// Main wrapper that assembles the ROM based on the following specifications:
internal static bool buildROM(bool Card2, string LOGO_NAME,
string EXEFS_PATH, string ROMFS_PATH, string EXHEADER_PATH,
string SERIAL_TEXT, string SAVE_PATH,
ProgressBar PB_Show = null, RichTextBox TB_Progress = null)
{
PB_Show = PB_Show ?? new ProgressBar();
TB_Progress = TB_Progress ?? new RichTextBox();
// Sanity check the input files.
if (!
((File.Exists(EXEFS_PATH) || Directory.Exists(EXEFS_PATH)) &&
(File.Exists(ROMFS_PATH) || Directory.Exists(ROMFS_PATH)) &&
File.Exists(EXHEADER_PATH)))
{
return(false);
}
// If ExeFS and RomFS are not built, build.
if (!File.Exists(EXEFS_PATH) && Directory.Exists(EXEFS_PATH))
{
ExeFS.set(Directory.GetFiles(EXEFS_PATH), EXEFS_PATH = "exefs.bin");
}
if (!File.Exists(ROMFS_PATH) && Directory.Exists(ROMFS_PATH))
{
RomFS.BuildRomFS(ROMFS_PATH, ROMFS_PATH = "romfs.bin", TB_Progress, PB_Show);
}
NCCH NCCH = setNCCH(EXEFS_PATH, ROMFS_PATH, EXHEADER_PATH, SERIAL_TEXT, LOGO_NAME, PB_Show, TB_Progress);
NCSD NCSD = setNCSD(NCCH, Card2, PB_Show, TB_Progress);
bool success = writeROM(NCSD, SAVE_PATH, PB_Show, TB_Progress);
return(success);
}
// Sub methods that drive the operation
internal static NCCH setNCCH(string EXEFS_PATH, string ROMFS_PATH, string EXHEADER_PATH, string TB_Serial, string LOGO_NAME,
ProgressBar PB_Show = null, RichTextBox TB_Progress = null)
{
PB_Show = PB_Show ?? new ProgressBar();
TB_Progress = TB_Progress ?? new RichTextBox();
updateTB(TB_Progress, "Creating NCCH...");
updateTB(TB_Progress, "Adding Exheader...");
NCCH NCCH = new NCCH
{
exheader = new Exheader(EXHEADER_PATH),
plainregion = new byte[0]
};
if (NCCH.exheader.isPokemon())
{
updateTB(TB_Progress, "Detected Pokemon Game. Adding Plain Region...");
if (NCCH.exheader.isXY())
{
NCCH.plainregion = (byte[])Resources.ResourceManager.GetObject("XY");
}
else if (NCCH.exheader.isORAS())
{
NCCH.plainregion = (byte[])Resources.ResourceManager.GetObject("ORAS");
}
}
updateTB(TB_Progress, "Adding ExeFS...");
NCCH.exefs = new ExeFS(EXEFS_PATH);
updateTB(TB_Progress, "Adding RomFS...");
NCCH.romfs = new RomFS(ROMFS_PATH);
updateTB(TB_Progress, "Adding Logo...");
NCCH.logo = (byte[])Resources.ResourceManager.GetObject(LOGO_NAME);
updateTB(TB_Progress, "Assembling NCCH Header...");
ulong Len = 0x200; //NCCH Signature + NCCH Header
NCCH.header = new NCCH.Header {
Signature = new byte[0x100], Magic = 0x4843434E
};
NCCH.header.TitleId = NCCH.header.ProgramId = NCCH.exheader.TitleID;
NCCH.header.MakerCode = 0x3130; //01
NCCH.header.FormatVersion = 0x2; //Default
NCCH.header.LogoHash = new SHA256Managed().ComputeHash(NCCH.logo);
NCCH.header.ProductCode = Encoding.ASCII.GetBytes(TB_Serial);
Array.Resize(ref NCCH.header.ProductCode, 0x10);
NCCH.header.ExheaderHash = NCCH.exheader.GetSuperBlockHash();
NCCH.header.ExheaderSize = (uint)NCCH.exheader.Data.Length;
Len += NCCH.header.ExheaderSize + (uint)NCCH.exheader.AccessDescriptor.Length;
NCCH.header.Flags = new byte[0x8];
//FLAGS
NCCH.header.Flags[3] = 0; // Crypto: 0 = <7.x, 1=7.x;
NCCH.header.Flags[4] = 1; // Content Platform: 1 = CTR;
NCCH.header.Flags[5] = 0x3; // Content Type Bitflags: 1=Data, 2=Executable, 4=SysUpdate, 8=Manual, 0x10=Trial;
NCCH.header.Flags[6] = 0; // MEDIA_UNIT_SIZE = 0x200*Math.Pow(2, Content.header.Flags[6]);
NCCH.header.Flags[7] = 1; // FixedCrypto = 1, NoMountRomfs = 2; NoCrypto=4;
NCCH.header.LogoOffset = (uint)(Len / MEDIA_UNIT_SIZE);
NCCH.header.LogoSize = (uint)(NCCH.logo.Length / MEDIA_UNIT_SIZE);
Len += (uint)NCCH.logo.Length;
NCCH.header.PlainRegionOffset = (uint)(NCCH.plainregion.Length > 0 ? Len / MEDIA_UNIT_SIZE : 0);
NCCH.header.PlainRegionSize = (uint)NCCH.plainregion.Length / MEDIA_UNIT_SIZE;
Len += (uint)NCCH.plainregion.Length;
NCCH.header.ExefsOffset = (uint)(Len / MEDIA_UNIT_SIZE);
NCCH.header.ExefsSize = (uint)(NCCH.exefs.Data.Length / MEDIA_UNIT_SIZE);
NCCH.header.ExefsSuperBlockSize = 0x200 / MEDIA_UNIT_SIZE; //Static 0x200 for exefs superblock
Len += (uint)NCCH.exefs.Data.Length;
Len = (uint)Align(Len, 0x1000); //Romfs Start is aligned to 0x1000
NCCH.header.RomfsOffset = (uint)(Len / MEDIA_UNIT_SIZE);
NCCH.header.RomfsSize = (uint)(new FileInfo(NCCH.romfs.FileName).Length / MEDIA_UNIT_SIZE);
NCCH.header.RomfsSuperBlockSize = NCCH.romfs.SuperBlockLen / MEDIA_UNIT_SIZE;
Len += NCCH.header.RomfsSize * MEDIA_UNIT_SIZE;
NCCH.header.ExefsHash = NCCH.exefs.SuperBlockHash;
NCCH.header.RomfsHash = NCCH.romfs.SuperBlockHash;
NCCH.header.Size = (uint)(Len / MEDIA_UNIT_SIZE);
//Build the Header byte[].
updateTB(TB_Progress, "Building NCCH Header...");
NCCH.header.BuildHeader();
return(NCCH);
}
internal static bool writeROM(NCSD Rom, string SAVE_PATH,
ProgressBar PB_Show = null, RichTextBox TB_Progress = null)
{
NCCH Content = Rom.NCCH_Array[0];
PB_Show = PB_Show ?? new ProgressBar();
TB_Progress = TB_Progress ?? new RichTextBox();
using (FileStream OutFileStream = new FileStream(SAVE_PATH, FileMode.Create))
{
updateTB(TB_Progress, "Writing NCSD Header...");
OutFileStream.Write(Rom.Data, 0, Rom.Data.Length);
updateTB(TB_Progress, "Writing NCCH...");
OutFileStream.Write(Rom.NCCH_Array[0].header.Data, 0, Rom.NCCH_Array[0].header.Data.Length); //Write NCCH header
//AES time.
byte[] key = new byte[0x10]; //Fixed-Crypto key is all zero.
for (int i = 0; i < 3; i++)
{
AesCtr aesctr = new AesCtr(key, Rom.NCCH_Array[0].header.ProgramId, ((ulong)(i + 1)) << 56); //CTR is ProgramID, section id<<88
switch (i)
{
case 0: //Exheader + AccessDesc
updateTB(TB_Progress, "Writing Exheader...");
byte[] inEncExheader = new byte[Rom.NCCH_Array[0].exheader.Data.Length + Rom.NCCH_Array[0].exheader.AccessDescriptor.Length];
byte[] outEncExheader = new byte[Rom.NCCH_Array[0].exheader.Data.Length + Rom.NCCH_Array[0].exheader.AccessDescriptor.Length];
Array.Copy(Rom.NCCH_Array[0].exheader.Data, inEncExheader, Rom.NCCH_Array[0].exheader.Data.Length);
Array.Copy(Rom.NCCH_Array[0].exheader.AccessDescriptor, 0, inEncExheader, Rom.NCCH_Array[0].exheader.Data.Length, Rom.NCCH_Array[0].exheader.AccessDescriptor.Length);
aesctr.TransformBlock(inEncExheader, 0, inEncExheader.Length, outEncExheader, 0);
OutFileStream.Write(outEncExheader, 0, outEncExheader.Length); // Write Exheader
break;
case 1: //Exefs
updateTB(TB_Progress, "Writing Exefs...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.ExefsOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
byte[] OutExefs = new byte[Rom.NCCH_Array[0].exefs.Data.Length];
aesctr.TransformBlock(Rom.NCCH_Array[0].exefs.Data, 0, Rom.NCCH_Array[0].exefs.Data.Length, OutExefs, 0);
OutFileStream.Write(OutExefs, 0, OutExefs.Length);
break;
case 2: //Romfs
updateTB(TB_Progress, "Writing Romfs...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.RomfsOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
using (FileStream InFileStream = new FileStream(Rom.NCCH_Array[0].romfs.FileName, FileMode.Open, FileAccess.Read))
{
uint BUFFER_SIZE = 0;
ulong RomfsLen = Rom.NCCH_Array[0].header.RomfsSize * MEDIA_UNIT_SIZE;
PB_Show.Invoke((Action)(() =>
{
PB_Show.Minimum = 0;
PB_Show.Maximum = (int)(RomfsLen / 0x400000);
PB_Show.Value = 0;
PB_Show.Step = 1;
}));
for (ulong j = 0; j < (RomfsLen); j += BUFFER_SIZE)
{
BUFFER_SIZE = (RomfsLen - j) > 0x400000 ? 0x400000 : (uint)(RomfsLen - j);
byte[] buf = new byte[BUFFER_SIZE];
byte[] outbuf = new byte[BUFFER_SIZE];
InFileStream.Read(buf, 0, (int)BUFFER_SIZE);
aesctr.TransformBlock(buf, 0, (int)BUFFER_SIZE, outbuf, 0);
OutFileStream.Write(outbuf, 0, (int)BUFFER_SIZE);
PB_Show.Invoke((Action)(PB_Show.PerformStep));
}
}
break;
}
}
updateTB(TB_Progress, "Writing Logo...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.LogoOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
OutFileStream.Write(Rom.NCCH_Array[0].logo, 0, Rom.NCCH_Array[0].logo.Length);
if (Rom.NCCH_Array[0].plainregion.Length > 0)
{
updateTB(TB_Progress, "Writing Plain Region...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.PlainRegionOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
OutFileStream.Write(Rom.NCCH_Array[0].plainregion, 0, Rom.NCCH_Array[0].plainregion.Length);
}
//NCSD Padding
OutFileStream.Seek(Rom.header.OffsetSizeTable[Rom.NCCH_Array.Count - 1].Offset * MEDIA_UNIT_SIZE + Rom.header.OffsetSizeTable[Rom.NCCH_Array.Count - 1].Size * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
ulong TotalLen = Rom.header.MediaSize * MEDIA_UNIT_SIZE;
byte[] Buffer = Enumerable.Repeat((byte)0xFF, 0x400000).ToArray();
updateTB(TB_Progress, "Writing NCSD Padding...");
while ((ulong)OutFileStream.Position < TotalLen)
{
int BUFFER_LEN = ((TotalLen - (ulong)OutFileStream.Position) < 0x400000) ? (int)(TotalLen - (ulong)OutFileStream.Position) : 0x400000;
OutFileStream.Write(Buffer, 0, BUFFER_LEN);
}
}
//Delete Temporary Romfs File
if (Content.romfs.isTempFile)
{
File.Delete(Content.romfs.FileName);
}
updateTB(TB_Progress, "Done!");
return(true);
}
internal static NCSD setNCSD(NCCH NCCH, bool Card2,
ProgressBar PB_Show = null, RichTextBox TB_Progress = null)
{
PB_Show = PB_Show ?? new ProgressBar();
TB_Progress = TB_Progress ?? new RichTextBox();
updateTB(TB_Progress, "Building NCSD Header...");
NCSD NCSD = new NCSD
{
NCCH_Array = new List <NCCH> {
NCCH
},
Card2 = Card2,
header = new NCSD.Header {
Signature = new byte[0x100], Magic = 0x4453434E
}
};
ulong Length = 0x80 * 0x100000; // 128 MB
while (Length <= NCCH.header.Size * MEDIA_UNIT_SIZE + 0x400000) //Extra 4 MB for potential save data
{
Length *= 2;
}
NCSD.header.MediaSize = (uint)(Length / MEDIA_UNIT_SIZE);
NCSD.header.TitleId = NCCH.exheader.TitleID;
NCSD.header.OffsetSizeTable = new NCSD.NCCH_Meta[8];
ulong OSOfs = 0x4000;
for (int i = 0; i < NCSD.header.OffsetSizeTable.Length; i++)
{
NCSD.NCCH_Meta ncchm = new NCSD.NCCH_Meta();
if (i < NCSD.NCCH_Array.Count)
{
ncchm.Offset = (uint)(OSOfs / MEDIA_UNIT_SIZE);
ncchm.Size = NCSD.NCCH_Array[i].header.Size;
}
else
{
ncchm.Offset = 0;
ncchm.Size = 0;
}
NCSD.header.OffsetSizeTable[i] = ncchm;
OSOfs += ncchm.Size * MEDIA_UNIT_SIZE;
}
NCSD.header.flags = new byte[0x8];
NCSD.header.flags[0] = 0; // 0-255 seconds of waiting for save writing.
NCSD.header.flags[3] = (byte)(NCSD.Card2 ? 2 : 1); // Media Card Device: 1 = NOR Flash, 2 = None, 3 = BT
NCSD.header.flags[4] = 1; // Media Platform Index: 1 = CTR
NCSD.header.flags[5] = (byte)(NCSD.Card2 ? 2 : 1); // Media Type Index: 0 = Inner Device, 1 = Card1, 2 = Card2, 3 = Extended Device
NCSD.header.flags[6] = 0; // Media Unit Size. Same as NCCH.
NCSD.header.flags[7] = 0; // Old Media Card Device.
NCSD.header.NCCHIdTable = new ulong[8];
for (int i = 0; i < NCSD.NCCH_Array.Count; i++)
{
NCSD.header.NCCHIdTable[i] = NCSD.NCCH_Array[i].header.TitleId;
}
NCSD.cardinfoheader = new NCSD.CardInfoHeader
{
WritableAddress = (uint)NCSD.GetWritableAddress(),
CardInfoBitmask = 0,
CIN = new NCSD.CardInfoHeader.CardInfoNotes
{
Reserved0 = new byte[0xF8],
MediaSizeUsed = OSOfs,
Reserved1 = 0,
Unknown = 0,
Reserved2 = new byte[0xC],
CVerTitleId = 0,
CVerTitleVersion = 0,
Reserved3 = new byte[0xCD6]
},
NCCH0TitleId = NCSD.NCCH_Array[0].header.TitleId,
Reserved0 = 0,
InitialData = new byte[0x30]
};
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
byte[] randbuffer = new byte[0x2C];
rng.GetBytes(randbuffer);
Array.Copy(randbuffer, NCSD.cardinfoheader.InitialData, randbuffer.Length);
NCSD.cardinfoheader.Reserved1 = new byte[0xC0];
NCSD.cardinfoheader.NCCH0Header = new byte[0x100];
Array.Copy(NCSD.NCCH_Array[0].header.Data, 0x100, NCSD.cardinfoheader.NCCH0Header, 0, 0x100);
NCSD.BuildHeader();
//NCSD is Initialized
return(NCSD);
}
// Sub methods that drive the operation
internal static NCCH setNCCH(string EXEFS_PATH, string ROMFS_PATH, string EXHEADER_PATH, string TB_Serial, string LOGO_NAME, string _patchDir, bool _useRam)
{
SHA256Managed sha = new SHA256Managed();
NCCH Content = new NCCH();
Console.WriteLine("Adding Exheader...");
Content.exheader = new Exheader(EXHEADER_PATH);
Content.plainregion = new byte[0]; //No plain region by default.
if (Content.exheader.isPokemon())
{
Console.WriteLine("Detected Pokemon Game. Adding Plain Region...");
if (Content.exheader.isXY())
{
Content.plainregion = (byte[])Resources.ResourceManager.GetObject("XY");
}
else if (Content.exheader.isORAS())
{
Content.plainregion = (byte[])Resources.ResourceManager.GetObject("ORAS");
}
}
Console.WriteLine("Adding ExeFS...");
Content.exefs = new ExeFS(EXEFS_PATH);
Console.WriteLine("Adding RomFS...");
Content.romfs = new RomFS(ROMFS_PATH, _patchDir, _useRam);
Console.WriteLine("Adding Logo...");
Content.logo = (byte[])Resources.ResourceManager.GetObject(LOGO_NAME);
Console.WriteLine("Building NCCH Header...");
ulong Len = 0x200; //NCCH Signature + NCCH Header
Content.header = new NCCH.Header {
Signature = new byte[0x100], Magic = 0x4843434E
};
Content.header.TitleId = Content.header.ProgramId = Content.exheader.TitleID;
Content.header.MakerCode = 0x3130; //01
Content.header.FormatVersion = 0x2; //Default
Content.header.LogoHash = sha.ComputeHash(Content.logo);
Content.header.ProductCode = Encoding.ASCII.GetBytes(TB_Serial);
Array.Resize(ref Content.header.ProductCode, 0x10);
Content.header.ExheaderHash = Content.exheader.GetSuperBlockHash();
Content.header.ExheaderSize = (uint)(Content.exheader.Data.Length);
Len += Content.header.ExheaderSize + (uint)Content.exheader.AccessDescriptor.Length;
Content.header.Flags = new byte[0x8];
//FLAGS
Content.header.Flags[3] = 0; // Crypto: 0 = <7.x, 1=7.x;
Content.header.Flags[4] = 1; // Content Platform: 1 = CTR;
Content.header.Flags[5] = 0x3; // Content Type Bitflags: 1=Data, 2=Executable, 4=SysUpdate, 8=Manual, 0x10=Trial;
Content.header.Flags[6] = 0; // MEDIA_UNIT_SIZE = 0x200*Math.Pow(2, Content.header.Flags[6]);
Content.header.Flags[7] = 1; // FixedCrypto = 1, NoMountRomfs = 2; NoCrypto=4;
Content.header.LogoOffset = (uint)(Len / MEDIA_UNIT_SIZE);
Content.header.LogoSize = (uint)(Content.logo.Length / MEDIA_UNIT_SIZE);
Len += (uint)Content.logo.Length;
Content.header.PlainRegionOffset = (uint)((Content.plainregion.Length > 0) ? Len / MEDIA_UNIT_SIZE : 0);
Content.header.PlainRegionSize = (uint)Content.plainregion.Length / MEDIA_UNIT_SIZE;
Len += (uint)Content.plainregion.Length;
Content.header.ExefsOffset = (uint)(Len / MEDIA_UNIT_SIZE);
Content.header.ExefsSize = (uint)(Content.exefs.Data.Length / MEDIA_UNIT_SIZE);
Content.header.ExefsSuperBlockSize = 0x200 / MEDIA_UNIT_SIZE; //Static 0x200 for exefs superblock
Len += (uint)Content.exefs.Data.Length;
Len = (uint)Align(Len, 0x1000); //Romfs Start is aligned to 0x1000
Content.header.RomfsOffset = (uint)(Len / MEDIA_UNIT_SIZE);
Content.header.RomfsSize = (uint)(Content.romfs.dataStream.Length / MEDIA_UNIT_SIZE);
Content.header.RomfsSuperBlockSize = Content.romfs.SuperBlockLen / MEDIA_UNIT_SIZE;
Len += Content.header.RomfsSize * MEDIA_UNIT_SIZE;
Content.header.ExefsHash = Content.exefs.SuperBlockHash;
Content.header.RomfsHash = Content.romfs.SuperBlockHash;
Content.header.Size = (uint)(Len / MEDIA_UNIT_SIZE);
//Build the Header byte[].
Content.header.BuildHeader();
return(Content);
}
internal static bool writeROM(NCSD Rom, string SAVE_PATH)
{
NCCH Content = Rom.NCCH_Array[0];
using (FileStream OutFileStream = new FileStream(SAVE_PATH, FileMode.Create))
{
Console.WriteLine("Writing NCSD Header...");
OutFileStream.Write(Rom.Data, 0, Rom.Data.Length);
Console.WriteLine("Writing NCCH...");
OutFileStream.Write(Rom.NCCH_Array[0].header.Data, 0, Rom.NCCH_Array[0].header.Data.Length); //Write NCCH header
//NO AES time.
for (int i = 0; i < 3; i++)
{
switch (i)
{
case 0: //Exheader + AccessDesc
Console.WriteLine("Writing Exheader...");
byte[] inEncExheader = new byte[Rom.NCCH_Array[0].exheader.Data.Length + Rom.NCCH_Array[0].exheader.AccessDescriptor.Length];
Array.Copy(Rom.NCCH_Array[0].exheader.Data, inEncExheader, Rom.NCCH_Array[0].exheader.Data.Length);
Array.Copy(Rom.NCCH_Array[0].exheader.AccessDescriptor, 0, inEncExheader, Rom.NCCH_Array[0].exheader.Data.Length, Rom.NCCH_Array[0].exheader.AccessDescriptor.Length);
OutFileStream.Write(inEncExheader, 0, inEncExheader.Length); // Write Exheader
break;
case 1: //Exefs
Console.WriteLine("Writing Exefs...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.ExefsOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
OutFileStream.Write(Rom.NCCH_Array[0].exefs.Data, 0, Rom.NCCH_Array[0].exefs.Data.Length);
break;
case 2: //Romfs
Console.WriteLine("Writing Romfs...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.RomfsOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
Rom.NCCH_Array[0].romfs.dataStream.Seek(0, SeekOrigin.Begin);
Stream InFileStream = Rom.NCCH_Array[0].romfs.dataStream;
uint BUFFER_SIZE = 0;
ulong RomfsLen = Rom.NCCH_Array[0].header.RomfsSize * MEDIA_UNIT_SIZE;
for (ulong j = 0; j < (RomfsLen); j += BUFFER_SIZE)
{
BUFFER_SIZE = (RomfsLen - j) > 0x400000 ? 0x400000 : (uint)(RomfsLen - j);
byte[] buf = new byte[BUFFER_SIZE];
InFileStream.Read(buf, 0, (int)BUFFER_SIZE);
OutFileStream.Write(buf, 0, (int)BUFFER_SIZE);
}
break;
}
}
Console.WriteLine("Writing Logo...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.LogoOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
OutFileStream.Write(Rom.NCCH_Array[0].logo, 0, Rom.NCCH_Array[0].logo.Length);
if (Rom.NCCH_Array[0].plainregion.Length > 0)
{
Console.WriteLine("Writing Plain Region...");
OutFileStream.Seek(0x4000 + Rom.NCCH_Array[0].header.PlainRegionOffset * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
OutFileStream.Write(Rom.NCCH_Array[0].plainregion, 0, Rom.NCCH_Array[0].plainregion.Length);
}
//NCSD Padding
OutFileStream.Seek(Rom.header.OffsetSizeTable[Rom.NCCH_Array.Count - 1].Offset * MEDIA_UNIT_SIZE + Rom.header.OffsetSizeTable[Rom.NCCH_Array.Count - 1].Size * MEDIA_UNIT_SIZE, SeekOrigin.Begin);
ulong TotalLen = Rom.header.MediaSize * MEDIA_UNIT_SIZE;
byte[] Buffer = Enumerable.Repeat((byte)0xFF, 0x400000).ToArray();
Console.WriteLine("Writing NCSD Padding...");
while ((ulong)OutFileStream.Position < TotalLen)
{
int BUFFER_LEN = ((TotalLen - (ulong)OutFileStream.Position) < 0x400000) ? (int)(TotalLen - (ulong)OutFileStream.Position) : 0x400000;
OutFileStream.Write(Buffer, 0, BUFFER_LEN);
}
}
Content.romfs.dataStream.Dispose();
//Delete Temporary Romfs File
if (Content.romfs.isTempFile)
{
File.Delete(RomFS.TempFile);
}
Console.WriteLine("Done!");
return(true);
}
internal static NCSD setNCSD(NCCH Content, bool Card2
)
{
NCSD Rom = new NCSD {
NCCH_Array = new List <NCCH>()
};
Rom.NCCH_Array.Add(Content);
Console.WriteLine("Building NCSD Header...");
Rom.Card2 = Card2;
Rom.header = new NCSD.Header {
Signature = new byte[0x100], Magic = 0x4453434E
};
ulong Length = 0x80 * 0x100000; // 128 MB
while (Length <= Content.header.Size * MEDIA_UNIT_SIZE + 0x400000) //Extra 4 MB for potential save data
{
Length *= 2;
}
Rom.header.MediaSize = (uint)(Length / MEDIA_UNIT_SIZE);
Rom.header.TitleId = Content.exheader.TitleID;
Rom.header.OffsetSizeTable = new NCSD.NCCH_Meta[8];
ulong OSOfs = 0x4000;
for (int i = 0; i < Rom.header.OffsetSizeTable.Length; i++)
{
NCSD.NCCH_Meta ncchm = new NCSD.NCCH_Meta();
if (i < Rom.NCCH_Array.Count)
{
ncchm.Offset = (uint)(OSOfs / MEDIA_UNIT_SIZE);
ncchm.Size = Rom.NCCH_Array[i].header.Size;
}
else
{
ncchm.Offset = 0;
ncchm.Size = 0;
}
Rom.header.OffsetSizeTable[i] = ncchm;
OSOfs += ncchm.Size * MEDIA_UNIT_SIZE;
}
Rom.header.flags = new byte[0x8];
Rom.header.flags[0] = 0; // 0-255 seconds of waiting for save writing.
Rom.header.flags[3] = (byte)(Rom.Card2 ? 2 : 1); // Media Card Device: 1 = NOR Flash, 2 = None, 3 = BT
Rom.header.flags[4] = 1; // Media Platform Index: 1 = CTR
Rom.header.flags[5] = (byte)(Rom.Card2 ? 2 : 1); // Media Type Index: 0 = Inner Device, 1 = Card1, 2 = Card2, 3 = Extended Device
Rom.header.flags[6] = 0; // Media Unit Size. Same as NCCH.
Rom.header.flags[7] = 0; // Old Media Card Device.
Rom.header.NCCHIdTable = new ulong[8];
for (int i = 0; i < Rom.NCCH_Array.Count; i++)
{
Rom.header.NCCHIdTable[i] = Rom.NCCH_Array[i].header.TitleId;
}
Rom.cardinfoheader = new NCSD.CardInfoHeader
{
WritableAddress = (uint)(Rom.GetWritableAddress()),
CardInfoBitmask = 0,
CIN = new NCSD.CardInfoHeader.CardInfoNotes
{
Reserved0 = new byte[0xF8],
MediaSizeUsed = OSOfs,
Reserved1 = 0,
Unknown = 0,
Reserved2 = new byte[0xC],
CVerTitleId = 0,
CVerTitleVersion = 0,
Reserved3 = new byte[0xCD6]
},
NCCH0TitleId = Rom.NCCH_Array[0].header.TitleId,
Reserved0 = 0,
InitialData = new byte[0x30]
};
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
byte[] randbuffer = new byte[0x2C];
rng.GetBytes(randbuffer);
Array.Copy(randbuffer, Rom.cardinfoheader.InitialData, randbuffer.Length);
Rom.cardinfoheader.Reserved1 = new byte[0xC0];
Rom.cardinfoheader.NCCH0Header = new byte[0x100];
Array.Copy(Rom.NCCH_Array[0].header.Data, 0x100, Rom.cardinfoheader.NCCH0Header, 0, 0x100);
Rom.BuildHeader();
//NCSD is Initialized
return(Rom);
}
internal static NCSD setNCSD(NCCH NCCH, bool Card2,
ProgressBar PB_Show = null, RichTextBox TB_Progress = null)
{
PB_Show = PB_Show ?? new ProgressBar();
TB_Progress = TB_Progress ?? new RichTextBox();
updateTB(TB_Progress, "Building NCSD Header...");
NCSD NCSD = new NCSD
{
NCCH_Array = new List<NCCH> {NCCH},
Card2 = Card2,
header = new NCSD.Header {Signature = new byte[0x100], Magic = 0x4453434E}
};
ulong Length = 0x80 * 0x100000; // 128 MB
while (Length <= NCCH.header.Size * MEDIA_UNIT_SIZE + 0x400000) //Extra 4 MB for potential save data
{
Length *= 2;
}
NCSD.header.MediaSize = (uint)(Length / MEDIA_UNIT_SIZE);
NCSD.header.TitleId = NCCH.exheader.TitleID;
NCSD.header.OffsetSizeTable = new NCSD.NCCH_Meta[8];
ulong OSOfs = 0x4000;
for (int i = 0; i < NCSD.header.OffsetSizeTable.Length; i++)
{
NCSD.NCCH_Meta ncchm = new NCSD.NCCH_Meta();
if (i < NCSD.NCCH_Array.Count)
{
ncchm.Offset = (uint)(OSOfs / MEDIA_UNIT_SIZE);
ncchm.Size = NCSD.NCCH_Array[i].header.Size;
}
else
{
ncchm.Offset = 0;
ncchm.Size = 0;
}
NCSD.header.OffsetSizeTable[i] = ncchm;
OSOfs += ncchm.Size * MEDIA_UNIT_SIZE;
}
NCSD.header.flags = new byte[0x8];
NCSD.header.flags[0] = 0; // 0-255 seconds of waiting for save writing.
NCSD.header.flags[3] = (byte)(NCSD.Card2 ? 2 : 1); // Media Card Device: 1 = NOR Flash, 2 = None, 3 = BT
NCSD.header.flags[4] = 1; // Media Platform Index: 1 = CTR
NCSD.header.flags[5] = (byte)(NCSD.Card2 ? 2 : 1); // Media Type Index: 0 = Inner Device, 1 = Card1, 2 = Card2, 3 = Extended Device
NCSD.header.flags[6] = 0; // Media Unit Size. Same as NCCH.
NCSD.header.flags[7] = 0; // Old Media Card Device.
NCSD.header.NCCHIdTable = new ulong[8];
for (int i = 0; i < NCSD.NCCH_Array.Count; i++)
{
NCSD.header.NCCHIdTable[i] = NCSD.NCCH_Array[i].header.TitleId;
}
NCSD.cardinfoheader = new NCSD.CardInfoHeader
{
WritableAddress = (uint)NCSD.GetWritableAddress(),
CardInfoBitmask = 0,
CIN = new NCSD.CardInfoHeader.CardInfoNotes
{
Reserved0 = new byte[0xF8],
MediaSizeUsed = OSOfs,
Reserved1 = 0,
Unknown = 0,
Reserved2 = new byte[0xC],
CVerTitleId = 0,
CVerTitleVersion = 0,
Reserved3 = new byte[0xCD6]
},
NCCH0TitleId = NCSD.NCCH_Array[0].header.TitleId,
Reserved0 = 0,
InitialData = new byte[0x30]
};
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
byte[] randbuffer = new byte[0x2C];
rng.GetBytes(randbuffer);
Array.Copy(randbuffer, NCSD.cardinfoheader.InitialData, randbuffer.Length);
NCSD.cardinfoheader.Reserved1 = new byte[0xC0];
NCSD.cardinfoheader.NCCH0Header = new byte[0x100];
Array.Copy(NCSD.NCCH_Array[0].header.Data, 0x100, NCSD.cardinfoheader.NCCH0Header, 0, 0x100);
NCSD.BuildHeader();
//NCSD is Initialized
return NCSD;
}
// Sub methods that drive the operation
internal static NCCH setNCCH(string EXEFS_PATH, string ROMFS_PATH, string EXHEADER_PATH, string TB_Serial, string LOGO_NAME,
ProgressBar PB_Show = null, RichTextBox TB_Progress = null)
{
PB_Show = PB_Show ?? new ProgressBar();
TB_Progress = TB_Progress ?? new RichTextBox();
updateTB(TB_Progress, "Creating NCCH...");
updateTB(TB_Progress, "Adding Exheader...");
NCCH NCCH = new NCCH
{
exheader = new Exheader(EXHEADER_PATH),
plainregion = new byte[0]
};
if (NCCH.exheader.isPokemon())
{
updateTB(TB_Progress, "Detected Pokemon Game. Adding Plain Region...");
if (NCCH.exheader.isXY())
NCCH.plainregion = (byte[])Resources.ResourceManager.GetObject("XY");
else if (NCCH.exheader.isORAS())
NCCH.plainregion = (byte[])Resources.ResourceManager.GetObject("ORAS");
}
updateTB(TB_Progress, "Adding ExeFS...");
NCCH.exefs = new ExeFS(EXEFS_PATH);
updateTB(TB_Progress, "Adding RomFS...");
NCCH.romfs = new RomFS(ROMFS_PATH);
updateTB(TB_Progress, "Adding Logo...");
NCCH.logo = (byte[])Resources.ResourceManager.GetObject(LOGO_NAME);
updateTB(TB_Progress, "Assembling NCCH Header...");
ulong Len = 0x200; //NCCH Signature + NCCH Header
NCCH.header = new NCCH.Header { Signature = new byte[0x100], Magic = 0x4843434E };
NCCH.header.TitleId = NCCH.header.ProgramId = NCCH.exheader.TitleID;
NCCH.header.MakerCode = 0x3130; //01
NCCH.header.FormatVersion = 0x2; //Default
NCCH.header.LogoHash = new SHA256Managed().ComputeHash(NCCH.logo);
NCCH.header.ProductCode = Encoding.ASCII.GetBytes(TB_Serial);
Array.Resize(ref NCCH.header.ProductCode, 0x10);
NCCH.header.ExheaderHash = NCCH.exheader.GetSuperBlockHash();
NCCH.header.ExheaderSize = (uint)NCCH.exheader.Data.Length;
Len += NCCH.header.ExheaderSize + (uint)NCCH.exheader.AccessDescriptor.Length;
NCCH.header.Flags = new byte[0x8];
//FLAGS
NCCH.header.Flags[3] = 0; // Crypto: 0 = <7.x, 1=7.x;
NCCH.header.Flags[4] = 1; // Content Platform: 1 = CTR;
NCCH.header.Flags[5] = 0x3; // Content Type Bitflags: 1=Data, 2=Executable, 4=SysUpdate, 8=Manual, 0x10=Trial;
NCCH.header.Flags[6] = 0; // MEDIA_UNIT_SIZE = 0x200*Math.Pow(2, Content.header.Flags[6]);
NCCH.header.Flags[7] = 1; // FixedCrypto = 1, NoMountRomfs = 2; NoCrypto=4;
NCCH.header.LogoOffset = (uint)(Len / MEDIA_UNIT_SIZE);
NCCH.header.LogoSize = (uint)(NCCH.logo.Length / MEDIA_UNIT_SIZE);
Len += (uint)NCCH.logo.Length;
NCCH.header.PlainRegionOffset = (uint)(NCCH.plainregion.Length > 0 ? Len / MEDIA_UNIT_SIZE : 0);
NCCH.header.PlainRegionSize = (uint)NCCH.plainregion.Length / MEDIA_UNIT_SIZE;
Len += (uint)NCCH.plainregion.Length;
NCCH.header.ExefsOffset = (uint)(Len / MEDIA_UNIT_SIZE);
NCCH.header.ExefsSize = (uint)(NCCH.exefs.Data.Length / MEDIA_UNIT_SIZE);
NCCH.header.ExefsSuperBlockSize = 0x200 / MEDIA_UNIT_SIZE; //Static 0x200 for exefs superblock
Len += (uint)NCCH.exefs.Data.Length;
Len = (uint)Align(Len, 0x1000); //Romfs Start is aligned to 0x1000
NCCH.header.RomfsOffset = (uint)(Len / MEDIA_UNIT_SIZE);
NCCH.header.RomfsSize = (uint)(new FileInfo(NCCH.romfs.FileName).Length / MEDIA_UNIT_SIZE);
NCCH.header.RomfsSuperBlockSize = NCCH.romfs.SuperBlockLen / MEDIA_UNIT_SIZE;
Len += NCCH.header.RomfsSize * MEDIA_UNIT_SIZE;
NCCH.header.ExefsHash = NCCH.exefs.SuperBlockHash;
NCCH.header.RomfsHash = NCCH.romfs.SuperBlockHash;
NCCH.header.Size = (uint)(Len / MEDIA_UNIT_SIZE);
//Build the Header byte[].
updateTB(TB_Progress, "Building NCCH Header...");
NCCH.header.BuildHeader();
return NCCH;
}