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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2014-05-31 16:44:53 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2014-11-08 22:18:59 (GMT)
commit7ffce028d04a6b13ef762e2b89c34b688e8ca59d (patch)
treeeefedb6e94de5b26fa963675969490c641c29077 /src/Volume/EncryptionMode.cpp
parent97011f179cfd3dcd12446ef4ccb6964c8e52c3db (diff)
downloadVeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.zip
VeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.tar.gz
Add TrueCrypt 7.1a MacOSX/Linux specific source files.
Diffstat (limited to 'src/Volume/EncryptionMode.cpp')
-rw-r--r--src/Volume/EncryptionMode.cpp63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/Volume/EncryptionMode.cpp b/src/Volume/EncryptionMode.cpp
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+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include "EncryptionMode.h"
+#include "EncryptionModeCBC.h"
+#include "EncryptionModeLRW.h"
+#include "EncryptionModeXTS.h"
+#include "EncryptionThreadPool.h"
+
+namespace TrueCrypt
+{
+ EncryptionMode::EncryptionMode () : KeySet (false), SectorOffset (0)
+ {
+ }
+
+ EncryptionMode::~EncryptionMode ()
+ {
+ }
+
+ void EncryptionMode::DecryptSectors (byte *data, uint64 sectorIndex, uint64 sectorCount, size_t sectorSize) const
+ {
+ EncryptionThreadPool::DoWork (EncryptionThreadPool::WorkType::DecryptDataUnits, this, data, sectorIndex, sectorCount, sectorSize);
+ }
+
+ void EncryptionMode::EncryptSectors (byte *data, uint64 sectorIndex, uint64 sectorCount, size_t sectorSize) const
+ {
+ EncryptionThreadPool::DoWork (EncryptionThreadPool::WorkType::EncryptDataUnits, this, data, sectorIndex, sectorCount, sectorSize);
+ }
+
+ EncryptionModeList EncryptionMode::GetAvailableModes ()
+ {
+ EncryptionModeList l;
+
+ l.push_back (shared_ptr <EncryptionMode> (new EncryptionModeXTS ()));
+ l.push_back (shared_ptr <EncryptionMode> (new EncryptionModeLRW ()));
+ l.push_back (shared_ptr <EncryptionMode> (new EncryptionModeCBC ()));
+
+ return l;
+ }
+
+ void EncryptionMode::ValidateState () const
+ {
+ if (!KeySet || Ciphers.size() < 1)
+ throw NotInitialized (SRC_POS);
+ }
+
+ void EncryptionMode::ValidateParameters (byte *data, uint64 length) const
+ {
+ if ((Ciphers.size() > 0 && (length % Ciphers.front()->GetBlockSize()) != 0))
+ throw ParameterIncorrect (SRC_POS);
+ }
+
+ void EncryptionMode::ValidateParameters (byte *data, uint64 sectorCount, size_t sectorSize) const
+ {
+ if (sectorCount == 0 || sectorSize == 0 || (sectorSize % EncryptionDataUnitSize) != 0)
+ throw ParameterIncorrect (SRC_POS);
+ }
+}