diff options
| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2021-07-14 23:57:00 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2021-07-14 23:59:42 +0200 |
| commit | fdf7888ab3675a267e06e2f3acceeedfa5b74f62 (patch) | |
| tree | 404688a37640daaa4f0d80c12cb3db5b7b7039d6 /src/Common/Volumes.c | |
| parent | b98606e390397185ada26019d538906a7b008639 (diff) | |
| download | VeraCrypt-fdf7888ab3675a267e06e2f3acceeedfa5b74f62.tar.gz VeraCrypt-fdf7888ab3675a267e06e2f3acceeedfa5b74f62.zip | |
Windows: Reduce time of mount with PRF auto-detection
Diffstat (limited to 'src/Common/Volumes.c')
| -rw-r--r-- | src/Common/Volumes.c | 68 |
1 files changed, 44 insertions, 24 deletions
diff --git a/src/Common/Volumes.c b/src/Common/Volumes.c index d3001a94..37fa481c 100644 --- a/src/Common/Volumes.c +++ b/src/Common/Volumes.c @@ -179,12 +179,12 @@ int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int int primaryKeyOffset; int pkcs5PrfCount = LAST_PRF_ID - FIRST_PRF_ID + 1; #if !defined(_UEFI) - TC_EVENT keyDerivationCompletedEvent; - TC_EVENT noOutstandingWorkItemEvent; + TC_EVENT *keyDerivationCompletedEvent = NULL; + TC_EVENT *noOutstandingWorkItemEvent = NULL; KeyDerivationWorkItem *keyDerivationWorkItems = NULL; KeyDerivationWorkItem *item; size_t encryptionThreadCount = GetEncryptionThreadCount(); - LONG outstandingWorkItemCount = 0; + LONG *outstandingWorkItemCount = NULL; int i; #endif size_t queuedWorkItems = 0; @@ -218,29 +218,60 @@ int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int /* use thread pool only if no PRF was specified */ if ((selected_pkcs5_prf == 0) && (encryptionThreadCount > 1)) { + keyDerivationCompletedEvent = TCalloc (sizeof (TC_EVENT)); + if (!keyDerivationCompletedEvent) + return ERR_OUTOFMEMORY; + + noOutstandingWorkItemEvent = TCalloc (sizeof (TC_EVENT)); + if (!noOutstandingWorkItemEvent) + { + TCfree(keyDerivationCompletedEvent); + return ERR_OUTOFMEMORY; + } + + outstandingWorkItemCount = TCalloc (sizeof (LONG)); + if (!outstandingWorkItemCount) + { + TCfree(keyDerivationCompletedEvent); + TCfree(noOutstandingWorkItemEvent); + return ERR_OUTOFMEMORY; + } + keyDerivationWorkItems = TCalloc (sizeof (KeyDerivationWorkItem) * pkcs5PrfCount); if (!keyDerivationWorkItems) + { + TCfree(keyDerivationCompletedEvent); + TCfree(noOutstandingWorkItemEvent); + TCfree(outstandingWorkItemCount); return ERR_OUTOFMEMORY; + } for (i = 0; i < pkcs5PrfCount; ++i) keyDerivationWorkItems[i].Free = TRUE; + *outstandingWorkItemCount = 0; #ifdef DEVICE_DRIVER - KeInitializeEvent (&keyDerivationCompletedEvent, SynchronizationEvent, FALSE); - KeInitializeEvent (&noOutstandingWorkItemEvent, SynchronizationEvent, TRUE); + KeInitializeEvent (keyDerivationCompletedEvent, SynchronizationEvent, FALSE); + KeInitializeEvent (noOutstandingWorkItemEvent, SynchronizationEvent, TRUE); #else - keyDerivationCompletedEvent = CreateEvent (NULL, FALSE, FALSE, NULL); - if (!keyDerivationCompletedEvent) + *keyDerivationCompletedEvent = CreateEvent (NULL, FALSE, FALSE, NULL); + if (!*keyDerivationCompletedEvent) { TCfree (keyDerivationWorkItems); + TCfree(keyDerivationCompletedEvent); + TCfree(noOutstandingWorkItemEvent); + TCfree(outstandingWorkItemCount); return ERR_OUTOFMEMORY; } - noOutstandingWorkItemEvent = CreateEvent (NULL, FALSE, TRUE, NULL); - if (!noOutstandingWorkItemEvent) + *noOutstandingWorkItemEvent = CreateEvent (NULL, FALSE, TRUE, NULL); + if (!*noOutstandingWorkItemEvent) { CloseHandle (keyDerivationCompletedEvent); TCfree (keyDerivationWorkItems); + TCfree(keyDerivationCompletedEvent); + TCfree(noOutstandingWorkItemEvent); + TCfree(outstandingWorkItemCount); return ERR_OUTOFMEMORY; } #endif @@ -283,8 +314,8 @@ int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int item->KeyReady = FALSE; item->Pkcs5Prf = enqPkcs5Prf; - EncryptionThreadPoolBeginKeyDerivation (&keyDerivationCompletedEvent, &noOutstandingWorkItemEvent, - &item->KeyReady, &outstandingWorkItemCount, enqPkcs5Prf, keyInfo.userKey, + EncryptionThreadPoolBeginKeyDerivation (keyDerivationCompletedEvent, noOutstandingWorkItemEvent, + &item->KeyReady, outstandingWorkItemCount, enqPkcs5Prf, keyInfo.userKey, keyInfo.keyLength, keyInfo.salt, get_pkcs5_iteration_count (enqPkcs5Prf, pim, truecryptMode, bBoot), item->DerivedKey); ++queuedWorkItems; @@ -317,7 +348,7 @@ int ReadVolumeHeader (BOOL bBoot, char *encryptedHeader, Password *password, int } if (queuedWorkItems > 0) - TC_WAIT_EVENT (keyDerivationCompletedEvent); + TC_WAIT_EVENT (*keyDerivationCompletedEvent); } continue; KeyReady: ; @@ -587,18 +618,7 @@ ret: #if !defined(_UEFI) if ((selected_pkcs5_prf == 0) && (encryptionThreadCount > 1)) { - TC_WAIT_EVENT (noOutstandingWorkItemEvent); - - if (keyDerivationWorkItems) - { - burn (keyDerivationWorkItems, sizeof (KeyDerivationWorkItem) * pkcs5PrfCount); - TCfree (keyDerivationWorkItems); - } - -#if !defined(DEVICE_DRIVER) - CloseHandle (keyDerivationCompletedEvent); - CloseHandle (noOutstandingWorkItemEvent); -#endif + EncryptionThreadPoolBeginReadVolumeHeaderFinalization (keyDerivationCompletedEvent, noOutstandingWorkItemEvent, outstandingWorkItemCount, keyDerivationWorkItems, sizeof (KeyDerivationWorkItem) * pkcs5PrfCount); } #endif return status; |