using System;
using System.Text;
using System.Windows.Forms;
using System.Security.Cryptography;

namespace MD5Password
{
    public partial class Main : Form
    {
        public Main() { InitializeComponent(); }

        private void Password_TextChanged(Object Sender, EventArgs Args) { MD5Password.Text = MD5String(MD5String(MD5String(MD5String(MD5String(MD5String(Password.Text)))))); }

        private String MD5String(String Input)
        {
            MD5 MD5Creator = MD5.Create();

            Byte[] InputBytes = Encoding.ASCII.GetBytes(Input);
            Byte[] PasswordHash = MD5Creator.ComputeHash(InputBytes);

            StringBuilder PasswordBuilder = new StringBuilder();
            for (Int32 Counter = 0; Counter < PasswordHash.Length; Counter++) { PasswordBuilder.Append(PasswordHash[Counter].ToString("X2")); }

            return PasswordBuilder.ToString();
        }
    }
}