.net

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Text;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO.Compression;
using System.Security.Cryptography;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        byte[] Key;
        byte[] IV;
        ICryptoTransform encryptor;
        ICryptoTransform decryptor;

        bool
        public Form1()
        {
            InitializeComponent();
            using (Rijndael myRijndael = Rijndael.Create())
            {
                IV = myRijndael.IV;
                Key = myRijndael.Key;
                encryptor = myRijndael.CreateEncryptor(Key, IV);
                decryptor = myRijndael.CreateDecryptor(Key, IV);
            }
            RunWhateva();

        }

        public void RunWhateva()
        {
            String[] tekst = File.ReadAllLines("TestFile.txt");


            Dictionary<String, List<String>> slownik = new Dictionary<string, List<String>>();

            foreach (String s in tekst)
            {
                //Array t = s.ToArray();
                //char[] t = s.ToCharArray();
                List<char> t = s.ToLower().ToList();
                t.Sort();
                String st = "";
                for (int i = 0; i < t.Count; i++)
                {
                    st += t[i];
                }
                //Console.WriteLine(st);

                if (!slownik.ContainsKey(st))
                {
                    slownik[st] = new List<string>();
                }
                slownik[st].Add(s);
            }
            List<String> myList = new List<string>();
            foreach (var key in slownik.Keys)
            {
                myList.Add(key + " " + slownik[key].Count);
            }
            myList.Sort();

            try
            {

                using (Stream fileStream = File.Open("listklucze.bin", FileMode.Create))
                {
                    if(checkBox1.Checked)
                    {

                    }
                    using (Stream cryptoStream = new CryptoStream(fileStream, encryptor, CryptoStreamMode.Write))
                    {
                        using (var stream = new GZipStream(cryptoStream, CompressionMode.Compress))
                        {
                            BinaryFormatter bin = new BinaryFormatter();
                            bin.Serialize(cryptoStream, myList);
                        }
                    }
                }
            }
            catch (IOException)
            {
            }




        }

        private void button1_Click(object sender, EventArgs e)
        {
            List<String> kupa;
            String readFromFile = String.Empty;

            using (Rijndael rijAlg = Rijndael.Create())
            {
                using (Stream fileStream = File.Open("listklucze.bin", FileMode.Open, FileAccess.Read))
                {
                    using (Stream cryptoStream = new CryptoStream(fileStream, decryptor, CryptoStreamMode.Read))
                    {
                        using (var stream = new GZipStream(cryptoStream, CompressionMode.Decompress))
                        {
                            BinaryFormatter bin = new BinaryFormatter();
                            kupa = (List<String>)bin.Deserialize(stream);
                        }
                    }
                }
            }
            foreach (String k in kupa)
            { readFromFile += k + "\n"; }
            richTextBox1.Text = readFromFile;

        }

    }

}