?? mycrypt_macros.h
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/* fix for MSVC ...evil! */#ifdef _MSC_VER #define CONST64(n) n ## ui64 typedef unsigned __int64 ulong64;#else #define CONST64(n) n ## ULL typedef unsigned long long ulong64;#endif/* this is the "32-bit at least" data type * Re-define it to suit your platform but it must be at least 32-bits */typedef unsigned long ulong32;/* ---- HELPER MACROS ---- */#ifdef ENDIAN_NEUTRAL#define STORE32L(x, y) \ { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }#define LOAD32L(x, y) \ { x = ((unsigned long)((y)[3] & 255)<<24) | \ ((unsigned long)((y)[2] & 255)<<16) | \ ((unsigned long)((y)[1] & 255)<<8) | \ ((unsigned long)((y)[0] & 255)); }#define STORE64L(x, y) \ { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }#define LOAD64L(x, y) \ { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \ (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \ (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \ (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }#define STORE32H(x, y) \ { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \ (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }#define LOAD32H(x, y) \ { x = ((unsigned long)((y)[0] & 255)<<24) | \ ((unsigned long)((y)[1] & 255)<<16) | \ ((unsigned long)((y)[2] & 255)<<8) | \ ((unsigned long)((y)[3] & 255)); }#define STORE64H(x, y) \ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }#define LOAD64H(x, y) \ { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \ (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \ (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \ (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }#endif /* ENDIAN_NEUTRAL */#ifdef ENDIAN_LITTLE#define STORE32H(x, y) \ { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \ (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }#define LOAD32H(x, y) \ { x = ((unsigned long)((y)[0] & 255)<<24) | \ ((unsigned long)((y)[1] & 255)<<16) | \ ((unsigned long)((y)[2] & 255)<<8) | \ ((unsigned long)((y)[3] & 255)); }#define STORE64H(x, y) \ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }#define LOAD64H(x, y) \ { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \ (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \ (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \ (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }#ifdef ENDIAN_32BITWORD #define STORE32L(x, y) \ { unsigned long __t = (x); memcpy(y, &__t, 4); }#define LOAD32L(x, y) \ memcpy(&(x), y, 4);#define STORE64L(x, y) \ { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }#define LOAD64L(x, y) \ { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \ (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \ (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \ (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }#else /* 64-bit words then */#define STORE32L(x, y) \ { unsigned long __t = (x); memcpy(y, &__t, 4); }#define LOAD32L(x, y) \ { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }#define STORE64L(x, y) \ { ulong64 __t = (x); memcpy(y, &__t, 8); }#define LOAD64L(x, y) \ { memcpy(&(x), y, 8); }#endif /* ENDIAN_64BITWORD */#endif /* ENDIAN_LITTLE */#ifdef ENDIAN_BIG#define STORE32L(x, y) \ { (y)[z0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \ (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }#define LOAD32L(x, y) \ { x = ((unsigned long)((y)[0] & 255)<<24) | \ ((unsigned long)((y)[1] & 255)<<16) | \ ((unsigned long)((y)[2] & 255)<<8) | \ ((unsigned long)((y)[3] & 255)); }#define STORE64L(x, y) \ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }#define LOAD64L(x, y) \ { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \ (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \ (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \ (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }#ifdef ENDIAN_32BITWORD #define STORE32H(x, y) \ { unsigned long __t = (x); memcpy(y, &__t, 4); }#define LOAD32H(x, y) \ memcpy(&(x), y, 4);#define STORE64H(x, y) \ { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }#define LOAD64H(x, y) \ { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \ (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \ (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \ (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }#else /* 64-bit words then */#define STORE32H(x, y) \ { unsigned long __t = (x); memcpy(y, &__t, 4); }#define LOAD32H(x, y) \ { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }#define STORE64H(x, y) \ { ulong64 __t = (x); memcpy(y, &__t, 8); }#define LOAD64H(x, y) \ { memcpy(&(x), y, 8); }#endif /* ENDIAN_64BITWORD */#endif /* ENDIAN_BIG */#define BSWAP(x) ( ((x>>24)&0x000000FFUL) | ((x<<24)&0xFF000000UL) | \ ((x>>8)&0x0000FF00UL) | ((x<<8)&0x00FF0000UL) )#ifdef _MSC_VER/* instrinsic rotate */#include <stdlib.h>#pragma intrinsic(_lrotr,_lrotl)#define ROR(x,n) _lrotr(x,n)#define ROL(x,n) _lrotl(x,n)#elif defined(__GNUC__) && defined(__i386__) && !defined(INTEL_CC)static inline unsigned long ROL(unsigned long word, int i){ __asm__("roll %%cl,%0" :"=r" (word) :"0" (word),"c" (i)); return word;}static inline unsigned long ROR(unsigned long word, int i){ __asm__("rorl %%cl,%0" :"=r" (word) :"0" (word),"c" (i)); return word;}#else/* rotates the hard way */#define ROL(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)#define ROR(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)#endif#define ROL64(x, y) \ ( (((x)<<((ulong64)(y)&63)) | \ (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))#define ROR64(x, y) \ ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \ ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))#undef MAX#undef MIN#define MAX(x, y) ( ((x)>(y))?(x):(y) )#define MIN(x, y) ( ((x)<(y))?(x):(y) )/* extract a byte portably */#ifdef _MSC_VER #define byte(x, n) ((unsigned char)((x) >> (8 * (n))))#else #define byte(x, n) (((x) >> (8 * (n))) & 255)#endif ?? 快捷鍵說明
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