设计软件注册之一网卡序列号

根据网卡序列号设计软件注册

通过注册软件获取本机网卡序列号，然后通过网卡序列号、随机数及指定算法生成注册码，最后将注册码写入注册表。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Management;

namespace 利用网卡序列号设计软件注册程序
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            label3.Text = Environment.MachineName.ToString();
            label4.Text = GetNetCardMacAddress();
        }
        public string GetNetCardMacAddress() 
        {
            //实例化MangementClass对象。
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            //创建ManagementObjectCollection对象。
            ManagementObjectCollection moc = mc.GetInstances();
            string str = "";
            foreach (ManagementObject mo in moc)//遍历所得的集合
            {
                if ((bool)mo["IPEnabled"]==true)
                {
                    str=mo["MacAddress"].ToString();
                }
              
            }  return str;

        }

        string[] strLanCode = new string[12];//网卡信息存储。
        string[] strKey = { "Q","W","7","E","D","F","2","G","R","T","Y","8","P",
                                  "N","B","V","C","X","Z","0","9","I","8","6","U","O",
                                  "P","M","5","4","3","1","A","S","H","J","K","L"};
        public int intRand = 0;
        private void button1_Click(object sender, EventArgs e)
        {
            string strCode = GetNetCardMacAddress();
            strCode = strCode.Substring(0, 2) + strCode.Substring(3, 2) + strCode.Substring(6, 2)
                + strCode.Substring(9, 2) + strCode.Substring(12, 2) + strCode.Substring(15, 2);
            string strb = strCode.Substring(0, 4) + strCode.Substring(4, 4) + strCode.Substring(8,4);
            for (int i = 0; i < strLanCode.Length; i++)
            {
                strLanCode[i] = strb.Substring(i,1);//把网卡信息存入数组。

            }
            Random ra = new Random();
            switch (intRand)
            {
                case 0:
                    label5.Text = strCode.Substring(0, 4) + "-" + strCode.Substring(4, 4) + "-" + strCode.Substring(8, 4) + "-" +
                        strKey[ra.Next(0, 37)].ToString() + strKey[ra.Next(0, 37)].ToString() + strKey[ra.Next(0, 37)].ToString() +
                        strKey[ra.Next(0, 37)].ToString();//生成随机注册码。
                    intRand = 1;
                    break;
                case 1:
                    label5.Text = strCode.Substring(0, 4) + "-" + strCode.Substring(4, 4) + "-" + strLanCode[ra.Next(0, 11)] + 
                        strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] + "-" +
                        strKey[ra.Next(0, 37)].ToString() + strKey[ra.Next(0, 37)].ToString() + strKey[ra.Next(0, 37)].ToString() +
                        strKey[ra.Next(0, 37)].ToString();//生成随机注册码。
                    intRand = 2;
                    break;
                case 2:
                    label5.Text = strCode.Substring(0, 4) + "-" + strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] + 
                        strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] + "-" + strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] +
                        strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)]+ "-" +strKey[ra.Next(0, 37)].ToString() + 
                        strKey[ra.Next(0, 37)].ToString() + strKey[ra.Next(0, 37)].ToString() +
                        strKey[ra.Next(0, 37)].ToString();//生成随机注册码。
                    intRand = 3;
                    break;
                case 3:
                    label5.Text = strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] + strLanCode[ra.Next(0, 11)] +"-"+
                        strLanCode[ra.Next(0,11)]+strLanCode[ra.Next(0,11)]+strLanCode[ra.Next(0,11)]+strLanCode[ra.Next(0,11)]+"-"+
                        strLanCode[ra.Next(0,11)]+strLanCode[ra.Next(0,11)]+strLanCode[ra.Next(0,11)]+strLanCode[ra.Next(0,11)]+"-"+
                        strKey[ra.Next(0, 37)].ToString() + strKey[ra.Next(0, 37)].ToString() + strKey[ra.Next(0, 37)].ToString() +
                        strKey[ra.Next(0, 37)].ToString();//生成随机注册码。
                    intRand = 0;
                    break;
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            //注册按钮
            if (label5.Text=="")
            {
                MessageBox.Show("请生成注册码！","提示");
            }
            else
            {
                string strNameKey = textBox1.Text.TrimEnd()+ textBox2.Text.TrimEnd()+
                    textBox3.Text.TrimEnd()  + textBox4.Text.TrimEnd();//获取输入的注册码。
                string strNumber = label5.Text.Substring(0,4) + label5.Text.Substring(5,4) +
                    label5.Text.Substring(10,4) + label5.Text.Substring(15,4);//获取生成的注册码。
                if (strNameKey==strNumber)//判断是否相等。
                {
                    Microsoft.Win32.RegistryKey retkey1 =//打开对应的键值。
                        Microsoft.Win32.Registry.CurrentUser.OpenSubKey("SOFTWARE").OpenSubKey("ZHD").OpenSubKey("ZHD.INI", true);
                    //MessageBox.Show(retkey1.GetSubKeyNames().ToString());
                    foreach (String strName in retkey1.GetSubKeyNames())//判断注册码是否过期。
                    {
                        if (strName == strNameKey)//如果输入的和原始值相等，则表示过期。
                        {
                            MessageBox.Show("你的注册码已经过期！", "提示");
                            return;
                        }
                    }
                    Microsoft.Win32.RegistryKey retkey =
                        Microsoft.Win32.Registry.CurrentUser.OpenSubKey("SOFTWARE", true).CreateSubKey("ZHD").CreateSubKey("ZHD.INI").CreateSubKey(strNumber.TrimEnd());
                    retkey.SetValue("UserName","天成科技有限责任公司");
                    MessageBox.Show("注册成功！","提示");
                }
                else
                {
                    MessageBox.Show("注册码输入错误！","提示");
                }
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
        

    }
}

效果如下：