public static Tuple <byte[], byte[]> MakePFS0(string InputFile, int HashSize, uint Section, byte Crypto, byte CTRO)
{
byte[] Buf = new byte[HashSize];
var Input = File.Open(InputFile, FileMode.Open);
ulong PreAlignmentSize = (ulong)new FileInfo(InputFile).Length;
var MemStrm = new MemoryStream();
var Writer = new BinaryWriter(MemStrm);
foreach (int i in Enumerable.Range(0, (((int)Math.Ceiling((decimal)Input.Length / HashSize) * HashSize) / HashSize)))
{
var SHA = new SHA256Managed();
if (i < ((int)Math.Ceiling((decimal)(((int)Math.Ceiling((decimal)Input.Length / HashSize) * HashSize) / HashSize) - 1)))
{
Input.Read(Buf, 0, HashSize);
Utils.Align(ref Buf, HashSize);
Writer.Write(SHA.ComputeHash(Buf, 0, HashSize));
}
else
{
Input.Read(Buf, 0, HashSize - (((int)Math.Ceiling((decimal)Input.Length / HashSize) * HashSize) - (int)PreAlignmentSize));
Writer.Write(SHA.ComputeHash(Buf, 0, HashSize - ((int)Math.Ceiling((decimal)(((int)Math.Ceiling((decimal)Input.Length / HashSize) * HashSize) - (int)PreAlignmentSize)))));
}
}
var HashArray = MemStrm.ToArray();
Writer.Dispose();
MemStrm.Dispose();
Input.Dispose();
var Header = Structs.PFS0(CryptoInitialisers.GenSHA256Hash(HashArray), (uint)HashSize, 2, 0, (ulong)HashArray.Length, (ulong)HashArray.Length, PreAlignmentSize, CTRO);
var FullHdr = Structs.SectionHeader(Structs.Type_PFS0, (byte)Section, Crypto, Header);
return(Tuple.Create(FullHdr, HashArray));
}
public static byte[] Ticket(string Issuer, byte[] Key, string TitleID, byte Generation)
{
return(Structs.Ticket("Root-CA00000003-XS00000020", Key, 0, Generation, StringToBytes($"{ TitleID}000000000000000{Generation}")));
}