通过cpu SN码注册软件类

 using System;
 using System.Management;

 namespace SoftReg
 {
     internal class SoftReg
     {
         #region 变量
         public int[] IntCode = new int[]; //存储密钥
         public char[] CharCode = new char[]; //存储ASCII码
         public int[] IntNumber = new int[]; //存储ASCII码值
         #endregion

         #region 方法
         /// <summary>
         /// 初始化存储密钥
         /// </summary>
         public void SetIntCode()
         {
             for (int i = ; i < IntCode.Length; i++)
             {
                 IntCode[i] = i % ;
             }
         }

         ///<summary>
         /// 获取硬盘卷标号
         ///</summary>
         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>
         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(机器码由CPU序列号+硬盘卷标号合成)----可扩展
         ///</summary>
         public string GetMNum()
         {
             string strNum = GetCpu() + GetDiskVolumeSerialNumber();
             string strMNum = strNum.Substring(, ); //截取前24位作为机器码
             return strMNum;
         }

         ///<summary>
         /// 生成注册码（根据本机机器码生成注册码）
         ///</summary>
         public string GetRNum()
         {
             SetIntCode();
             string strMNum = GetMNum();
             for (int i = ; i < CharCode.Length; i++) //存储机器码
             {
                 CharCode[i] = Convert.ToChar(strMNum.Substring(i - , ));
             }
             for (int j = ; 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 = ; k < IntNumber.Length; k++) //生成注册码
             {

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

         ///<summary>
         /// 生成注册码（根据传入的机器码生成注册码）
         ///</summary>
         ///<returns>机器码</returns>
         public string GetRNum(string machineStr)
         {
             SetIntCode();
             string strMNum = machineStr;
             for (int i = ; i < CharCode.Length; i++) //存储机器码
             {
                 CharCode[i] = Convert.ToChar(strMNum.Substring(i - , ));
             }
             for (int j = ; 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 = ; k < IntNumber.Length; k++) //生成注册码
             {

                 if ((IntNumber[k] >=  && IntNumber[k] <= ) || (IntNumber[k] >=  && IntNumber[k]
                                                                    <= ) || (IntNumber[k] >=  && IntNumber[k] <= ))
                 //判断如果在0-9、A-Z、a-z之间
                 {
                     strAsciiName += Convert.ToChar(IntNumber[k]).ToString();
                 }
                 else if (IntNumber[k] > ) //判断如果大于z
                 {
                     strAsciiName += Convert.ToChar(IntNumber[k] - ).ToString();
                 }
                 else
                 {
                     strAsciiName += Convert.ToChar(IntNumber[k] - ).ToString();
                 }
             }
             return strAsciiName;
         }
         #endregion
     }
 }