Seriennummer algorythmus

#include <stdio.h>
#include <stdlib.h>

int main(int argc,char *argv[]){
 unsigned char user[256];
 unsigned int serial[256];
 int len=8,i=0;
 unsigned int ebp_44=0x0,ebp_170=0x0,ebp=0x0,eax=0x0,ecx=0x0,edx=0x0,esi=0x0,edi=0x0,wert2=0x0;
 int wert[7];
 
 if(argc != 2){ return -1; }
 
 strncpy(user,argv[1],8);
 
 /* Statische Werte zuweisen */
 wert[0] = 0x0190;
 wert[1] = 0x0123;
 wert[2] = 0x0456;
 wert[3] = 0x0162;
 wert[4] = 0x0432;
 wert[5] = 0x0535;
 wert[6] = 0x08;
 wert[7] = 0xDEAD;

 
 
 /* Diese Schleife rechnet die Buchstaben des Namens zusammen ... */
 for(i=0;i<len;i++)
 ebp_44 += user[i] + 0xAFFE;

 /* In dieser Schleife findet die eigentliche Serialberechnung statt ... */
 for(i=0;i<8;i++)
 {
 eax = ebp_44;
 ecx = len;
 eax = eax / ecx;
 eax = eax * ebp_44;
 eax = eax * wert[i];
 ecx = 0xFFFF;
 wert2 = eax;
 eax = eax / ecx;
 edx = wert2 % ecx; 
 ecx = 0x104;
 ecx = ecx - ebp_44;
 edi = ecx;
 edi = edi ^ 0xFFFFFFFF;
 edi = edx + edi + 0x14D;
 serial[i] = edi;
 }
 eax = user[2];
 eax += 0x4783;
 ecx = len;
 eax /= ecx;
 serial[8] = eax;
 printf("%4.4X-%4.4X-%4.4X-%4.4X-%4.4X-%4.4X-%4.4X-%4.4X-%4.4X\n\n",serial[0],serial[1],serial[2],serial[3],serial[4],serial[5],serial[6],serial[7],serial[8]);
}