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In this paper, a multilayer perceptron guided key generation for encryption/decryption (MLPKG) has been proposed through recursive replacement using mutated character code generation for wireless communication of data/information.…

Cryptography and Security · Computer Science 2012-08-14 Arindam Sarkar , J. K. Mandal

The bloom of the fifth generation (5G) communication and beyond serves as a catalyst for physical layer key generation techniques. In 5G communications systems, many challenges in traditional physical layer key generation schemes, such as…

Signal Processing · Electrical Eng. & Systems 2019-08-29 Long Jiao , Ning Wang , Pu Wang , Amir Alipour-Fanid , Jie Tang , Kai Zeng

Joint communication and sensing is expected to be one of the features introduced by the sixth-generation (6G) wireless systems. This will enable a huge variety of new applications, hence, it is important to find suitable approaches to…

Cryptography and Security · Computer Science 2023-10-24 Miroslav Mitev , Amitha Mayya , Arsenia Chorti

This manuscript aims to generate a secret key for a PHY layer to evaluate the channel characteristics in wireless communications. An algorithmic approach is adopted for multimedia encryption to generate a secret key between two entities…

Cryptography and Security · Computer Science 2013-08-07 B. U. V Prashanth , Y. Pandurangaiah

In this paper, we consider the problem of secret key generation for multiple parties. Multi-user networks usually require a trusted party to efficiently distribute keys to the legitimate users and this process is a weakness against…

Cryptography and Security · Computer Science 2022-08-30 Ufuk Altun , Semiha T. Basaran , Gunes K. Kurt , Enver Ozdemir

We propose a novel physical layer secret key generation method for the inter-spacecraft communication links. By exploiting the Doppler frequency shifts of the reciprocal spacecraft links as a unique secrecy source, spacecrafts aim to obtain…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Ozan Alp Topal , Gunes Karabulut Kurt , Halim Yanikomeroglu

Leakage of information in power line communication networks is a threat to privacy and security both in smart grids and in-home applications. A way to enhance security is to encode the transmitted information with a secret key. Relying on…

Cryptography and Security · Computer Science 2020-04-14 Federico Passerini , Andrea M. Tonello

In this work, we propose an outsourced Secure Multilayer Perceptron (SMLP) scheme where privacy and confidentiality of both the data and the model are ensured during the training and the classification phases. More clearly, this SMLP : i)…

Cryptography and Security · Computer Science 2018-06-08 Reda Bellafqira , Gouenou Coatrieux , Emmanuelle Genin , Michel Cozic

Physical-layer key generation (PLKG) has emerged as a promising technique to secure next-generation wireless networks by exploiting the inherent properties of the wireless channel. However, PLKG faces fundamental challenges in the…

Signal Processing · Electrical Eng. & Systems 2025-08-27 Poorya Mollahosseini , Yasaman Ghasempour

Physical layer approaches for generating secret encryption keys for wireless systems using channel information have attracted increased interest from researchers in recent years. This paper presents a new approach for calculating…

Information Theory · Computer Science 2023-07-11 John A. Snoap

Physical-layer key generation (PKG) based on channel reciprocity has recently emerged as a new technique to establish secret keys between devices. Most works focus on pairwise communication scenarios with single or small-scale antennas.…

Information Theory · Computer Science 2020-09-23 Guyue Li , Chen Sun , Eduard Jorswieck , Junqing Zhang , Aiqun Hu , You Chen

Cellular communication technologies such as 5G are deployed on a large scale around the world. Compared to other communication technologies such as WiFi, Bluetooth, or Ultra Wideband, the 5G communication standard describes support for a…

Physical layer key generation from the wireless channel is an emerging area of interest to provide confidentiality and authentication. One of the main challenges in this domain is to increase the length of the secret key while maintaining…

Signal Processing · Electrical Eng. & Systems 2021-10-01 Haji M. Furqan , Jehad M. Hamamreh , Huseyin Arslan

We study covert communication and covert secret key generation with positive rates over quantum state-dependent channels. Specifically, we consider fully quantum state-dependent channels when the transmitter shares an entangled state with…

Information Theory · Computer Science 2025-12-01 Hassan ZivariFard , Rémi A. Chou , Xiaodong Wang

In state-of-the-art quantum key distribution (QKD) systems, the main limiting factor in increasing the key generation rate is the timing resolution in detecting photons. Here, we present and experimentally demonstrate a strategy to overcome…

Quantum Physics · Physics 2021-07-29 Johannes Pseiner , Lukas Achatz , Lukas Bulla , Martin Bohmann , Rupert Ursin

In this article, we introduce a quantum key distribution protocol for the line of sight channels based on coincidence measurements. We present a proof-of-concept implementation of our protocol. We show that using coincidence measurements to…

Deep learning-based physical-layer secret key generation (PKG) has been used to overcome the imperfect uplink/downlink channel reciprocity in frequency division duplexing (FDD) orthogonal frequency division multiplexing (OFDM) systems.…

Information Theory · Computer Science 2024-02-19 Xinwei Zhang , Guyue Li , Junqing Zhang , Linning Peng , Aiqun Hu , Xianbin Wang

Physical-layer key generation (PKG) in multi-user massive MIMO networks faces great challenges due to the large length of pilots and the high dimension of channel matrix. To tackle these problems, we propose a novel massive MIMO key…

Information Theory · Computer Science 2020-05-19 You Chen , Guyue Li , Chen Sun , Junqing Zhang , Eduard Jorswieck , Bin Xiao

Wireless key generation holds significant promise for establishing cryptographic keys in Next-Gen Internet of Vehicles (IoV) systems. However, existing approaches often face inefficiencies and performance limitations caused by frequent…

Networking and Internet Architecture · Computer Science 2025-02-25 Huanqi Yang , Weitao Xu

This paper presents automatic key generation for long-range wireless communications in low power wide area networks (LPWANs), employing LoRa as a case study. Differential quantization is adopted to extract a high level of randomness.…

Cryptography and Security · Computer Science 2018-10-19 Junqing Zhang , Alan Marshall , Lajos Hanzo
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