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Keyless Physical-Layer Cryptography

  • 2026
  • OriginalPaper
  • Chapter
Published in:
Authors
Senlin Liu
Dongshu Cai
Dongchi Han
Hongbo Liu
Xianhui Lu
Published in
Information Security
Publisher
Springer Nature Switzerland

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Abstract

This chapter delves into the realm of keyless physical-layer cryptography, focusing on the development and implementation of secure wireless communication techniques. The text explores the limitations of traditional physical-layer security (PLS) schemes, which often rely on unrealistic assumptions such as limited eavesdropper capabilities. It introduces a novel approach that leverages full-duplex and pilot matrix designs to achieve robust security, even when these assumptions do not hold. The chapter discusses the integration of lattice-based cryptography with MIMO systems, presenting a new MIMO-Lattice Threat Model that addresses the challenges of eavesdropping in wireless networks. Through detailed explanations and practical experiments, the chapter demonstrates how this innovative scheme can ensure semantic security and resist quantum attacks, making it a promising solution for future 6G networks. The conclusion highlights the potential of this approach to enhance wireless group communication security without the need for key sharing, offering a new paradigm for post-quantum cryptosystems.
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previous chapter Improving the Differential-Linear Attack with Applications to GIFT-COFB, GIFT-64 and HyENA
next chapter The Multi-user Security of GCM-SST and Further Enhancements
Title
Keyless Physical-Layer Cryptography
Authors
Senlin Liu
Dongshu Cai
Dongchi Han
Hongbo Liu
Xianhui Lu
Copyright Year
2026
Book
Information Security

Print ISBN: 978-3-032-08123-0

Electronic ISBN: 978-3-032-08124-7

Copyright Year: 2026

DOI
https://doi.org/10.1007/978-3-032-08124-7_2
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