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The wireless sensor network has become a hot research area due its wide range of application in military and civilian domain, but as it uses wireless media for communication these are easily prone to security attacks. There are number of…

Cryptography and Security · Computer Science 2015-06-05 Preeti Sharma , Monika Saluja , Krishan Kumar Saluja

The spoofing attack is critical to bypass physical-layer signal authentication. This paper presents a deep learning-based spoofing attack to generate synthetic wireless signals that cannot be statistically distinguished from intended…

Networking and Internet Architecture · Computer Science 2020-07-17 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu

In this paper, we present a stealthy and effective attack that exposes privacy vulnerabilities in Graph Neural Networks (GNNs) by inferring private links within graph-structured data. Focusing on the inductive setting where new nodes join…

Cryptography and Security · Computer Science 2023-07-26 Oualid Zari , Javier Parra-Arnau , Ayşe Ünsal , Melek Önen

In ultralong fiber laser key distribution, two sides use standard optical equipment to create kilometer long fiber lasers in a communication link to establish a secret key. Its security rests on the assumption that any attacker would need…

Applied Physics · Physics 2017-08-18 Juan Carlos Garcia-Escartin , Pedro Chamorro-Posada

Node forgery or impersonation, in which legitimate cryptographic credentials are captured by an adversary, constitutes one major security threat facing wireless networks. The fact that mobile devices are prone to be compromised and reverse…

Networking and Internet Architecture · Computer Science 2015-01-08 Qiang Xu , Rong Zheng , Walid Saad , Zhu Han

Quantum key distribution (QKD) protocols are proven secure based on fundamental physical laws, however, the proofs consider a well-defined setting and encoding of the sent quantum signals only. Side channels, where the encoded quantum state…

In this work, we consider a K-user Gaussian wiretap multiple-access channel (GW-MAC) in which each transmitter has an independent confidential message for the receiver. There is also an external eavesdropper who intercepts the…

Information Theory · Computer Science 2015-10-06 Parisa Babaheidarian , Somayeh Salimi , Panos Papadimitratos

Channel Reciprocity-based Key Generation (CRKG) exploits reciprocal channel randomness to establish shared secret keys between wireless terminals. This new security technique is expected to complement existing cryptographic techniques for…

Information Theory · Computer Science 2024-04-11 Guyue Li , Paul Staat , Haoyu Li , Markus Heinrichs , Christian Zenger , Rainer Kronberger , Harald Elders-Boll , Christof Paar , Aiqun Hu

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

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

Information-theoretically secure communications are possible when channel noise is usable and when the channel has an intrinsic characteristic that a legitimate receiver (Bob) can use the noise more advantageously than an eavesdropper…

Cryptography and Security · Computer Science 2018-03-15 Tatsuya Tomaru

In a spoofing attack, an attacker impersonates a legitimate user to access or tamper with data intended for or produced by the legitimate user. In wireless communication systems, these attacks may be detected by relying on features of the…

Machine Learning · Computer Science 2022-11-09 Daniel Romero , Peter Gerstoft , Hadi Givehchian , Dinesh Bharadia

This study introduces a decentralized approach to secure wireless communication using a cryptographic secret key generation algorithm among distributed nodes. The system model employs Gaussian prime numbers, ensuring the collaborative…

Cryptography and Security · Computer Science 2024-07-16 Ertugrul Alper , Eray Guven , Gunes Karabulut Kurt , Enver Ozdemir

Wireless Sensor Networks (WSNs) are rapidly emerging as an important new area in wireless and mobile computing research. Applications of WSNs are numerous and growing, and range from indoor deployment scenarios in the home and office to…

Networking and Internet Architecture · Computer Science 2013-01-23 Jaydip Sen

Neighbourhood watch is a concept that allows a community to distribute a complex security task in between all members. Members of the community carry out individual security tasks to contribute to the overall security of it. It reduces the…

Cryptography and Security · Computer Science 2024-07-22 Benjamin Förster , Peter Langendörfer , Thomas Hinze

We study the problem of generating a shared secret key between two terminals in a joint source-channel setup -- the sender communicates to the receiver over a discrete memoryless wiretap channel and additionally the terminals have access to…

Information Theory · Computer Science 2016-11-18 Ashish Khisti , Suhas Diggavi , Gregory Wornell

Two-way Gaussian protocols have the potential to increase quantum key distribution (QKD) protocols' secret-key rates by orders of magnitudes~[Phys.~Rev.~A {\bf 94}, 012322 (2016)]. Security proofs for two-way protocols, however, are…

Quantum Physics · Physics 2018-10-04 Quntao Zhuang , Zheshen Zhang , Norbert Lütkenhaus , Jeffrey H. Shapiro

Key establishment in sensor networks becomes a challenging problem because of the resource limitations of the sensors and also due to vulnerability to physical capture of the sensor nodes. In this paper, we propose an unconditionally secure…

Cryptography and Security · Computer Science 2011-03-25 Ashok Kumar Das

This paper develops a novel framework for sharing secret keys using existing Automatic Repeat reQuest (ARQ) protocols. Our approach exploits the multi-path nature of the wireless environment to hide the key from passive eavesdroppers. The…

Information Theory · Computer Science 2008-10-09 Mohamed Abdel Ghany , Ahmed Sultan , Hesham El Gamal

Acoustic side-channel attacks on keyboards can bypass security measures in many systems that use keyboards as one of the input devices. These attacks aim to reveal users' sensitive information by targeting the sounds made by their keyboards…

Cryptography and Security · Computer Science 2024-03-14 Alireza Taheritajar , Reza Rahaeimehr
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