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Add TrueCrypt 7.1a MacOSX/Linux specific source files.
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63
src/Volume/EncryptionMode.cpp
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63
src/Volume/EncryptionMode.cpp
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/*
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Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
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Governed by the TrueCrypt License 3.0 the full text of which is contained in
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the file License.txt included in TrueCrypt binary and source code distribution
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packages.
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*/
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#include "EncryptionMode.h"
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#include "EncryptionModeCBC.h"
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#include "EncryptionModeLRW.h"
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#include "EncryptionModeXTS.h"
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#include "EncryptionThreadPool.h"
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namespace TrueCrypt
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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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l.push_back (shared_ptr <EncryptionMode> (new EncryptionModeLRW ()));
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l.push_back (shared_ptr <EncryptionMode> (new EncryptionModeCBC ()));
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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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