Lightweight encryption solution for train communication network

TANG Jun; GE Qianghua; ZOU Zhirong; CHEN Bo; TANG Pin

doi:10.13890/j.issn.1000-128X.2024.01.100

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Lightweight encryption solution for train communication network

Electric Traction and Control | 更新时间：2024-08-02

- Lightweight encryption solution for train communication network
- Electric Drive for Locomotives Issue 1, Pages: 122-128(2024)
- 作者机构：
  
  中车株洲电力机车研究所有限公司，湖南株洲 412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2024.01.100
  CLC： TP311.1;TP393
- Published：10 January 2024，
  
  Received：25 August 2023，
- 稿件说明：
扫描看全文
唐军, 葛强华, 邹智荣, 等. 面向列车通信网络的轻量化加密方案[J]. 机车电传动, 2024(1): 122-128.

TANG Jun, GE Qianghua, ZOU Zhirong, et al. Lightweight encryption scheme for train communication network[J]. Electric drive for locomo tives, 2024(1): 122-128.
唐军, 葛强华, 邹智荣, 等. 面向列车通信网络的轻量化加密方案[J]. 机车电传动, 2024(1): 122-128. DOI：10.13890/j.issn.1000-128X.2024.01.100.

TANG Jun, GE Qianghua, ZOU Zhirong, et al. Lightweight encryption scheme for train communication network[J]. Electric drive for locomo tives, 2024(1): 122-128. DOI：10.13890/j.issn.1000-128X.2024.01.100.

摘要

随着无线通信技术的广泛应用，列车通信网络面临的网络安全风险随之增加。数据加密是应对网络安全风险的重要手段，但也需要额外消耗处理器的计算资源。列车通信网络主机都是由嵌入式设备组成，计算资源有限。文章提出了一种面向列车通信网络的轻量化加密方案，该加密方案在传统通信加密方案上提出了一种密钥协商流程，大幅降低密钥管理硬件要求和计算量，达到在列车通信网络轻量化加密，满足通信数据真实性、完整性、保密性要求。经过试验验证，该方案的密钥协商用时约为传统SM2+SM3+SM4通信加密方案的31.9%，设备CPU负荷约为其35.8%。

Abstract

The wide application of wireless communication technology has brought about an increase in network security risks for train communication networks. To mitigate these risks

data encryption has emerged as an important means

albeit with additional demand on CPU computing resources. However

train communication network hosts predominantly rely on embedded devices with limited computing resources. This paper proposes a lightweight encryption solution for train communication networks. This solution employs a key negotiation process based on traditional communication encryption scheme

aiming to achieve lightweight encryption in train communication networks and compliance with the authenticity

integrity

and confidentiality requirements of communication data

while greatly reducing hardware demands and computational burdens associated with key management. Experimental verification using the proposed solution yielded a key negotiation time consumption of about 31.9% and reduced the CPU load on devices to about 35.8% when compared to the traditional SM2+SM3+SM4 communication encryption method.

关键词

列车通信网络数据加密轻量化密钥协商

Keywords

train communication networkdata encryptionlightweightkey negotiation

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