A Blockchain-Based Authentication and Dynamic Group Key Agreement Protocol

Clicks: 265
ID: 117529
2020
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Abstract
With the rapid development of mobile networks, there are more and more application scenarios that require group communication. For example, in mobile edge computing, group communication can be used to transmit messages to all group members with minimal resources. The group key directly affects the security of the group communication. Most existing group key agreement protocols are often flawed in performance, scalability, forward or backward secrecy, or single node failure. Therefore, this paper proposes a blockchain-based authentication and dynamic group key agreement protocol. With our protocol, each group member only needs to authenticate its left neighbor once to complete the authentication, which improved authentication efficiency. In addition, our protocol guarantees the forward secrecy of group members after joining the group and the backward secrecy of group members after leaving the group. Based on blockchain technology, we solve the problem of single node failure. Furthermore, we use mathematics to prove the correctness and security of our protocol, and the comparison to related protocols shows that our protocol reduces computation and communication costs.
Reference Key
xu2020sensorsa Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zisang Xu;Feng Li;Han Deng;Minfu Tan;Jixin Zhang;Jianbo Xu;Xu, Zisang;Li, Feng;Deng, Han;Tan, Minfu;Zhang, Jixin;Xu, Jianbo;
Journal sensors
Year 2020
DOI
10.3390/s20174835
URL
https://www.mdpi.com/1424-8220/20/17/4835
Keywords
authentication blockchain cryptography group key agreement

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