期刊
IEEE INTERNET OF THINGS JOURNAL
卷 10, 期 15, 页码 13247-13263出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JIOT.2023.3262498
关键词
Authentication; Bluetooth; GNY; Internet of Things; security
Wireless body area networks (WBANs) commonly use Bluetooth as the communication technology, but the scalar multiplication of elliptic curve cryptography (ECC) in Bluetooth is computationally expensive for WBAN devices. To address this, we propose a lightweight and secure numeric comparison protocol (LSNCP) that requires fewer scalar multiplications than Bluetooth's NCP. We verify the security of LSNCP using logic expressions and rules in GNY logic and conduct a provable security analysis. The results show that LSNCP is secure and has lower computation cost compared to NCP and other benchmark protocols. LSNCP has potential applications in healthcare, Metaverse, and blockchain.
Wireless body area networks (WBANs) have been deployed in numerous applications, where the most common communication technology is Bluetooth. Bluetooth uses the numeric comparison protocol (NCP) to negotiate session keys based on the elliptic curve cryptography (ECC) and Out-of-Band (OoB) channels. However, the scalar multiplication of ECC is a heavy computing operation for devices in WBANs. To address this issue, we propose the lightweight and secure NCP (LSNCP) which requires less scalar multiplication than the NCP in Bluetooth. New logic expressions and rules are proposed to verify the security of LSNCP in GNY logic. The proof shows that LSNCP is secure. We conduct a provable security analysis by integrating the commitment scheme and short hash function. The result shows that LSNCP is secure in the modified Bellare-Rogaway model. Finally, we conduct theoretical analysis and experiments to evaluate the performance of LSNCP. The results confirm that LSNCP has less computation cost than NCP and other benchmark protocols. LSNCP has many potential application scenarios, such as healthcare, Metaverse, and blockchain.
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