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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2023-08-13 22:50:37 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2023-08-13 22:50:37 +0200 |
| commit | f84d235cf17a92bb51031833da502660d364013f (patch) | |
| tree | 4fd5284f0b5f83d6f7ba9d3d8f5e2700f904ca39 /src/Driver/Ntdriver.c | |
| parent | 8c7962bda7ea260049226fe99a351675fd0780a2 (diff) | |
| download | VeraCrypt-f84d235cf17a92bb51031833da502660d364013f.tar.gz VeraCrypt-f84d235cf17a92bb51031833da502660d364013f.zip | |
Windows: Implement support for mounting partially encrypted system partitions
For now, we force ReadOnly mounting for such partitions.
Diffstat (limited to 'src/Driver/Ntdriver.c')
| -rw-r--r-- | src/Driver/Ntdriver.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/Driver/Ntdriver.c b/src/Driver/Ntdriver.c index 7f00c9e0..b19ffb77 100644 --- a/src/Driver/Ntdriver.c +++ b/src/Driver/Ntdriver.c @@ -3156,6 +3156,21 @@ VOID VolumeThreadProc (PVOID Context) Extension->Queue.HostFileHandle = Extension->hDeviceFile; Extension->Queue.VirtualDeviceLength = Extension->DiskLength; Extension->Queue.MaxReadAheadOffset.QuadPart = Extension->HostLength; + if (bDevice && pThreadBlock->mount->bPartitionInInactiveSysEncScope + && (!Extension->cryptoInfo->hiddenVolume) + && (Extension->cryptoInfo->EncryptedAreaLength.Value != Extension->cryptoInfo->VolumeSize.Value) + ) + { + // Support partial encryption only in the case of system encryption + Extension->Queue.EncryptedAreaStart = 0; + Extension->Queue.EncryptedAreaEnd = Extension->cryptoInfo->EncryptedAreaLength.Value - 1; + if (Extension->Queue.CryptoInfo->EncryptedAreaLength.Value == 0) + { + Extension->Queue.EncryptedAreaStart = -1; + Extension->Queue.EncryptedAreaEnd = -1; + } + Extension->Queue.bSupportPartialEncryption = TRUE; + } if (Extension->SecurityClientContextValid) Extension->Queue.SecurityClientContext = &Extension->SecurityClientContext; |