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64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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Derived from source code of TrueCrypt 7.1a, which is
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Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
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by the TrueCrypt License 3.0.
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Modifications and additions to the original source code (contained in this file)
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and all other portions of this file are Copyright (c) 2013-2017 IDRIX
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and are governed by the Apache License 2.0 the full text of which is
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contained in the file License.txt included in VeraCrypt binary and source
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code distribution packages.
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*/
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#include "EncryptionMode.h"
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#include "EncryptionModeXTS.h"
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#include "EncryptionThreadPool.h"
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namespace VeraCrypt
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{
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EncryptionMode::EncryptionMode () : KeySet (false), SectorOffset (0)
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{
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}
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EncryptionMode::~EncryptionMode ()
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{
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}
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void EncryptionMode::DecryptSectors (byte *data, uint64 sectorIndex, uint64 sectorCount, size_t sectorSize) const
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{
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EncryptionThreadPool::DoWork (EncryptionThreadPool::WorkType::DecryptDataUnits, this, data, sectorIndex, sectorCount, sectorSize);
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}
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void EncryptionMode::EncryptSectors (byte *data, uint64 sectorIndex, uint64 sectorCount, size_t sectorSize) const
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{
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EncryptionThreadPool::DoWork (EncryptionThreadPool::WorkType::EncryptDataUnits, this, data, sectorIndex, sectorCount, sectorSize);
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}
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EncryptionModeList EncryptionMode::GetAvailableModes ()
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{
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EncryptionModeList l;
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l.push_back (shared_ptr <EncryptionMode> (new EncryptionModeXTS ()));
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return l;
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}
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void EncryptionMode::ValidateState () const
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{
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if (!KeySet || Ciphers.size() < 1)
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throw NotInitialized (SRC_POS);
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}
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void EncryptionMode::ValidateParameters (byte *data, uint64 length) const
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{
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if ((Ciphers.size() > 0 && (length % Ciphers.front()->GetBlockSize()) != 0))
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throw ParameterIncorrect (SRC_POS);
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}
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void EncryptionMode::ValidateParameters (byte *data, uint64 sectorCount, size_t sectorSize) const
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{
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if (sectorCount == 0 || sectorSize == 0 || (sectorSize % EncryptionDataUnitSize) != 0)
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throw ParameterIncorrect (SRC_POS);
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}
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}
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