Example #1
0
        // Entrypoint
        static void Main(string[] args)
        {
            Console.WriteLine("");
            Console.WriteLine("-----------------------------------------------------");
            Console.WriteLine("Hacbuild by LucaFraga. Modded by JulesOnTheRoad. v1.1");
            Console.WriteLine("-----------------------------------------------------");
            Console.WriteLine("github.com/julesontheroad/hacbuild");
            // Configure AES
            AES128CBC.BlockSize = 128;
            AES128CBC.Mode      = CipherMode.CBC;
            AES128CBC.Padding   = PaddingMode.Zeros;
            if (args.Length < 2)
            {
                PrintUsage();
                return;
            }


            switch (args[0])
            {
            case "read":
                switch (args[1])
                {
                case "xci":
                    if (args.Length < 3)
                    {
                        PrintUsage();
                        return;
                    }
                    Console.WriteLine("Reading {0}", args[2]);
                    XCIManager.xci_header    header = XCIManager.GetXCIHeader(args[2]);
                    XCIManager.gamecard_info gcInfo = XCIManager.DecryptGamecardInfo(header);


                    Console.WriteLine(header.ToString());
                    Console.WriteLine(gcInfo.ToString());

                    Directory.CreateDirectory(args[3]);
                    string folder  = args[3];
                    string iniPath = Path.Combine(folder, Path.GetFileNameWithoutExtension(args[2])) + ".ini";

                    IniFile ini = new IniFile(iniPath);

                    ini.Write("PackageID", header.PackageID.ToString(), "XCI_Header");
                    ini.WriteBytes("GamecardIV", header.GamecardIV, "XCI_Header");
                    ini.Write("KEKIndex", header.KEK.ToString(), "XCI_Header");
                    ini.WriteBytes("InitialDataHash", header.InitialDataHash, "XCI_Header");

                    ini.Write("Version", gcInfo.Version.ToString(), "GameCard_Info");
                    ini.Write("AccessControlFlags", gcInfo.AccessControlFlags.ToString(), "GameCard_Info");
                    ini.Write("ReadWaitTime", gcInfo.ReadWaitTime.ToString(), "GameCard_Info");
                    ini.Write("ReadWaitTime2", gcInfo.ReadWaitTime2.ToString(), "GameCard_Info");
                    ini.Write("WriteWriteTime", gcInfo.WriteWriteTime.ToString(), "GameCard_Info");
                    ini.Write("WriteWriteTime2", gcInfo.WriteWriteTime2.ToString(), "GameCard_Info");
                    ini.Write("FirmwareMode", gcInfo.FirmwareMode.ToString(), "GameCard_Info");
                    ini.Write("CUPVersion", gcInfo.CUPVersion.ToString(), "GameCard_Info");
                    ini.Write("CUPID", gcInfo.CUPID.ToString(), "GameCard_Info");
                    // end dump to ini
                    break;

                default:
                    Console.WriteLine("Usage: hacbuild.exe read xci <IN>");
                    break;
                }
                break;

            case "gameinfo_ini":
                switch (args[1])
                {
                case "xci":
                    if (args.Length < 3)
                    {
                        PrintUsage();
                        return;
                    }
                    Console.WriteLine("Reading {0}", args[2]);
                    XCIManager.xci_header    header = XCIManager.GetXCIHeader(args[2]);
                    XCIManager.gamecard_info gcInfo = XCIManager.DecryptGamecardInfo(header);

                    Console.WriteLine(header.ToString());
                    Console.WriteLine(gcInfo.ToString());

                    Directory.CreateDirectory(args[3]);
                    string folder  = args[3];
                    string iniPath = folder + "/game_info.ini";

                    IniFile ini = new IniFile(iniPath);

                    ini.Write("PackageID", header.PackageID.ToString(), "XCI_Header");
                    ini.WriteBytes("GamecardIV", header.GamecardIV, "XCI_Header");
                    ini.Write("KEKIndex", header.KEK.ToString(), "XCI_Header");
                    ini.WriteBytes("InitialDataHash", header.InitialDataHash, "XCI_Header");

                    ini.Write("Version", gcInfo.Version.ToString(), "GameCard_Info");
                    ini.Write("AccessControlFlags", gcInfo.AccessControlFlags.ToString(), "GameCard_Info");
                    ini.Write("ReadWaitTime", gcInfo.ReadWaitTime.ToString(), "GameCard_Info");
                    ini.Write("ReadWaitTime2", gcInfo.ReadWaitTime2.ToString(), "GameCard_Info");
                    ini.Write("WriteWriteTime", gcInfo.WriteWriteTime.ToString(), "GameCard_Info");
                    ini.Write("WriteWriteTime2", gcInfo.WriteWriteTime2.ToString(), "GameCard_Info");
                    ini.Write("FirmwareMode", gcInfo.FirmwareMode.ToString(), "GameCard_Info");
                    ini.Write("CUPVersion", gcInfo.CUPVersion.ToString(), "GameCard_Info");
                    ini.Write("CUPID", gcInfo.CUPID.ToString(), "GameCard_Info");
                    // end dump to ini
                    break;

                default:
                    Console.WriteLine("Usage: hacbuild.exe read xci <IN>");
                    break;
                }
                break;

            case "hfs0":
                if (args.Length < 3)
                {
                    PrintUsage();
                    return;
                }
                string multiplier = HFS0Manager.xci_multiplier(args[1]);
                HFS0Manager.BuildHFS0(args[1], args[2], multiplier);
                Console.WriteLine("Done");
                break;

            case "root_hfs0":
                if (args.Length < 3)
                {
                    PrintUsage();
                    return;
                }
                HFS0Manager.BuildHFS0(args[1], args[2], args[3]);
                break;

            case "xci":
                if (args.Length < 3)
                {
                    PrintUsage();
                    return;
                }
                XCIManager.BuildXCI(args[1], args[2]);
                Console.WriteLine("Done");
                break;

            case "xci_auto":
                if (args.Length < 3)
                {
                    PrintUsage();
                    return;
                }
                string inPath  = Path.Combine(Environment.CurrentDirectory, args[1]);
                string outPath = Path.Combine(Environment.CurrentDirectory, args[2]);
                string tmpPath = Path.Combine(inPath, "root_tmp");
                Directory.CreateDirectory(tmpPath);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build secure partition");
                Console.WriteLine("....................................");
                string multiplier1 = HFS0Manager.xci_multiplier(Path.Combine(inPath, "secure"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath, "secure"), Path.Combine(tmpPath, "secure"), multiplier1);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build normal partition");
                Console.WriteLine("....................................");
                string multiplier2 = HFS0Manager.xci_multiplier(Path.Combine(inPath, "normal"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath, "normal"), Path.Combine(tmpPath, "normal"), multiplier2);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build update partition");
                Console.WriteLine("....................................");
                string multiplier3 = HFS0Manager.xci_multiplier(Path.Combine(inPath, "update"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath, "update"), Path.Combine(tmpPath, "update"), multiplier3);
                if (Directory.Exists(Path.Combine(inPath, "logo")))
                {
                    Console.WriteLine("....................................");
                    Console.WriteLine("Preparing to build logo partition");
                    Console.WriteLine("....................................");
                    string multiplier4 = HFS0Manager.xci_multiplier(Path.Combine(inPath, "logo"));
                    HFS0Manager.BuildHFS0(Path.Combine(inPath, "logo"), Path.Combine(tmpPath, "logo"), multiplier4);
                }
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build root.hfs0");
                Console.WriteLine("....................................");
                HFS0Manager.BuildHFS0(tmpPath, Path.Combine(inPath, "root.hfs0"), multiplier1);
                Directory.Delete(tmpPath, true);
                Console.WriteLine("....................................");
                Console.WriteLine("Building xci");
                Console.WriteLine("....................................");
                XCIManager.BuildXCI(inPath, outPath);
                Console.WriteLine("DONE");
                Console.WriteLine("....................................");
                Console.WriteLine("Erasing root.hfs0");
                Console.WriteLine("....................................");
                File.Delete(Path.Combine(inPath, "root.hfs0"));
                Console.WriteLine("DONE");
                break;

            case "xci_auto_del":
                if (args.Length < 3)
                {
                    PrintUsage();
                    return;
                }
                string inPath_d  = Path.Combine(Environment.CurrentDirectory, args[1]);
                string outPath_d = Path.Combine(Environment.CurrentDirectory, args[2]);
                string tmpPath_d = Path.Combine(inPath_d, "root_tmp");
                Directory.CreateDirectory(tmpPath_d);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build secure partition");
                Console.WriteLine("....................................");
                string multiplier1_d = HFS0Manager.xci_multiplier(Path.Combine(inPath_d, "secure"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_d, "secure"), Path.Combine(tmpPath_d, "secure"), multiplier1_d);
                Directory.Delete(Path.Combine(inPath_d, "secure"), true);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build normal partition");
                Console.WriteLine("....................................");
                string multiplier2_d = HFS0Manager.xci_multiplier(Path.Combine(inPath_d, "normal"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_d, "normal"), Path.Combine(tmpPath_d, "normal"), multiplier2_d);
                Console.WriteLine("....................................");
                Directory.Delete(Path.Combine(inPath_d, "normal"), true);
                Console.WriteLine("Preparing to build update partition");
                Console.WriteLine("....................................");
                string multiplier3_d = HFS0Manager.xci_multiplier(Path.Combine(inPath_d, "update"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_d, "update"), Path.Combine(tmpPath_d, "update"), multiplier3_d);
                Directory.Delete(Path.Combine(inPath_d, "update"), true);
                if (Directory.Exists(Path.Combine(inPath_d, "logo")))
                {
                    Console.WriteLine("....................................");
                    Console.WriteLine("Preparing to build logo partition");
                    Console.WriteLine("....................................");
                    string multiplier4 = HFS0Manager.xci_multiplier(Path.Combine(inPath_d, "logo"));
                    HFS0Manager.BuildHFS0(Path.Combine(inPath_d, "logo"), Path.Combine(tmpPath_d, "logo"), multiplier4);
                    Directory.Delete(Path.Combine(inPath_d, "logo"), true);
                }
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build root.hfs0");
                Console.WriteLine("....................................");
                HFS0Manager.BuildHFS0(tmpPath_d, Path.Combine(inPath_d, "root.hfs0"), multiplier1_d);
                Directory.Delete(tmpPath_d, true);
                Console.WriteLine("....................................");
                Console.WriteLine("Building xci");
                Console.WriteLine("....................................");
                XCIManager.BuildXCI(inPath_d, outPath_d);
                Console.WriteLine("DONE");
                Console.WriteLine("....................................");
                Console.WriteLine("Erasing root.hfs0");
                Console.WriteLine("....................................");
                File.Delete(Path.Combine(inPath_d, "root.hfs0"));
                Console.WriteLine("DONE");
                break;

            case "rhfs0_auto":
                if (args.Length < 2)
                {
                    PrintUsage();
                    return;
                }
                string inPath_rh  = Path.Combine(Environment.CurrentDirectory, args[1]);
                string tmpPath_rh = Path.Combine(inPath_rh, "root_tmp");
                Directory.CreateDirectory(tmpPath_rh);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build secure partition");
                Console.WriteLine("....................................");
                string multiplier1_rh = HFS0Manager.xci_multiplier(Path.Combine(inPath_rh, "secure"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_rh, "secure"), Path.Combine(tmpPath_rh, "secure"), multiplier1_rh);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build normal partition");
                Console.WriteLine("....................................");
                string multiplier2_rh = HFS0Manager.xci_multiplier(Path.Combine(inPath_rh, "normal"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_rh, "normal"), Path.Combine(tmpPath_rh, "normal"), multiplier2_rh);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build update partition");
                Console.WriteLine("....................................");
                string multiplier3_rh = HFS0Manager.xci_multiplier(Path.Combine(inPath_rh, "update"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_rh, "update"), Path.Combine(tmpPath_rh, "update"), multiplier3_rh);
                if (Directory.Exists(Path.Combine(inPath_rh, "logo")))
                {
                    Console.WriteLine("....................................");
                    Console.WriteLine("Preparing to build logo partition");
                    Console.WriteLine("....................................");
                    string multiplier4 = HFS0Manager.xci_multiplier(Path.Combine(inPath_rh, "logo"));
                    HFS0Manager.BuildHFS0(Path.Combine(inPath_rh, "logo"), Path.Combine(tmpPath_rh, "logo"), multiplier4);
                }
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build root.hfs0");
                Console.WriteLine("....................................");
                HFS0Manager.BuildHFS0(tmpPath_rh, Path.Combine(inPath_rh, "root.hfs0"), multiplier1_rh);
                Directory.Delete(tmpPath_rh, true);
                break;

            case "rhfs0_auto_del":
                if (args.Length < 2)
                {
                    PrintUsage();
                    return;
                }
                string inPath_rd  = Path.Combine(Environment.CurrentDirectory, args[1]);
                string tmpPath_rd = Path.Combine(inPath_rd, "root_tmp");
                Directory.CreateDirectory(tmpPath_rd);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build secure partition");
                Console.WriteLine("....................................");
                string multiplier1_rd = HFS0Manager.xci_multiplier(Path.Combine(inPath_rd, "secure"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_rd, "secure"), Path.Combine(tmpPath_rd, "secure"), multiplier1_rd);
                Directory.Delete(Path.Combine(inPath_rd, "secure"), true);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build normal partition");
                Console.WriteLine("....................................");
                string multiplier2_rd = HFS0Manager.xci_multiplier(Path.Combine(inPath_rd, "normal"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_rd, "normal"), Path.Combine(tmpPath_rd, "normal"), multiplier2_rd);
                Console.WriteLine("....................................");
                Directory.Delete(Path.Combine(inPath_rd, "normal"), true);
                Console.WriteLine("Preparing to build update partition");
                Console.WriteLine("....................................");
                string multiplier3_rd = HFS0Manager.xci_multiplier(Path.Combine(inPath_rd, "update"));
                HFS0Manager.BuildHFS0(Path.Combine(inPath_rd, "update"), Path.Combine(tmpPath_rd, "update"), multiplier3_rd);
                Directory.Delete(Path.Combine(inPath_rd, "update"), true);
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build logo partition");
                Console.WriteLine("....................................");
                if (Directory.Exists(Path.Combine(inPath_rd, "logo")))
                {
                    string multiplier4 = HFS0Manager.xci_multiplier(Path.Combine(inPath_rd, "logo"));
                    HFS0Manager.BuildHFS0(Path.Combine(inPath_rd, "logo"), Path.Combine(tmpPath_rd, "logo"), multiplier4);
                    Directory.Delete(Path.Combine(inPath_rd, "logo"), true);
                }
                Console.WriteLine("....................................");
                Console.WriteLine("Preparing to build root.hfs0");
                Console.WriteLine("....................................");
                HFS0Manager.BuildHFS0(tmpPath_rd, Path.Combine(inPath_rd, "root.hfs0"), multiplier1_rd);
                Directory.Delete(tmpPath_rd, true);
                break;

            default:
                PrintUsage();
                break;
            }
        }
Example #2
0
        internal static bool BuildXCI(string inDir, string outFile)
        {
            // root.hfs0 contains secure/update/normal which are hfs0 on their owno
            string rootPath = Path.Combine(inDir, "root.hfs0");
            // gameData.ini contains vital data to build the XCI
            string iniPath = Path.Combine(inDir, "game_info.ini");


            if (!File.Exists(rootPath))
            {
                Console.WriteLine("[ERR] {0} does not exist.", rootPath);
                return(false);
            }



            xci_header    header = new xci_header();
            gamecard_info gcInfo = new gamecard_info();

            // Static stuff
            header.Magic             = 0x44414548; // HEAD < -- XCI Header
            header.BackupAreaAddress = 0xFFFFFFFF; // This is probably reserved for future use
            header.HeaderVersion     = (byte)0x0;  // This is probably reserved for future use
            header.Flag           = 0;             // This is probably reserved for future use
            header.SecureModeFlag = 1;             // Secure mode enabled
            header.TitleKeyFlag   = 2;
            header.KeyFlag        = 0;

            // Fake RSA signature
            byte[] fakeSignature = new byte[XCI_SIGNATURE_SIZE];
            Program.Rand.NextBytes(fakeSignature);
            header.Signature = fakeSignature;


            // Ini loaded stuff
            if (File.Exists(iniPath))
            {
                IniFile iniFile = new IniFile(iniPath);
                // Header
                header.KEK             = byte.Parse(iniFile.Read("KEKIndex", "XCI_Header"));
                header.GamecardIV      = iniFile.ReadBytes("GamecardIV", "XCI_Header");
                header.InitialDataHash = iniFile.ReadBytes("InitialDataHash", "XCI_Header");
                header.PackageID       = UInt64.Parse(iniFile.Read("PackageID", "XCI_Header"));
                // Gamecard Info
                gcInfo.Version            = UInt64.Parse(iniFile.Read("Version", "GameCard_Info"));
                gcInfo.AccessControlFlags = UInt32.Parse(iniFile.Read("AccessControlFlags", "GameCard_Info"));
                gcInfo.ReadWaitTime       = UInt32.Parse(iniFile.Read("ReadWaitTime", "GameCard_Info"));
                gcInfo.ReadWaitTime2      = UInt32.Parse(iniFile.Read("ReadWaitTime2", "GameCard_Info"));
                gcInfo.WriteWriteTime     = UInt32.Parse(iniFile.Read("WriteWriteTime", "GameCard_Info"));
                gcInfo.WriteWriteTime2    = UInt32.Parse(iniFile.Read("WriteWriteTime2", "GameCard_Info"));
                gcInfo.FirmwareMode       = UInt32.Parse(iniFile.Read("FirmwareMode", "GameCard_Info"));
                gcInfo.CUPVersion         = UInt32.Parse(iniFile.Read("CUPVersion", "GameCard_Info"));
                gcInfo.CUPID = UInt64.Parse(iniFile.Read("CUPID", "GameCard_Info"));
            }
            else
            {
                Console.WriteLine("[WARN] {0} does not exist. Data will be randomized (and the XCI could not work)", iniPath);
                // Header
                header.KEK = 0;
                Program.Rand.NextBytes(header.GamecardIV);
                header.PackageID = Utils.LongRandom(0, 100000000000000000, Program.Rand);

                // Gamecard Info - Taken from Cave Story (and pretty much universal)
                gcInfo.Version            = 1;
                gcInfo.AccessControlFlags = 10551313;
                gcInfo.ReadWaitTime       = 5000;
                gcInfo.ReadWaitTime2      = 0;
                gcInfo.WriteWriteTime     = 0;
                gcInfo.WriteWriteTime2    = 0;
                gcInfo.FirmwareMode       = 790784;
                gcInfo.CUPVersion         = 450;
                gcInfo.CUPID = 72057594037930006;
            }

            // Read root.hfs0 raw (for header size and hash)
            byte[] rootHeader = HFS0Manager.GetHFS0Header(rootPath);
            header.HFS0HeaderSize = Convert.ToUInt64(rootHeader.Length);

            // hfs0 should be 0x200 aligned in order to properly work. // TODO should it?
            if (header.HFS0HeaderSize % 0x200 != 0)
            {
                Console.WriteLine("[WARN] root.hfs0 is not 0x200 aligned.");
            }

            // Calculating SHA256 of root.hfs0 header
            header.HFS0HeaderHash = Program.SHA256.ComputeHash(rootHeader);


            // Read root.hfs0 (for partition details)
            HFS0Manager.hfs0_header            rootHeaderManaged = new HFS0Manager.hfs0_header();
            List <HFS0Manager.hfs0_file_entry> rootFileEntries   = new List <HFS0Manager.hfs0_file_entry>();
            List <string> rootStringTable = new List <string>();

            HFS0Manager.GetHFS0Managed(rootPath, ref rootHeaderManaged, ref rootFileEntries, ref rootStringTable);

            int partitionIndex = 0;

            foreach (var fileName in rootStringTable)
            {
                if (fileName == "secure")
                {
                    UInt64 secureOffset = Convert.ToUInt64(HFS0_START + header.HFS0HeaderSize + rootFileEntries[partitionIndex].Offset);
                    if (secureOffset % 0x200 != 0)
                    {
                        Console.WriteLine("[WARN] secure.hfs0 is not 0x200 aligned.");
                    }
                    // This is fine since we force partition order
                    header.SecureOffset = header.NormalAreaEndAddress = Convert.ToUInt32(secureOffset / 0x200);
                }

                partitionIndex++;
            }
            header.HFS0Offset = HFS0_START;

            UInt64 CardSize = Convert.ToUInt64(HFS0_START + (ulong)(new FileInfo(rootPath).Length));

            if (CardSize % 0x200 != 0)
            {
                Console.WriteLine("[WARN] card size is not 0x200 aligned.");
            }

            header.CardSize = CardSize / 0x200 - 1;  // Excludes signature



            if (header.CardSize * 0x200l > 16l * 1024l * 1024l * 1024l)
            {
                header.CartType = CartridgeType.CARTSIZE_32GB;
            }
            else if (header.CardSize * 0x200l > 8l * 1024l * 1024l * 1024l)
            {
                header.CartType = CartridgeType.CARTSIZE_16GB;
            }
            else if (header.CardSize * 0x200l > 4l * 1024l * 1024l * 1024l)
            {
                header.CartType = CartridgeType.CARTSIZE_8GB;
            }
            else if (header.CardSize * 0x200l > 2l * 1024l * 1024l * 1024l)
            {
                header.CartType = CartridgeType.CARTSIZE_4GB;
            }
            else
            {
                header.CartType = CartridgeType.CARTSIZE_2GB;
            }


            // Write encrypted gamecardinfo header
            byte[] rawGameCardInfo = Utils.StructureToByteArray(gcInfo);

            // REVERSE THA IV
            byte[] iv_flipped = new byte[XCIManager.XCI_IV_SIZE];
            Array.Copy(header.GamecardIV, iv_flipped, XCIManager.XCI_IV_SIZE);
            Array.Reverse(iv_flipped);

            // GameCardInfo Encrypt
            var encrypt        = Program.AES128CBC.CreateEncryptor(XCIManager.XCI_GAMECARDINFO_KEY, iv_flipped);
            var gcInfoStream   = new MemoryStream(rawGameCardInfo);
            var gcCryptoStream = new CryptoStream(gcInfoStream, encrypt, CryptoStreamMode.Read);

            // Create the struct
            byte[] rawEncryptedGameCardInfo = new byte[XCI_GAMECARD_INFO_LENGTH];
            gcCryptoStream.Read(rawEncryptedGameCardInfo, 0, XCI_GAMECARD_INFO_LENGTH);

            // Clean stuff up
            gcInfoStream.Close();
            gcCryptoStream.Close();
            encrypt.Dispose();

            header.GamecardInfo = rawEncryptedGameCardInfo;

            FileStream   fs;
            BinaryWriter bw;

            // Opening output file
            try
            {
                fs = new FileStream(outFile, FileMode.Create, FileAccess.Write);
                bw = new BinaryWriter(fs);
            }
            catch (Exception ex)
            {
                Console.WriteLine("[ERR] Cannot create {0}.\n{1}", outFile, ex.Message);
                return(false);
            }

            // Writing header
            bw.Write(Utils.StructureToByteArray(header));

            // Writing padding
            int toWrite00 = 0x6E00;

            for (int i = 0; i < toWrite00; i++)
            {
                bw.Write((byte)0x0);
            }
            int toWriteFF = 0x8000;

            for (int i = 0; i < toWriteFF; i++)
            {
                bw.Write((byte)0xFF);
            }

            // Writing data
            FileStream stream = new FileStream(rootPath, FileMode.Open, FileAccess.Read);

            byte[] buffer = new Byte[1024 * 5];
            int    count  = 0;

            while ((count = stream.Read(buffer, 0, buffer.Length)) > 0)
            {
                bw.Write(buffer, 0, count);
            }
            stream.Close();



            return(true);
        }