using System;

using System.Text;

using System.Security.Cryptography;

using System.Linq;

public class Program

{

    public static string Encrypter(HashAlgorithm algorimt, string strHashing)

        {

            var result = algorimt.ComputeHash(Encoding.UTF8.GetBytes(strHashing));

            var builder = new StringBuilder();

            foreach (var b in result)

            {

                builder.AppendFormat("{0:x2}", b);

            }

            return builder.ToString();

        }

    private static Random random = new Random();

    public static string RandomString(int length)

    {

        const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

        return new string(Enumerable.Repeat(chars, length)

          .Select(s => s[random.Next(s.Length)]).ToArray());

    }

    public static void Main()

    {

        Console.WriteLine(Encrypter(new MD5CryptoServiceProvider(), "mypassword"));

        Console.WriteLine(RandomString(12));

        Console.WriteLine(Guid.NewGuid());

    }

}