[Napisz sam] Program do szyfrowania tekstu

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Security.Cryptography;
using System.Diagnostics;


namespace SzyfrowanieMD5_csharp
{

    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();


        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            txtBlock.Text = MD5(txtBox.Text);
        }

        private string MD5(string Value)
        {
            System.Security.Cryptography.MD5CryptoServiceProvider x = new System.Security.Cryptography.MD5CryptoServiceProvider();
            byte[] data = System.Text.Encoding.ASCII.GetBytes(Value);
            data = x.ComputeHash(data);
            string ret = "";
            for (int i = 0; i < data.Length; i++)
                ret += data[i].ToString("x2").ToLower();
            return ret;
        }

        public static string sha1encrypt(string phrase)
        {
            UTF8Encoding encoder = new UTF8Encoding();
            SHA1CryptoServiceProvider sha1hasher = new SHA1CryptoServiceProvider();
            byte[] hashedDataBytes = sha1hasher.ComputeHash(encoder.GetBytes(phrase));
            return byteArrayToString(hashedDataBytes);
        }

        public static string sha256encrypt(string phrase)
        {
            UTF8Encoding encoder = new UTF8Encoding();
            SHA256Managed sha256hasher = new SHA256Managed();
            byte[] hashedDataBytes = sha256hasher.ComputeHash(encoder.GetBytes(phrase));
            return byteArrayToString(hashedDataBytes);
        }
        public static string sha384encrypt(string phrase)
        {
            UTF8Encoding encoder = new UTF8Encoding();
            SHA384Managed sha384hasher = new SHA384Managed();
            byte[] hashedDataBytes = sha384hasher.ComputeHash(encoder.GetBytes(phrase));
            return byteArrayToString(hashedDataBytes);
        }
        public static string sha512encrypt(string phrase)
        {
            UTF8Encoding encoder = new UTF8Encoding();
            SHA512Managed sha512hasher = new SHA512Managed();
            byte[] hashedDataBytes = sha512hasher.ComputeHash(encoder.GetBytes(phrase));
            return byteArrayToString(hashedDataBytes);
        }
        public static string byteArrayToString(byte[] inputArray)
        {
            StringBuilder output = new StringBuilder("");
            for (int i = 0; i < inputArray.Length; i++)
            {
                output.Append(inputArray[i].ToString("X2"));
            }
            return output.ToString();
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            txtBlock.Text = sha256encrypt(txtBox.Text);
        }

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            Process.Start("chrome.exe");
        }


    }
}