+ ",maxMpxCount=" + server.maxMpxCount + ",maxNumberVcs=" + server.maxNumberVcs + ",maxBufferSize=" + server.maxBufferSize
                + ",maxRawSize=" + server.maxRawSize + ",sessionKey=0x" + Hexdump.toHexString(server.sessionKey, 8) + ",capabilities=0x"
                + Hexdump.toHexString(server.capabilities, 8) + ",serverTime=" + new Date(server.serverTime) + ",serverTimeZone="

                    }
                }

                // Clear sensitive data
                if (this.sessionKey != null) {
                    java.util.Arrays.fill(this.sessionKey, (byte) 0);
                    this.sessionKey = null;
                }

                if (this.preauthIntegrityHash != null) {

     */
    public byte[] getEncryptedSessionKey() {
        return this.sessionKey;
    }

    /**
     * Sets the session key.
     *
     * @param sessionKey
     *            The session key.
     */
    public void setEncryptedSessionKey(final byte[] sessionKey) {
        this.sessionKey = sessionKey;
    }

    /**

        }

        @Test
        @DisplayName("createEncryptionContext selects AES-CCM for SMB 3.0 and AES-GCM for SMB 3.1.1")
        void createEncryptionContext_happyDialects() throws Exception {
            byte[] sessionKey = new byte[16];
            byte[] preauth = new byte[16];

            // SMB 3.0 -> AES-128-CCM
            setField(transport, "smb2", true);

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        try {
            // Combine session key with channel-specific data
            byte[] sessionKey = getSessionKey();
            if (sessionKey != null) {
                baos.write(sessionKey);
            }
            baos.write(channel.getLocalInterface().getAddress().getAddress());
            baos.write(channel.getRemoteInterface().getAddress().getAddress());

        // maxRawSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x10;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // sessionKey
        buffer[bufferIndex++] = 1;
        buffer[bufferIndex++] = 2;
        buffer[bufferIndex++] = 3;
        buffer[bufferIndex++] = 4;
        // capabilities
        buffer[bufferIndex++] = (byte) 0x80;

        byte[] sessionKey = new byte[16];
        byte[] preauthHash = new byte[64];
        new SecureRandom().nextBytes(sessionKey);
        new SecureRandom().nextBytes(preauthHash);

        // Derive initial keys
        int dialectInt = DialectVersion.SMB311.getDialect();
        byte[] encKey = Smb3KeyDerivation.deriveEncryptionKey(dialectInt, sessionKey, preauthHash);

        serverData.encryptedPasswords = true;
        serverData.encryptionKey = new byte[8];

        // Configure mock transport
        mockTransport.server = serverData;
        mockTransport.sessionKey = 0x12345678;
        mockTransport.capabilities = SmbConstants.CAP_UNICODE | SmbConstants.CAP_NT_SMBS;
        mockTransport.snd_buf_size = 16644;
        mockTransport.maxMpxCount = 50;

        // Configure mock session

        byte[] buf = new byte[256];
        int len = invokeProtectedInt(obj, "writeParameterWordsWireFormat", buf, 0);

        // Expected size: 2 (sendBuffer) + 2 (mpxCount) + 2 (vcNumber) + 4 (sessionKey) + 2 (blob length) + 4 (reserved) + 4 (capabilities)
        int expected = 2 + 2 + 2 + 4 + 2 + 4 + 4;
        assertEquals(expected, len);

        int off = 0;
        assertEquals(65535, SMBUtil.readInt2(buf, off));

        @DisplayName("Should return session key successfully")
        void testGetSessionKey() throws Exception {
            DcerpcPipeHandle handle = createMockedDcerpcPipeHandle();
            byte[] expectedKey = "sessionKey".getBytes();
            when(mockSmbPipeHandleInternal.getSessionKey()).thenReturn(expectedKey);
            assertArrayEquals(expectedKey, handle.getSessionKey());
        }

        @Test