diff options
| -rw-r--r-- | src/Core/VolumeCreator.cpp | 63 |
1 files changed, 57 insertions, 6 deletions
diff --git a/src/Core/VolumeCreator.cpp b/src/Core/VolumeCreator.cpp index 94aba4bc..403e0c67 100644 --- a/src/Core/VolumeCreator.cpp +++ b/src/Core/VolumeCreator.cpp @@ -151,9 +151,37 @@ namespace VeraCrypt if (Options->Type == VolumeType::Normal) { - // Write random data to space reserved for hidden volume backup header - Core->RandomizeEncryptionAlgorithmKey (Options->EA); - Options->EA->Encrypt (backupHeader); + // Write fake random header to space reserved for hidden volume header + VolumeLayoutV2Hidden hiddenLayout; + shared_ptr <VolumeHeader> hiddenHeader (hiddenLayout.GetHeader()); + SecureBuffer hiddenHeaderBuffer (hiddenLayout.GetHeaderSize()); + + VolumeHeaderCreationOptions headerOptions; + headerOptions.EA = Options->EA; + headerOptions.Kdf = Options->VolumeHeaderKdf; + headerOptions.Type = VolumeType::Hidden; + + headerOptions.SectorSize = Options->SectorSize; + + headerOptions.VolumeDataStart = HostSize - hiddenLayout.GetHeaderSize() * 2 - Options->Size; + headerOptions.VolumeDataSize = hiddenLayout.GetMaxDataSize (Options->Size); + + // Master data key + SecureBuffer hiddenMasterKey(Options->EA->GetKeySize() * 2); + RandomNumberGenerator::GetData (hiddenMasterKey); + headerOptions.DataKey = hiddenMasterKey; + + // PKCS5 salt + SecureBuffer hiddenSalt (VolumeHeader::GetSaltSize()); + RandomNumberGenerator::GetData (hiddenSalt); + headerOptions.Salt = hiddenSalt; + + // Header key + SecureBuffer hiddenHeaderKey (VolumeHeader::GetLargestSerializedKeySize()); + RandomNumberGenerator::GetData (hiddenHeaderKey); + headerOptions.HeaderKey = hiddenHeaderKey; + + hiddenHeader->Create (backupHeader, headerOptions); VolumeFile->Write (backupHeader); } @@ -295,9 +323,32 @@ namespace VeraCrypt if (options->Type == VolumeType::Normal) { - // Write random data to space reserved for hidden volume header - Core->RandomizeEncryptionAlgorithmKey (options->EA); - options->EA->Encrypt (headerBuffer); + // Write fake random header to space reserved for hidden volume header + VolumeLayoutV2Hidden hiddenLayout; + shared_ptr <VolumeHeader> hiddenHeader (hiddenLayout.GetHeader()); + SecureBuffer hiddenHeaderBuffer (hiddenLayout.GetHeaderSize()); + + headerOptions.Type = VolumeType::Hidden; + + headerOptions.VolumeDataStart = HostSize - hiddenLayout.GetHeaderSize() * 2 - options->Size; + headerOptions.VolumeDataSize = hiddenLayout.GetMaxDataSize (options->Size); + + // Master data key + SecureBuffer hiddenMasterKey(options->EA->GetKeySize() * 2); + RandomNumberGenerator::GetData (hiddenMasterKey); + headerOptions.DataKey = hiddenMasterKey; + + // PKCS5 salt + SecureBuffer hiddenSalt (VolumeHeader::GetSaltSize()); + RandomNumberGenerator::GetData (hiddenSalt); + headerOptions.Salt = hiddenSalt; + + // Header key + SecureBuffer hiddenHeaderKey (VolumeHeader::GetLargestSerializedKeySize()); + RandomNumberGenerator::GetData (hiddenHeaderKey); + headerOptions.HeaderKey = hiddenHeaderKey; + + hiddenHeader->Create (headerBuffer, headerOptions); VolumeFile->Write (headerBuffer); } |