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Fixed block_size and condition in wud decrypted reading.

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This commit is contained in:
Maschell 2018-12-06 15:49:46 +01:00
parent bb1c6b30d4
commit bfbbafc269
1 changed files with 7 additions and 7 deletions
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14
src/de/mas/wiiu/jnus/implementations/wud/reader/WUDDiscReader.java
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@ -94,7 +94,7 @@ public abstract class WUDDiscReader {
* @throws IOException
*/
public byte[] readDecryptedChunk(long readOffset, byte[] key, byte[] IV) throws IOException {
int chunkSize = 0x8000;
int chunkSize = 0x10000;
byte[] encryptedChunk = readEncryptedToByteArray(readOffset, 0, chunkSize);
byte[] decryptedChunk = new byte[chunkSize];
@ -120,18 +120,18 @@ public abstract class WUDDiscReader {
long readOffset;
int blockSize = 0x8000;
final int BLOCK_SIZE = 0x10000;
long totalread = 0;
do {
long blockNumber = (usedFileOffset / blockSize);
long blockOffset = (usedFileOffset % blockSize);
long blockNumber = (usedFileOffset / BLOCK_SIZE);
long blockOffset = (usedFileOffset % BLOCK_SIZE);
readOffset = clusterOffset + (blockNumber * blockSize);
readOffset = clusterOffset + (blockNumber * BLOCK_SIZE);
// (long)WiiUDisc.WIIU_DECRYPTED_AREA_OFFSET + volumeOffset + clusterOffset + (blockStructure.getBlockNumber() * 0x8000);
buffer = readDecryptedChunk(readOffset, key, usedIV);
maxCopySize = 0x8000 - blockOffset;
maxCopySize = BLOCK_SIZE - blockOffset;
copySize = (usedSize > maxCopySize) ? maxCopySize : usedSize;
outputStream.write(Arrays.copyOfRange(buffer, (int) blockOffset, (int) copySize));
@ -140,7 +140,7 @@ public abstract class WUDDiscReader {
// update counters
usedSize -= copySize;
usedFileOffset += copySize;
} while (totalread < usedSize);
} while (totalread < size);
outputStream.close();
}