hwid.cs

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Security.Cryptography;
using System.Text;

namespace hwid
{
    public class hwid : Form
    {
        public hwid()

        {
            Console.Write("Your HWID: ");
            Console.WriteLine(Value());
            Console.ReadLine();
        }

        private static string GetHash(string s)
        {
            //Initialize a new MD5 Crypto Service Provider in order to generate a hash
            MD5 sec = new MD5CryptoServiceProvider();
            //Grab the bytes of the variable 's'
            byte[] bt = Encoding.ASCII.GetBytes(s);
            //Grab the Hexadecimal value of the MD5 hash
            return GetHexString(sec.ComputeHash(bt));
        }

        private static string GetHexString(IList<byte> bt)
        {
            string s = string.Empty;
            for (int i = 0; i < bt.Count; i++)
            {
                byte b = bt[i];
                int n = b;
                int n1 = n & 15;
                int n2 = (n >> 4) & 15;
                if (n2 > 9)
                    s += ((char) (n2 - 10 + 'A')).ToString(CultureInfo.InvariantCulture);
                else
                    s += n2.ToString(CultureInfo.InvariantCulture);
                if (n1 > 9)
                    s += ((char) (n1 - 10 + 'A')).ToString(CultureInfo.InvariantCulture);
                else
                    s += n1.ToString(CultureInfo.InvariantCulture);
                if ((i + 1) != bt.Count && (i + 1) % 2 == 0) s += "-";
            }

            return s;
        }

        private static string _fingerPrint = string.Empty;

        private static string Value()
        {
            //You don't need to generate the HWID again if it has already been generated. This is better for performance
            //Also, your HWID generally doesn't change when your computer is turned on but it can happen.
            //It's up to you if you want to keep generating a HWID or not if the function is called.
            if (string.IsNullOrEmpty(_fingerPrint))
            {
                _fingerPrint = GetHash("CPU >> " + CpuId() + "\nBIOS >> " + BiosId() + "\nBASE >> " + BaseId() +
                                       "\nDISK >> " + DiskId() + "\nVIDEO >> " + VideoId() + "\nMAC >> " + MacId());
            }

            return _fingerPrint;
        }

        //Return a hardware identifier
        private static string Identifier(string wmiClass, string wmiProperty, string wmiMustBeTrue)
        {
            string result = "";
            System.Management.ManagementClass mc = new System.Management.ManagementClass(wmiClass);
            System.Management.ManagementObjectCollection moc = mc.GetInstances();
            foreach (System.Management.ManagementBaseObject mo in moc)
            {
                if (mo[wmiMustBeTrue].ToString() != "True") continue;
                //Only get the first one
                if (result != "") continue;
                try
                {
                    result = mo[wmiProperty].ToString();
                    break;
                }
                catch
                {
                }
            }

            return result;
        }

        //Return a hardware identifier
        private static string Identifier(string wmiClass, string wmiProperty)
        {
            string result = "";
            System.Management.ManagementClass mc = new System.Management.ManagementClass(wmiClass);
            System.Management.ManagementObjectCollection moc = mc.GetInstances();
            foreach (System.Management.ManagementBaseObject mo in moc)
            {
                //Only get the first one
                if (result != "") continue;
                try
                {
                    result = mo[wmiProperty].ToString();
                    break;
                }
                catch
                {
                }
            }

            return result;
        }

        private static string CpuId()
        {
            //Uses first CPU identifier available in order of preference
            //Don't get all identifiers, as it is very time consuming
            string retVal = Identifier("Win32_Processor", "UniqueId");
            if (retVal != "") return retVal;
            retVal = Identifier("Win32_Processor", "ProcessorId");
            if (retVal != "") return retVal;
            retVal = Identifier("Win32_Processor", "Name");
            if (retVal == "") //If no Name, use Manufacturer
            {
                retVal = Identifier("Win32_Processor", "Manufacturer");
            }

            //Add clock speed for extra security
            retVal += Identifier("Win32_Processor", "MaxClockSpeed");
            return retVal;
        }

        //BIOS Identifier
        private static string BiosId()
        {
            return Identifier("Win32_BIOS", "Manufacturer") + Identifier("Win32_BIOS", "SMBIOSBIOSVersion") +
                   Identifier("Win32_BIOS", "IdentificationCode") + Identifier("Win32_BIOS", "SerialNumber") +
                   Identifier("Win32_BIOS", "ReleaseDate") + Identifier("Win32_BIOS", "Version");
        }

        //Main physical hard drive ID
        private static string DiskId()
        {
            return Identifier("Win32_DiskDrive", "Model") + Identifier("Win32_DiskDrive", "Manufacturer") +
                   Identifier("Win32_DiskDrive", "Signature") + Identifier("Win32_DiskDrive", "TotalHeads");
        }

        //Motherboard ID
        private static string BaseId()
        {
            return Identifier("Win32_BaseBoard", "Model") + Identifier("Win32_BaseBoard", "Manufacturer") +
                   Identifier("Win32_BaseBoard", "Name") + Identifier("Win32_BaseBoard", "SerialNumber");
        }

        //Primary video controller ID
        private static string VideoId()
        {
            return Identifier("Win32_VideoController", "DriverVersion") + Identifier("Win32_VideoController", "Name");
        }

        //First enabled network card ID
        private static string MacId()
        {
            return Identifier("Win32_NetworkAdapterConfiguration", "MACAddress", "IPEnabled");
        }
    }
}