*
     * @param sessionId the session ID
     * @return the new key version number
     * @throws GeneralSecurityException if rotation fails
     */
    public int rotateSessionKey(String sessionId) throws GeneralSecurityException {
        checkNotClosed();

        if (!sessionKeys.containsKey(sessionId)) {
            throw new IllegalArgumentException("Session key not found: " + sessionId);
        }

    }

    /**
     * {@inheritDoc}
     *
     * @throws SMBProtocolDecodingException if there is an error decoding the response
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#haveResponse(byte[], int, int)
     */
    @Override
    protected void haveResponse(final byte[] buffer, final int start, final int len) throws SMBProtocolDecodingException {
        if (isRetainPayload()) {

    @Override
    public void setUp() throws Exception {
        super.setUp();
        curtainBeforeHook = new FessCurtainBeforeHook();
        // Store original timezone settings
        originalTimeZone = TimeZone.getDefault();
        originalProvider = getDBFluteSystemTimeZoneProvider();
    }

    @Override
    public void tearDown() throws Exception {
        // Restore original timezone settings

     * @param offset offset into the token array
     * @param len length of token data
     * @return the output token bytes
     * @throws SmbException if an error occurs during context initialization
     */
    public byte[] initSecContext(byte[] token, final int offset, final int len) throws SmbException {
        switch (state) {
        case 1:

        try {
            zis.reset();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Closes the {@link ZipInputStream}.
     * <p>
     * If {@link ZipInputStream#closeEntry()} throws an exception, an error message is logged.
     * The exception is not rethrown.
     * </p>
     *
     * @param zis

public class ThumbnailGeneratorTest extends UnitFessTestCase {

    private ThumbnailGenerator thumbnailGenerator;
    private File tempOutputFile;
    private Path tempDir;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        tempDir = Files.createTempDirectory("thumbnail-test");
        tempOutputFile = Files.createTempFile(tempDir, "thumbnail", ".png").toFile();

        }
    }

    @Test
    void testReadDataWireFormatWithEmptyData() throws SMBProtocolDecodingException {
        byte[] buffer = new byte[100];
        int result = response.readDataWireFormat(buffer, 0, 0);
        assertEquals(0, result);
    }

    @Test
    void testReadDataWireFormatAtBufferBoundary() throws SMBProtocolDecodingException {
        // Test with data exactly matching output buffer size

     * Returns the signing key for SMB signing.
     *
     * @param challenge the server challenge bytes
     * @return the signing key
     * @throws SmbException if an error occurs generating the signing key
     */
    public byte[] getSigningKey(final byte[] challenge) throws SmbException {
        switch (LM_COMPATIBILITY) {
        case 0:
        case 1:
        case 2:
            final byte[] signingKey = new byte[40];

   * this method is guaranteed to be called once the computation is complete.
   *
   * <p>Exceptions thrown by a listener will be propagated up to the executor. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException} or an exception
   * thrown by {@linkplain MoreExecutors#directExecutor direct execution}) will be caught and
   * logged.
   *

     * @param bufferIndex the starting offset in the buffer
     * @param len the length of data to decode
     * @throws IOException if an I/O error occurs during decoding
     */
    public SecurityDescriptor(final byte[] buffer, final int bufferIndex, final int len) throws IOException {
        this.decode(buffer, bufferIndex, len);
    }

    /**
     * Gets the type flags of this security descriptor.
     *