The Second Peoples Hospital of Jingdezhen, Jingdezhen, China.
PLoS One. 2023 Aug 30;18(8):e0290323. doi: 10.1371/journal.pone.0290323. eCollection 2023.
Aiming at the quantum algorithm which can solve the problem of large integer decomposition and discrete logarithm in polynomial time, an anti-quantum computing key management scheme for clustered sensor networks is proposed in this paper. The lattice-based cryptosystem is used to achieve the anti-quantum performance of the key management scheme, and the security of the network is further improved through the mutual authentication of sensor network nodes. Due to the limited storage space of sensor nodes, this paper adopts the cluster management of wireless sensor networks, and most sensor nodes only need a small amount of storage space, thus reducing the deployment cost. Cluster management is suitable for medium and large-scale deployment of sensor networks. Because the data traffic is much larger than that of mutual authentication, the sensor nodes in wireless sensor networks use symmetric keys to communicate with each other after mutual authentication, which can effectively improve the communication efficiency in the case of frequent data communication. Experiments show that the authentication scheme based on lattice cryptosystem proposed in this paper will not improve with the continuous improvement of the security level, and its authentication scale will maintain a relatively stable state, while the algorithm scheme based on RSA will increase the authentication cost with the continuous improvement of the security level, so the scheme proposed in this paper is more suitable for application in the environment with high security level. This scheme can effectively reduce the cost of mutual authentication of sensor nodes, is conducive to the expansion of the network, and can ensure the security of authentication between sensor nodes even in the post-quantum era.
针对可在多项式时间内解决大整数分解和离散对数问题的量子算法，本文提出了一种用于群集传感器网络的抗量子计算密钥管理方案。该方案利用格基密码系统实现密钥管理方案的抗量子性能，并通过传感器网络节点的相互认证进一步提高网络的安全性。由于传感器节点的存储空间有限，本文采用无线传感器网络的簇管理，大多数传感器节点只需要少量的存储空间，从而降低了部署成本。簇管理适用于中大规模的传感器网络部署。由于数据流量远大于相互认证，经过相互认证后，无线传感器网络中的传感器节点使用对称密钥相互通信，这可以在频繁的数据通信的情况下有效提高通信效率。实验表明，本文提出的基于格密码系统的认证方案不会随着安全级别不断提高而提高，其认证规模将保持相对稳定的状态，而基于 RSA 的算法方案将随着安全级别不断提高而增加认证成本，因此本文提出的方案更适用于安全级别较高的环境。该方案可以有效降低传感器节点相互认证的成本，有利于网络的扩展，并且即使在后量子时代也可以确保传感器节点之间认证的安全性。
