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Xts.h
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Xts.h
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/*
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