ASS8.Klient.zarzadca.hashPliku C# (CSharp) Метод

        private string hashPliku(string plik)
        {
            if (!File.Exists(plik)) throw new Exception();
            StringBuilder sb = new StringBuilder();
            FileStream fs = new FileStream(plik, FileMode.Open);
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] hash = md5.ComputeHash(fs);
            fs.Close();
            foreach (byte hex in hash)
                sb.Append(hex.ToString("x2"));
            return sb.ToString();
        }