diff options
| -rw-r--r-- | src/Common/Volumes.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/src/Common/Volumes.c b/src/Common/Volumes.c index ef00728b..1c0f2485 100644 --- a/src/Common/Volumes.c +++ b/src/Common/Volumes.c @@ -550,12 +550,10 @@ ret: int ReadVolumeHeader (BOOL bBoot, char *header, Password *password, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo)
{
#ifdef TC_WINDOWS_BOOT_SINGLE_CIPHER_MODE
char dk[32 * 2]; // 2 * 256-bit key
- char masterKey[32 * 2];
#else
char dk[32 * 2 * 3]; // 6 * 256-bit key
- char masterKey[32 * 2 * 3];
#endif
PCRYPTO_INFO cryptoInfo;
int status = ERR_SUCCESS;
@@ -651,42 +649,42 @@ int ReadVolumeHeader (BOOL bBoot, char *header, Password *password, PCRYPTO_INFO #else
cryptoInfo->pkcs5 = RIPEMD160;
#endif
- memcpy (masterKey, header + HEADER_MASTER_KEYDATA_OFFSET, sizeof (masterKey));
+ memcpy (dk, header + HEADER_MASTER_KEYDATA_OFFSET, sizeof (dk));
EncryptBuffer (header + HEADER_ENCRYPTED_DATA_OFFSET, HEADER_ENCRYPTED_DATA_SIZE, cryptoInfo);
if (retHeaderCryptoInfo)
goto ret;
// Init the encryption algorithm with the decrypted master key
#ifdef TC_WINDOWS_BOOT_SINGLE_CIPHER_MODE
#if defined (TC_WINDOWS_BOOT_SERPENT)
- serpent_set_key (masterKey, cryptoInfo->ks);
+ serpent_set_key (dk, cryptoInfo->ks);
#elif defined (TC_WINDOWS_BOOT_TWOFISH)
- twofish_set_key ((TwofishInstance *) cryptoInfo->ks, (const u4byte *) masterKey);
+ twofish_set_key ((TwofishInstance *) cryptoInfo->ks, (const u4byte *) dk);
#else
- status = EAInit (masterKey, cryptoInfo->ks);
+ status = EAInit (dk, cryptoInfo->ks);
if (status == ERR_CIPHER_INIT_FAILURE)
goto err;
#endif
#else
- status = EAInit (cryptoInfo->ea, masterKey, cryptoInfo->ks);
+ status = EAInit (cryptoInfo->ea, dk, cryptoInfo->ks);
if (status == ERR_CIPHER_INIT_FAILURE)
goto err;
#endif
// The secondary master key (if cascade, multiple concatenated)
#ifdef TC_WINDOWS_BOOT_SINGLE_CIPHER_MODE
#if defined (TC_WINDOWS_BOOT_SERPENT)
- serpent_set_key (masterKey + 32, cryptoInfo->ks2);
+ serpent_set_key (dk + 32, cryptoInfo->ks2);
#elif defined (TC_WINDOWS_BOOT_TWOFISH)
- twofish_set_key ((TwofishInstance *)cryptoInfo->ks2, (const u4byte *) (masterKey + 32));
+ twofish_set_key ((TwofishInstance *)cryptoInfo->ks2, (const u4byte *) (dk + 32));
#else
- EAInit (masterKey + 32, cryptoInfo->ks2);
+ EAInit (dk + 32, cryptoInfo->ks2);
#endif
#else
- EAInit (cryptoInfo->ea, masterKey + EAGetKeySize (cryptoInfo->ea), cryptoInfo->ks2);
+ EAInit (cryptoInfo->ea, dk + EAGetKeySize (cryptoInfo->ea), cryptoInfo->ks2);
#endif
goto ret;
}
@@ -700,9 +698,8 @@ err: }
ret:
burn (dk, sizeof(dk));
- burn (masterKey, sizeof(masterKey));
return status;
}
#endif // TC_WINDOWS_BOOT
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