private void MakeRomFSData(RomfsFile[] RomFiles, MemoryStream metadata)
{
TempFile = Path.GetRandomFileName();
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Computing IVFC Header Data...")));
IVFCInfo ivfc = new IVFCInfo();
ivfc.Levels = new IVFCLevel[3];
for (int i = 0; i < ivfc.Levels.Length; i++)
{
ivfc.Levels[i] = new IVFCLevel();
ivfc.Levels[i].BlockSize = 0x1000;
}
ivfc.Levels[2].DataLength = RomfsFile.GetDataBlockLength(RomFiles, (ulong)metadata.Length);
ivfc.Levels[1].DataLength = (Align(ivfc.Levels[2].DataLength, ivfc.Levels[2].BlockSize) / ivfc.Levels[2].BlockSize) * 0x20; //0x20 per SHA256 hash
ivfc.Levels[0].DataLength = (Align(ivfc.Levels[1].DataLength, ivfc.Levels[1].BlockSize) / ivfc.Levels[1].BlockSize) * 0x20; //0x20 per SHA256 hash
ulong MasterHashLen = (Align(ivfc.Levels[0].DataLength, ivfc.Levels[0].BlockSize) / ivfc.Levels[0].BlockSize) * 0x20;
ulong lofs = 0;
for (int i = 0; i < ivfc.Levels.Length; i++)
{
ivfc.Levels[i].HashOffset = lofs;
lofs += Align(ivfc.Levels[i].DataLength, ivfc.Levels[i].BlockSize);
}
uint IVFC_MAGIC = 0x43465649; //IVFC
uint RESERVED = 0x0;
uint HeaderLen = 0x5C;
uint MEDIA_UNIT_SIZE = 0x200;
byte[] SuperBlockHash = new byte[0x20];
FileStream OutFileStream = new FileStream(TempFile, FileMode.Create, FileAccess.ReadWrite);
try
{
OutFileStream.Seek(0, SeekOrigin.Begin);
OutFileStream.Write(BitConverter.GetBytes(IVFC_MAGIC), 0, 0x4);
OutFileStream.Write(BitConverter.GetBytes(0x10000), 0, 0x4);
OutFileStream.Write(BitConverter.GetBytes(MasterHashLen), 0, 0x4);
for (int i = 0; i < ivfc.Levels.Length; i++)
{
OutFileStream.Write(BitConverter.GetBytes(ivfc.Levels[i].HashOffset), 0, 0x8);
OutFileStream.Write(BitConverter.GetBytes(ivfc.Levels[i].DataLength), 0, 0x8);
OutFileStream.Write(BitConverter.GetBytes((int)(Math.Log(ivfc.Levels[i].BlockSize, 2))), 0, 0x4);
OutFileStream.Write(BitConverter.GetBytes(RESERVED), 0, 0x4);
}
OutFileStream.Write(BitConverter.GetBytes(HeaderLen), 0, 0x4);
//IVFC Header is Written.
OutFileStream.Seek((long)Align(MasterHashLen + 0x60, ivfc.Levels[0].BlockSize), SeekOrigin.Begin);
byte[] metadataArray = metadata.ToArray();
OutFileStream.Write(metadataArray, 0, metadataArray.Length);
long baseOfs = OutFileStream.Position;
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Writing Level 2 Data...")));
PB_Show.Invoke((Action)(() =>
{
PB_Show.Minimum = 0;
PB_Show.Maximum = RomFiles.Length;
PB_Show.Value = 0;
PB_Show.Step = 1;
}));
for (int i = 0; i < RomFiles.Length; i++)
{
OutFileStream.Seek((long)(baseOfs + (long)RomFiles[i].Offset), SeekOrigin.Begin);
using (FileStream inStream = new FileStream(RomFiles[i].FullName, FileMode.Open, FileAccess.Read))
{
while (inStream.Position < inStream.Length)
{
byte[] buffer = new byte[inStream.Length - inStream.Position > 0x100000 ? 0x100000 : inStream.Length - inStream.Position];
inStream.Read(buffer, 0, buffer.Length);
OutFileStream.Write(buffer, 0, buffer.Length);
}
}
PB_Show.Invoke((Action)(() => PB_Show.PerformStep()));
}
long hashBaseOfs = (long)Align((ulong)OutFileStream.Position, ivfc.Levels[2].BlockSize);
long hOfs = (long)Align(MasterHashLen, ivfc.Levels[0].BlockSize);
long cOfs = hashBaseOfs + (long)ivfc.Levels[1].HashOffset;
SHA256Managed sha = new SHA256Managed();
for (int i = ivfc.Levels.Length - 1; i >= 0; i--)
{
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Computing Level " + i + " Hashes...")));
byte[] buffer = new byte[(int)ivfc.Levels[i].BlockSize];
PB_Show.Invoke((Action)(() =>
{
PB_Show.Minimum = 0;
PB_Show.Maximum = (int)(ivfc.Levels[i].DataLength / ivfc.Levels[i].BlockSize);
PB_Show.Value = 0;
PB_Show.Step = 1;
}));
for (long ofs = 0; ofs < (long)ivfc.Levels[i].DataLength; ofs += ivfc.Levels[i].BlockSize)
{
OutFileStream.Seek(hOfs, SeekOrigin.Begin);
OutFileStream.Read(buffer, 0, (int)ivfc.Levels[i].BlockSize);
hOfs = OutFileStream.Position;
byte[] hash = sha.ComputeHash(buffer);
OutFileStream.Seek(cOfs, SeekOrigin.Begin);
OutFileStream.Write(hash, 0, hash.Length);
cOfs = OutFileStream.Position;
PB_Show.Invoke((Action)(() => PB_Show.PerformStep()));
}
if (i == 2)
{
long len = OutFileStream.Position;
if (len % 0x1000 != 0)
{
len = (long)Align((ulong)len, 0x1000);
byte[] buf = new byte[len - OutFileStream.Position];
OutFileStream.Write(buf, 0, buf.Length);
}
}
if (i > 0)
{
hOfs = hashBaseOfs + (long)ivfc.Levels[i - 1].HashOffset;
if (i > 1)
{
cOfs = hashBaseOfs + (long)ivfc.Levels[i - 2].HashOffset;
}
else
{
cOfs = (long)Align(HeaderLen, PADDING_ALIGN);
}
}
}
OutFileStream.Seek(0, SeekOrigin.Begin);
uint SuperBlockLen = (uint)Align(MasterHashLen + 0x60, MEDIA_UNIT_SIZE);
byte[] MasterHashes = new byte[SuperBlockLen];
OutFileStream.Read(MasterHashes, 0, (int)SuperBlockLen);
SuperBlockHash = sha.ComputeHash(MasterHashes);
}
finally
{
if (OutFileStream != null)
OutFileStream.Dispose();
}
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("RomFS Super Block Hash: " + ByteArrayToString(SuperBlockHash))));
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Prompting to Save...")));
SaveFileDialog sfd = new SaveFileDialog();
Invoke((Action)(() =>
{
if (sfd.ShowDialog() == DialogResult.OK)
{
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Writing Binary to " + sfd.FileName + "...")));
Thread thread = new Thread(() => WriteBinary(TempFile, sfd.FileName));
thread.IsBackground = true;
thread.Start();
}
}));
}
private void MakeRomFSData(RomfsFile[] RomFiles, MemoryStream metadata)
{
TempFile = Path.GetRandomFileName();
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Computing IVFC Header Data...")));
IVFCInfo ivfc = new IVFCInfo();
ivfc.Levels = new IVFCLevel[3];
for (int i = 0; i < ivfc.Levels.Length; i++)
{
ivfc.Levels[i] = new IVFCLevel();
ivfc.Levels[i].BlockSize = 0x1000;
}
ivfc.Levels[2].DataLength = RomfsFile.GetDataBlockLength(RomFiles, (ulong)metadata.Length);
ivfc.Levels[1].DataLength = (Align(ivfc.Levels[2].DataLength, ivfc.Levels[2].BlockSize) / ivfc.Levels[2].BlockSize) * 0x20; //0x20 per SHA256 hash
ivfc.Levels[0].DataLength = (Align(ivfc.Levels[1].DataLength, ivfc.Levels[1].BlockSize) / ivfc.Levels[1].BlockSize) * 0x20; //0x20 per SHA256 hash
ulong MasterHashLen = (Align(ivfc.Levels[0].DataLength, ivfc.Levels[0].BlockSize) / ivfc.Levels[0].BlockSize) * 0x20;
ulong lofs = 0;
for (int i = 0; i < ivfc.Levels.Length; i++)
{
ivfc.Levels[i].HashOffset = lofs;
lofs += Align(ivfc.Levels[i].DataLength, ivfc.Levels[i].BlockSize);
}
uint IVFC_MAGIC = 0x43465649; //IVFC
uint RESERVED = 0x0;
uint HeaderLen = 0x5C;
uint MEDIA_UNIT_SIZE = 0x200;
byte[] SuperBlockHash = new byte[0x20];
FileStream OutFileStream = new FileStream(TempFile, FileMode.Create, FileAccess.ReadWrite);
try
{
OutFileStream.Seek(0, SeekOrigin.Begin);
OutFileStream.Write(BitConverter.GetBytes(IVFC_MAGIC), 0, 0x4);
OutFileStream.Write(BitConverter.GetBytes(0x10000), 0, 0x4);
OutFileStream.Write(BitConverter.GetBytes(MasterHashLen), 0, 0x4);
for (int i = 0; i < ivfc.Levels.Length; i++)
{
OutFileStream.Write(BitConverter.GetBytes(ivfc.Levels[i].HashOffset), 0, 0x8);
OutFileStream.Write(BitConverter.GetBytes(ivfc.Levels[i].DataLength), 0, 0x8);
OutFileStream.Write(BitConverter.GetBytes((int)(Math.Log(ivfc.Levels[i].BlockSize, 2))), 0, 0x4);
OutFileStream.Write(BitConverter.GetBytes(RESERVED), 0, 0x4);
}
OutFileStream.Write(BitConverter.GetBytes(HeaderLen), 0, 0x4);
//IVFC Header is Written.
OutFileStream.Seek((long)Align(MasterHashLen + 0x60, ivfc.Levels[0].BlockSize), SeekOrigin.Begin);
byte[] metadataArray = metadata.ToArray();
OutFileStream.Write(metadataArray, 0, metadataArray.Length);
long baseOfs = OutFileStream.Position;
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Writing Level 2 Data...")));
PB_Show.Invoke((Action)(() =>
{
PB_Show.Minimum = 0;
PB_Show.Maximum = RomFiles.Length;
PB_Show.Value = 0;
PB_Show.Step = 1;
}));
for (int i = 0; i < RomFiles.Length; i++)
{
OutFileStream.Seek((long)(baseOfs + (long)RomFiles[i].Offset), SeekOrigin.Begin);
using (FileStream inStream = new FileStream(RomFiles[i].FullName, FileMode.Open, FileAccess.Read))
{
while (inStream.Position < inStream.Length)
{
byte[] buffer = new byte[inStream.Length - inStream.Position > 0x100000 ? 0x100000 : inStream.Length - inStream.Position];
inStream.Read(buffer, 0, buffer.Length);
OutFileStream.Write(buffer, 0, buffer.Length);
}
}
PB_Show.Invoke((Action)(() => PB_Show.PerformStep()));
}
long hashBaseOfs = (long)Align((ulong)OutFileStream.Position, ivfc.Levels[2].BlockSize);
long hOfs = (long)Align(MasterHashLen, ivfc.Levels[0].BlockSize);
long cOfs = hashBaseOfs + (long)ivfc.Levels[1].HashOffset;
SHA256Managed sha = new SHA256Managed();
for (int i = ivfc.Levels.Length - 1; i >= 0; i--)
{
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Computing Level " + i + " Hashes...")));
byte[] buffer = new byte[(int)ivfc.Levels[i].BlockSize];
PB_Show.Invoke((Action)(() =>
{
PB_Show.Minimum = 0;
PB_Show.Maximum = (int)(ivfc.Levels[i].DataLength / ivfc.Levels[i].BlockSize);
PB_Show.Value = 0;
PB_Show.Step = 1;
}));
for (long ofs = 0; ofs < (long)ivfc.Levels[i].DataLength; ofs += ivfc.Levels[i].BlockSize)
{
OutFileStream.Seek(hOfs, SeekOrigin.Begin);
OutFileStream.Read(buffer, 0, (int)ivfc.Levels[i].BlockSize);
hOfs = OutFileStream.Position;
byte[] hash = sha.ComputeHash(buffer);
OutFileStream.Seek(cOfs, SeekOrigin.Begin);
OutFileStream.Write(hash, 0, hash.Length);
cOfs = OutFileStream.Position;
PB_Show.Invoke((Action)(() => PB_Show.PerformStep()));
}
if (i == 2)
{
long len = OutFileStream.Position;
if (len % 0x1000 != 0)
{
len = (long)Align((ulong)len, 0x1000);
byte[] buf = new byte[len - OutFileStream.Position];
OutFileStream.Write(buf, 0, buf.Length);
}
}
if (i > 0)
{
hOfs = hashBaseOfs + (long)ivfc.Levels[i - 1].HashOffset;
if (i > 1)
{
cOfs = hashBaseOfs + (long)ivfc.Levels[i - 2].HashOffset;
}
else
{
cOfs = (long)Align(HeaderLen, PADDING_ALIGN);
}
}
}
OutFileStream.Seek(0, SeekOrigin.Begin);
uint SuperBlockLen = (uint)Align(MasterHashLen + 0x60, MEDIA_UNIT_SIZE);
byte[] MasterHashes = new byte[SuperBlockLen];
OutFileStream.Read(MasterHashes, 0, (int)SuperBlockLen);
SuperBlockHash = sha.ComputeHash(MasterHashes);
}
finally
{
if (OutFileStream != null)
{
OutFileStream.Dispose();
}
}
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("RomFS Super Block Hash: " + ByteArrayToString(SuperBlockHash))));
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Prompting to Save...")));
SaveFileDialog sfd = new SaveFileDialog();
Invoke((Action)(() =>
{
if (sfd.ShowDialog() == DialogResult.OK)
{
TB_Progress.Invoke((Action)(() => UpdateTB_Progress("Writing Binary to " + sfd.FileName + "...")));
Thread thread = new Thread(() => WriteBinary(TempFile, sfd.FileName));
thread.IsBackground = true;
thread.Start();
}
}));
}
