C#学习笔记——软件注册与注册机

（一）软件的实现：

SoftReg类：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Management;    //需要引用System.Management.dll

namespace SoftRegister
{
    class SoftReg
    {
        ///<summary>
        /// 获取硬盘卷标号
        ///</summary>
        ///<returns></returns>
        public string GetDiskVolumeSerialNumber()
        {
            ManagementClass mc = new ManagementClass("win32_NetworkAdapterConfiguration");
            ManagementObject disk = new ManagementObject("win32_logicaldisk.deviceid=\"c:\"");
            disk.Get();
            return disk.GetPropertyValue("VolumeSerialNumber").ToString();
        }

        ///<summary>
        /// 获取CPU序列号
        ///</summary>
        ///<returns></returns>
        public string GetCpu()
        {
            string strCpu = null;
            ManagementClass myCpu = new ManagementClass("win32_Processor");
            ManagementObjectCollection myCpuCollection = myCpu.GetInstances();
            foreach (ManagementObject myObject in myCpuCollection)
            {
                strCpu = myObject.Properties["Processorid"].Value.ToString();
            }
            return strCpu;
        }

        ///<summary>
        /// 生成机器码
        ///</summary>
        ///<returns></returns>
        public string GetMNum()
        {
            string strNum = GetCpu() + GetDiskVolumeSerialNumber();
            string strMNum = strNum.Substring(0, 24);    //截取前24位作为机器码
            return strMNum;
        }

        public int[] intCode = new int[127];    //存储密钥
        public char[] charCode = new char[25];  //存储ASCII码
        public int[] intNumber = new int[25];   //存储ASCII码值

        //初始化密钥
        public void SetIntCode()
        {
            for (int i = 1; i < intCode.Length; i++)
            {
                intCode[i] = i % 9;
            }
        }

        ///<summary>
        /// 生成注册码
        ///</summary>
        ///<returns></returns>
        public string GetRNum()
        {
            SetIntCode();
            string strMNum = GetMNum();
            for (int i = 1; i < charCode.Length; i++)   //存储机器码
            {
                charCode[i] = Convert.ToChar(strMNum.Substring(i - 1, 1));
            }
            for (int j = 1; j < intNumber.Length; j++)  //改变ASCII码值
            {
                intNumber[j] = Convert.ToInt32(charCode[j]) + intCode[Convert.ToInt32(charCode[j])];
            }
            string strAsciiName = "";   //注册码
            for (int k = 1; k < intNumber.Length; k++)  //生成注册码
            {

                if ((intNumber[k] >= 48 && intNumber[k] <= 57) || (intNumber[k] >= 65 && intNumber[k]
                    <= 90) || (intNumber[k] >= 97 && intNumber[k] <= 122))  //判断如果在0-9、A-Z、a-z之间
                {
                    strAsciiName += Convert.ToChar(intNumber[k]).ToString();
                }
                else if (intNumber[k] > 122)  //判断如果大于z
                {
                    strAsciiName += Convert.ToChar(intNumber[k] - 10).ToString();
                }
                else
                {
                    strAsciiName += Convert.ToChar(intNumber[k] - 9).ToString();
                }
            }
            return strAsciiName;
        }
    }
}

主窗体：

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 Microsoft.Win32;

namespace SoftRegister
{
    public partial class FormMain : Form
    {
        public FormMain()
        {
            InitializeComponent();
        }

        SoftReg softReg = new SoftReg();

        private void FormMain_Load(object sender, EventArgs e)
        {
            //判断软件是否注册
            RegistryKey retkey = Registry.CurrentUser.OpenSubKey("SOFTWARE", true).CreateSubKey("mySoftWare").CreateSubKey("Register.INI");
            foreach (string strRNum in retkey.GetSubKeyNames())
            {
                if (strRNum == softReg.GetRNum())
                {
                    this.labRegInfo.Text = "此软件已注册！";
                    this.btnReg.Enabled = false;
                    return;
                }
            }
            this.labRegInfo.Text = "此软件尚未注册！";
            this.btnReg.Enabled = true;
            MessageBox.Show("您现在使用的是试用版，可以免费试用30次！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);

            Int32 tLong;    //已使用次数
            try
            {
                tLong = (Int32)Registry.GetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\mySoftWare", "UseTimes", 0);
                MessageBox.Show("您已经使用了" + tLong + "次！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch
            {
                MessageBox.Show("欢迎使用本软件！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
                Registry.SetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\mySoftWare", "UseTimes", 0, RegistryValueKind.DWord);
            }

            //判断是否可以继续试用
            tLong = (Int32)Registry.GetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\mySoftWare", "UseTimes", 0);
            if (tLong < 30)
            {
                int tTimes = tLong + 1;
                Registry.SetValue("HKEY_LOCAL_MACHINE\\SOFTWARE\\mySoftWare", "UseTimes", tTimes);
            }
            else
            {
                DialogResult result = MessageBox.Show("试用次数已到！您是否需要注册？", "信息", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
                if (result == DialogResult.Yes)
                {
                    FormRegister.state = false; //设置软件状态为不可用
                    btnReg_Click(sender, e);    //打开注册窗口
                }
                else
                {
                    Application.Exit();
                }
            }

        }

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

        private void btnReg_Click(object sender, EventArgs e)
        {
            FormRegister frmRegister = new FormRegister();
            frmRegister.ShowDialog();
        }
    }
}

注册窗体：

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 Microsoft.Win32;

namespace SoftRegister
{
    public partial class FormRegister : Form
    {
        public FormRegister()
        {
            InitializeComponent();
        }

        public static bool state = true;  //软件是否为可用状态
        SoftReg softReg = new SoftReg();

        private void btnReg_Click(object sender, EventArgs e)
        {
            try
            {
                if (txtLicence.Text == softReg.GetRNum())
                {
                    MessageBox.Show("注册成功！重启软件后生效！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    RegistryKey retkey = Registry.CurrentUser.OpenSubKey("Software", true).CreateSubKey("mySoftWare").CreateSubKey("Register.INI").CreateSubKey(txtLicence.Text);
                    retkey.SetValue("UserName", "Rsoft");
                    this.Close();
                }
                else
                {
                    MessageBox.Show("注册码错误！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    txtLicence.SelectAll();
                }
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            if (state == true)
            {
                this.Close();
            }
            else
            {
                Application.Exit();
            }
        }

        private void FormRegister_Load(object sender, EventArgs e)
        {
            this.txtHardware.Text = softReg.GetMNum();
        }
    }
}

（二）注册机的实现：

SoftReg类：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Management;

namespace SoftwarePassport
{
    class SoftReg
    {
        public int[] intCode = new int[127];    //存储密钥
        public char[] charCode = new char[25];  //存储ASCII码
        public int[] intNumber = new int[25];   //存储ASCII码值

        //初始化密钥
        public void SetIntCode()
        {
            for (int i = 1; i < intCode.Length; i++)
            {
                intCode[i] = i % 9;
            }
        }

        ///<summary>
        /// 生成注册码
        ///</summary>
        ///<returns></returns>
        public string GetRNum(string strMNum)
        {
            SetIntCode();

            for (int i = 1; i < charCode.Length; i++)   //存储机器码
            {
                charCode[i] = Convert.ToChar(strMNum.Substring(i - 1, 1));
            }
            for (int j = 1; j < intNumber.Length; j++)  //改变ASCII码值
            {
                intNumber[j] = Convert.ToInt32(charCode[j]) + intCode[Convert.ToInt32(charCode[j])];
            }
            string strAsciiName = "";   //注册码
            for (int k = 1; k < intNumber.Length; k++)  //生成注册码
            {

                if ((intNumber[k] >= 48 && intNumber[k] <= 57) || (intNumber[k] >= 65 && intNumber[k]
                    <= 90) || (intNumber[k] >= 97 && intNumber[k] <= 122))  //判断如果在0-9、A-Z、a-z之间
                {
                    strAsciiName += Convert.ToChar(intNumber[k]).ToString();
                }
                else if (intNumber[k] > 122)  //判断如果大于z
                {
                    strAsciiName += Convert.ToChar(intNumber[k] - 10).ToString();
                }
                else
                {
                    strAsciiName += Convert.ToChar(intNumber[k] - 9).ToString();
                }
            }
            return strAsciiName;
        }
    }
}

主窗体：

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;

namespace SoftwarePassport
{
    public partial class FormMain : Form
    {
        public FormMain()
        {
            InitializeComponent();
        }

        SoftReg softReg = new SoftReg();

        private void btnCreate_Click(object sender, EventArgs e)
        {
            try
            {
                string strHardware = this.txtHardware.Text;
                string strLicence = softReg.GetRNum(strHardware);
                this.txtLicence.Text = strLicence;
            }
            catch (System.Exception ex)
            {
                MessageBox.Show("输入的机器码格式错误！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
            }
        }

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