文件加密解密程序

using System.IO;
using System.Security.Cryptography;
using System.Threading;
using System.Windows.Forms;
using Microsoft.Win32;

namespace EncryptionSoftware
{
    class EDfunction
    {
        //定义全局变量及类对象
        private string strFile = ““;
        private string strNewFile = ““;
        private string strPwd = ““;
        private ProgressBar PBar = null;
        private Thread EThread = null;
        private Thread DThread = null;
        
        //含参数的构造函数，用来初始化全局变量及对象
        public EDfunction（string name string pwd ProgressBar pbar）
        {
            strFile = name;
            strPwd = pwd;
            PBar = pbar;
            EThread = new Thread（new ThreadStart（this.encryptionThread））;
            DThread = new Thread（new ThreadStart（this.decryptT

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-03-21 10:43  EncryptionSoftware\
     目录           0  2017-03-21 10:43  EncryptionSoftware\.vs\
     目录           0  2017-03-21 10:43  EncryptionSoftware\.vs\EncryptionSoftware\
     目录           0  2017-03-21 10:43  EncryptionSoftware\.vs\EncryptionSoftware\v15\
     文件       58880  2017-03-21 11:05  EncryptionSoftware\.vs\EncryptionSoftware\v15\.suo
     目录           0  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\
     文件        1375  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware.sln
     文件       39936  2016-09-28 10:40  EncryptionSoftware\EncryptionSoftware.suo
     目录           0  2016-04-18 12:59  EncryptionSoftware\EncryptionSoftware\bin\
     目录           0  2017-03-21 11:03  EncryptionSoftware\EncryptionSoftware\bin\Debug\
     目录           0  2016-09-28 10:40  EncryptionSoftware\EncryptionSoftware\bin\Release\
     文件        7864  2016-04-20 13:23  EncryptionSoftware\EncryptionSoftware\EDfunction.cs
     文件        5103  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware\EncryptionSoftware.csproj
     文件        4745  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\Form1.cs
     文件       10844  2017-03-21 10:54  EncryptionSoftware\EncryptionSoftware\Form1.Designer.cs
     文件      251215  2017-03-21 10:54  EncryptionSoftware\EncryptionSoftware\Form1.resx
     目录           0  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware\obj\
     目录           0  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\obj\Debug\
     文件          42  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware\obj\Debug\CoreCompileInputs.cache
     文件        7554  2017-03-21 11:04  EncryptionSoftware\EncryptionSoftware\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         912  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\obj\Debug\EncryptionSoftware.csproj.FileListAbsolute.txt
     文件        1137  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\obj\Debug\EncryptionSoftware.csproj.GenerateResource.Cache
     文件      886272  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\obj\Debug\EncryptionSoftware.exe
     文件      162428  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\obj\Debug\EncryptionSoftware.Form1.resources
     文件       34304  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\obj\Debug\EncryptionSoftware.pdb
     文件      434930  2017-03-21 11:01  EncryptionSoftware\EncryptionSoftware\obj\Debug\EncryptionSoftware.Properties.Resources.resources
     目录           0  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware\obj\Debug\TempPE\
     文件        4096  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
     目录           0  2016-04-18 12:59  EncryptionSoftware\EncryptionSoftware\obj\x86\
     目录           0  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware\obj\x86\Debug\
     文件          42  2017-03-21 10:43  EncryptionSoftware\EncryptionSoftware\obj\x86\Debug\CoreCompileInputs.cache
............此处省略36个文件信息