using System;

using System.Collections.Generic;

using System.Text;

using System.Security.Cryptography;

using System.Xml;

using System.IO;



namespace EncryptConfig

{

    class Program

    {

        static void Main(string[] args)

        {

            string password = GetAppSetting("Password");

            UpdateAppSetting("Password", Encrypt(password));

            Console.WriteLine("密码节点已加密!");

            string gmailPassword = GetAppSetting("GmailPassword");

            UpdateAppSetting("GmailPassword", Encrypt(gmailPassword));

            Console.WriteLine("Gmail密码节点已加密!");

            Console.ReadLine();

        }

        public static string Encrypt(string toEncrypt)

        {

            string result = Encrypt(toEncrypt, "haozesfx");

            return string.Concat(result, "encrypt");

        }



        public static void UpdateAppSetting(string key, string value)

        {

            string configPath =Path.Combine(AppDomain.CurrentDomain.BaseDirectory , "HaozesFx.exe.config");

            XmlDocument doc = new XmlDocument();

            doc.Load(configPath);

            XmlNode node = doc.SelectSingleNode(string.Format(@"//add[@key='{0}']",key));

            XmlElement ele = (XmlElement)node;

            ele.SetAttribute("value", value);

            doc.Save(configPath);

        }

        public static string GetAppSetting(string key)

        {

            string configPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "HaozesFx.exe.config");

            XmlDocument doc = new XmlDocument();

            doc.Load(configPath);

            XmlNode node = doc.SelectSingleNode(string.Format(@"//add[@key='{0}']", key));

            XmlElement ele = (XmlElement)node;

            return ele.GetAttribute("value");

        }

        /// <summary>

        /// DES加密。

        /// </summary>

        public static string Encrypt(string pToEncrypt, string sKey)

        {

            using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())

            {

                byte[] inputByteArray = Encoding.UTF8.GetBytes(pToEncrypt);

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

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

                System.IO.MemoryStream ms = new System.IO.MemoryStream();

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

                {

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

                    cs.FlushFinalBlock();

                    cs.Close();

                }

                string str = Convert.ToBase64String(ms.ToArray());

                ms.Close();

                return str;

            }

        }



    }

}