Console.WriteLine("read file in calc in");
                        int dc = 0, lastCounts = 0;
                        if (fsLenght % 104857500 == 0)
                            dc = (int)((long)(fsLenght / 104857500));
                        else
                        {
                            dc = (int)((long)(fsLenght / 104857500));
                            lastCounts = (int)((long)(fsLenght - 104857500 * dc));
                        }
                        Console.WriteLine("calc out, packs = " + (dc + 1));
                        long index = 0;
                        for (int i = 0; i < dc + 1; i++)
                        {
                            Console.WriteLine("for in");
                            if (i != dc)
                            {
                                Console.WriteLine((i + 1) + "pack in");
                                byte[] bytes = new byte[104857500];
                                using (FileStream fs = new FileStream(@filePath, FileMode.Open, FileAccess.Read))
                                {
                                    if (fs.CanSeek)
                                    {
                                        index += 104857500;
                                        fs.Seek(index, SeekOrigin.Begin);
                                        fs.Read(bytes, 0, bytes.Length);
                                        BC bC = new BC();
                                        c = bC;
                                        using (FileStream filestream = new FileStream(@folderPath + "\\cfile.nen", FileMode.Append, FileAccess.Write))
                                        {
                                            if (filestream.CanSeek)
                                            {
                                                filestream.Seek(index, SeekOrigin.Begin);
                                                filestream.Write(c.En(mood, _key, bytes), 0, 104857500);
                                                bytes = null;
                                                filestream.Close();
                                            }
                                        }
                                    }
                                    fs.Close();
                                }
                                Console.WriteLine((i + 1) + "pack out");
                            }
                            else
                            {
                                Console.WriteLine((i + 1) + "pack in");
                                byte[] bytes = new byte[lastCounts];
                                using (FileStream fs = new FileStream(@filePath, FileMode.Open, FileAccess.Read))
                                {
                                    if (fs.CanSeek)
                                    {
                                        index += 104857500;
                                        fs.Seek(index, SeekOrigin.Begin);
                                        fs.Read(bytes, 0, lastCounts);
                                        fs.Close();
                                        using (FileStream filestream = new FileStream(@folderPath + "\\cfile.nen", FileMode.Append, FileAccess.Write))
                                        {
                                            char[] splitter = { '\\' };
                                            string[] dir = filePath.Split(splitter);
                                            byte[] format = Encoding.UTF8.GetBytes("*|f*4-sy7d" + dir[dir.Length - 1]);
                                            byte[] array = new byte[bytes.Length + format.Length];
                                            for (int a = 0, s = 0; a < array.Length; a++)
                                            {
                                                if (a < bytes.Length)
                                                {
                                                    array[a] = bytes[a];
                                                }
                                                else
                                                {
                                                    array[a] = format[s];
                                                    s++;
                                                }
                                            }
                                            bytes = null;
                                            BC bC = new BC();
                                            c = bC;
                                            if (filestream.CanSeek)
                                            {
                                                filestream.Seek(index, SeekOrigin.Begin);
                                                filestream.Write(c.En(mood, _key, array), 0, array.Length);
                                                array = null;
                                                filestream.Close();
                                            }
                                        }
                                    }
                                }
                                Console.WriteLine((i + 1) + "pack out");
                            }
                            Console.WriteLine("for out");
                        }
                        Console.WriteLine("read file out");