public NintendoContentArchiveSource(NintendoContentFileSystemInfo fileSystemInfo, KeyConfiguration config, bool needsLogoPartition = false)
{
this.m_fileSystemInfo = fileSystemInfo;
this.m_keyConfig = config;
this.SetCryptor(this.m_keyConfig);
this.AddDefaultLogoPartitionIfNeeded(needsLogoPartition);
fileSystemInfo.fsEntries.Sort((Comparison <NintendoContentFileSystemInfo.EntryInfo>)((x, y) => x.partitionIndex.CompareTo(y.partitionIndex)));
NintendoContentFileSystemMeta meta = new NintendoContentFileSystemMeta();
NintendoContentFileSystemEntryInfoContainer fsEntries = new NintendoContentFileSystemEntryInfoContainer(fileSystemInfo.fsEntries);
List <ConcatenatedSource.Element> elements1 = new List <ConcatenatedSource.Element>();
NintendoContentArchiveSource.BodySourceElement[] bodySources = new NintendoContentArchiveSource.BodySourceElement[fileSystemInfo.fsEntries.Count];
long offset = (long)meta.GetFsHeaderSize() * 4L;
foreach (NintendoContentFileSystemInfo.EntryInfo entryInfo in fsEntries)
{
if (entryInfo.type != null)
{
ISource source = NintendoContentArchiveSource.GetDataSource(entryInfo);
if (fileSystemInfo.isProdEncryption && fileSystemInfo.contentType == (byte)0 && entryInfo.partitionIndex == 0)
{
source = this.AcidResignedSource(source);
}
if (fileSystemInfo.contentType == (byte)0 && entryInfo.partitionIndex == 1)
{
source = this.NrrSignedSource(source);
}
int currentIndex = fsEntries.CurrentIndex;
bodySources[currentIndex].DataOffset = offset;
NintendoContentArchiveSource.BuildDataInfo buildInfo = new NintendoContentArchiveSource.BuildDataInfo(meta, source, offset, currentIndex);
fileSystemInfo.fsEntries[currentIndex] = this.BuildData(entryInfo, buildInfo);
offset = buildInfo.CurrentOffset;
Sha256HierarchicalHashCalculatedSource calculatedSource = new Sha256HierarchicalHashCalculatedSource(buildInfo.HeaderSource, (int)buildInfo.HeaderSource.Size, 1);
ConcatenatedSource.Element element1 = new ConcatenatedSource.Element(calculatedSource.GetMasterHashSource(), "fsHeaderHash" + (object)currentIndex, (long)(32 * currentIndex));
elements1.Add(element1);
ConcatenatedSource.Element element2 = new ConcatenatedSource.Element((ISource)calculatedSource, "fsHeader" + (object)currentIndex, (long)currentIndex * (long)meta.GetFsHeaderSize());
bodySources[currentIndex].HeaderElement = element2;
bodySources[currentIndex].DataSourceElements = buildInfo.DataSourceElements;
}
}
if (fsEntries.IsReverse)
{
elements1.Reverse();
}
NintendoContentArchiveSource.BodyEncryptionKey bodyEncryptionKey = new NintendoContentArchiveSource.BodyEncryptionKey(fileSystemInfo);
this.MakeBody(meta, fsEntries, bodySources, bodyEncryptionKey);
this.MakeNcaHeader(meta, (ISource) new ConcatenatedSource(elements1), bodyEncryptionKey);
List <ConcatenatedSource.Element> elements2 = new List <ConcatenatedSource.Element>();
ConcatenatedSource.Element element3 = new ConcatenatedSource.Element(this.m_headerSource, "header", 0L);
ConcatenatedSource.Element element4 = new ConcatenatedSource.Element(this.m_bodySource, "body", element3.Source.Size);
elements2.Add(element3);
elements2.Add(element4);
this.m_source = (ISource) new ConcatenatedSource(elements2);
this.Size = this.m_source.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);
}
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;
}
