private void MakeBody(NintendoContentFileSystemMeta meta, NintendoContentFileSystemEntryInfoContainer fsEntries, NintendoContentArchiveSource.BodySourceElement[] bodySources, NintendoContentArchiveSource.BodyEncryptionKey bodyEncryptionKey)
{
List <ConcatenatedSource.Element> elements = new List <ConcatenatedSource.Element>();
for (int index = 0; index < bodySources.Length; ++index)
{
if (bodySources[index].HeaderElement == null)
{
PaddingSource paddingSource = new PaddingSource((long)meta.GetFsHeaderSize());
elements.Add(new ConcatenatedSource.Element((ISource)paddingSource, "fsHeader" + (object)index, (long)index * (long)meta.GetFsHeaderSize()));
}
else
{
ConcatenatedSource.Element headerElement = bodySources[index].HeaderElement;
ISource source = (ISource) new Aes128XtsEncryptedSource(headerElement.Source, this.m_headerEncryptor);
elements.Add(new ConcatenatedSource.Element(source, headerElement.Signature, headerElement.Offset));
}
}
for (int length = bodySources.Length; length < 4; ++length)
{
PaddingSource paddingSource = new PaddingSource((long)meta.GetFsHeaderSize());
elements.Add(new ConcatenatedSource.Element((ISource)paddingSource, "fsHeader" + (object)length, (long)length * (long)meta.GetFsHeaderSize()));
}
foreach (NintendoContentFileSystemInfo.EntryInfo fsEntry in fsEntries)
{
int currentIndex = fsEntries.CurrentIndex;
ISource source = (ISource) new ConcatenatedSource(bodySources[currentIndex].DataSourceElements);
switch (fsEntry.encryptionType)
{
case 1:
elements.Add(new ConcatenatedSource.Element(source, "fsData" + (object)currentIndex, bodySources[currentIndex].DataOffset));
continue;
case 3:
source = (ISource) new Aes128CtrEncryptedSource(source, (ICtrModeEncryptor) new Aes128CtrCryptoDriver(bodyEncryptionKey.GetInternalKey(NintendoContentArchiveEncryptionKeyIndex.AesCtr)), (int)this.m_fileSystemInfo.keyGeneration, (long)fsEntry.startOffset);
goto case 1;
default:
throw new InvalidDataException();
}
}
this.m_bodySource = (ISource) new ConcatenatedSource(elements);
this.m_fileSystemInfo.contentSize = meta.GetHeaderSize() + (ulong)this.m_bodySource.Size;
}
private void MakeNcaHeader(NintendoContentFileSystemMeta meta, ISource fsHeadersHashSource, NintendoContentArchiveSource.BodyEncryptionKey bodyEncryptionKey)
{
byte[] array = bodyEncryptionKey.ToArray();
byte[] dst = new byte[array.Length];
this.m_bodyEncryptionKeyEncryptor.EncryptBlock(array, 0, array.Length, dst, 0);
Buffer.BlockCopy((Array)dst, 0, (Array)this.m_fileSystemInfo.encryptedKey, 0, dst.Length);
Rsa2048PssSha256SignedSource sha256SignedSource = new Rsa2048PssSha256SignedSource((ISource) new AdaptedSource((ISource) new MemorySource(meta.CreateNcaHeader(this.m_fileSystemInfo), 512, (int)((long)meta.GetHeaderSize() - 512L)), fsHeadersHashSource, 128L, fsHeadersHashSource.Size), this.m_header1Signer, this.m_header2Signer);
this.m_headerSource = (ISource) new Aes128XtsEncryptedSource((ISource) new ConcatenatedSource(new List <ConcatenatedSource.Element>()
{
new ConcatenatedSource.Element(sha256SignedSource.GetSignatureValueSource(0), "headerSign1", 0L),
new ConcatenatedSource.Element(sha256SignedSource.GetSignatureValueSource(1), "headerSign2", 256L),
new ConcatenatedSource.Element((ISource)sha256SignedSource, "headerMain", 512L)
}), this.m_headerEncryptor);
}
