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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-05-31 18:44:53 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-11-08 23:18:59 +0100 |
| commit | 7ffce028d04a6b13ef762e2b89c34b688e8ca59d (patch) | |
| tree | eefedb6e94de5b26fa963675969490c641c29077 /src/Volume/EncryptionModeLRW.h | |
| parent | 97011f179cfd3dcd12446ef4ccb6964c8e52c3db (diff) | |
| download | VeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.tar.gz VeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.zip | |
Add TrueCrypt 7.1a MacOSX/Linux specific source files.
Diffstat (limited to 'src/Volume/EncryptionModeLRW.h')
| -rw-r--r-- | src/Volume/EncryptionModeLRW.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/Volume/EncryptionModeLRW.h b/src/Volume/EncryptionModeLRW.h new file mode 100644 index 00000000..97a8528d --- /dev/null +++ b/src/Volume/EncryptionModeLRW.h @@ -0,0 +1,50 @@ +/* + 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. +*/ + +#ifndef TC_HEADER_Encryption_EncryptionModeLRW +#define TC_HEADER_Encryption_EncryptionModeLRW + +#include "Platform/Platform.h" +#include "EncryptionMode.h" + +namespace TrueCrypt +{ + class EncryptionModeLRW : public EncryptionMode + { + public: + EncryptionModeLRW () { } + virtual ~EncryptionModeLRW () { } + + virtual void Decrypt (byte *data, uint64 length) const; + virtual void DecryptSectorsCurrentThread (byte *data, uint64 sectorIndex, uint64 sectorCount, size_t sectorSize) const; + virtual void Encrypt (byte *data, uint64 length) const; + virtual void EncryptSectorsCurrentThread (byte *data, uint64 sectorIndex, uint64 sectorCount, size_t sectorSize) const; + virtual const SecureBuffer &GetKey () const { return Key; } + virtual size_t GetKeySize () const { return 16; }; + virtual wstring GetName () const { return L"LRW"; }; + virtual shared_ptr <EncryptionMode> GetNew () const { return shared_ptr <EncryptionMode> (new EncryptionModeLRW); } + virtual void SetKey (const ConstBufferPtr &key); + + protected: + void DecryptBuffer (byte *plainText, uint64 length, uint64 blockIndex) const; + void EncryptBuffer (byte *plainText, uint64 length, uint64 blockIndex) const; + void IncrementBlockIndex (byte *index) const; + uint64 SectorToBlockIndex (uint64 sectorIndex) const; + void Xor64 (uint64 *a, const uint64 *b) const; + void Xor128 (uint64 *a, const uint64 *b) const; + + SecureBuffer GfContext; + SecureBuffer Key; + + private: + EncryptionModeLRW (const EncryptionModeLRW &); + EncryptionModeLRW &operator= (const EncryptionModeLRW &); + }; +} + +#endif // TC_HEADER_Encryption_EncryptionModeLRW |