bool xWriteHeader(RSAParams xParams) { try { DJsIO xio = new DJsIO(true); xHeaderData.Write(ref xio); xio.SetLength(0xB000); xio.Position = 0x340; xio.Write((uint)0xAD0E); xio.Position = 0x379; xio.Write(new byte[] { 0x24, 5, 5, 0x11 }); IO.Position = 0x37D; xio.Write(IO.ReadBytes(20)); xio.Write((byte)((xIsShifted ? 1 : 0) << 6)); xio.WriteUInt24(xBlockCount); xio.Write(xDeviation); xio.Flush(); xio.Position = 0x344; byte[] xHash = SHA1Quick.ComputeHash(xio.ReadBytes((int)(xio.Length - 0x344))); xio.Position = 0x32C; xio.Write(xHash); xio.Flush(); xio.Position = 0x22C; xHash = SHA1Quick.ComputeHash(xio.ReadBytes(0x118)); xio.Position = 4; if (xParams.Type == PackageMagic.CON) { xio.Write(xParams.Certificate); xio.Write(ScrambleMethods.StockScramble(RSAQuick.SignatureGenerate(xParams.RSAKeys, xHash), true)); } else { xio.Write(ScrambleMethods.DevScramble(RSAQuick.SignatureGenerate(xParams.RSAKeys, xHash))); xio.Write(new byte[0x128]); } xio.IsBigEndian = true; xio.Position = 0; xio.Write(((uint)xParams.Type)); xio.Flush(); xHeaderData.xMagic = xParams.Type; IO.Position = 0; IO.Write(xio.ReadStream()); IO.Flush(); xio.Dispose(); return(true); } catch { return(false); } }
/// <summary> /// Builds the package /// </summary> /// <param name="xParams"></param> /// <param name="ContentType"></param> /// <returns></returns> public bool Create(RSAParams xParams, PackageType ContentType) { if (BaseImage == null) { throw new Exception("No image"); } if (!xParams.Valid) { throw CryptoExcepts.ParamError; } if (ContentType != PackageType.HDDInstalledGame && ContentType != PackageType.OriginalXboxGame && ContentType != PackageType.GamesOnDemand && ContentType != PackageType.SocialTitle) { return(false); } if (xActive) { return(false); } xActive = true; DJsIO x = null; DJsIO h = null; try { string outlocale = OutLocation.Replace('\\', '/'); if (outlocale[outlocale.Length - 1] == '/') { outlocale = outlocale.Substring(0, outlocale.Length - 1); } outlocale += '/' + ((uint)ContentType).ToString("X8"); string DataFolder = outlocale + "/" + xHeader.TitleID.ToString("X8") + ".data"; if (!VariousFunctions.xCheckDirectory(OutLocation)) { throw IOExcepts.CreateError; } if (!VariousFunctions.xCheckDirectory(DataFolder)) { throw IOExcepts.CreateError; } uint xBlockCount = 0; uint xDataFileCount = 0; long xDataLength = 0; BaseImage.xIO.Position = BaseImage.baseoffset; while (BaseImage.xIO.Position < BaseImage.xIO.Length) { if ((xBlockCount % Constants.SVODBL[1]) == 0) { if (x != null) { for (int i = 0; i < 0xCB; i++) { x.Position = SVODFuncs.GenerateHashOffset((uint)(i * Constants.SVODBL[0]), 0); byte[] Data1 = SHA1Quick.ComputeHash(x.ReadBytes(0x1000)); x.Position = SVODFuncs.GenerateHashOffset((uint)(i * Constants.SVODBL[0]), 1); x.Write(Data1); } x.Flush(); xDataLength += x.Length; x.Close(); } x = new DJsIO(DataFolder + SVODFuncs.formatstring(xDataFileCount), DJFileMode.Create, true); xDataFileCount++; } x.Position = SVODFuncs.GenerateDataOffset(xBlockCount); byte[] Data = BaseImage.xIO.ReadBytes(0x1000); x.Write(Data); x.Position = SVODFuncs.GenerateHashOffset(xBlockCount, 0); x.Write(SHA1Quick.ComputeHash(Data)); xBlockCount++; } if (xBlockCount == 0) { x.Close(); return(xActive = false); } x.Flush(); xDataLength += x.Length; int lvlct = (int)((((xBlockCount % Constants.SVODBL[1]) - 1) / Constants.SVODBL[0]) + 1); for (int i = 0; i < lvlct; i++) { x.Position = SVODFuncs.GenerateHashOffset((uint)(i * Constants.SVODBL[0]), 0); byte[] Data1 = SHA1Quick.ComputeHash(x.ReadBytes(0x1000)); x.Position = SVODFuncs.GenerateHashOffset((uint)(i * Constants.SVODBL[0]), 1); x.Write(Data1); } x.Flush(); x.Close(); byte[] Hash = null; for (int i = (int)(xDataFileCount - 1); i >= 0; i--) { x = new DJsIO(DataFolder + SVODFuncs.formatstring((uint)i), DJFileMode.Open, true); if (Hash != null) { x.Position = 0xFF0; x.Write(Hash); x.Flush(); } x.Position = 0; Hash = SHA1Quick.ComputeHash(x.ReadBytes(0x1000)); } xHeader.DataFileSize = xDataLength; xHeader.DataFileCount = xDataFileCount; xHeader.xThisType = ContentType; h = new DJsIO(outlocale + "/" + xHeader.TitleID.ToString("X8"), DJFileMode.Create, true); xHeader.Write(ref h); h.SetLength(0xB000); h.Position = 0x340; h.Write((uint)0xAD0E); h.Position = 0x379; h.Write(new byte[] { 0x24, 5, 5, 0x11 }); h.Write(Hash); h.Write((byte)((Deviation == 0) ? 0 : 0x40)); h.WriteUInt24(xBlockCount); h.Write(Deviation, false); h.Position = 0x344; byte[] xHash = SHA1Quick.ComputeHash(h.ReadBytes((int)(h.Length - 0x344))); h.Position = 0x32C; h.Write(xHash); h.Flush(); h.Position = 0x22C; xHash = SHA1Quick.ComputeHash(h.ReadBytes(0x118)); h.Position = 4; if (xParams.Type == PackageMagic.CON) { h.Write(xParams.Certificate); h.Write(ScrambleMethods.StockScramble(RSAQuick.SignatureGenerate(xParams.RSAKeys, xHash), true)); } else { h.Write(ScrambleMethods.DevScramble(RSAQuick.SignatureGenerate(xParams.RSAKeys, xHash))); h.Write(new byte[0x128]); } h.IsBigEndian = true; h.Position = 0; h.Write(((uint)xParams.Type)); xHeader.xMagic = xParams.Type; h.Flush(); h.Close(); return(!(xActive = false)); } catch { if (x != null) { x.Close(); } if (h != null) { h.Close(); } return(xActive = false); } }