diff options
Diffstat (limited to 'Common/Xts.h')
-rw-r--r-- | Common/Xts.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Common/Xts.h b/Common/Xts.h new file mode 100644 index 0000000..c6f173d --- /dev/null +++ b/Common/Xts.h @@ -0,0 +1,80 @@ +/* + Copyright (c) 2008-2010 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 XTS_H +#define XTS_H + +// Header files (optional) + +#include "Tcdefs.h" +#include "Common/Endian.h" +#include "Crypto.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Macros + +#ifndef LITTLE_ENDIAN +# define LITTLE_ENDIAN 1 +#endif + +#ifndef BIG_ENDIAN +# define BIG_ENDIAN 2 +#endif + +#ifndef BYTE_ORDER +# define BYTE_ORDER LITTLE_ENDIAN +#endif + +#ifndef LE64 +# if BYTE_ORDER == LITTLE_ENDIAN +# define LE64(x) (x) +# endif +#endif + +// Custom data types + +#ifndef TC_LARGEST_COMPILER_UINT +# ifdef TC_NO_COMPILER_INT64 + typedef unsigned __int32 TC_LARGEST_COMPILER_UINT; +# else + typedef unsigned __int64 TC_LARGEST_COMPILER_UINT; +# endif +#endif + +#ifndef TCDEFS_H +typedef union +{ + struct + { + unsigned __int32 LowPart; + unsigned __int32 HighPart; + }; +# ifndef TC_NO_COMPILER_INT64 + unsigned __int64 Value; +# endif + +} UINT64_STRUCT; +#endif + +// Public function prototypes + +void EncryptBufferXTS (unsigned __int8 *buffer, TC_LARGEST_COMPILER_UINT length, const UINT64_STRUCT *startDataUnitNo, unsigned int startCipherBlockNo, unsigned __int8 *ks, unsigned __int8 *ks2, int cipher); +static void EncryptBufferXTSParallel (unsigned __int8 *buffer, TC_LARGEST_COMPILER_UINT length, const UINT64_STRUCT *startDataUnitNo, unsigned int startCipherBlockNo, unsigned __int8 *ks, unsigned __int8 *ks2, int cipher); +static void EncryptBufferXTSNonParallel (unsigned __int8 *buffer, TC_LARGEST_COMPILER_UINT length, const UINT64_STRUCT *startDataUnitNo, unsigned int startCipherBlockNo, unsigned __int8 *ks, unsigned __int8 *ks2, int cipher); +void DecryptBufferXTS (unsigned __int8 *buffer, TC_LARGEST_COMPILER_UINT length, const UINT64_STRUCT *startDataUnitNo, unsigned int startCipherBlockNo, unsigned __int8 *ks, unsigned __int8 *ks2, int cipher); +static void DecryptBufferXTSParallel (unsigned __int8 *buffer, TC_LARGEST_COMPILER_UINT length, const UINT64_STRUCT *startDataUnitNo, unsigned int startCipherBlockNo, unsigned __int8 *ks, unsigned __int8 *ks2, int cipher); +static void DecryptBufferXTSNonParallel (unsigned __int8 *buffer, TC_LARGEST_COMPILER_UINT length, const UINT64_STRUCT *startDataUnitNo, unsigned int startCipherBlockNo, unsigned __int8 *ks, unsigned __int8 *ks2, int cipher); + +#ifdef __cplusplus +} +#endif + +#endif // #ifndef XTS_H |