注册机~~~~~~呵呵~~~~~~~~~ (1千字)

#include "stdio.h"
main()
{
char string[81],s[81];
static int f[14]={0x5a,0x73,0x30,0x34,0x48,0x6d,0x33,0x31,
          0x4d,0x61,0x44,0x65,0x4f,0x6b
          };
int i,a=0,b,d,e;
  unsigned c;
loop: printf("******SuperSpirit V1.00******\nThis keygen is maked by Pretender\nPlease input your name        ");
gets(string);
for(i=0;(c=string[i])!='\0';i++)
{
a=c&f[i];
s[i]=a;
}
d=i;e=i;
if(i<7) {printf("Your User name MUST more than 6 chars\n\n");goto loop;}
if(i>15) {printf("Your User name MUST less than 16 chars\n\n");goto loop;}
else for(d=i;d<=13;d++)
  {a=string[e-2]&f[d];s[d]=a;
  if(e==i) e=e+1;
    else e=e-1;
    }
    s[14]=0x0;
  printf("Your Registation number is    ");
  for(i=0;i<14;i++)
  {string[i]=s[i]-48;
  if(string[i]<0) s[i]=s[i+1]-string[i]+2;
  if(string[i]>74) s[i]=s[i+1]-string[i];
  if(string[i]>=10&&string[i]<=16) s[i]=s[i]+10;
  if(string[i]>=43&&string[i]<=48) s[i]=s[i]+20;
  printf("%c",s[i]);}
printf("\nWelcome to WWW.CRACKNOW.COM\n");}