Small enhancements in old code + some fixes for AesCtrBufferedInputStream

src/main/java/libKonogonka/Tools/NCA/NCAContent.java

@@ -90,7 +90,7 @@ public class NCAContent {
     }
     private void proceedPFS0NotEncrypted() throws Exception{
         RandomAccessFile raf = new RandomAccessFile(file, "r");
-        long thisMediaLocation = offsetPosition + (ncaHeaderTableEntry.getMediaStartOffset() * 0x200);
+        long thisMediaLocation = offsetPosition + (ncaHeaderTableEntry.getMediaStartOffset() * 0x200);// TODO: NOTE already defined inside PFS0
         long hashTableLocation = thisMediaLocation + ncaFsHeader.getSuperBlockPFS0().getHashTableOffset();
         long pfs0Location = thisMediaLocation + ncaFsHeader.getSuperBlockPFS0().getPfs0offset();
 
@@ -112,13 +112,37 @@ public class NCAContent {
         // Get pfs0
         pfs0 = new PFS0Provider(file, pfs0Location);
     }
-    private void proceedPFS0Encrypted() throws Exception{
+    private void proceedPFS0Encrypted() throws Exception{/*
+        RandomAccessFile raf = new RandomAccessFile(file, "r");
+        long thisMediaLocation = offsetPosition + (ncaHeaderTableEntry.getMediaStartOffset() * 0x200);
+        long hashTableLocation = thisMediaLocation + ncaFsHeader.getSuperBlockPFS0().getHashTableOffset();
+        long pfs0Location = thisMediaLocation + ncaFsHeader.getSuperBlockPFS0().getPfs0offset();
+
+        raf.seek(hashTableLocation);
+
+        byte[] rawData;
+        long sha256recordsNumber = ncaFsHeader.getSuperBlockPFS0().getHashTableSize() / 0x20;
+        // Collect hashes
+        for (int i = 0; i < sha256recordsNumber; i++){
+            rawData = new byte[0x20];       // 32 bytes - size of SHA256 hash
+            if (raf.read(rawData) != -1)
+                Pfs0SHA256hashes.add(rawData);
+            else {
+                raf.close();
+                return;                      // TODO: fix
+            }
+        }
+        raf.close();
+        // Get pfs0
+        pfs0 = new PFS0Provider(file, pfs0Location);
+        /*/
         new CryptoSection03Pfs0(file,
                 offsetPosition,
                 decryptedKey,
                 ncaFsHeader,
                 ncaHeaderTableEntry.getMediaStartOffset(),
                 ncaHeaderTableEntry.getMediaEndOffset());
+         //*/
     }
 
     private void proceedRomFs() throws Exception{
@@ -170,20 +194,22 @@ public class NCAContent {
                 "SHA256 hash table size:    " + RainbowDump.formatDecHexString(ncaFsHeader.getSuperBlockPFS0().getHashTableSize()) + "\n" +
                 "SHA256 hash table offs:    " + RainbowDump.formatDecHexString(ncaFsHeader.getSuperBlockPFS0().getHashTableOffset()) + "\n" +
                 "PFS0 Offset:               " + RainbowDump.formatDecHexString(ncaFsHeader.getSuperBlockPFS0().getPfs0offset()) + "\n" +
-                "SHA256 records:            " + RainbowDump.formatDecHexString((ncaFsHeader.getSuperBlockPFS0().getHashTableSize() / 0x20)) + "\n" +
+                "SHA256 records:            " + RainbowDump.formatDecHexString(ncaFsHeader.getSuperBlockPFS0().getHashTableSize() / 0x20) + "\n" +
                 "KEY (decrypted):           " + Converter.byteArrToHexString(decryptedKey) + "\n" +
-                "CTR:                       " + Converter.byteArrToHexString(ncaFsHeader.getSectionCTR()) + "\n");
+                "CTR:                       " + Converter.byteArrToHexString(ncaFsHeader.getSectionCTR()) + "\n" +
+                "-----------------------------------------------------------\n");
             if (decryptedKey == null)
                 throw new Exception("CryptoSection03: unable to proceed. No decrypted key provided.");
 
             RandomAccessFile raf = new RandomAccessFile(file, "r");
-            long abosluteOffsetPosition = offsetPosition + (mediaStartBlocksOffset * 0x200);
+            long absoluteOffsetPosition = offsetPosition + (mediaStartBlocksOffset * 0x200);
-            raf.seek(abosluteOffsetPosition);
+            raf.seek(absoluteOffsetPosition);
 
-            AesCtrDecryptSimple decryptor = new AesCtrDecryptSimple(decryptedKey, ncaFsHeader.getSectionCTR(), mediaStartBlocksOffset * 0x200);
+            AesCtrDecryptSimple decryptor = new AesCtrDecryptSimple(decryptedKey, ncaFsHeader.getSectionCTR(),
+                    mediaStartBlocksOffset * 0x200);
 
             byte[] encryptedBlock;
-            byte[] dectyptedBlock;
+            byte[] decryptedBlock;
             long mediaBlocksSize = mediaEndBlocksOffset - mediaStartBlocksOffset;
             // Prepare thread to parse encrypted data
             PipedOutputStream streamOut = new PipedOutputStream();
@@ -206,11 +232,11 @@ public class NCAContent {
             for (int i = 0; i < mediaBlocksSize; i++){
                 encryptedBlock = new byte[0x200];
                 if (raf.read(encryptedBlock) != -1){
-                    //dectyptedBlock = aesCtr.decrypt(encryptedBlock);
+                    //decryptedBlock = aesCtr.decrypt(encryptedBlock);
-                    dectyptedBlock = decryptor.decryptNext(encryptedBlock);
+                    decryptedBlock = decryptor.decryptNext(encryptedBlock);
                     // Writing decrypted data to pipe
                     try {
-                        streamOut.write(dectyptedBlock);
+                        streamOut.write(decryptedBlock);
                     }
                     catch (IOException e){
                         break;

src/main/java/libKonogonka/Tools/NCA/NCAProvider.java

@@ -310,7 +310,6 @@ public class NCAProvider {
         }
         catch (EmptySectionException ignored){}
         catch (Exception e){
-            this.ncaContent3 = null;
             log.debug("Unable to get NCA Content "+number, e);
         }
     }

src/main/java/libKonogonka/Tools/PFS0/IPFS0Provider.java

@@ -28,4 +28,6 @@ public interface IPFS0Provider extends ISuperProvider {
     byte[] getPadding();
 
     PFS0subFile[] getPfs0subFiles();
+
+    void printDebug();
 }

src/main/java/libKonogonka/Tools/PFS0/PFS0EncryptedProvider.java

@@ -18,16 +18,24 @@
 */
 package libKonogonka.Tools.PFS0;
 
+import libKonogonka.Converter;
+import libKonogonka.RainbowDump;
+import libKonogonka.Tools.RomFs.Level6Header;
 import libKonogonka.ctraes.AesCtrDecryptSimple;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 import java.util.Arrays;
 
 import static libKonogonka.Converter.*;
 
 public class PFS0EncryptedProvider implements IPFS0Provider{
-    private long rawFileDataStart;      // Always -1 @ PFS0EncryptedProvider
+    private final static Logger log = LogManager.getLogger(PFS0EncryptedProvider.class);
+
+    //private long rawFileDataStart;      // Always -1 @ PFS0EncryptedProvider
 
     private final String magic;
     private final int filesCount;
@@ -56,14 +64,14 @@ public class PFS0EncryptedProvider implements IPFS0Provider{
                                  long mediaEndOffset
     ) throws Exception{
         // Populate 'meta' data that is needed for getProviderSubFilePipedInpStream()
-        this.offsetPositionInFile = offsetPositionInFile;
+        this.offsetPositionInFile = offsetPositionInFile + mediaStartOffset*0x200;
         this.file = fileWithEncPFS0;
         this.key = key;
         this.sectionCTR = sectionCTR;
         this.mediaStartOffset = mediaStartOffset;
         this.mediaEndOffset = mediaEndOffset;
         // pfs0offsetPosition is a position relative to Media block. Let's add pfs0 'header's' bytes count and get raw data start position in media block
-        rawFileDataStart = -1;                  // Set -1 for PFS0EncryptedProvider
+        //rawFileDataStart = -1;                  // Set -1 for PFS0EncryptedProvider
         // Detect raw data start position using next var
         rawBlockDataStart = pfs0offsetPosition;
 
@@ -161,7 +169,7 @@ public class PFS0EncryptedProvider implements IPFS0Provider{
     @Override
     public byte[] getPadding() { return padding; }
     @Override
-    public long getRawFileDataStart() { return rawFileDataStart; }
+    public long getRawFileDataStart() { return rawBlockDataStart; }
     @Override
     public PFS0subFile[] getPfs0subFiles() { return pfs0subFiles; }
     @Override
@@ -176,14 +184,21 @@ public class PFS0EncryptedProvider implements IPFS0Provider{
 
         PipedInputStream streamIn = new PipedInputStream(streamOut);
         workerThread = new Thread(() -> {
-            System.out.println("PFS0EncryptedProvider -> getPfs0subFilePipedInpStream(): Executing thread");
+            log.debug("PFS0EncryptedProvider -> getPfs0subFilePipedInpStream(): Executing thread:\nSub file: " +
+                    pfs0subFiles[subFileNumber].getName() +
+                    "\nFor block #                         "+((rawBlockDataStart + pfs0subFiles[subFileNumber].getOffset()) / 0x200) +
+                    "\nAnd initial skipped bytes are:      "+offsetPositionInFile +
+                    "\nWhere Raw Block Data Start:         "+rawBlockDataStart +
+                    "\nAnd sub file offset:                "+pfs0subFiles[subFileNumber].getOffset()+
+                    "\nSkip bytes                          "+((rawBlockDataStart + pfs0subFiles[subFileNumber].getOffset()) - ((rawBlockDataStart + pfs0subFiles[subFileNumber].getOffset()) / 0x200) * 0x200)+
+                    "\nKEY                                 "+Converter.byteArrToHexString(key)+
+                    "\nSection CTR                         "+Converter.byteArrToHexString(sectionCTR)+
+                    "\n______________________________________________________________");
             try {
-                BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
+                BufferedInputStream bis = new BufferedInputStream(Files.newInputStream(file.toPath()));
-                // Let's store what we're about to skip
-                long skipInitL = offsetPositionInFile + (mediaStartOffset * 0x200); // NOTE: NEVER cast to int.
                 // Check if skip was successful
-                if (bis.skip(skipInitL) != skipInitL) {
+                if (bis.skip(offsetPositionInFile) != offsetPositionInFile) {
-                    System.out.println("PFS0EncryptedProvider -> getPfs0subFilePipedInpStream(): Failed to skip range "+skipInitL);
+                    System.out.println("PFS0EncryptedProvider -> getPfs0subFilePipedInpStream(): Failed to skip range "+offsetPositionInFile);
                     return;
                 }
 
@@ -209,7 +224,7 @@ public class PFS0EncryptedProvider implements IPFS0Provider{
                 //----------------------------- Step 1: get starting bytes from the end of the junk block --------------------------------
 
                 // Since our data could be located in position with some offset from the decrypted block, let's skip bytes left. Considering the case when data is not aligned to block
-                skipBytes = (int) ( (rawBlockDataStart + pfs0subFiles[subFileNumber].getOffset()) - startBlock * 0x200); // <- How much bytes shall we skip to reach requested data start of sub-file
+                skipBytes = (int) ((rawBlockDataStart + pfs0subFiles[subFileNumber].getOffset()) - startBlock * 0x200); // <- How much bytes shall we skip to reach requested data start of sub-file
 
                 if (skipBytes > 0) {
                     encryptedBlock = new byte[0x200];
@@ -301,4 +316,28 @@ public class PFS0EncryptedProvider implements IPFS0Provider{
         }
         return null;
     }
+
+    public void printDebug(){
+        log.debug(".:: PFS0EncryptedProvider ::.\n" +
+                "File name:                " + file.getName() + "\n" +
+                "Raw block data start      " + RainbowDump.formatDecHexString(rawBlockDataStart) + "\n" +
+                "Magic                     " + magic + "\n" +
+                "Files count               " + RainbowDump.formatDecHexString(filesCount) + "\n" +
+                "String Table Size         " + RainbowDump.formatDecHexString(stringTableSize) + "\n" +
+                "Padding                   " + Converter.byteArrToHexString(padding) + "\n\n" +
+
+                "Offset position in file   " + RainbowDump.formatDecHexString(offsetPositionInFile) + "\n" +
+                "Media Start Offset        " + RainbowDump.formatDecHexString(mediaStartOffset) + "\n" +
+                "Media End Offset          " + RainbowDump.formatDecHexString(mediaEndOffset) + "\n"
+        );
+        for (PFS0subFile subFile : pfs0subFiles){
+            log.debug(
+                "\nName:                     " + subFile.getName() + "\n" +
+                "Offset                    " + RainbowDump.formatDecHexString(subFile.getOffset()) + "\n" +
+                "Size                      " + RainbowDump.formatDecHexString(subFile.getSize()) + "\n" +
+                "Zeroes                    " + Converter.byteArrToHexString(subFile.getZeroes()) + "\n" +
+                "----------------------------------------------------------------"
+            );
+        }
+    }
 }

src/main/java/libKonogonka/Tools/PFS0/PFS0Provider.java

@@ -18,52 +18,99 @@
 */
 package libKonogonka.Tools.PFS0;
 
+import libKonogonka.Converter;
+import libKonogonka.RainbowDump;
+import libKonogonka.ctraes.AesCtrBufferedInputStream;
+import libKonogonka.ctraes.AesCtrDecryptSimple;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
 import java.io.*;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 import java.util.Arrays;
 
 import static libKonogonka.Converter.*;
 
 public class PFS0Provider implements IPFS0Provider{
-    private final long rawFileDataStart;          // Where data starts, excluding header, string table etc.
+    private final static Logger log = LogManager.getLogger(PFS0Provider.class);
 
-    private final String magic;
+    private long rawFileDataStartOffset;
-    private final int filesCount;
+
-    private final int stringTableSize;
+    private String magic;
-    private final byte[] padding;
+    private int filesCount;
-    private final PFS0subFile[] pfs0subFiles;
+    private int stringTableSize;
+    private byte[] padding;
+    private PFS0subFile[] pfs0subFiles;
 
     private final File file;
+    private final long offsetPosition;          // Where data starts, excluding header, string table etc.
+    private long mediaStartOffset;
+    private long mediaEndOffset;
+    private AesCtrDecryptSimple decryptor;
+
+    private final boolean encrypted;
+
+    public PFS0Provider(File fileWithPfs0,
+                        long offsetPosition,
+                        long mediaStartOffset,
+                        long mediaEndOffset,
+                        AesCtrDecryptSimple decryptor) throws Exception{
+        this.file = fileWithPfs0;
+        this.offsetPosition = offsetPosition + mediaStartOffset*0x200;
+        this.encrypted = true;
+
+        this.mediaStartOffset = mediaStartOffset;
+        this.mediaEndOffset = mediaEndOffset;
+        this.decryptor = decryptor;
+        proceedPfs0();
+    }
 
     public PFS0Provider(File fileWithPfs0) throws Exception{ this(fileWithPfs0, 0); }
 
-    public PFS0Provider(File fileWithPfs0, long pfs0offsetPosition) throws Exception{
+    public PFS0Provider(File fileWithPfs0, long offsetPosition) throws Exception{
-        file = fileWithPfs0;
+        this.file = fileWithPfs0;
-        RandomAccessFile raf = new RandomAccessFile(fileWithPfs0, "r");         // TODO: replace to bufferedInputStream
+        this.offsetPosition = offsetPosition;
+        this.encrypted = false;
+        //bufferedInputStream = new BufferedInputStream(Files.newInputStream(fileWithPfs0.toPath()));
+        proceedPfs0();
+    }
+    private void proceedPfs0() throws Exception{
+        BufferedInputStream bufferedInputStream;
+
+        if (encrypted) {
+            bufferedInputStream = new AesCtrBufferedInputStream(decryptor,
+                    offsetPosition,
+                    mediaStartOffset,
+                    mediaEndOffset,
+                    Files.newInputStream(file.toPath()));
+        }
+        else{
+            bufferedInputStream = new BufferedInputStream(Files.newInputStream(file.toPath()));
+        }
+
+        if (offsetPosition != bufferedInputStream.skip(offsetPosition))
+            throw new Exception("PFS0Provider: Unable to skip initial offset: "+offsetPosition);
 
-        raf.seek(pfs0offsetPosition);
         byte[] fileStartingBytes = new byte[0x10];
         // Read PFS0Provider, files count, header, padding (4 zero bytes)
-        if (raf.read(fileStartingBytes) != 0x10){
+        if (bufferedInputStream.read(fileStartingBytes) != 0x10){
-            raf.close();
             throw new Exception("PFS0Provider: Unable to read starting bytes");
         }
+        rawFileDataStartOffset += 0x10;
         // Check PFS0Provider
         magic = new String(fileStartingBytes, 0x0, 0x4, StandardCharsets.US_ASCII);
         if (! magic.equals("PFS0")){
-            raf.close();
             throw new Exception("PFS0Provider: Bad magic");
         }
         // Get files count
         filesCount = getLEint(fileStartingBytes, 0x4);
         if (filesCount <= 0 ) {
-            raf.close();
             throw new Exception("PFS0Provider: Files count is too small");
         }
         // Get string table
         stringTableSize = getLEint(fileStartingBytes, 0x8);
         if (stringTableSize <= 0 ){
-            raf.close();
             throw new Exception("PFS0Provider: String table is too small");
         }
         padding = Arrays.copyOfRange(fileStartingBytes, 0xc, 0x10);
@@ -77,21 +124,22 @@ public class PFS0Provider implements IPFS0Provider{
 
         byte[] fileEntryTable = new byte[0x18];
         for (int i=0; i<filesCount; i++){
-            if (raf.read(fileEntryTable) != 0x18)
+            if (bufferedInputStream.read(fileEntryTable) != 0x18)
                 throw new Exception("PFS0Provider: String table is too small");
             offsetsSubFiles[i] = getLElong(fileEntryTable, 0);
             sizesSubFiles[i] = getLElong(fileEntryTable, 0x8);
             strTableOffsets[i] = getLEint(fileEntryTable, 0x10);
             zeroBytes[i] = Arrays.copyOfRange(fileEntryTable, 0x14, 0x18);
+            rawFileDataStartOffset += 0x18;
         }
         //**********************************************************************************************************
         // In here pointer in front of String table
         String[] subFileNames = new String[filesCount];
         byte[] stringTbl = new byte[stringTableSize];
-        if (raf.read(stringTbl) != stringTableSize){
+        if (bufferedInputStream.read(stringTbl) != stringTableSize){
             throw new Exception("Read PFS0Provider String table failure. Can't read requested string table size ("+stringTableSize+")");
         }
-
+        rawFileDataStartOffset += stringTableSize;
         for (int i=0; i < filesCount; i++){
             int j = 0;
             while (stringTbl[strTableOffsets[i]+j] != (byte)0x00)
@@ -106,12 +154,11 @@ public class PFS0Provider implements IPFS0Provider{
                     zeroBytes[i]
             );
         }
-        rawFileDataStart = raf.getFilePointer();
+        bufferedInputStream.close();
-        raf.close();
     }
 
     @Override
-    public boolean isEncrypted() { return false; }
+    public boolean isEncrypted() { return encrypted; }
     @Override
     public String getMagic() { return magic; }
     @Override
@@ -121,7 +168,7 @@ public class PFS0Provider implements IPFS0Provider{
     @Override
     public byte[] getPadding() { return padding; }
     @Override
-    public long getRawFileDataStart() { return rawFileDataStart; }
+    public long getRawFileDataStart() { return rawFileDataStartOffset; }
     @Override
     public PFS0subFile[] getPfs0subFiles() { return pfs0subFiles; }
     @Override
@@ -139,7 +186,7 @@ public class PFS0Provider implements IPFS0Provider{
         workerThread = new Thread(() -> {
             System.out.println("PFS0Provider -> getPfs0subFilePipedInpStream(): Executing thread");
             try {
-                long subFileRealPosition = rawFileDataStart + pfs0subFiles[subFileNumber].getOffset();
+                long subFileRealPosition = rawFileDataStartOffset + pfs0subFiles[subFileNumber].getOffset();
                 BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
                 if (bis.skip(subFileRealPosition) != subFileRealPosition) {
                     System.out.println("PFS0Provider -> getPfs0subFilePipedInpStream(): Unable to skip requested offset");
@@ -186,4 +233,24 @@ public class PFS0Provider implements IPFS0Provider{
         }
         return null;
     }
+
+    public void printDebug(){
+        log.debug(".:: PFS0Provider ::.\n" +
+                "File name:                " + file.getName() + "\n\n" +
+                "Raw file data start:      " + RainbowDump.formatDecHexString(rawFileDataStartOffset) + "\n" +
+                "Magic                     " + magic + "\n" +
+                "Files count               " + RainbowDump.formatDecHexString(filesCount) + "\n" +
+                "String Table Size         " + RainbowDump.formatDecHexString(stringTableSize) + "\n" +
+                "Padding                   " + Converter.byteArrToHexString(padding) + "\n"
+        );
+        for (PFS0subFile subFile : pfs0subFiles){
+            log.debug(
+                    "\nName:                     " + subFile.getName() + "\n" +
+                    "Offset                    " + RainbowDump.formatDecHexString(subFile.getOffset()) + "\n" +
+                    "Size                      " + RainbowDump.formatDecHexString(subFile.getSize()) + "\n" +
+                    "Zeroes                    " + Converter.byteArrToHexString(subFile.getZeroes()) + "\n" +
+                    "----------------------------------------------------------------"
+            );
+        }
+    }
 }

src/main/java/libKonogonka/Tools/PFS0/PFS0subFile.java

@@ -19,10 +19,10 @@
 package libKonogonka.Tools.PFS0;
 
 public class PFS0subFile {
-    private String name;
+    private final String name;
-    private long offset;     // REAL in file (including offset in NCA/NSP file)
+    private final long offset;     // REAL in file (including offset in NCA/NSP file)
-    private long size;
+    private final long size;
-    private byte[] zeroes;
+    private final byte[] zeroes;
 
     public PFS0subFile(String name, long offset, long size, byte[] zeroesInTable){
         this.name = name;

src/main/java/libKonogonka/Tools/RomFs/FileSystemEntry.java

@@ -41,8 +41,8 @@ public class FileSystemEntry {
     private static byte[] dirsMetadataTable;
     private static byte[] filesMetadataTable;
 
-    private long fileOffset;
+    private long offset;
-    private long fileSize;
+    private long size;
 
     public FileSystemEntry(byte[] dirsMetadataTable, byte[] filesMetadataTable) throws Exception{
         FileSystemEntry.dirsMetadataTable = dirsMetadataTable;
@@ -62,7 +62,7 @@ public class FileSystemEntry {
             content.add(getDirectory(rootDirectoryMetaData.firstSubdirectoryOffset));
         if (rootDirectoryMetaData.firstFileOffset != -1)
             content.add(getFile(this, rootDirectoryMetaData.firstFileOffset));
-        content.sort(Comparator.comparingLong(FileSystemEntry::getFileOffset));
+        content.sort(Comparator.comparingLong(FileSystemEntry::getOffset));
     }
 
     private FileSystemEntry(){
@@ -85,7 +85,7 @@ public class FileSystemEntry {
         if (directoryMetaData.firstFileOffset != -1)
             fileSystemEntry.content.add(getFile(fileSystemEntry, directoryMetaData.firstFileOffset));
 
-        fileSystemEntry.content.sort(Comparator.comparingLong(FileSystemEntry::getFileOffset));
+        fileSystemEntry.content.sort(Comparator.comparingLong(FileSystemEntry::getOffset));
 
         return fileSystemEntry;
     }
@@ -96,8 +96,8 @@ public class FileSystemEntry {
 
         FileMetaData fileMetaData = new FileMetaData(childFileMetaPosition);
         fileSystemEntry.name = fileMetaData.fileName;
-        fileSystemEntry.fileOffset = fileMetaData.fileDataRealOffset;
+        fileSystemEntry.offset = fileMetaData.fileDataRealOffset;
-        fileSystemEntry.fileSize = fileMetaData.fileDataRealLength;
+        fileSystemEntry.size = fileMetaData.fileDataRealLength;
         if (fileMetaData.nextSiblingFileOffset != -1)
             directoryContainer.content.add(getFile(directoryContainer, fileMetaData.nextSiblingFileOffset) );
 
@@ -106,8 +106,8 @@ public class FileSystemEntry {
 
     public boolean isDirectory() { return directoryFlag; }
     public boolean isFile() { return ! directoryFlag; }
-    public long getFileOffset() { return fileOffset; }
+    public long getOffset() { return offset; }
-    public long getFileSize() { return fileSize; }
+    public long getSize() { return size; }
     public List<FileSystemEntry> getContent() { return content; }
     public String getName(){ return name; }
 
@@ -135,7 +135,7 @@ public class FileSystemEntry {
             firstFileOffset = Converter.getLEint(dirsMetadataTable, i);
             i += 4;
             nextHashTableBucketDirectoryOffset = Converter.getLEint(dirsMetadataTable, i);
-            //*
+            /*
             if (nextHashTableBucketDirectoryOffset < 0) {
                 System.out.println("nextHashTableBucketDirectoryOffset: "+ nextHashTableBucketDirectoryOffset);
             }
@@ -183,7 +183,7 @@ public class FileSystemEntry {
             fileDataRealLength = Converter.getLElong(filesMetadataTable, i);
             i += 8;
             nextHashTableBucketFileOffset = Converter.getLEint(filesMetadataTable, i);
-            //*
+            /*
             if (nextHashTableBucketFileOffset < 0) {
                 System.out.println("nextHashTableBucketFileOffset: "+ nextHashTableBucketFileOffset);
             }

src/main/java/libKonogonka/Tools/RomFs/RomFsDecryptedProvider.java

@@ -58,8 +58,8 @@ public class RomFsDecryptedProvider implements IRomFsProvider{
 
         PipedOutputStream streamOut = new PipedOutputStream();
         PipedInputStream streamIn = new PipedInputStream(streamOut);
-        long internalFileRealPosition = level6Offset + level6Header.getFileDataOffset() + entry.getFileOffset();
+        long internalFileRealPosition = level6Offset + level6Header.getFileDataOffset() + entry.getOffset();
-        long internalFileSize = entry.getFileSize();
+        long internalFileSize = entry.getSize();
 
         Thread contentRetrievingThread = new Thread(
                 new RomFsDecryptedContentRetrieve(file, streamOut, internalFileRealPosition, internalFileSize));

src/main/java/libKonogonka/Tools/RomFs/RomFsEncryptedContentRetrieve.java

@@ -47,6 +47,7 @@ public class RomFsEncryptedContentRetrieve implements Runnable{
                                   long level6Offset,
                                   long headersFileDataOffset
                                   ){
+        log.fatal("Current implementation works incorrectly");
         this.parentFile = parentFile;
         this.absoluteOffsetPosition = absoluteOffsetPosition;
         this.streamOut = streamOut;

src/main/java/libKonogonka/Tools/RomFs/RomFsEncryptedProvider.java

@@ -75,7 +75,6 @@ public class RomFsEncryptedProvider implements IRomFsProvider{
         this.level6Offset = level6Offset;
         this.level6Header = construct.getHeader();
         this.rootEntry = construct.getRootEntry();
-
         this.absoluteOffsetPosition = romFsOffsetPosition + (mediaStartOffset * 0x200);
 
         this.directoryMetadataTable = construct.getDirectoryMetadataTable();
@@ -99,8 +98,8 @@ public class RomFsEncryptedProvider implements IRomFsProvider{
 
         PipedOutputStream streamOut = new PipedOutputStream();
         PipedInputStream streamIn = new PipedInputStream(streamOut);
-        long internalFileOffset = entry.getFileOffset();
+        long internalFileOffset = entry.getOffset();
-        long internalFileSize = entry.getFileSize();
+        long internalFileSize = entry.getSize();
 
         Thread contentRetrievingThread = new Thread(new RomFsEncryptedContentRetrieve(
                 file,

src/main/java/libKonogonka/Tools/RomFs/view/FileSystemTreeViewMaker.java

@@ -52,7 +52,7 @@ public class FileSystemTreeViewMaker {
 
         tree.append("|-");
         tree.append(entry.getName());
-        tree.append(String.format("%"+(spacerForSizes-entry.getName().length()-i)+"s0x%-10x 0x%-10x", "", entry.getFileOffset(), entry.getFileSize()));
+        tree.append(String.format("%"+(spacerForSizes-entry.getName().length()-i)+"s0x%-10x 0x%-10x", "", entry.getOffset(), entry.getSize()));
         tree.append("\n");
     }
 

src/main/java/libKonogonka/ctraes/AesCtrBufferedInputStream.java

@@ -59,7 +59,6 @@ public class AesCtrBufferedInputStream extends BufferedInputStream {
                 log.trace("1.2. Pointer Inside + End Position Inside (Decrypted) Encrypted Section ("+pseudoPos+"-"+(pseudoPos+b.length)+")");
                 System.arraycopy(decryptedBytes, pointerInsideDecryptedSection, b, 0, bytesToRead);
 
-                log.error("!Pointer Inside Decrypted Section "+pointerInsideDecryptedSection+" "+(pointerInsideDecryptedSection+bytesToRead));
                 pseudoPos += bytesToRead;
                 pointerInsideDecryptedSection += bytesToRead;
                 return b.length;
@@ -84,12 +83,12 @@ public class AesCtrBufferedInputStream extends BufferedInputStream {
                 return b.length;
             }
             log.trace("1. Pointer Inside + End Position Outside Encrypted Section ("+pseudoPos+"-"+(pseudoPos+b.length)+")");
-            int middleBlocksCount = (int) ((mediaOffsetPositionEnd - pseudoPos) / 0x200);
+            int middleBlocksCount = (int) ((mediaOffsetPositionEnd - (pseudoPos+bytesFromFirstBlock)) / 0x200);
-            int bytesFromEnd = b.length - bytesFromFirstBlock - middleBlocksCount * 0x200;
+            int bytesFromEnd = bytesToRead - bytesFromFirstBlock - middleBlocksCount * 0x200;
             //1
             System.arraycopy(decryptedBytes, pointerInsideDecryptedSection, b, 0, bytesFromFirstBlock);
             //2
-            //System.out.println("\n"+bytesFromFirstBlock+"\n"+ middleBlocksCount+" - "+(middleBlocksCount*0x200)+"\n"+ bytesFromEnd+"\n");
+            System.out.println("\n"+bytesFromFirstBlock+"\n"+ middleBlocksCount+" = "+(middleBlocksCount*0x200)+" bytes\n"+ bytesFromEnd+"\n");
             for (int i = 0; i < middleBlocksCount; i++) {
                 fillDecryptedCache();
                 System.arraycopy(decryptedBytes, 0, b, bytesFromFirstBlock+i*0x200, 0x200);
@@ -102,7 +101,7 @@ public class AesCtrBufferedInputStream extends BufferedInputStream {
         }  
         if (isEndPositionInsideEncryptedSection(bytesToRead)) {
             log.trace("2. End Position Inside Encrypted Section ("+pseudoPos+"-"+(pseudoPos+b.length)+")");
-            int bytesTillEncrypted = (int) (mediaOffsetPositionStart - pos);
+            int bytesTillEncrypted = (int) (mediaOffsetPositionStart - pseudoPos);
             int fullEncryptedBlocks = (bytesToRead - bytesTillEncrypted) / 0x200;
             int incompleteEncryptedBytes = (bytesToRead - bytesTillEncrypted) % 0x200;
             System.arraycopy(readChunk(bytesTillEncrypted), 0, b, 0, bytesTillEncrypted);
@@ -150,10 +149,10 @@ public class AesCtrBufferedInputStream extends BufferedInputStream {
     }
 
     private boolean isPointerInsideEncryptedSection(){
-        return (pseudoPos >= mediaOffsetPositionStart) && (pseudoPos < mediaOffsetPositionEnd);
+        return (pseudoPos-pointerInsideDecryptedSection >= mediaOffsetPositionStart) && (pseudoPos-pointerInsideDecryptedSection < mediaOffsetPositionEnd);
     }
     private boolean isEndPositionInsideEncryptedSection(long requestedBytesCount){
-        return ((pseudoPos + requestedBytesCount) >= mediaOffsetPositionStart) && ((pseudoPos + requestedBytesCount) < mediaOffsetPositionEnd);
+        return ((pseudoPos-pointerInsideDecryptedSection + requestedBytesCount) >= mediaOffsetPositionStart) && ((pseudoPos-pointerInsideDecryptedSection + requestedBytesCount) < mediaOffsetPositionEnd);
     }
 
     @Override
@@ -199,7 +198,7 @@ public class AesCtrBufferedInputStream extends BufferedInputStream {
         if (isEndPositionInsideEncryptedSection(n)) {  //pointer will be inside Encrypted Section, but now outside
             log.trace("5. End Position Inside Encrypted Section ("+pseudoPos+"-"+(pseudoPos+n)+")");
             //skip to start if the block we need
-            long bytesToSkipTillEncryptedBlock = mediaOffsetPositionStart - pseudoPos; //TODO:FIX
+            long bytesToSkipTillEncryptedBlock = mediaOffsetPositionStart - pseudoPos;
             long blocksToSkipCountingFromStart = (n - bytesToSkipTillEncryptedBlock) / 0x200;        // always positive
             long bytesToSkipTillRequiredBlock = bytesToSkipTillEncryptedBlock + blocksToSkipCountingFromStart * 0x200;
             long leftovers = n - bytesToSkipTillRequiredBlock;           // most likely will be 0;
@@ -210,10 +209,12 @@ public class AesCtrBufferedInputStream extends BufferedInputStream {
                         bytesToSkipTillEncryptedBlock +
                         ".\nActually skipped: " + skipped +
                         ".\nLeftovers inside encrypted section: " + leftovers);
+            log.trace("\tBlocks skipped "+blocksToSkipCountingFromStart);
             resetAndSkip(blocksToSkipCountingFromStart);
             fillDecryptedCache();
             pseudoPos += n;
             pointerInsideDecryptedSection = (int) leftovers;
+            log.debug("    "+pseudoPos+" "+pointerInsideDecryptedSection);
             return n;
         }
         log.trace("6. Not encrypted ("+pseudoPos+"-"+(pseudoPos+n)+")");

src/test/java/libKonogonka/RomFsDecrypted/KeyChainHolderTest.java

@@ -19,7 +19,6 @@
 package libKonogonka.RomFsDecrypted;
 
 import libKonogonka.KeyChainHolder;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
@@ -32,7 +31,7 @@ public class KeyChainHolderTest {
     private static final String xci_header_keyFileLocation = "./FilesForTests/xci_header_key.txt";
     private KeyChainHolder keyChainHolder;
 
-    @Disabled
+    //@Disabled
     @DisplayName("Key Chain Holder Test")
     @Test
     void keysChain() throws Exception{