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More tests for encrypted RomFs

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This commit is contained in:
Dmitry Isaenko 2022-09-11 05:09:31 +03:00
parent 5e5cab0729
commit 0cc5d41aef
2 changed files with 128 additions and 5 deletions
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2
src/test/java/libKonogonka/RomFsDecrypted/Pfs0EncryptedTest.java
View file

@ -37,7 +37,7 @@ public class Pfs0EncryptedTest {
private static KeyChainHolder keyChainHolder;
private static NCAProvider ncaProvider;
@Disabled
@DisplayName("PFS0 Encrypted test")
@Test
void pfs0test() throws Exception{

131
src/test/java/libKonogonka/RomFsDecrypted/RomFsEncryptedTest.java
View file

@ -18,15 +18,17 @@
*/
package libKonogonka.RomFsDecrypted;
import libKonogonka.ctraes.AesCtrBufferedInputStream;
import libKonogonka.KeyChainHolder;
import libKonogonka.Tools.NCA.NCAHeaderTableEntry;
import libKonogonka.RainbowDump;
import libKonogonka.Tools.NCA.NCAProvider;
import libKonogonka.Tools.NCA.NCASectionTableBlock.NcaFsHeader;
import libKonogonka.Tools.RomFs.FileSystemEntry;
import libKonogonka.ctraes.AesCtrDecryptSimple;
import org.junit.jupiter.api.*;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.*;
import java.nio.file.Files;
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class RomFsEncryptedTest {
@ -66,6 +68,7 @@ public class RomFsEncryptedTest {
@Test
void romFsValidation() throws Exception{
for (byte i = 0; i < 4; i++){
System.out.println("..:: TEST SECTION #"+i+" ::..");
if (ncaProvider.getSectionBlock(i).getFsType() == 0 && ncaProvider.getSectionBlock(i).getCryptoType() != 0){
ncaProvider.getNCAContentProvider(i).getRomfs().printDebug();
ncaProvider.getSectionBlock(i).printDebug();
@ -86,8 +89,128 @@ public class RomFsEncryptedTest {
}
}
private AesCtrDecryptSimple decryptSimple;
long ACBISoffsetPosition;
long ACBISmediaStartOffset;
long ACBISmediaEndOffset;
@Disabled
@Order(5)
@DisplayName("AesCtrBufferedInputStream: RomFs AES-CTR dump validation")
@Test
void AesCtrBufferedInputStreamTest() throws Exception {
File nca = new File(ncaFileLocation);
System.out.println("NCA SIZE: "+RainbowDump.formatDecHexString(nca.length()));
System.out.println(ncaProvider.getSectionBlock1().getSuperBlockIVFC().getLvl6Offset());
FileSystemEntry entry = ncaProvider.getNCAContentProvider(1).getRomfs().getRootEntry();
System.out.println(" entry.getFileOffset(): " + entry.getOffset());
System.out.println(" entry.getFileSize(): " + entry.getSize());
ACBISoffsetPosition = 0;
ACBISmediaStartOffset = ncaProvider.getTableEntry1().getMediaStartOffset();
ACBISmediaEndOffset = ncaProvider.getTableEntry1().getMediaEndOffset();
decryptSimple = new AesCtrDecryptSimple(
ncaProvider.getDecryptedKey2(),
ncaProvider.getSectionBlock1().getSectionCTR(),
ncaProvider.getTableEntry1().getMediaStartOffset()*0x200);
exportFolderContent(entry, "/tmp/brandnew");
//----------------------------------------------------------------------
exportFolderContentLegacy(entry, "/tmp/legacy");
}
private void exportFolderContent(FileSystemEntry entry, String saveToLocation) throws Exception{
File contentFile = new File(saveToLocation + entry.getName());
contentFile.mkdirs();
String currentDirPath = saveToLocation + entry.getName() + File.separator;
for (FileSystemEntry fse : entry.getContent()){
if (fse.isDirectory())
exportFolderContent(fse, currentDirPath);
else
exportSingleFile(fse, currentDirPath);
}
}
private void exportSingleFile(FileSystemEntry entry, String saveToLocation) throws Exception {
File contentFile = new File(saveToLocation + entry.getName());
BufferedOutputStream extractedFileBOS = new BufferedOutputStream(Files.newOutputStream(contentFile.toPath()));
//---
InputStream is = Files.newInputStream(new File(ncaFileLocation).toPath());
AesCtrBufferedInputStream aesCtrBufferedInputStream = new AesCtrBufferedInputStream(
decryptSimple,
ACBISoffsetPosition,
ACBISmediaStartOffset,
ACBISmediaEndOffset,
is);
long skipBytes = entry.getOffset()
+ncaProvider.getTableEntry1().getMediaStartOffset()*0x200
+ncaProvider.getNCAContentProvider(1).getRomfs().getHeader().getFileDataOffset()
+ncaProvider.getSectionBlock1().getSuperBlockIVFC().getLvl6Offset();
System.out.println("SUM: "+(entry.getOffset()
+ ncaProvider.getTableEntry1().getMediaStartOffset()*0x200
+ncaProvider.getNCAContentProvider(1).getRomfs().getHeader().getFileDataOffset()
+ncaProvider.getSectionBlock1().getSuperBlockIVFC().getLvl6Offset()));
if (skipBytes != aesCtrBufferedInputStream.skip(skipBytes))
throw new Exception("Can't skip");
int blockSize = 0x200;
if (entry.getSize() < 0x200)
blockSize = (int) entry.getSize();
long i = 0;
byte[] block = new byte[blockSize];
int actuallyRead;
while (true) {
if ((actuallyRead = aesCtrBufferedInputStream.read(block)) != blockSize)
throw new Exception("Read failure. Block Size: "+blockSize+", actuallyRead: "+actuallyRead);
extractedFileBOS.write(block);
i += blockSize;
if ((i + blockSize) > entry.getSize()) {
blockSize = (int) (entry.getSize() - i);
if (blockSize == 0)
break;
block = new byte[blockSize];
}
}
//---
extractedFileBOS.close();
}
private void exportFolderContentLegacy(FileSystemEntry entry, String saveToLocation) throws Exception{
File contentFile = new File(saveToLocation + entry.getName());
contentFile.mkdirs();
String currentDirPath = saveToLocation + entry.getName() + File.separator;
for (FileSystemEntry fse : entry.getContent()){
if (fse.isDirectory())
exportFolderContentLegacy(fse, currentDirPath);
else
exportSingleFileLegacy(fse, currentDirPath);
}
}
private void exportSingleFileLegacy(FileSystemEntry entry, String saveToLocation) throws Exception {
File contentFile = new File(saveToLocation + entry.getName());
BufferedOutputStream extractedFileBOS = new BufferedOutputStream(new FileOutputStream(contentFile));
PipedInputStream pis = ncaProvider.getNCAContentProvider(1).getRomfs().getContent(entry);
byte[] readBuf = new byte[0x200]; // 8mb NOTE: consider switching to 1mb 1048576
int readSize;
while ((readSize = pis.read(readBuf)) > -1) {
extractedFileBOS.write(readBuf, 0, readSize);
readBuf = new byte[0x200];
}
extractedFileBOS.close();
}
@Disabled
@Order(6)
@DisplayName("RomFsEncryptedProvider: PFS test")
@Test
void pfsValidation(){