public static string RipeMd160Hash(this Byte[] bytes)
 {
     var memoryStream = new MemoryStream(bytes);
     return memoryStream.CryptoHash<RIPEMD160Managed>();
 }
        public static string Sha512Hash(this Byte[] bytes)
        {
            var memoryStream = new MemoryStream(bytes);

            return memoryStream.CryptoHash<SHA512CryptoServiceProvider>();
        }
 public static string Md5Hash(this Byte[] bytes)
 {
     var memoryStream = new MemoryStream(bytes);
     return memoryStream.CryptoHash<MD5CryptoServiceProvider>();
 }