public Acid(Stream stream, int offset, KeySet keySet)
{
stream.Seek(offset, SeekOrigin.Begin);
var reader = new BinaryReader(stream);
Rsa2048Signature = reader.ReadBytes(0x100);
Rsa2048Modulus = reader.ReadBytes(0x100);
Magic = reader.ReadAscii(0x4);
if (Magic != "ACID")
{
throw new Exception("ACID Stream doesn't contain ACID section!");
}
Size = reader.ReadInt32();
if (keySet != null)
{
reader.BaseStream.Position = offset + 0x100;
byte[] signatureData = reader.ReadBytes(Size);
SignatureValidity =
CryptoOld.Rsa2048PssVerify(signatureData, Rsa2048Signature, keySet.AcidSigningKeyParams[0].Modulus);
}
reader.BaseStream.Position = offset + 0x208;
reader.ReadInt32();
//Bit0 must be 1 on retail, on devunit 0 is also allowed. Bit1 is unknown.
Flags = reader.ReadInt32();
TitleIdRangeMin = reader.ReadInt64();
TitleIdRangeMax = reader.ReadInt64();
int fsAccessControlOffset = reader.ReadInt32();
int fsAccessControlSize = reader.ReadInt32();
int serviceAccessControlOffset = reader.ReadInt32();
int serviceAccessControlSize = reader.ReadInt32();
int kernelAccessControlOffset = reader.ReadInt32();
int kernelAccessControlSize = reader.ReadInt32();
FsAccess = new FsAccessControl(stream, offset + fsAccessControlOffset);
ServiceAccess = new ServiceAccessControl(stream, offset + serviceAccessControlOffset, serviceAccessControlSize);
KernelAccess = new KernelAccessControl(stream, offset + kernelAccessControlOffset, kernelAccessControlSize);
}
public Aci0(Stream stream, int offset)
{
stream.Seek(offset, SeekOrigin.Begin);
var reader = new BinaryReader(stream);
Magic = reader.ReadAscii(0x4);
if (Magic != "ACI0")
{
throw new Exception("ACI0 Stream doesn't contain ACI0 section!");
}
stream.Seek(0xc, SeekOrigin.Current);
TitleId = reader.ReadInt64();
//Reserved.
stream.Seek(8, SeekOrigin.Current);
int fsAccessHeaderOffset = reader.ReadInt32();
int fsAccessHeaderSize = reader.ReadInt32();
int serviceAccessControlOffset = reader.ReadInt32();
int serviceAccessControlSize = reader.ReadInt32();
int kernelAccessControlOffset = reader.ReadInt32();
int kernelAccessControlSize = reader.ReadInt32();
if (fsAccessHeaderSize > 0)
{
var accessHeader = new FsAccessHeader(stream, offset + fsAccessHeaderOffset);
FsVersion = accessHeader.Version;
FsPermissionsBitmask = accessHeader.PermissionsBitmask;
}
if (serviceAccessControlSize > 0)
{
ServiceAccess = new ServiceAccessControl(stream, offset + serviceAccessControlOffset,
serviceAccessControlSize);
}
if (kernelAccessControlSize > 0)
{
KernelAccess =
new KernelAccessControl(stream, offset + kernelAccessControlOffset, kernelAccessControlSize);
}
}