.Net常用技巧_软件注册码

using System;
using System.Collections.Generic;
using System.Text;
using System.Management;
using Utility;
using EXDataControl;
using System.Collections;
using Microsoft.Win32;

namespace MyTool
{
    public class SoftReg
    {
        /// <summary>
        /// 获取硬盘卷标号
        /// </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>
        /// 获取CPU序列号
        /// </summary>
        /// <returns></returns>
        public static 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 static 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 static int[] intCode = new int[127];    //存储密钥
        public static char[] charCode = new char[25];  //存储ASCII码
        public static int[] intNumber = new int[25];   //存储ASCII码值

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

        /// <summary>
        /// 生成注册码
        /// </summary>
        /// <returns></returns>
        public static 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();
                }
            }

            string strEncrypt = Utility.DESEncrypt.Encrypt(strAsciiName);     //加密

            return strEncrypt;
        }

        /// <summary>
        /// 生成试用版注册码(取注册码，前N位改成当前日期)
        /// </summary>
        /// <returns></returns>
        public static string GetBNum(EXDataControl.EXDataCenter dc)
        {
            string strDecrypt = Utility.DESEncrypt.Decrypt(GetRNum());  //先解密注册码
            string CurrentDateTime = dc.getServerDateTime().Substring(0, 10);

            strDecrypt = strDecrypt.Substring(10, strDecrypt.Length - 10);
            string strKey = CurrentDateTime + strDecrypt;   //10位日期+注册码后14位

            string strEncrypt = Utility.DESEncrypt.Encrypt(strKey);     //加密

            return strEncrypt;
        }

    }
}

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