public static TMD Create(Stream stream)
{
u16 numcontents;
TMD tmd = new TMD(Signature.Create(stream));
EndianReader reader = new EndianReader(stream, Endianness.BigEndian);
tmd.Version = reader.ReadByte();
tmd.CaCrlVersion = reader.ReadByte();
tmd.SignerCrlVersion = reader.ReadByte();
tmd.Padding = reader.ReadByte();
tmd.SystemVersion = reader.ReadUInt64();
tmd.TitleID = reader.ReadUInt64();
tmd.TitleType = reader.ReadUInt32();
tmd.GroupID = reader.ReadUInt16();
reader.ReadBytes(tmd.Padding2);
tmd.AccessRights = reader.ReadUInt32();
tmd.TitleVersion = reader.ReadUInt16();
numcontents = reader.ReadUInt16();
tmd.BootIndex = reader.ReadUInt16();
tmd.Padding3 = reader.ReadUInt16();
for (int i = 0; i < numcontents; i++)
{
tmd.Contents.Add(TmdContent.Create(stream));
}
return(tmd);
}
public Stream CreateDecryptionStream(TmdContent content, Stream data)
{
byte[] iv = new byte[0x10];
BigEndianConverter.GetBytes(content.Index).CopyTo(iv, 0);
Stream stream = new Substream(new AesStream(data, Key, iv), 0, content.Size);
return(stream);
}
public static TmdContent Create(Stream stream)
{
EndianReader reader = new EndianReader(stream, Endianness.BigEndian);
TmdContent content = new TmdContent();
content.ContentID = reader.ReadUInt32();
content.Index = reader.ReadUInt16();
content.Type = reader.ReadUInt16();
content.Size = reader.ReadInt64();
reader.ReadBytes(content.Hash);
return(content);
}
public DlcBin(Stream stream)
{
Key = new u8[Util.AesKeySize];
Bk = BackupHeader.Create(stream);
stream.Position = Util.RoundUp(stream.Position, 0x40);
TMD = TMD.Create(stream);
stream.Position = Util.RoundUp(stream.Position, 0x40);
u16 index = u16.MaxValue;
for (int i = 0; i < Bk.ContentIndex.Length; i++)
{
if (Bk.ContentIndex[i] != 0)
{
index = (u16)(i * 8);
for (int k = 1; k < 8; k++)
{
if ((Bk.ContentIndex[i] & (1 << k)) != 0)
{
index += (u16)k;
}
}
}
}
if (index != ushort.MaxValue)
{
Content = TMD.Contents[index];
}
RawData = new Substream(stream, stream.Position, Content != null ? Util.RoundUp(Content.Size, 0x40) : (stream.Length - stream.Position));
if (Content != null)
{
byte[] iv = new byte[0x10];
BigEndianConverter.GetBytes(Content.Index).CopyTo(iv, 0);
Data = new Substream(new AesStream(RawData, Key, iv), 0, Content.Size);
}
}
