks + EAGetKeyScheduleSize (cryptoInfo->ea);

-

- for (cipher = EAGetLastCipher (cryptoInfo->ea);

- cipher != 0;

- cipher = EAGetPreviousCipher (cryptoInfo->ea, cipher))

- {

- ks -= CipherGetKeyScheduleSize (cipher);

- DecipherBlock (cipher, p, ks);

- }

- }

- else

- {

- DecipherBlock (cipher, p, ks);

- }

-

- Xor128 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- p += 16;

-

- if (i[7] != 0xff)

- i[7]++;

- else

- *(unsigned __int64 *)i = BE64 ( BE64(*(unsigned __int64 *)i) + 1 );

- }

-

- FAST_ERASE64 (t, sizeof(t));

-}

-

-

-

-void DecryptBufferLRW64 (byte *buffer, uint64 length, uint64 blockIndex, PCRYPTO_INFO cryptoInfo)

-{

- /* Deprecated/legacy */

-

- int cipher = EAGetFirstCipher (cryptoInfo->ea);

- unsigned __int8 *p = buffer;

- unsigned __int8 *ks = cryptoInfo->ks;

- unsigned __int8 i[8];

- unsigned __int8 t[8];

- unsigned __int64 b;

-

- *(unsigned __int64 *)i = BE64(blockIndex);

-

- if (length % 8)

- TC_THROW_FATAL_EXCEPTION;

-

- for (b = 0; b < length >> 3; b++)

- {

- Gf64MulTab (i, t, &cryptoInfo->gf_ctx);

- Xor64 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- DecipherBlock (cipher, p, ks);

-

- Xor64 ((unsigned __int64 *)p, (unsigned __int64 *)t);

-

- p += 8;

-

- if (i[7] != 0xff)

- i[7]++;

- else

- *(unsigned __int64 *)i = BE64 ( BE64(*(unsigned __int64 *)i) + 1 );

- }

-

- FAST_ERASE64 (t, sizeof(t));

-}

-

-

-// Initializes IV and whitening values for sector encryption/decryption in CBC mode.

-// IMPORTANT: This function has been deprecated (legacy).

-static void

-InitSectorIVAndWhitening (unsigned __int64 unitNo,

- int blockSize,

- unsigned __int32 *iv,

- unsigned __int64 *ivSeed,

- unsigned __int32 *whitening)

-{

-

- /* IMPORTANT: This function has been deprecated (legacy) */

-

- unsigned __int64 iv64[4];

- unsigned __int32 *iv32 = (unsigned __int32 *) iv64;

-

- iv64[0] = ivSeed[0] ^ LE64(unitNo);

- iv64[1] = ivSeed[1] ^ LE64(unitNo);

- iv64[2] = ivSeed[2] ^ LE64(unitNo);

- if (blockSize == 16)

- {

- iv64[3] = ivSeed[3] ^ LE64(unitNo);

- }

-

- iv[0] = iv32[0];

- iv[1] = iv32[1];

-

- switch (blockSize)

- {

- case 16:

-

- // 128-bit block

-

- iv[2] = iv32[2];

- iv[3] = iv32[3];

-

- whitening[0] = LE32( crc32int ( &iv32[4] ) ^ crc32int ( &iv32[7] ) );

- whitening[1] = LE32( crc32int ( &iv32[5] ) ^ crc32int ( &iv32[6] ) );

- break;

-

- case 8:

-

- // 64-bit block

-

- whitening[0] = LE32( crc32int ( &iv32[2] ) ^ crc32int ( &iv32[5] ) );

- whitening[1] = LE32( crc32int ( &iv32[3] ) ^ crc32int ( &iv32[4] ) );

- break;

-

- default:

- TC_THROW_FATAL_EXCEPTION;

- }

-}

-

-

-// EncryptBufferCBC (deprecated/legacy)

-//

-// data: data to be encrypted

-// len: number of bytes to encrypt (must be divisible by the largest cipher block size)

-// ks: scheduled key

-// iv: IV

-// whitening: whitening constants

-// ea: outer-CBC cascade ID (0 = CBC/inner-CBC)

-// cipher: CBC/inner-CBC cipher ID (0 = outer-CBC)

-

-static void

-EncryptBufferCBC (unsigned __int32 *data,

- unsigned int len,

- unsigned __int8 *ks,

- unsigned __int32 *iv,

- unsigned __int32 *whitening,

- int ea,

- int cipher)

-{

- /* IMPORTANT: This function has been deprecated (legacy) */

-

- unsigned __int32 bufIV[4];

- unsigned __int64 i;

- int blockSize = CipherGetBlockSize (ea != 0 ? EAGetFirstCipher (ea) : cipher);

-

- if (len % blockSize)

- TC_THROW_FATAL_EXCEPTION;

-

- // IV

- bufIV[0] = iv[0];

- bufIV[1] = iv[1];

- if (blockSize == 16)

- {

- bufIV[2] = iv[2];

- bufIV[3] = iv[3];

- }

-

- // Encrypt each block

- for (i = 0; i < len/blockSize; i++)

- {

- // CBC

- data[0] ^= bufIV[0];

- data[1] ^= bufIV[1];

- if (blockSize == 16)

- {

- data[2] ^= bufIV[2];

- data[3] ^= bufIV[3];

- }

-

- if (ea != 0)

- {

- // Outer-CBC

- for (cipher = EAGetFirstCipher (ea); cipher != 0; cipher = EAGetNextCipher (ea, cipher))

- {

- EncipherBlock (cipher, data, ks);

- ks += CipherGetKeyScheduleSize (cipher);

- }

- ks -= EAGetKeyScheduleSize (ea);

- }

- else

- {

- // CBC/inner-CBC

- EncipherBlock (cipher, data, ks);

- }

-

- // CBC

- bufIV[0] = data[0];

- bufIV[1] = data[1];

- if (blockSize == 16)

- {

- bufIV[2] = data[2];

- bufIV[3] = data[3];

- }

-

- // Whitening

- data[0] ^= whitening[0];

- data[1] ^= whitening[1];

- if (blockSize == 16)

- {

- data[2] ^= whitening[0];

- data[3] ^= whitening[1];

- }

-

- data += blockSize / sizeof(*data);

- }

-}

-

-

-// DecryptBufferCBC (deprecated/legacy)

-//

-// data: data to be decrypted

-// len: number of bytes to decrypt (must be divisible by the largest cipher block size)

-// ks: scheduled key

-// iv: IV

-// whitening: whitening constants

-// ea: outer-CBC cascade ID (0 = CBC/inner-CBC)

-// cipher: CBC/inner-CBC cipher ID (0 = outer-CBC)

-

-static void

-DecryptBufferCBC (unsigned __int32 *data,

- unsigned int len,

- unsigned __int8 *ks,

- unsigned __int32 *iv,

- unsigned __int32 *whitening,

- int ea,

- int cipher)

-{

-

- /* IMPORTANT: This function has been deprecated (legacy) */

-

- unsigned __int32 bufIV[4];

- unsigned __int64 i;

- unsigned __int32 ct[4];

- int blockSize = CipherGetBlockSize (ea != 0 ? EAGetFirstCipher (ea) : cipher);

-

- if (len % blockSize)

- TC_THROW_FATAL_EXCEPTION;

-

- // IV

- bufIV[0] = iv[0];

- bufIV[1] = iv[1];

- if (blockSize == 16)

- {

- bufIV[2] = iv[2];

- bufIV[3] = iv[3];

- }

-

- // Decrypt each block

- for (i = 0; i < len/blockSize; i++)

- {

- // Dewhitening

- data[0] ^= whitening[0];

- data[1] ^= whitening[1];

- if (blockSize == 16)

- {

- data[2] ^= whitening[0];

- data[3] ^= whitening[1];

- }

-

- // CBC

- ct[0] = data[0];

- ct[1] = data[1];

- if (blockSize == 16)

- {

- ct[2] = data[2];

- ct[3] = data[3];

- }

-

- if (ea != 0)

- {

- // Outer-CBC

- ks += EAGetKeyScheduleSize (ea);

- for (cipher = EAGetLastCipher (ea); cipher != 0; cipher = EAGetPreviousCipher (ea, cipher))

- {

- ks -= CipherGetKeyScheduleSize (cipher);

- DecipherBlock (cipher, data, ks);

- }

- }

- else

- {

- // CBC/inner-CBC

- DecipherBlock (cipher, data, ks);

- }

-

- // CBC

- data[0] ^= bufIV[0];

- data[1] ^= bufIV[1];

- bufIV[0] = ct[0];

- bufIV[1] = ct[1];

- if (blockSize == 16)

- {

- data[2] ^= bufIV[2];

- data[3] ^= bufIV[3];

- bufIV[2] = ct[2];

- bufIV[3] = ct[3];

- }

-

- data += blockSize / sizeof(*data);

- }

-}

-#endif // #ifndef TC_NO_COMPILER_INT64

-

-#ifndef TC_NO_COMPILER_INT64

- case LRW:

-

- /* Deprecated/legacy */

-

- switch (CipherGetBlockSize (EAGetFirstCipher (cryptoInfo->ea)))

- {

- case 8:

- EncryptBufferLRW64 ((unsigned __int8 *)buf, (unsigned __int64) len, 1, cryptoInfo);

- break;

-

- case 16:

- EncryptBufferLRW128 ((unsigned __int8 *)buf, (unsigned __int64) len, 1, cryptoInfo);

- break;

-

- default:

- TC_THROW_FATAL_EXCEPTION;

- }

- break;

-

- case CBC:

- case INNER_CBC:

- {

- /* Deprecated/legacy */

-

- unsigned __int8 *ks = cryptoInfo->ks;

- int cipher;

-

- for (cipher = EAGetFirstCipher (cryptoInfo->ea);

- cipher != 0;

- cipher = EAGetNextCipher (cryptoInfo->ea, cipher))

- {

- EncryptBufferCBC ((unsigned __int32 *) buf,

- (unsigned int) len,

- ks,

- (unsigned __int32 *) cryptoInfo->k2,

- (unsigned __int32 *) &cryptoInfo->k2[8],

- 0,

- cipher);

-

- ks += CipherGetKeyScheduleSize (cipher);

- }

- }

- break;

-

- case OUTER_CBC:

-

- /* Deprecated/legacy */

-

- EncryptBufferCBC ((unsigned __int32 *) buf,

- (unsigned int) len,

- cryptoInfo->ks,

- (unsigned __int32 *) cryptoInfo->k2,

- (unsigned __int32 *) &cryptoInfo->k2[8],

- cryptoInfo->ea,

- 0);

-

- break;

-#endif // #ifndef TC_NO_COMPILER_INT64

-

-#ifndef TC_NO_COMPILER_INT64

-// Converts a data unit number to the index of the first LRW block in the data unit.

-// Note that the maximum supported volume size is 8589934592 GB (i.e., 2^63 bytes).

-uint64 DataUnit2LRWIndex (uint64 dataUnit, int blockSize, PCRYPTO_INFO ci)

-{

- /* Deprecated/legacy */

-

- if (ci->hiddenVolume)

- dataUnit -= ci->hiddenVolumeOffset / ENCRYPTION_DATA_UNIT_SIZE;

- else

- dataUnit -= TC_VOLUME_HEADER_SIZE_LEGACY / ENCRYPTION_DATA_UNIT_SIZE; // Compensate for the volume header size

-

- switch (blockSize)

- {

- case 8:

- return (dataUnit << 6) | 1;

-

- case 16:

- return (dataUnit << 5) | 1;

-

- default:

- TC_THROW_FATAL_EXCEPTION;

- }

-

- return 0;

-}

-#endif // #ifndef TC_NO_COMPILER_INT64

-

-#ifndef TC_NO_COMPILER_INT64

- void *iv = ci->k2; // Deprecated/legacy

- unsigned __int64 unitNo = structUnitNo->Value;

- unsigned __int64 *iv64 = (unsigned __int64 *) iv; // Deprecated/legacy

- unsigned __int32 sectorIV[4]; // Deprecated/legacy

- unsigned __int32 secWhitening[2]; // Deprecated/legacy

-#endif

-

-#ifndef TC_NO_COMPILER_INT64

- case LRW:

-

- /* Deprecated/legacy */

-

- switch (CipherGetBlockSize (EAGetFirstCipher (ea)))

- {

- case 8:

- EncryptBufferLRW64 (buf,

- (unsigned __int64) nbrUnits * ENCRYPTION_DATA_UNIT_SIZE,

- DataUnit2LRWIndex (unitNo, 8, ci),

- ci);

- break;

-

- case 16:

- EncryptBufferLRW128 (buf,

- (unsigned __int64) nbrUnits * ENCRYPTION_DATA_UNIT_SIZE,

- DataUnit2LRWIndex (unitNo, 16, ci),

- ci);

- break;

-

- default:

- TC_THROW_FATAL_EXCEPTION;

- }

- break;

-

- case CBC:

- case INNER_CBC:

-

- /* Deprecated/legacy */

-

- while (nbrUnits--)

- {

- for (cipher = EAGetFirstCipher (ea); cipher != 0; cipher = EAGetNextCipher (ea, cipher))

- {

- InitSectorIVAndWhitening (unitNo, CipherGetBlockSize (cipher), sectorIV, iv64, secWhitening);

-

- EncryptBufferCBC ((unsigned __int32 *) buf,

- ENCRYPTION_DATA_UNIT_SIZE,

- ks,

- sectorIV,

- secWhitening,

- 0,

- cipher);

-

- ks += CipherGetKeyScheduleSize (cipher);

- }

- ks -= EAGetKeyScheduleSize (ea);

- buf += ENCRYPTION_DATA_UNIT_SIZE;

- unitNo++;

- }

- break;

-

- case OUTER_CBC:

-

- /* Deprecated/legacy */

-

- while (nbrUnits--)

- {

- InitSectorIVAndWhitening (unitNo, CipherGetBlockSize (EAGetFirstCipher (ea)), sectorIV, iv64, secWhitening);

-

- EncryptBufferCBC ((unsigned __int32 *) buf,

- ENCRYPTION_DATA_UNIT_SIZE,

- ks,

- sectorIV,

- secWhitening,

- ea,

- 0);

-

- buf += ENCRYPTION_DATA_UNIT_SIZE;

- unitNo++;

- }

- break;

-#endif // #ifndef TC_NO_COMPILER_INT64

-

-#ifndef TC_NO_COMPILER_INT64

- case LRW:

-

- /* Deprecated/legacy */

-

- switch (CipherGetBlockSize (EAGetFirstCipher (cryptoInfo->ea)))

- {

- case 8:

- DecryptBufferLRW64 (buf, (unsigned __int64) len, 1, cryptoInfo);

- break;

-

- case 16:

- DecryptBufferLRW128 (buf, (unsigned __int64) len, 1, cryptoInfo);

- break;

-

- default:

- TC_THROW_FATAL_EXCEPTION;

- }

- break;

-

- case CBC:

- case INNER_CBC:

- {

- /* Deprecated/legacy */

-

- unsigned __int8 *ks = cryptoInfo->ks + EAGetKeyScheduleSize (cryptoInfo->ea);

- int cipher;

- for (cipher = EAGetLastCipher (cryptoInfo->ea);

- cipher != 0;

- cipher = EAGetPreviousCipher (cryptoInfo->ea, cipher))

- {

- ks -= CipherGetKeyScheduleSize (cipher);

-

- DecryptBufferCBC ((unsigned __int32 *) buf,

- (unsigned int) len,

- ks,

- (unsigned __int32 *) cryptoInfo->k2,

- (unsigned __int32 *) &cryptoInfo->k2[8],

- 0,

- cipher);

- }

- }

- break;

-

- case OUTER_CBC:

-

- /* Deprecated/legacy */

-

- DecryptBufferCBC ((unsigned __int32 *) buf,

- (unsigned int) len,

- cryptoInfo->ks,

- (unsigned __int32 *) cryptoInfo->k2,

- (unsigned __int32 *) &cryptoInfo->k2[8],

- cryptoInfo->ea,

- 0);

-

- break;

-#endif // #ifndef TC_NO_COMPILER_INT64

-

-#ifndef TC_NO_COMPILER_INT64

- void *iv = ci->k2; // Deprecated/legacy

- unsigned __int64 unitNo = structUnitNo->Value;

- unsigned __int64 *iv64 = (unsigned __int64 *) iv; // Deprecated/legacy

- unsigned __int32 sectorIV[4]; // Deprecated/legacy

- unsigned __int32 secWhitening[2]; // Deprecated/legacy

-#endif // #ifndef TC_NO_COMPILER_INT64

-

-#ifndef TC_NO_COMPILER_INT64

- case LRW:

-

- /* Deprecated/legacy */

-

- switch (CipherGetBlockSize (EAGetFirstCipher (ea)))

- {

- case 8:

- DecryptBufferLRW64 (buf,

- (unsigned __int64) nbrUnits * ENCRYPTION_DATA_UNIT_SIZE,

- DataUnit2LRWIndex (unitNo, 8, ci),

- ci);

- break;

-

- case 16:

- DecryptBufferLRW128 (buf,

- (unsigned __int64) nbrUnits * ENCRYPTION_DATA_UNIT_SIZE,

- DataUnit2LRWIndex (unitNo, 16, ci),

- ci);

- break;

-

- default:

- TC_THROW_FATAL_EXCEPTION;

- }

- break;

-

- case CBC:

- case INNER_CBC:

-

- /* Deprecated/legacy */

-

- while (nbrUnits--)

- {

- ks += EAGetKeyScheduleSize (ea);

- for (cipher = EAGetLastCipher (ea); cipher != 0; cipher = EAGetPreviousCipher (ea, cipher))

- {

- InitSectorIVAndWhitening (unitNo, CipherGetBlockSize (cipher), sectorIV, iv64, secWhitening);

-

- ks -= CipherGetKeyScheduleSize (cipher);

-

- DecryptBufferCBC ((unsigned __int32 *) buf,

- ENCRYPTION_DATA_UNIT_SIZE,

- ks,

- sectorIV,

- secWhitening,

- 0,

- cipher);

- }

- buf += ENCRYPTION_DATA_UNIT_SIZE;

- unitNo++;

- }

- break;

-

- case OUTER_CBC:

-

- /* Deprecated/legacy */

-

- while (nbrUnits--)

- {

- InitSectorIVAndWhitening (unitNo, CipherGetBlockSize (EAGetFirstCipher (ea)), sectorIV, iv64, secWhitening);

-

- DecryptBufferCBC ((unsigned __int32 *) buf,

- ENCRYPTION_DATA_UNIT_SIZE,

- ks,

- sectorIV,

- secWhitening,

- ea,

- 0);

-

- buf += ENCRYPTION_DATA_UNIT_SIZE;

- unitNo++;

- }

- break;

-#endif // #ifndef TC_NO_COMPILER_INT64

-

-#ifndef TC_WINDOWS_BOOT

- size = max (size, LEGACY_VOL_IV_SIZE + EAGetLargestKeyForMode (LRW)); // Deprecated/legacy

- size = max (size, LEGACY_VOL_IV_SIZE + EAGetLargestKeyForMode (CBC)); // Deprecated/legacy

- size = max (size, LEGACY_VOL_IV_SIZE + EAGetLargestKeyForMode (OUTER_CBC)); // Deprecated/legacy

- size = max (size, LEGACY_VOL_IV_SIZE + EAGetLargestKeyForMode (INNER_CBC)); // Deprecated/legacy

-#endif

-