diff options
| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2015-05-26 01:36:20 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2015-05-26 01:38:15 +0200 |
| commit | 8ebf5ac605d57eab80b600a7827d2ba48668d887 (patch) | |
| tree | 6159a4d45fd79b15746b44ee986ddedb923ab91d /src/Common/Volumes.c | |
| parent | 85e5e383f9b879736d7a793a5dc0f9bce20b8383 (diff) | |
| download | VeraCrypt-8ebf5ac605d57eab80b600a7827d2ba48668d887.tar.gz VeraCrypt-8ebf5ac605d57eab80b600a7827d2ba48668d887.zip | |
Windows: first implementation of dynamic mode
Diffstat (limited to 'src/Common/Volumes.c')
| -rw-r--r-- | src/Common/Volumes.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/Common/Volumes.c b/src/Common/Volumes.c index 73598c64..567df7ee 100644 --- a/src/Common/Volumes.c +++ b/src/Common/Volumes.c @@ -163,7 +163,7 @@ typedef struct BOOL ReadVolumeHeaderRecoveryMode = FALSE;
-int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int selected_pkcs5_prf, BOOL truecryptMode, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo)
+int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int selected_pkcs5_prf, int pin, BOOL truecryptMode, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo)
{
char header[TC_VOLUME_HEADER_EFFECTIVE_SIZE];
KEY_INFO keyInfo;
@@ -274,7 +274,7 @@ int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int EncryptionThreadPoolBeginKeyDerivation (&keyDerivationCompletedEvent, &noOutstandingWorkItemEvent,
&item->KeyReady, &outstandingWorkItemCount, enqPkcs5Prf, keyInfo.userKey,
- keyInfo.keyLength, keyInfo.salt, get_pkcs5_iteration_count (enqPkcs5Prf, truecryptMode, bBoot), item->DerivedKey);
+ keyInfo.keyLength, keyInfo.salt, get_pkcs5_iteration_count (enqPkcs5Prf, pin, truecryptMode, bBoot), item->DerivedKey);
++queuedWorkItems;
break;
@@ -296,7 +296,7 @@ int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int if (!item->Free && InterlockedExchangeAdd (&item->KeyReady, 0) == TRUE)
{
pkcs5_prf = item->Pkcs5Prf;
- keyInfo.noIterations = get_pkcs5_iteration_count (pkcs5_prf, truecryptMode, bBoot);
+ keyInfo.noIterations = get_pkcs5_iteration_count (pkcs5_prf, pin, truecryptMode, bBoot);
memcpy (dk, item->DerivedKey, sizeof (dk));
item->Free = TRUE;
@@ -314,7 +314,7 @@ KeyReady: ; else
{
pkcs5_prf = enqPkcs5Prf;
- keyInfo.noIterations = get_pkcs5_iteration_count (enqPkcs5Prf, truecryptMode, bBoot);
+ keyInfo.noIterations = get_pkcs5_iteration_count (enqPkcs5Prf, pin, truecryptMode, bBoot);
switch (pkcs5_prf)
{
@@ -578,7 +578,7 @@ ret: #else // TC_WINDOWS_BOOT
-int ReadVolumeHeader (BOOL bBoot, char *header, Password *password, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo)
+int ReadVolumeHeader (BOOL bBoot, char *header, Password *password, int pin, PCRYPTO_INFO *retInfo, CRYPTO_INFO *retHeaderCryptoInfo)
{
#ifdef TC_WINDOWS_BOOT_SINGLE_CIPHER_MODE
char dk[32 * 2]; // 2 * 256-bit key
@@ -588,6 +588,9 @@ int ReadVolumeHeader (BOOL bBoot, char *header, Password *password, PCRYPTO_INFO PCRYPTO_INFO cryptoInfo;
int status = ERR_SUCCESS;
+ uint32 iterations = pin;
+ iterations <<= 16;
+ iterations |= bBoot;
if (retHeaderCryptoInfo != NULL)
cryptoInfo = retHeaderCryptoInfo;
@@ -597,10 +600,10 @@ int ReadVolumeHeader (BOOL bBoot, char *header, Password *password, PCRYPTO_INFO // PKCS5 PRF
#ifdef TC_WINDOWS_BOOT_SHA2
derive_key_sha256 (password->Text, (int) password->Length, header + HEADER_SALT_OFFSET,
- PKCS5_SALT_SIZE, bBoot, dk, sizeof (dk));
+ PKCS5_SALT_SIZE, iterations, dk, sizeof (dk));
#else
derive_key_ripemd160 (password->Text, (int) password->Length, header + HEADER_SALT_OFFSET,
- PKCS5_SALT_SIZE, bBoot, dk, sizeof (dk));
+ PKCS5_SALT_SIZE, iterations, dk, sizeof (dk));
#endif
// Mode of operation
@@ -745,7 +748,7 @@ ret: // Creates a volume header in memory
int CreateVolumeHeaderInMemory (HWND hwndDlg, BOOL bBoot, char *header, int ea, int mode, Password *password,
- int pkcs5_prf, char *masterKeydata, PCRYPTO_INFO *retInfo,
+ int pkcs5_prf, int pin, 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)
{
@@ -794,7 +797,7 @@ int CreateVolumeHeaderInMemory (HWND hwndDlg, BOOL bBoot, char *header, int ea, // User key
memcpy (keyInfo.userKey, password->Text, nUserKeyLen);
keyInfo.keyLength = nUserKeyLen;
- keyInfo.noIterations = get_pkcs5_iteration_count (pkcs5_prf, FALSE, bBoot);
+ keyInfo.noIterations = get_pkcs5_iteration_count (pkcs5_prf, pin, FALSE, bBoot);
// User selected encryption algorithm
cryptoInfo->ea = ea;
|