C#讀取計算機的機器碼、網卡、設備碼

/// <summary>
/// 取得設備硬盤的卷標號
/// </summary>
/// <returns></returns>
public static string GetDiskVolumeSerialNumber()
 {
  ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
  ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
  disk.Get();
    return disk.GetPropertyValue("VolumeSerialNumber").ToString();
 }

/// <summary>
/// 得到CPU的序列號
/// </summary>
/// <returns></returns>
public static string getCpu()
   {
     string strCpu = null;
     ManagementClass myCpu = new ManagementClass("win32_Processor");
     ManagementObjectCollection myCpuConnection = myCpu.GetInstances();
     foreach (ManagementObject myObject in myCpuConnection)
      {
         strCpu = myObject.Properties["Processorid"].Value.ToString();
          break;
        }
     return strCpu;
}

而後再組合生成機器碼：

/// <summary>
        /// 生成機器碼
        /// </summary>
        /// <returns></returns>
        public static string getMNum()
        {
            string strNum = getCpu() + GetDiskVolumeSerialNumber();//得到24位Cpu和硬盤序列號
            string strMNum = strNum.Substring(0, 24);//從生成的字符串中取出前24個字符作爲機器碼
            return strMNum;
        }
        public int[] intCode = new int[127];//存儲密鑰
        public int[] intNumber = new int[25];//存機器碼的Ascii值
        public char[] Charcode = new char[25];//存儲機器碼字
        public void setIntCode()//給數組賦值小於10的數
        {
            for (int i = 1; i < intCode.Length; i++)
            {
                intCode[i] = i % 9;
            }
        }

生成註冊碼等：

/// <summary>
        /// 生成註冊碼
        /// </summary>
        /// <returns></returns>
        public string getRNum()
        {
            setIntCode();//初始化127位數組
            string MNum = getMNum();//獲取註冊碼
            for (int i = 1; i < Charcode.Length; i++)//把機器碼存入數組中
            {
                Charcode[i] = Convert.ToChar(MNum.Substring(i - 1, 1));
            }
            for (int j = 1; j < intNumber.Length; j++)//把字符的ASCII值存入一個整數組中。
            {
                intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);
            }
            string strAsciiName = "";//用於存儲註冊碼
            for (int j = 1; j < intNumber.Length; j++)
            {
                if (intNumber[j] >= 48 && intNumber[j] <= 57)//判斷字符ASCII值是否0－9之間
                {
                    strAsciiName += Convert.ToChar(intNumber[j]).ToString();
                }
                else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判斷字符ASCII值是否A－Z之間
                {
                    strAsciiName += Convert.ToChar(intNumber[j]).ToString();
                }
                else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判斷字符ASCII值是否a－z之間
                {
                    strAsciiName += Convert.ToChar(intNumber[j]).ToString();
                }
                else//判斷字符ASCII值不在以上範圍內
                {
                    if (intNumber[j] > 122)//判斷字符ASCII值是否大於z
                    {
                        strAsciiName += Convert.ToChar(intNumber[j] - 10).ToString();
                    }
                    else
                    {
                        strAsciiName += Convert.ToChar(intNumber[j] - 9).ToString();
                    }
                }
            }
            return strAsciiName;//返回註冊碼
        }
        public static string GetNetCardMACAddress()
        {
            try
            {
                ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapter WHERE ((MACAddress Is Not NULL) AND (Manufacturer <> 'Microsoft'))");
                string NetCardMACAddress = "";
                foreach (ManagementObject mo in searcher.Get())
                {
                    NetCardMACAddress = mo["MACAddress"].ToString().Trim();
                }
                return NetCardMACAddress;
            }
            catch
            {
                return "";
            }

        }