private void decryptStreams(MemoryStream inputStream, BinaryWriter outputStream, long size, long offset, Content content)
{
NUSDecryption nusdecryption = new NUSDecryption(getTicket());
short contentIndex = (short)content.index;
long encryptedFileSize = content.encryptedFileSize;
if (content.isEncrypted())
{
if (content.isHashed())
{
NUSDataProvider dataProvider = NUSTitle.dataProvider;
byte[] h3 = dataProvider.getContentH3Hash(content);
nusdecryption.decryptFileStreamHashed(inputStream, outputStream, size, offset, (short)contentIndex, h3);
}
else
{
nusdecryption.decryptFileStream(inputStream, outputStream, size, (short)contentIndex, content.SHA2Hash, encryptedFileSize);
}
}
else
{
StreamUtils.saveInputStreamToOutputStreamWithHash(inputStream, outputStream, size, content.SHA2Hash, encryptedFileSize);
}
inputStream.Close();
outputStream.Close();
}
public void decryptContentToStream(Content content, BinaryWriter outputStream)
{
if (content == null)
{
return;
}
NUSDataProvider dataProvider = NUSTitle.dataProvider;
MemoryStream inputStream = dataProvider.getInputStreamFromContent(content, 0);
decryptContentFromStream(inputStream, outputStream, content);
}
public NUSTitle loadNusTitle(NUSTitleConfig config)
{
NUSTitle result = new NUSTitle();
NUSDataProvider dataProvider = getDataProvider(result, config);
result.dataProvider = (dataProvider);
TMD tmd = TMD.parseTMD(dataProvider.getRawTMD());
result.TMD = (tmd);
if (tmd == null)
{
//MessageBox.Show("TMD not found.");
throw new Exception();
}
Ticket ticket = config.ticket;
if (ticket == null)
{
ticket = Ticket.parseTicket(dataProvider.getRawTicket());
}
result.ticket = ticket;
// System.out.println(ticket);
Content fstContent = tmd.getContentByIndex(0);
MemoryStream fstContentEncryptedStream = dataProvider.getInputStreamFromContent(fstContent, 0);
if (fstContentEncryptedStream == null)
{
return(null);
}
byte[] fstBytes = fstContentEncryptedStream.ToArray();// StreamUtils.getBytesFromStream(fstContentEncryptedStream, (int)fstContent.getEncryptedFileSize());
if (fstContent.isEncrypted())
{
AESDecryption aesDecryption = new AESDecryption(ticket.decryptedKey, new byte[0x10]);
fstBytes = aesDecryption.decrypt(fstBytes);
}
Dictionary <int, Content> contents = tmd.getAllContents();
FST fst = FST.parseFST(fstBytes, contents);
result.FST = (fst);
return(result);
}
public void decryptFSTEntryToStream(FSTEntry entry, BinaryWriter outputStream)
{
if (entry.isNotInPackage || entry.content == null)
{
return;
}
Content c = entry.content;
long fileSize = entry.fileSize;
long fileOffset = entry.fileOffset;
long fileOffsetBlock = entry.getFileOffsetBlock();
NUSDataProvider dataProvider = NUSTitle.dataProvider;
MemoryStream min = dataProvider.getInputStreamFromContent(c, fileOffsetBlock);
try
{
decryptFSTEntryFromStreams(min, outputStream, fileSize, fileOffset, c);
}
catch (Exception)
{
//MessageBox.Show("Hash doesn't match");
//if (entry.getFilename().endsWith(".xml")) {
// if (outputStream instanceof PipedOutputStream) {
// MessageBox.Show("Hash doesn't match. Please check the data for " + entry.getFullPath());
// } else {
// throw e;
// }
//} else if (entry.getContent().isUNKNWNFlag1Set()) {
// MessageBox.Show("But file is optional. Don't worry.");
//} else {
// StringBuilder sb = new StringBuilder();
// sb.append("Detailed info:").append(System.lineSeparator());
// sb.append(entry).append(System.lineSeparator());
// sb.append(entry.getContent()).append(System.lineSeparator());
// sb.append(String.format("%016x", this.NUSTitle.getTMD().getTitleID()));
// sb.append(e.getMessage() + " Calculated Hash: " + Utils.ByteArrayToString(e.getGivenHash()) + ", expected hash: "
// + Utils.ByteArrayToString(e.getExpectedHash()));
// MessageBox.Show(sb.toString());
// throw e;
//}
}
}
