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Keyless Physical-Layer Cryptography

delete2026-01-01
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PRE
AI
S
Senlin Liu
D
Dongshu Cai
H
Han, Dongchi
H
Hongbo Liu
X
Xianhui Lu *
DOI:10.1007/978-3-032-08124-7_2delete
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摘要

摘要

En 中文
我们提出了一种通过导频设计和MIMO技术的新型物理层加密方案。在形式化约简证明和非形式化可靠性分析下,我们证明了合法用户的解码复杂度随天线数量线性增长,而窃听者则无法实现计算解码。与传统无线物理层安全方案相比,所提方案即使窃听者拥有无限计算能力、无限天线或知晓合法信道仍能保持安全。本方案利用物理层无线信道特性实现无需预共享密钥的复杂网络层加密。此外,涉及格的算法为安全组通信提供了新途径,可用于增强6G后量子密码系统的安全性。实验结果表明,所提方案使窃听者达到约0.5的误码率,而合法接收端接近0。
Keyword:
Physical layer cryptography
Lattice problems
Channel estimation
MIMO
Wirelesssecurity

期刊

I
INFORMATION SECURITY, ISC 2025
IF:
0
论文数:
26
被引数:
0

机构

C
chinese academy of sciences
学者数:
56.7W
论文数: 45.0W
被引数: 704
引用论文

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