Untitled

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

 

 

char *xor_decode ( char *data, char *key )

{

    int nr;

    int i = 0;

    int j = 0;

   

    char *result = NULL;

    char *output, *tmp;

    result = strtok( data, "," );

   

    output = malloc (200);

    bzero(output, 200);

    tmp = output;

   

    while( result != NULL )

    {

        sscanf ( result, "%d", &nr );

        *tmp++ = nr^key[i];

       

 

        if ( key[i] == 0 ) i = 0;

       

        result = strtok( NULL, "," );

        i++; j++;

    }

 

    return output;

}

 

int main()

{

  char data[] = "28,94,94,63,18,58,102,106,19,62,79,104,58,28,100,13,6,77,76,25,6,2,58,61,57,58,67,106,58,21,105,109,105,64,79,108,62,23,9,16,76,27,11,95,90,57,64,79";

  char key[] = "4adc0a861ce3d1928d0198acef46ff4153e0b879034edebfe21e802d5473a6a4b71afb7eca04f6365709cc3b00c9f097";

 

  char * o = xor_decode (data, key);

  printf ( "%s\n", o);

 

  free(o);

 

  return 0;

}