#include <stdio.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/timeb.h>
#include <string.h>
#include <sys/types.h>
#include <signal.h>
#include <sys/stat.h>


#include "generic.h"
#include "global.h"

#ifdef NCURSES
#include <ncurses.h>
#endif



void core42b();



/* passwords <= 28 bytes (end/begin) */
/* OK */



int crack4_begin_core2(input, resume)
     char *input;
     char *resume;
{
  char conv[]="0123456789abcdef";
  register char *a,*b,*c,*d,*e,*f,*g,*h;
  char *copy;
  unsigned int offset=0;
  register int MAX=(unsigned int) alfa+strlen(alfa+1)+1;
  register int MIN=(unsigned int) alfa+1; 
  unsigned char i,j; 
  char *mov2;
  char digest[16];
  struct timeval *tp;
  register unsigned int len_begin=0, len_end=0;
  unsigned int size=28;


  tp=(struct timeval *)malloc(sizeof(struct timeval)); 
  if (!tp)
   {
     mdmesg(7, NULL);
     exit(0);
   }
  bzero(digest, 16);
  mov2=digest;
  copy=input;
  strncpy(target, input, 32);
  
    a=b=c=d=e=f=g=(char *)alfa;
    h=(char *) MIN;

    up2low(input);
    ascii2bin(copy, conv, mov2);
    Decode(digest2, mov2, 16);  
  
 


  test=(char *)malloc(size);
  if (!test)
   {
     mdmesg(7, NULL);
     doexit();
   }


  bzero(test, size);


   if (resume[0])
    {

     offset=len_begin=strlen(begin);
     if (ender) offset+=len_end=strlen(end);
     len=strlen(resume)-offset;
   

     for (i=0; i<len; i++)
       for (j=1;j<=strlen(alfa+1);j++)
         if (resume[len_begin+i]==alfa[j])
            { 
             if (!i)   h=alfa+j;
             if (i==1) g=alfa+j;
             if (i==2) f=alfa+j;
             if (i==3) e=alfa+j;
             if (i==4) d=alfa+j;
             if (i==5) c=alfa+j;
             if (i==6) b=alfa+j;
             if (i==7) a=alfa+j;
            }
     mov2=test+len_begin+len;
     len+=offset;
     strncpy(test, resume, len);
     total=test;
     test=test+len_begin;
    }
  else
    {
      h=(char *)MIN;
      offset=len_begin=strlen(begin);
      if (ender) 
	offset+=len_end=strlen(end);
      memcpy(test, begin, len_begin);

      total=test;
      test=test+len_begin;
      if (minimal)
	{
	  for (i=0; i<8; i++)
	    {
	      
	      switch(minimal-i+95)
		{
		case 'a':
		  g++;
		  *(test+1)=*g;
		  break;
		  
		case 'b':
		  f++;
		  *(test+2)=*f;
		  break;
		  
		case 'c':
		  e++;
		  *(test+3)=*e;
		  break;
		  
		case 'd':
		  d++;
		  *(test+4)=*d;
		  break;
		  
		case 'e':
		  c++;
		  *(test+5)=*c;
		  break;
		  
		case 'f':
		  b++;
		  *(test+6)=*b;
		  break;
		  
		case 'g':
		  a++;
		  *(test+7)=*a;
		  break;
		  
		}
	    }
	  len=minimal;
	}
      else
	len=1;      
    

      mov2=test+len;
      len += offset;
      if (ender) 
	memcpy(mov2, end, len_end);
    }



 
 
    

 
  tail=len<<3;
  total[len]=0x80;
  
 
  printw("\nPassword size: %u \n", len);

#ifdef NCURSES
  refresh();
#endif
  fflush(stdout);


 if (benchmode)
    {
     alarm(duration);
     signal(SIGALRM, handle);
    }



#ifdef ISBIG_ENDIAN
  Decode(x1, total, 28);
#else
  x1=(unsigned int *)total;
#endif



  signal(SIGINT, handle);
  gettimeofday(tp, NULL);
  start=tp->tv_sec;
  start_u=tp->tv_usec;

  
  goto firsttime;

  for(;a<(char *)MAX;a++)
    {
       *(test+7)=*a;
      for(;b<(char *)MAX;b++)
	{
	  *(test+6)=*b;
	  for(;c<(char *)MAX;c++)
	    {
	      *(test+5)=*c;
	      for(;d<(char *)MAX;d++)
		{
		  *(test+4)=*d;
		  for(;e<(char *)MAX;e++)
		    {
		      *(test+3)=*e;
		      for(;f<(char *)MAX;f++)
			{
			  *(test+2)=*f;
			  for(;g<(char *)MAX;g++)
			    {
			      *(test+1)=*g;
			      for(;h<(char *)MAX;h++)
				{
firsttime:	      		  *test=*h;
			
				
				 
                                  core42b();
			       
#ifdef ISBIG_ENDIAN
				  Decode(x1, total, 28);
#endif


                                  count++;
				 
                                  if (((*digest2==*result2)&&(*(digest2+1)==*(result2+1))&&(*(digest2+2)==*(result2+2))&&(*(digest2+3)==*(result2+3))))
				    {
				     total[len]=0x00;
				     val=1;
				     if (!stats(total, len))
				       mdmesg(8, NULL);
                                      if (!all)
					return(1);
				       total[len]=0x80;			      
				    }                  
				
               
				}
                              h=(char *)MIN;
			      if (len<2+offset) 
				{
				  len++;
				  mov2++;
				  if (ender)
				    strncpy(mov2, end, len_end);
				  total[len]=0x80;		     
				  tail=len<<3;
				  printw("\nPassword size: %u \n", len);
#ifdef NCURSES
				  refresh();
#else
				  fflush(stdout);
#endif	
				}
			    }
			  g=(char *)MIN;
			  if (len<3+offset) 
			    {
			      len++;
			      mov2++;
			      if (ender)
				strncpy(mov2, end, len_end);
			      total[len]=0x80;
			      tail=len<<3;
			      printw("\nPassword size: %u \n", len);
#ifdef NCURSES
			      refresh();
#else
			      fflush(stdout);
#endif	
			    }
			}
		      f=(char *)MIN;
		      if (len<4+offset) 
			{
			  len++;
			  mov2++;
			  if (ender)
			    strncpy(mov2, end, len_end);
			  total[len]=0x80;
			  tail=len<<3;
			  printw("\nPassword size: %u \n", len);
#ifdef NCURSES
			  refresh();
#else
			  fflush(stdout);
#endif	  
			}
		    }
		  e=(char *)MIN;
		  if (len<5+offset) 
		    {
		      len++;
		      mov2++;
		      if (ender)
			strncpy(mov2, end, len_end);
		      total[len]=0x80;
		      tail=len<<3;
		      printw("\nPassword size: %u \n", len);
#ifdef NCURSES
		      refresh();
#else
		      fflush(stdout);
#endif	      
		    }
		}
              d=(char *)MIN;
              if (len<6+offset) 
		{
		  len++;
		  mov2++;
		  if (ender)
		    strncpy(mov2, end, len_end);
		  total[len]=0x80;
		  tail=len<<3;
		  printw("\nPassword size: %u \n", len);
#ifdef NCURSES
		  refresh();
#else
		  fflush(stdout);
#endif	  
		}
	    }
          c=(char *)MIN;
	  if (len<7+offset) 
	    {
	      len++;
	      mov2++;
	      if (ender)
		strncpy(mov2, end, len_end);
	      total[len]=0x80;
	      tail=len<<3;
	      printw("\nPassword size: %u \n", len);
#ifdef NCURSES
	      refresh();
#else
	      fflush(stdout);
#endif      
	    }
	}
      b=(char *)MIN;
      if (len<8+offset) 
	{
	  len++;
	  mov2++;
	  if (ender)
	    strncpy(mov2, end, len_end);
	  total[len]=0x80;
	  tail=len<<3;
	  printw("\nPassword size: %u \n", len);
#ifdef NCURSES
	  refresh();
#else
	  fflush(stdout);
#endif
	  
	}
    }
  return(0);  
}




 void core42b(void)
{
  register unsigned int a;
  register unsigned int	b;
  register unsigned int	c;
  register unsigned int	d;

  a = 0x67452301;
  b = 0xefcdab89;
  c = 0x98badcfe;
  d = 0x10325476; 
 
  

  NFF (a, b, c, d, x1[0], S11, SS11);       /* 1  */
  NFF (d, a, b, c, x1[1], S12, SS12);       /* 2  */
  NFF (c, d, a, b, x1[2], S13, SS13);       /* 3  */
  NFF (b, c, d, a, x1[3], S14, SS14);       /* 4  */
  NFF (a, b, c, d, x1[4], S11, SS11);       /* 5  */
  NFF (d, a, b, c, x1[5], S12, SS12);       /* 6  */
  NFF (c, d, a, b, x1[6], S13, SS13);       /* 7  */
  NFF0 (b, c, d, a, S14, SS14);             /* 8  */
  NFF0 (a, b, c, d, S11, SS11);             /* 9  */
  NFF0 (d, a, b, c, S12, SS12);             /* 10 */
  NFF0 (c, d, a, b, S13, SS13);             /* 11 */
  NFF0 (b, c, d, a, S14, SS14);             /* 12 */
  NFF0 (a, b, c, d, S11, SS11);             /* 13 */
  NFF0 (d, a, b, c, S12, SS12);             /* 14 */
  NFF (c, d, a, b, tail, S13, SS13);        /* 15 */
  NFF0 (b, c, d, a, S14, SS14);             /* 16 */
  


  /*

    Round 2

  */

  
  NGG (a, b, c, d, x1[0], S21, SS21);       /* 17 */
  NGG (d, a, b, c, x1[4], S22, SS22);       /* 18 */
  NGG0 (c, d, a, b,S23, SS23);              /* 19 */
  NGG0 (b, c, d, a,S24, SS24);              /* 20 */
  NGG (a, b, c, d, x1[1], S21, SS21);       /* 21 */
  NGG (d, a, b, c, x1[5], S22, SS22);       /* 22 */
  NGG0 (c, d, a, b,S23, SS23);              /* 23 */
  NGG0 (b, c, d, a, S24, SS24);             /* 24 */
  NGG (a, b, c, d, x1[2], S21, SS21);       /* 25 */
  NGG (d, a, b, c,x1[6], S22, SS22);        /* 26 */
  NGG0 (c, d, a, b, S23, SS23);             /* 27 */
  NGG (b, c, d, a, tail, S24, SS24);        /* 28 */
  NGG (a, b, c, d, x1[3], S21, SS21);       /* 29 */
  NGG0 (d, a, b, c, S22, SS22);             /* 30 */
  NGG0 (c, d, a, b, S23, SS23);             /* 31 */
  NGG0 (b, c, d, a, S24, SS24);             /* 32 */
  
 

  /*

    Round 3

  */

  NHH (a, b, c, d, x1[0], S31, SS31);      /* 33 */
  NHH0 (d, a, b, c,S32, SS32);             /* 34 */
  NHH (c, d, a, b, x1[4], S33, SS33);      /* 35 */
  NHH0 (b, c, d, a, S34, SS34);            /* 36 */
  NHH (a, b, c, d, x1[2], S31, SS31);      /* 37 */
  NHH0 (d, a, b, c,S32, SS32);             /* 38 */
  NHH (c, d, a, b, x1[6],S33, SS33);       /* 39 */
  NHH (b, c, d, a, tail, S34, SS34);       /* 40 */
  NHH (a, b, c, d, x1[1], S31, SS31);      /* 41 */
  NHH0 (d, a, b, c,S32, SS32);             /* 42 */
  NHH (c, d, a, b,x1[5], S33, SS33);       /* 43 */
  NHH0 (b, c, d, a,S34, SS34);             /* 44 */
  NHH (a, b, c, d, x1[3],S31, SS31);       /* 45 */
  NHH0 (d, a, b, c,S32, SS32);             /* 46 */
  NHH0 (c, d, a, b, S33, SS33);            /* 47 */ 
  NHH0 (b, c, d, a, S34, SS34);            /* 48 */ 
 
  

  a  += 0x67452301;
  b  += 0xefcdab89;
  c  += 0x98badcfe;
  d  += 0x10325476;
 

 result2[0] = a;
 result2[1] = b;
 result2[2] = c; 
 result2[3] = d;

}