#include "stdio.h"
main()
{
char e[8],d[8];
long i,c,esi=0x5816,t,a;
printf("******TEST********\nThis keygen is made by Pretender\nPlease input your ID  :  ");
gets(e);
for(i=0;i<4;i++)
d[i]=e[i+4],d[i+4]=e[i];
  printf("Your Register code is :  ");
for(i=0;(c=d[i])!='\0';i++)
{if(c>='0'&&c<='9') d[i]-=48;
  if(c>='A'&&c<='F') d[i]-=55;
  if(c>='a'&&c<='f') d[i]-=87;}
for(i=0;i<4;i++)
{c=d[2*i]*16+d[2*i+1];
t=esi/256;
t=t^c;
printf("%02X",t);
esi=(esi+t)*0xf3f;
esi+=0x8f30;
esi&=0xffff;
}
printf("\n *****************************      ---    ---    ---\n *Welcome to WWW.CRACKNOW.COM*      /      /      / --\n *****************************      ---    ---    --/\n");}