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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-08-09 09:54:00 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2016-08-15 01:09:10 +0200 |
| commit | 0b2c8b09c6eb3ddce22fa88c34a640881f8f2177 (patch) | |
| tree | 9985d4c18308f1e052fea3a6a3a05b45df80cb55 /src/Common/Crypto.c | |
| parent | 460f552a4173f8d798f52c2ad82c06a240094b17 (diff) | |
| download | VeraCrypt-0b2c8b09c6eb3ddce22fa88c34a640881f8f2177.tar.gz VeraCrypt-0b2c8b09c6eb3ddce22fa88c34a640881f8f2177.zip | |
Windows: Add Magma cipher (GOST-89)
Diffstat (limited to 'src/Common/Crypto.c')
| -rw-r--r-- | src/Common/Crypto.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/Common/Crypto.c b/src/Common/Crypto.c index dea4ff02..16115bf6 100644 --- a/src/Common/Crypto.c +++ b/src/Common/Crypto.c @@ -23,6 +23,7 @@ #include "Volumes.h" #include "cpu.h" +#pragma warning (disable:4706) // assignment within conditional expression /* Update the following when adding a new cipher or EA: Crypto.h: @@ -54,6 +55,9 @@ static Cipher Ciphers[] = { SERPENT, L"Serpent", 16, 32, 140*4 }, { TWOFISH, L"Twofish", 16, 32, TWOFISH_KS }, { CAMELLIA, L"Camellia", 16, 32, CAMELLIA_KS }, +#if defined(CIPHER_GOST89) + { GOST89, L"GOST89", 16, 32, GOST_KS }, +#endif // defined(CIPHER_GOST89) #endif { 0, 0, 0, 0, 0 } }; @@ -71,6 +75,9 @@ static EncryptionAlgorithm EncryptionAlgorithms[] = { { SERPENT, 0 }, { XTS, 0 }, 1 }, { { TWOFISH, 0 }, { XTS, 0 }, 1 }, { { CAMELLIA, 0 }, { XTS, 0 }, 1 }, +#if defined(CIPHER_GOST89) + { { GOST89, 0 }, { XTS, 0 }, 1 }, +#endif // defined(CIPHER_GOST89) { { TWOFISH, AES, 0 }, { XTS, 0 }, 1 }, { { SERPENT, TWOFISH, AES, 0 }, { XTS, 0 }, 1 }, { { AES, SERPENT, 0 }, { XTS, 0 }, 1 }, @@ -143,6 +150,14 @@ int CipherInit (int cipher, unsigned char *key, unsigned __int8 *ks) break; #endif +#if !defined(TC_WINDOWS_BOOT) +#if defined(CIPHER_GOST89) + case GOST89: + gost_set_key(key, (gost_kds*)ks); + break; +#endif // && defined(CIPHER_GOST89) +#endif // !defined(TC_WINDOWS_BOOT) + default: // Unknown/wrong cipher ID return ERR_CIPHER_INIT_FAILURE; @@ -170,6 +185,11 @@ void EncipherBlock(int cipher, void *data, void *ks) #if !defined (TC_WINDOWS_BOOT) || defined (TC_WINDOWS_BOOT_CAMELLIA) case CAMELLIA: camellia_encrypt (data, data, ks); break; #endif +#if !defined(TC_WINDOWS_BOOT) +#if defined(CIPHER_GOST89) + case GOST89: gost_encrypt(data, data, ks, 1); break; +#endif // defined(CIPHER_GOST89) +#endif // !defined(TC_WINDOWS_BOOT) default: TC_THROW_FATAL_EXCEPTION; // Unknown/wrong ID } } @@ -203,6 +223,9 @@ void EncipherBlocks (int cipher, void *dataPtr, void *ks, size_t blockCount) KeRestoreFloatingPointState (&floatingPointState); #endif } + else if (cipher == GOST89) { + gost_encrypt(data, data, ks, (int)blockCount); + } else { size_t blockSize = CipherGetBlockSize (cipher); @@ -225,6 +248,13 @@ void DecipherBlock(int cipher, void *data, void *ks) #if !defined (TC_WINDOWS_BOOT) || defined (TC_WINDOWS_BOOT_CAMELLIA) case CAMELLIA: camellia_decrypt (data, data, ks); break; #endif +#if !defined(TC_WINDOWS_BOOT) +#if defined(CIPHER_GOST89) + case GOST89: gost_decrypt(data, data, ks, 1); break; +#endif // defined(CIPHER_GOST89) +#endif // !defined(TC_WINDOWS_BOOT) + + #ifndef TC_WINDOWS_BOOT case AES: @@ -272,6 +302,9 @@ void DecipherBlocks (int cipher, void *dataPtr, void *ks, size_t blockCount) KeRestoreFloatingPointState (&floatingPointState); #endif } + else if (cipher == GOST89) { + gost_decrypt(data, data, ks, (int)blockCount); + } else { size_t blockSize = CipherGetBlockSize (cipher); @@ -340,7 +373,8 @@ int CipherGetKeyScheduleSize (int cipherId) BOOL CipherSupportsIntraDataUnitParallelization (int cipher) { - return cipher == AES && IsAesHwCpuSupported(); + return cipher == AES && IsAesHwCpuSupported() || + cipher == GOST89; } #endif |