Crisis.Ionic.Zip.ZipEntry.CalcWinZipAesMac C# (CSharp) Метод

        internal void CalcWinZipAesMac(Stream input)
        {
            if (Encryption == EncryptionAlgorithm.WinZipAes128 ||
                Encryption == EncryptionAlgorithm.WinZipAes256)
            {
                if (input is WinZipAesCipherStream)
                    wzs = input as WinZipAesCipherStream;

                else if (input is Ionic.Zlib.CrcCalculatorStream)
                {
                    xxx;
                }

            }
        }
#endif