期刊
IEEE CONSUMER ELECTRONICS MAGAZINE
卷 11, 期 2, 页码 88-96出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MCE.2021.3061808
关键词
Authentication; Public key; Blockchain; Reliability; Privacy; Consumer electronics; Servers
类别
资金
- National Natural Science Foundation of China [61972037, 61402037, 61872041, U1836212]
The development of IoT and fog computing has led to the need for various authentication mechanisms for IoT devices. Traditional PKI-based schemes face security and privacy issues due to centralization, hence blockchain-based authentication schemes have been proposed as a decentralized solution. However, existing blockchain solutions are not suitable for resource-constrained IoT devices in fog-based environments. To address these issues, a Blockchain-enabled reliable and Privacy-preserving Authentication for Fog-based IoT devices (BPAF) is proposed, providing efficient privacy-preserving and reliable authentication for fog nodes and full nodes.
The development of IoT and fog computing promotes various kinds of authentication mechanisms for IoT devices. Traditional IoT authentication schemes are based on Public Key Infrastructure (PKI) where a centralized certificate authority is introduced. To mitigate the security, privacy, and reliability issues bring from the centralization, some blockchain-based authentication schemes have been presented to achieve decentralized authentication. Unfortunately, they cannot be directly used under the fog-based IoT environment, which consists of resource-constrained IoT devices. To mitigate these issues, we present a Blockchain-enabled reliable, and Privacy-preserving Authentication for Fog-based IoT devices, named BPAF. BPAF achieves reliable authentication of fog nodes without violating the privacy of authenticated users during the authentication process. Security analysis and experimental evaluations show that BPAF achieves privacy-preserving and reliable authentication with high efficiency for both the fog nodes and full nodes participating in the authentication process.
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