public Header(IStorage storage, KeySet keySet)
{
MainStorage = storage;
MainHeader = MainStorage.Slice(0x100, 0x200);
DuplexHeader = MainStorage.Slice(0x300, 0x44);
DataIvfcHeader = MainStorage.Slice(0x344, 0xC0);
JournalHeader = MainStorage.Slice(0x408, 0x200);
SaveHeader = MainStorage.Slice(0x608, 0x48);
MainRemapHeader = MainStorage.Slice(0x650, 0x40);
MetaDataRemapHeader = MainStorage.Slice(0x690, 0x40);
ExtraDataStorage = MainStorage.Slice(0x6D8, 0x400);
FatIvfcHeader = MainStorage.Slice(0xAD8, 0xC0);
Layout = new FsLayout(MainHeader);
DuplexMasterBitmapA = MainStorage.Slice(Layout.DuplexMasterOffsetA, Layout.DuplexMasterSize);
DuplexMasterBitmapB = MainStorage.Slice(Layout.DuplexMasterOffsetB, Layout.DuplexMasterSize);
DataIvfcMaster = MainStorage.Slice(Layout.IvfcMasterHashOffsetA, Layout.IvfcMasterHashSize);
FatIvfcMaster = MainStorage.Slice(Layout.FatIvfcMasterHashA, Layout.IvfcMasterHashSize);
var reader = new BinaryReader(storage.AsStream());
reader.BaseStream.Position = 0;
Data = reader.ReadBytes(0x4000);
reader.BaseStream.Position = 0;
Cmac = reader.ReadBytes(0x10);
reader.BaseStream.Position = 0x100;
reader.BaseStream.Position = 0x300;
Duplex = new DuplexHeader(reader);
reader.BaseStream.Position = 0x6D8;
ExtraData = new ExtraData(reader);
Ivfc = new IvfcHeader(DataIvfcHeader)
{
NumLevels = 5
};
if (Layout.Version >= 0x50000)
{
FatIvfc = new IvfcHeader(FatIvfcHeader)
{
NumLevels = 4
};
}
MasterHash = storage.Slice(Layout.IvfcMasterHashOffsetA, Layout.IvfcMasterHashSize);
Span <byte> actualHeaderHash = stackalloc byte[Sha256.DigestSize];
Sha256.GenerateSha256Hash(Data.AsSpan(0x300, 0x3d00), actualHeaderHash);
HeaderHashValidity = Utilities.SpansEqual(Layout.Hash, actualHeaderHash) ? Validity.Valid : Validity.Invalid;
SignatureValidity = ValidateSignature(keySet);
}
public Header(IStorage storage, Keyset keyset)
{
MainStorage = storage;
MainHeader = MainStorage.Slice(0x100, 0x200);
DuplexHeader = MainStorage.Slice(0x300, 0x44);
DataIvfcHeader = MainStorage.Slice(0x344, 0xC0);
JournalHeader = MainStorage.Slice(0x408, 0x200);
SaveHeader = MainStorage.Slice(0x608, 0x48);
MainRemapHeader = MainStorage.Slice(0x650, 0x40);
MetaDataRemapHeader = MainStorage.Slice(0x690, 0x40);
ExtraDataStorage = MainStorage.Slice(0x6D8, 0x400);
FatIvfcHeader = MainStorage.Slice(0xAD8, 0xC0);
Layout = new FsLayout(MainHeader);
DuplexMasterBitmapA = MainStorage.Slice(Layout.DuplexMasterOffsetA, Layout.DuplexMasterSize);
DuplexMasterBitmapB = MainStorage.Slice(Layout.DuplexMasterOffsetB, Layout.DuplexMasterSize);
DataIvfcMaster = MainStorage.Slice(Layout.IvfcMasterHashOffsetA, Layout.IvfcMasterHashSize);
FatIvfcMaster = MainStorage.Slice(Layout.FatIvfcMasterHashA, Layout.IvfcMasterHashSize);
var reader = new BinaryReader(storage.AsStream());
reader.BaseStream.Position = 0;
Data = reader.ReadBytes(0x4000);
reader.BaseStream.Position = 0;
Cmac = reader.ReadBytes(0x10);
reader.BaseStream.Position = 0x100;
reader.BaseStream.Position = 0x300;
Duplex = new DuplexHeader(reader);
reader.BaseStream.Position = 0x6D8;
ExtraData = new ExtraData(reader);
Ivfc = new IvfcHeader(DataIvfcHeader)
{
NumLevels = 5
};
if (Layout.Version >= 0x50000)
{
FatIvfc = new IvfcHeader(FatIvfcHeader)
{
NumLevels = 4
};
}
MasterHash = storage.Slice(Layout.IvfcMasterHashOffsetA, Layout.IvfcMasterHashSize);
HeaderHashValidity = Crypto.CheckMemoryHashTable(Data, Layout.Hash, 0x300, 0x3d00);
SignatureValidity = ValidateSignature(keyset);
}