using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Security.Cryptography;

using System.IO;

using System.Diagnostics;



namespace ldjReg

{

    public partial class Form1 : Form

    {

        private Dm.dmsoft dm;

        private const string key = "LuDingJi";

        public Form1()

        {

            InitializeComponent();

            RunReg("RegDll.dll /s");

            RunReg("dm.dll /s");

            RunReg("eyou.dll /s");

            dm = new Dm.dmsoft();

            if (dm.Ver() == "")

            {

                MessageBox.Show("Can't Create Object dm.dmsoft");

            }

        }

        public void RunReg(string cmd)

        {

            ProcessStartInfo pi = new ProcessStartInfo("regsvr32.exe");

            pi.Arguments = cmd;

            pi.CreateNoWindow = true;

            pi.RedirectStandardError = false;

            pi.RedirectStandardInput = false;

            pi.RedirectStandardOutput = false;

            pi.UseShellExecute = false;

            Process p = new Process();

            p.StartInfo = pi;



            p.Start();

            p.WaitForExit();

            p.Close();

        }

        /// <summary>

        /// DES加密算法

        /// sKey为8位或16位

        /// </summary>

        /// <param name="pToEncrypt">需要加密的字符串</param>

        /// <param name="sKey">密钥</param>

        /// <returns></returns>

        public string DE(string pToEncrypt, string sKey)

        {

            DESCryptoServiceProvider des = new DESCryptoServiceProvider();

            byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt);

            des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);

            des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);

            MemoryStream ms = new MemoryStream();

            CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);

            cs.Write(inputByteArray, 0, inputByteArray.Length);

            cs.FlushFinalBlock();

            StringBuilder ret = new StringBuilder();

            foreach (byte b in ms.ToArray())

            {

                ret.AppendFormat("{0:X2}", b);

            }

            ret.ToString();

            return ret.ToString();

            //return a;

        }

        public string DCode(string mCode, string key)

        {

            string dCode = "";

            char[] mCodeL = mCode.ToCharArray();

            char tmp = mCodeL[1];

            mCodeL[1] = mCodeL[mCodeL.Length - 2];

            mCodeL[mCodeL.Length - 2] = tmp;

            

            dCode = DE(new string(mCodeL), key);

            return dCode;

        }



        private void btnCreateRegCode_Click(object sender, EventArgs e)

        {

            this.txtRegCode.Text = DCode(this.txtMCode.Text.Trim(), key);

        }

    }

}