--- truecrypt/common/endian.h 2018/04/24 16:37:52 1.1 +++ truecrypt/common/endian.h 2018/04/24 16:57:26 1.1.1.15 @@ -1,5 +1,73 @@ -/* Copyright (C) 2004 TrueCrypt Team, truecrypt.org - This product uses components written by Paul Le Roux */ +/* + Legal Notice: Some portions of the source code contained in this file were + derived from the source code of Encryption for the Masses 2.02a, which is + Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License + Agreement for Encryption for the Masses'. Modifications and additions to + the original source code (contained in this file) and all other portions of + this file are Copyright (c) 2003-2008 TrueCrypt Foundation and are governed + by the TrueCrypt License 2.6 the full text of which is contained in the + file License.txt included in TrueCrypt binary and source code distribution + packages. */ + +#ifndef TC_ENDIAN_H +#define TC_ENDIAN_H + +#if defined(__cplusplus) +extern "C" +{ +#endif + +#ifdef _WIN32 + +# ifndef LITTLE_ENDIAN +# define LITTLE_ENDIAN 1234 +# endif +# ifndef BYTE_ORDER +# define BYTE_ORDER LITTLE_ENDIAN +# endif + +#elif !defined(BYTE_ORDER) + +# ifdef TC_MACOSX +# include +# elif defined (TC_BSD) +# include +# else +# include +# endif + +# ifndef BYTE_ORDER +# ifndef __BYTE_ORDER +# error Byte order cannot be determined (BYTE_ORDER undefined) +# endif + +# define BYTE_ORDER __BYTE_ORDER +# endif + +# ifndef LITTLE_ENDIAN +# define LITTLE_ENDIAN __LITTLE_ENDIAN +# endif + +# ifndef BIG_ENDIAN +# define BIG_ENDIAN __BIG_ENDIAN +# endif + +#endif // !BYTE_ORDER + +/* Macros to read and write 16, 32, and 64-bit quantities in a portable manner. + These functions are implemented as macros rather than true functions as + the need to adjust the memory pointers makes them somewhat painful to call + in user code */ + +#define mputInt64(memPtr,data) \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 56 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 48 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 40 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 32 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF ) #define mputLong(memPtr,data) \ *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \ @@ -18,14 +86,15 @@ memcpy (memPtr,data,len); \ memPtr += len; -/* Macros to read and write 16 and 32-bit quantities in a portable manner. - These functions are implemented as macros rather than true functions as - the need to adjust the memory pointers makes them somewhat painful to call - in user code */ +#define mgetInt64(memPtr) \ + ( memPtr += 8, ( ( unsigned __int64 ) memPtr[ -8 ] << 56 ) | ( ( unsigned __int64 ) memPtr[ -7 ] << 48 ) | \ + ( ( unsigned __int64 ) memPtr[ -6 ] << 40 ) | ( ( unsigned __int64 ) memPtr[ -5 ] << 32 ) | \ + ( ( unsigned __int64 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int64 ) memPtr[ -3 ] << 16 ) | \ + ( ( unsigned __int64 ) memPtr[ -2 ] << 8 ) | ( unsigned __int64 ) memPtr[ -1 ] ) #define mgetLong(memPtr) \ - ( memPtr += 4, ( ( unsigned long ) memPtr[ -4 ] << 24 ) | ( ( unsigned long ) memPtr[ -3 ] << 16 ) | \ - ( ( unsigned long ) memPtr[ -2 ] << 8 ) | ( unsigned long ) memPtr[ -1 ] ) + ( memPtr += 4, ( ( unsigned __int32 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int32 ) memPtr[ -3 ] << 16 ) | \ + ( ( unsigned __int32 ) memPtr[ -2 ] << 8 ) | ( unsigned __int32 ) memPtr[ -1 ] ) #define mgetWord(memPtr) \ ( memPtr += 2, ( unsigned short ) memPtr[ -2 ] << 8 ) | ( ( unsigned short ) memPtr[ -1 ] ) @@ -33,9 +102,35 @@ #define mgetByte(memPtr) \ ( ( unsigned char ) *memPtr++ ) +#if BYTE_ORDER == BIG_ENDIAN +# define LE16(x) MirrorBytes16(x) +# define LE32(x) MirrorBytes32(x) +# define LE64(x) MirrorBytes64(x) +#else +# define LE16(x) (x) +# define LE32(x) (x) +# define LE64(x) (x) +#endif + +#if BYTE_ORDER == LITTLE_ENDIAN +# define BE16(x) MirrorBytes16(x) +# define BE32(x) MirrorBytes32(x) +# define BE64(x) MirrorBytes64(x) +#else +# define BE16(x) (x) +# define BE32(x) (x) +# define BE64(x) (x) +#endif + +unsigned __int16 MirrorBytes16 (unsigned __int16 x); +unsigned __int32 MirrorBytes32 (unsigned __int32 x); +#ifndef TC_NO_COMPILER_INT64 +unsigned __int64 MirrorBytes64 (unsigned __int64 x); +#endif +void LongReverse ( unsigned __int32 *buffer , unsigned byteCount ); + +#if defined(__cplusplus) +} +#endif -#define LITTLE_ENDIAN 1 - -/* Everything below this line is automatically updated by the -mkproto-tool- */ - -void LongReverse ( unsigned long *buffer , unsigned byteCount ); +#endif /* TC_ENDIAN_H */