A Group-oriented Authentication Scheme for IoT Devices in 5G Networks
Qili Guo, Chengzhe Lai, Haoyan Ma, Dong Zheng · 2023
One of the 5G support for IoT is Massive Machine Type Communication (mMTC). However, it also poses a great challenge to the IoT network, which cannot cope with the massive number of devices accessing at the same time. In this paper, we propose a group-oriented authentication scheme which supports a large number of devices accessing. In particular, the proposed scheme enables lightweight intra-group authentication and leader election through collaborative filtering techniques. In addition, our solution enables secure and efficient key agreement and mutual authentication by using Round-Efficient and Sender-Unrestricted Dynamic Group Key Agreement (RESUD-GKA), aggregate signature with forward security and proxy signature. We also introduce software-defined networking (SDN) and combine mobile edge computing (MEC) and network function virtualization (NFV) to fully utilize the links and greatly reduce the time cost. Ultimately, multiple security objectives of the protocol are assessed through the utilization of security analysis and the formal verification tool Scyther. Performance evaluation shows that the proposed scheme has lower bandwidth and transmission overhead compared to existing schemes.