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In this paper, the impact of in-band full-duplex (IBFD) wireless communications on secret key generation via physical layer channel state information is investigated. A key generation strategy for IBFD wireless devices to increase the rate…

Information Theory · Computer Science 2016-10-06 Alireza Sadeghi , Michele Zorzi , Farshad Lahouti

All instances of the semidirect key exchange protocol, a generalisation of the famous Diffie-Hellman key exchange protocol, satisfy the so-called "telescoping equality"; in some cases, this equality has been used to construct an attack. In…

Cryptography and Security · Computer Science 2022-03-16 Christopher Battarbee , Delaram Kahrobaei , Dylan Tailor , Siamak F. Shahandashti

In this work, we introduce an active attack on a Group Key Exchange protocol by Burmester and Desmedt. The attacker obtains a copy of the shared key, which is created in a collaborative manner with the legal users in a communication group.

Cryptography and Security · Computer Science 2016-03-31 Mohamed Baouch , Juan Antonio López-Ramos , Reto Schnyder , Blas Torrecillas

This work presents a secure novel solution based on inertial measurement units to provide indoor location and positioning in airports. The use of different technologies allows to locate people with precision in this kind of indoor places…

Cryptography and Security · Computer Science 2022-09-29 I Santos-González , A Rivero-García , P Caballero-Gil

We revisit the recent secure degrees of freedom (s.d.o.f.) results for one-hop multi-user wireless networks by considering three fundamental wireless network structures: Gaussian wiretap channel with helpers, Gaussian multiple access…

Information Theory · Computer Science 2015-07-09 Jianwei Xie , Sennur Ulukus

Recent trend towards cloud computing paradigm, smart devices and 4G wireless technologies has enabled seamless data sharing among users. Cloud computing environment is distributed and untrusted, hence data owners have to encrypt their data…

Cryptography and Security · Computer Science 2016-02-04 Yogachandran Rahulamathavan

Edge nodes are crucial for detection against multitudes of cyber attacks on Internet-of-Things endpoints and is set to become part of a multi-billion industry. The resource constraints in this novel network infrastructure tier constricts…

Cryptography and Security · Computer Science 2022-07-07 Praneet Singh , Jishnu Jaykumar , Akhil Pankaj , Reshmi Mitra

Quantum key distribution (QKD offers a long-term solution to establish information-theoretically secure keys between two distant users. In practice, with a careful characterization of quantum sources and the decoy-state method,…

Physical layer security has been considered as an important security approach in wireless communications to protect legitimate transmission from passive eavesdroppers. This paper investigates the physical layer security of a wireless…

Information Theory · Computer Science 2017-04-27 Wenfei Liu , Ming Li , Xiaowen Tian , Zihuan Wang , Qian Liu

Machine learning has been widely applied in wireless communications. However, the security aspects of machine learning in wireless applications have not been well understood yet. We consider the case that a cognitive transmitter senses the…

Networking and Internet Architecture · Computer Science 2019-01-29 Yi Shi , Tugba Erpek , Yalin E. Sagduyu , Jason H. Li

In this paper, the privacy of wireless transmissions is improved through the use of an efficient technique termed dynamic directional modulation (DDM), and is subsequently assessed in terms of the measure of information leakage. Recently, a…

Wireless communication provides a wide coverage at the cost of exposing information to unintended users. As an information-theoretic paradigm, secrecy rate derives bounds for secure transmission when the channel to the eavesdropper is…

Information Theory · Computer Science 2016-11-17 Ashkan Kalantari , Mojtaba Soltanalian , Sina Maleki , Symeon Chatzinotas , Björn Ottersten

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

Bluetooth is a pervasive wireless communication technology used by billions of devices for short-range connectivity. The security of Bluetooth relies on the pairing process, where devices establish shared long-term keys for secure…

Cryptography and Security · Computer Science 2025-07-04 Keiichiro Kimura , Hiroki Kuzuno , Yoshiaki Shiraishi , Masakatu Morii

Recently, physical layer security based approaches have drawn considerable attentions and are envisaged to provide secure communications in the wireless networks. However, most existing literatures only focus on the physical layer. Thus,…

Information Theory · Computer Science 2013-08-19 Jun Wang , Pengfei Huang , Xudong Wang

Diffie-Hellman key-agreement and RSA cryptosystem are widely used to provide security in internet protocols. But both of the two algorithms are totally breakable using Shor's algorithms. This paper proposes two connected matrix-based…

Cryptography and Security · Computer Science 2022-08-05 Abdelhaliem Babiker

The Algebraic Eraser Diffie-Hellman (AEDH) protocol was introduced in 2005 and published in 2006 by Anshel-Anshel-Goldfeld-Lemieux as a protocol suitable for use on platforms with constrained computational resources, such as FPGAs, ASICs,…

Cryptography and Security · Computer Science 2016-01-20 Iris Anshel , Derek Atkins , Dorian Goldfeld , Paul E. Gunnells

A massive MIMO system, represented by a base station with hundreds of antennas, is capable of spatially multiplexing many devices and thus naturally suited to serve dense crowds of wireless devices in emerging applications, such as…

Information Theory · Computer Science 2017-09-06 Elisabeth de Carvalho , Emil Björnson , Jesper H. Sørensen , Erik G. Larsson , Petar Popovski

Security is an essential requirement of Industrial Control System (ICS) environments and its underlying communication infrastructure. Especially the lowest communication level within Supervisory Control and Data Acquisition (SCADA) systems…

Cryptography and Security · Computer Science 2022-09-07 Thomas R. Doebbert , Florian Fischer , Dominik Merli , Gerd Scholl

With the ever increasing volume of information over wireless medium, security has assumed an important dimension. The security of transmitted data over a wireless channel aims at protecting the data from unauthorized intrusion. Wireless…

Cryptography and Security · Computer Science 2012-11-22 Poonam Jindal , Brahmjit Singh