Mitigating Cyber Attacks in LoRaWAN via Lightweight Secure Key Management Scheme

Owing to the geographically scattered end devices ( EDs ) in long-range wide area networks (LoRaWAN), that combat challenging cyber threats and attacks are of critical significance. In this perspective, LoRa Alliance® is continuously evolving security LoRaWAN recently introduced a new version i.e., 1.1x featured with improvement. However, wireless nature implementation still leaves it vulnerable breaches compromise its integrity. Several problems have been pinpointed newer such as one issue key distribution 1.1 keys often pre-installed on at time manufacturing. It can introduce risks if not adequately protected or compromised before they deployed. other words, may be updated regularly, which also risks. Thus, need handled securely maintain network over-the-air firmware updates feature could challenges for distribution. This paper presents generation (KGD) mechanism exchanges root between xmlns:xlink="http://www.w3.org/1999/xlink">ED application server xmlns:xlink="http://www.w3.org/1999/xlink">AS ). The KGD protocol provides authentication by integrating Advanced Encryption Standard (AES-128) addition secure hash function known xmlns:xlink="http://www.w3.org/1999/xlink">Argon2 . proposed utilizes Elliptic-Curve Diffie-Hellman (ECDH) exchange method makes resilient threats. ECDH algorithm insecure channels is, therefore, Man-in-the-Middle (MITM) network. Therefore, validate agreement avoid adversaries, considers Elliptic Curve Digital Signature Algorithm (ECDSA) authenticates allows legitimate instances last, formal analysis using Scyther tool validates enhancement protocol.