可见光通信中IRS辅助的CRC碰撞隐蔽注入攻击

司华来; 陈德元; 高绍帅; 张灿

doi:10.7523/j.ucas.2026.039

中国科学院大学学报 >

0 2026039

DOI: https://doi.org/10.7523/j.ucas.2026.039

可见光通信中IRS辅助的CRC碰撞隐蔽注入攻击

司华来 ,
陈德元 ,
高绍帅 ,
张灿

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中国科学院大学电子电气与通信工程学院,北京,海淀 100190

收稿日期: 2026-03-23

修回日期: 2026-08-24

网络出版日期: 2026-08-26

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IRS-assisted CRC-collision covert injection attack in visible light communication^*

SI Hualai ,
CHEN Deyuan ,
GAO Shaoshuai ,
ZHANG Can

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School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100190, China

Received date: 2026-03-23

Revised date: 2026-08-24

Online published: 2026-08-26

Supported by

^*Fundamental Research Funds for the Central Universities（No. E2E41902X2, E3ET901X2）

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摘要

针对可见光通信中循环冗余校验（CRC）保护链路缺乏定向完整性攻击研究的问题,本文首次提出一种智能反射面（IRS）辅助的CRC碰撞隐蔽注入攻击框架。在开关键控（OOK）/强度调制与直接检测（IM/DD）模型下,构建主—协作接收符号级攻击模型;在非负光强约束下,将攻击作用分解为0→1注入增强和1→0基于截获衰减的受控回填,其中受控回填通过弱回填约束实现。联合CRC碰撞构造、双模式IRS切换与波形—IRS协同优化,实现目标符号翻转并抑制协作检测统计量异常。仿真表明,所提方法的帧级攻击成功率和CRC校验通过率均为98%,整体检测率为8%。消融实验验证了双模式切换、比值偏差控制和弱回填机制的关键作用。

关键词： 可见光通信; 智能反射面; 隐蔽注入攻击; 循环冗余校验（CRC）; 协作检测

本文引用格式

司华来 , 陈德元 , 高绍帅 , 张灿 . 可见光通信中IRS辅助的CRC碰撞隐蔽注入攻击[J]. 中国科学院大学学报, 0 : 2026039 . DOI: 10.7523/j.ucas.2026.039

Abstract

Visible light communication (VLC) systems commonly employ cyclic redundancy check (CRC) to ensure frame integrity, yet targeted integrity attacks against CRC-protected VLC links remain largely unexplored. To the best of our knowledge, this paper presents the first intelligent reflecting surface (IRS)-assisted CRC-collision covert injection framework for VLC systems. Under the on-off keying (OOK)/intensity modulation and direct detection (IM/DD) model, a symbol-level attack model is developed for a system consisting of a main receiver and a cooperative receiver. Subject to the non-negative optical intensity constraint, the attack action is decomposed into two physically realizable operations, namely injection enhancement for 0→1 flipping and interception-based attenuation with controlled backfill for 1→0 flipping, where the controlled backfill is implemented through a weak-backfill constraint. On this basis, CRC-collision construction, dual-mode IRS switching, and joint waveform-IRS optimization are integrated to realize targeted symbol manipulation while suppressing anomalies in cooperative detection statistics. Simulation results show that the proposed method achieves a frame-level attack success rate of 98%, with a CRC pass rate of 98% and an overall detection rate of 8%. Ablation studies further verify that dual-mode switching, ratio-deviation control, and the weak-backfill mechanism are all essential to maintaining both attack effectiveness and covertness. The proposed framework provides a tractable model for studying integrity-oriented stealth attacks in VLC systems and offers useful support for the design of corresponding detection and protection mechanisms.

Key words： visible light communication; intelligent reflecting surface; covert injection attack; cyclic redundancy check; cooperative detection

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