#ifndef CRYPT_H_#define CRYPT_H_#include <assert.h>#include <stdio.h>#include <string.h>#include <stdlib.h>#include <time.h>#include <ctype.h>#include <limits.h>/* Use small code where possible */#define SMALL_CODE/* Enable self-test test vector checking */#define LTC_TEST#define MD5#ifdef __cplusplusextern "C" {#endif/* version */#define CRYPT   0x0096#define SCRYPT  "0.96"/* error codes [will be expanded in future releases] */enum {   CRYPT_OK=0,             /* Result OK */   CRYPT_FAIL_TESTVECTOR,  /* Algorithm failed test vectors */   CRYPT_INVALID_ARG,      /* Generic invalid argument */   };/* type of argument checking, 0=default, 1=fatal and 2=none */#define ARGTYPE  0#ifdef _MSC_VER   #define CONST64(n) n ## ui64   typedef unsigned __int64 ulong64;#else   #define CONST64(n) n ## ULL   typedef unsigned long long ulong64;#endiftypedef unsigned long ulong32;/* Controls endianess and size of registers.  Leave uncommented to get platform neutral [slower] code *//* detect x86-32 machines somewhat */#if defined(INTEL_CC) || (defined(_MSC_VER) && defined(WIN32)) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__)))   #define ENDIAN_LITTLE   #define ENDIAN_32BITWORD#endif/* detects MIPS R5900 processors (PS2) */#if (defined(__R5900) || defined(R5900) || defined(__R5900__)) && (defined(_mips) || defined(__mips__) || defined(mips))   #define ENDIAN_LITTLE   #define ENDIAN_64BITWORD#endif/* #define ENDIAN_LITTLE *//* #define ENDIAN_BIG *//* #define ENDIAN_32BITWORD *//* #define ENDIAN_64BITWORD */#if (defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) && !(defined(ENDIAN_32BITWORD) || defined(ENDIAN_64BITWORD))    #error You must specify a word size as well as endianess in mycrypt_cfg.h#endif#if !(defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE))   #define ENDIAN_NEUTRAL#endif#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)[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 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) )typedef struct md5_state {    ulong64 length;    ulong32 state[4], curlen;    unsigned char buf[64];}md5_state;extern void md5_init(md5_state * md);extern int md5_process(md5_state * md, const unsigned char *buf, unsigned long len);extern int md5_done(md5_state * md, unsigned char *hash);extern int  md5_test(void);#if ARGTYPE == 0#include <signal.h>/* this is the default LibTomCrypt macro  */extern void crypt_argchk(char *v, char *s, int d);#define _ARGCHK(x) if (!(x)) { crypt_argchk(#x, __FILE__, __LINE__); }#elif ARGTYPE == 1/* fatal type of error */#define _ARGCHK(x) assert((x))#elif ARGTYPE == 2#define _ARGCHK(x) #endif#ifdef __cplusplus   }#endif#endif /* CRYPT_H_ */