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  • C#生成软件注册码

    开发软件时,当用到商业用途时,注册码与激活码就显得很重要了。现在的软件破解技术实在在强了,各种国内外大型软件都有注册机制,但同时也不断地被破解。下面发的只是一个常用版本,发出源码被破就更容易了,但我们学习的是技术。当然也为以后自己的软件不会被轻易破解。

    第一步。根据卷标,CPU序列号,生成机器码

    // 取得设备硬盘的卷标号

            public static string GetDiskVolumeSerialNumber()

            {

                ManagementClass mc = new ManagementClass(“Win32_NetworkAdapterConfiguration”);

                ManagementObject disk = new ManagementObject(“win32_logicaldisk.deviceid=”d:”");

                disk.Get();

                return disk.GetPropertyValue(“VolumeSerialNumber”).ToString();

            }

            //获得CPU的序列号

            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;

            }

            //生成机器码

            public static string getMNum()

            {

                string strNum = getCpu() + GetDiskVolumeSerialNumber();//获得24位Cpu和硬盘序列号

                string strMNum = strNum.Substring(0, 24);//从生成的字符串中取出前24个字符做为机器码

                return strMNum;

            }

            public static int[] intCode = new int[127];//存储密钥

            public static int[] intNumber = new int[25];//存机器码的Ascii值

            public static char[] Charcode = new char[25];//存储机器码字

            public static void setIntCode()//给数组赋值小于10的数

            {

                for (int i = 1; i < intCode.Length; i++)

                {

                    intCode[i] = i % 9;

                }

            }

    第二步。根据机器码 生成注册码

            //生成注册码    

           public static string getRNum()

            {

                setIntCode();//初始化127位数组

                for (int i = 1; i < Charcode.Length; i++)//把机器码存入数组中

                {

                    Charcode[i] = Convert.ToChar(getMNum().Substring(i – 1, 1));

                }

                for (int j = 1; j < intNumber.Length; j++)//把字符的ASCII值存入一个整数组中。

                {

                    intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);

                }

                string strAsciiName = “”;//用于存储注册码

                for (int j = 1; j < intNumber.Length; j++)

                {

                    if (intNumber[j] >= 48 && intNumber[j] <= 57)//判断字符ASCII值是否0-9之间

                    {

                        strAsciiName += Convert.ToChar(intNumber[j]).ToString();

                    }

                    else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判断字符ASCII值是否A-Z之间

                    {

                        strAsciiName += Convert.ToChar(intNumber[j]).ToString();

                    }

                    else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判断字符ASCII值是否a-z之间

                    {

                        strAsciiName += Convert.ToChar(intNumber[j]).ToString();

                    }

                    else//判断字符ASCII值不在以上范围内

                    {

                        if (intNumber[j] > 122)//判断字符ASCII值是否大于z

                        {

                            strAsciiName += Convert.ToChar(intNumber[j] – 10).ToString();

                        }

                        else

                        {

                            strAsciiName += Convert.ToChar(intNumber[j] – 9).ToString();

                        }

                    }

                }

                return strAsciiName;

            }

    第三步。检查注册状况,若没有注册,可自定义试用     

    /// <summary>

            /// 检查注册

            /// </summary>

            private void CheckRegist()

            {

                    this.btn_reg.Enabled = true;

                      RegistryKey retkey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(“software”, true).CreateSubKey(“wxk”).CreateSubKey(“wxk.INI”);

                    foreach (string strRNum in retkey.GetSubKeyNames())//判断是否注册

                    {

                        if (strRNum == clsTools.getRNum())

                        {

                            thControl(true);

                            return;

                        }

                    }

                    thControl(false);

                    Thread th2 = new Thread(new ThreadStart(thCheckRegist2));

                    th2.Start();

              }

            }

        

            /// <summary>

            /// 验证试用次数

            /// </summary>

            private static void thCheckRegist2()

            {

                MessageBox.Show(“您现在使用的是试用版,该软件可以免费试用3000000次!”, “提示”, MessageBoxButtons.OK, MessageBoxIcon.Information);

                Int32 tLong;

                try

                {

                    tLong = (Int32)Registry.GetValue(“HKEY_LOCAL_MACHINESOFTWAREangel”, “UseTimes”, 0);

                    MessageBox.Show(“感谢您已使用了” + tLong + “次”, “提示”, MessageBoxButtons.OK, MessageBoxIcon.Information);

                }

                catch

                {

                    Registry.SetValue(“HKEY_LOCAL_MACHINESOFTWAREangel”, “UseTimes”, 0, RegistryValueKind.DWord);

                    MessageBox.Show(“欢迎新用户使用本软件”, “提示”, MessageBoxButtons.OK, MessageBoxIcon.Information);

                }

                tLong = (Int32)Registry.GetValue(“HKEY_LOCAL_MACHINESOFTWAREangel”, “UseTimes”, 0);

                if (tLong < 3000000)

                {

                    int Times = tLong + 1;

                    Registry.SetValue(“HKEY_LOCAL_MACHINESOFTWAREangel”, “UseTimes”, Times);

                }

                else

                {

                    MessageBox.Show(“试用次数已到”, “警告”, MessageBoxButtons.OK, MessageBoxIcon.Warning);

                    Application.Exit();

                }

            }

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  • 原文地址:https://www.cnblogs.com/gc2013/p/3976606.html
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