ryujinx/Ryujinx.HLE/Loaders/Npdm/ACID.cs

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using System;
using System.IO;
namespace Ryujinx.HLE.Loaders.Npdm
{
class ACID
{
public byte[] RSA2048Signature;
public byte[] RSA2048Modulus;
public int Unknown1;
public int Flags;
public string TitleIdRangeMin;
public string TitleIdRangeMax;
private int FSAccessControlOffset;
private int FSAccessControlSize;
private int ServiceAccessControlOffset;
private int ServiceAccessControlSize;
private int KernelAccessControlOffset;
private int KernelAccessControlSize;
public FSAccessControl FSAccessControl;
public ServiceAccessControl ServiceAccessControl;
public KernelAccessControl KernelAccessControl;
public const long ACIDMagic = 'A' << 0 | 'C' << 8 | 'I' << 16 | 'D' << 24;
public ACID(Stream ACIDStream, int Offset)
{
ACIDStream.Seek(Offset, SeekOrigin.Begin);
BinaryReader Reader = new BinaryReader(ACIDStream);
RSA2048Signature = Reader.ReadBytes(0x100);
RSA2048Modulus = Reader.ReadBytes(0x100);
if (Reader.ReadInt32() != ACIDMagic)
{
throw new InvalidNpdmException("ACID Stream doesn't contain ACID section!");
}
Unknown1 = Reader.ReadInt32(); // Size field used with the above signature(?).
Reader.ReadInt32(); // Padding / Unused
Flags = Reader.ReadInt32(); // Bit0 must be 1 on retail, on devunit 0 is also allowed. Bit1 is unknown.
byte[] TempTitleIdRangeMin = Reader.ReadBytes(8);
Array.Reverse(TempTitleIdRangeMin);
TitleIdRangeMin = BitConverter.ToString(TempTitleIdRangeMin).Replace("-", "");
byte[] TempTitleIdRangeMax = Reader.ReadBytes(8);
Array.Reverse(TempTitleIdRangeMax);
TitleIdRangeMax = BitConverter.ToString(TempTitleIdRangeMax).Replace("-", "");
FSAccessControlOffset = Reader.ReadInt32();
FSAccessControlSize = Reader.ReadInt32();
ServiceAccessControlOffset = Reader.ReadInt32();
ServiceAccessControlSize = Reader.ReadInt32();
KernelAccessControlOffset = Reader.ReadInt32();
KernelAccessControlSize = Reader.ReadInt32();
FSAccessControl = new FSAccessControl(ACIDStream, Offset + FSAccessControlOffset, FSAccessControlSize);
ServiceAccessControl = new ServiceAccessControl(ACIDStream, Offset + ServiceAccessControlOffset, ServiceAccessControlSize);
KernelAccessControl = new KernelAccessControl(ACIDStream, Offset + KernelAccessControlOffset, KernelAccessControlSize);
}
}
}