using System;using System.Linq;

​

using System.Security.Cryptography;

using  System.Text;

​

public class Program

{

       private const string key = "1";

    private const string message = "Hba5587$";

    private static readonly Encoding encoding = Encoding.UTF8; 

    public static void Main(string[] args)

    {

        string md5 = GetMd5Hash(message);

        var array = Encoding.UTF8.GetBytes(md5);

        var base64 =Convert.ToBase64String(array);

​

        Console.WriteLine("MD5: {0}", md5);

        Console.WriteLine("Base64: {0}", base64);

​

        var bytesToHash = Encoding.Convert(Encoding.UTF8, Encoding.BigEndianUnicode, Encoding.UTF8.GetBytes(message));

            var result = string.Concat(MD5.Create().ComputeHash(bytesToHash).Select(b => b.ToString("X2")));

        Console.WriteLine("result: {0}", result);

    }

    public static string GetMd5Hash(string valor)

        {

            // creamos una instancia del md5

            MD5 myMd5 = MD5.Create();

            Byte[] myBytes = myMd5.ComputeHash(Encoding.Default.GetBytes(valor));

            StringBuilder strBuilder = new StringBuilder();

            foreach (Byte myByte in myBytes)

            {

                strBuilder.Append(myByte.ToString("x2"));

            }

            return strBuilder.ToString();

        }

}