PasswordHelper (create hashed password with salt and verify on access)

PasswordHelper.cs

 public class PasswordHelper
    {

        public static Byte[] GerenateSalt()
        {
            byte[] saltBytes = new byte[128];
            RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
            rng.GetNonZeroBytes(saltBytes);
            return saltBytes;
        }

        public static Byte[] CalculaHashedPassword(String password, Byte[] saltByteArray)
        {
            MD5CryptoServiceProvider x = new MD5CryptoServiceProvider();
            byte[] passwordByteArray = System.Text.Encoding.UTF8.GetBytes(password);

            byte[] bs = new byte[passwordByteArray.Length + saltByteArray.Length];
            System.Buffer.BlockCopy(passwordByteArray, 0, bs, 0, passwordByteArray.Length);
            System.Buffer.BlockCopy(saltByteArray, 0, bs, passwordByteArray.Length, saltByteArray.Length);

            bs = x.ComputeHash(bs);

            return bs;
        }

        public static Boolean CheckPassword(String password, Byte[] hashedPassword, Byte[] salt)
        {
            return hashedPassword.SequenceEqual(CalculaHashedPassword(password, salt));
        }

    }