Cafe/Cafe2/Encrypt.cs

using System.Security.Cryptography;
using System.Text;

namespace Cafe
{
    public class Encrypt
    {
        public static string Hash(string password)
        {
            byte[] bytes = Encoding.Unicode.GetBytes(password);

            MD5CryptoServiceProvider CSP = new MD5CryptoServiceProvider();

            byte[] byteHash = CSP.ComputeHash(bytes);

            string hash = string.Empty;

            foreach (byte b in byteHash)
            {
                hash += string.Format("{0:x2}", b);
            }
            return hash;
        }
    }
}