when(mockLock.encode(any(byte[].class), anyInt())).thenReturn(24);

            Smb2LockRequest req = new Smb2LockRequest(mockConfig, testFileId, locks);
            byte[] buffer = new byte[256];

            int bytesWritten = req.writeBytesWireFormat(buffer, 0);

            // Verify structure
            assertEquals(48, SMBUtil.readInt2(buffer, 0)); // Structure size

        // Support both AES-128 and AES-256 for CCM cipher
        int keyLength = getKeyLength();
        final AEADBlockCipher cipher;

        if (keyLength == 16) {
            // AES-128 CCM
            cipher = new CCMBlockCipher(new AESEngine());
        } else if (keyLength == 32) {
            // AES-256 CCM - Bouncy Castle supports AES-256 with same AESEngine

        @Test
        @DisplayName("Should handle empty data in wire format")
        void testWriteBytesWireFormatEmptyData() {
            request.setData(new byte[0], 0, 0);

            byte[] buffer = new byte[256];
            int bytesWritten = request.writeBytesWireFormat(buffer, 0);

            assertEquals(48, bytesWritten); // Only header, no data
            assertEquals(49, SMBUtil.readInt2(buffer, 0)); // Structure size

    }

    @Test
    @DisplayName("writeBytesWireFormat should write correct structure")
    void testWriteBytesWireFormat() {
        byte[] buffer = new byte[256];
        int offset = 64; // Start at offset to test proper indexing

        int written = request.writeBytesWireFormat(buffer, offset);

        // Verify bytes written
        assertEquals(24, written);

    public static final int CIPHER_AES128_CCM = 0x1;

    /**
     * AES 128 GCM
     */
    public static final int CIPHER_AES128_GCM = 0x2;

    /**
     * AES 256 CCM
     */
    public static final int CIPHER_AES256_CCM = 0x3;

    /**
     * AES 256 GCM
     */
    public static final int CIPHER_AES256_GCM = 0x4;

    private int[] ciphers;

    /**
     * Constructs an encryption negotiate context.
     *

                        while (buffer[bufferIndex + len] != (byte) 0x00 || buffer[bufferIndex + len + 1] != (byte) 0x00) {
                            len += 2;
                            if (len > 256) {
                                throw new RuntimeException("zero termination not found");
                            }
                        }

    void testDecodeMoreProcessingParsesBlobAndFlags() throws Exception {
        Smb2SessionSetupResponse resp = newResponse();

        byte[] buf = new byte[256];
        int headerStart = 0;
        long expectedSessionId = 0x1122334455667788L;
        buildHeader(buf, headerStart, NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED, 0x0001, expectedSessionId);

  verbose " - Running Downloader.java ..."
  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
fi

# If specified, validate the SHA-256 sum of the Maven distribution zip file
if [ -n "${distributionSha256Sum-}" ]; then
  distributionSha256Result=false
  if [ "$MVN_CMD" = mvnd.sh ]; then
    echo "Checksum validation is not supported for maven-mvnd." >&2

        String newFilename = "newfile.txt";

        trans2FindNext2.reset(newResumeKey, newFilename);

        // Verify by writing parameters and checking the buffer
        byte[] buffer = new byte[256];
        int written = trans2FindNext2.writeParametersWireFormat(buffer, 0);

        // Check resume key at offset 6 (after sid and maxItems and informationLevel)
        int actualResumeKey = SMBUtil.readInt4(buffer, 6);

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        byte[] setupBuffer = new byte[256];
        byte[] paramBuffer = new byte[256];
        byte[] dataBuffer = new byte[256];

        int setupWritten = trans2SetFileInfo.writeSetupWireFormat(setupBuffer, 0);
        int paramWritten = trans2SetFileInfo.writeParametersWireFormat(paramBuffer, 0);