serverData.capabilities = 0; // No extended security
        serverData.encryptionKeyLength = 8;
        response.flags2 = ServerMessageBlock.FLAGS2_UNICODE;
        byte[] domainNameBytes = "DOMAIN_U".getBytes("UTF-16LE");
        response.byteCount = 8 + domainNameBytes.length + 2; // key + domain + null terminator

        // Prepare byte array
        byte[] encryptionKey = "12345678".getBytes();