Blockchain-based access control for dynamic device management in microgrid

Zhang, Kai; Yu, Jinhu; Lin, Chao; Ning, Jianting

doi:10.1007/s12083-022-01316-5

Cited by 5 publications

(1 citation statement)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[6] proposes a novel blockchain-based lightweight access control scheme that uses a consensus mechanism to construct a trusted sharing network and obfuscates the access control policy with fuzzy attribute set to improve system security while reducing the computing complexity of system users. [7] describe a blockchain-based access control system called Fast and Dynamic Access Control (FDAC) for device management in a microgrid, using attribute-based access control and smart contracts for authentication, access policy, and credit assessment of user behavior, with improved performance and accuracy compared to traditional approaches. [8] proposes a blockchain-based smart grid data access control scheme to address security issues caused by a centralized trusted node.…”

Section: Introductionmentioning

confidence: 99%

Blockchain-based MQTT communication access control scheme for the Internet of Things

Chen,

Du,

et al. 2023

Second International Conference on Electronic Information Technology (EIT 2023)

View full text Add to dashboard Cite

The Message Queuing Telemetry Transport (MQTT) protocol is commonly used in the Internet of Things (IoT) due to its simple and efficient communication method. However, this also brings some security risks, such as arbitrary device publishing and subscription that can cause the IoT system to malfunction. Traditional MQTT access control methods, such as using access control lists (ACL), have some problems, such as security issues in storing permissions and matching efficiency. In this paper, we propose a blockchain-based access control method for IoT MQTT communication, which uses decentralized blockchain to store access control information, solves the problem of single-point failure, and ensures information security. To address the MQTT permission matching issue, we propose a Patricia Trie based adaptive priority topic search tree (PTST). This data structure optimizes the storage consumption of permission information and, for MQTT wildcard matching, uses an adaptive priority permission matching approach, which always searches from high to low priority, greatly improving the matching efficiency. Then we propose an access control model and process based on eXtensible Access Control Markup Language (XACML) standard. In the end, we perform performance testing and comparison with other data structures, and the results show good performance of PTST, demonstrating the feasibility of our scheme.

show abstract

Section: Introductionmentioning

confidence: 99%