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Annotation of truecrypt/common/xts.h, revision 1.1.1.3

1.1       root        1: /*
                      2:  Copyright (c) 2008 TrueCrypt Foundation. All rights reserved.
                      3: 
1.1.1.3 ! root        4:  Governed by the TrueCrypt License 2.5 the full text of which is contained
1.1       root        5:  in the file License.txt included in TrueCrypt binary and source code
                      6:  distribution packages.
                      7: */
                      8: 
                      9: #ifndef XTS_H
                     10: #define XTS_H
                     11: 
                     12: // Header files (optional)
                     13: 
                     14: #include "Tcdefs.h"
                     15: #include "Common/Endian.h"
                     16: #include "Crypto.h"
                     17: 
1.1.1.2   root       18: #ifdef __cplusplus
                     19: extern "C" {
                     20: #endif
                     21: 
1.1       root       22: // Macros
                     23: 
                     24: #ifndef LITTLE_ENDIAN
                     25: #      define LITTLE_ENDIAN    1
                     26: #endif
                     27: 
                     28: #ifndef BIG_ENDIAN
                     29: #      define BIG_ENDIAN               2
                     30: #endif
                     31: 
                     32: #ifndef BYTE_ORDER
                     33: #      define BYTE_ORDER               LITTLE_ENDIAN
                     34: #endif
                     35: 
                     36: #ifndef LE64
                     37: #      if BYTE_ORDER == LITTLE_ENDIAN
                     38: #              define LE64(x)  (x)
                     39: #      endif
                     40: #endif
                     41: 
                     42: // Custom data types
                     43: 
                     44: #ifndef TC_LARGEST_COMPILER_UINT
                     45: #      ifdef TC_NO_COMPILER_INT64
                     46:                typedef unsigned __int32        TC_LARGEST_COMPILER_UINT;
                     47: #      else
                     48:                typedef unsigned __int64        TC_LARGEST_COMPILER_UINT;
                     49: #      endif
                     50: #endif
                     51: 
                     52: #ifndef TCDEFS_H
                     53: typedef union 
                     54: {
                     55:        struct 
                     56:        {
                     57:                unsigned __int32 LowPart;
                     58:                unsigned __int32 HighPart;
                     59:        };
                     60: #      ifndef TC_NO_COMPILER_INT64
                     61:        unsigned __int64 Value;
                     62: #      endif
                     63: 
                     64: } UINT64_STRUCT;
                     65: #endif
                     66: 
                     67: // Public function prototypes
                     68: 
                     69: 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);
                     70: 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);
                     71: 
1.1.1.2   root       72: #ifdef __cplusplus
                     73: }
                     74: #endif
                     75: 
1.1       root       76: #endif // #ifndef XTS_H

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