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We analyze a cryptographic protocol for generating a distributed secret key from correlations that violate a Bell inequality by a sufficient amount, and prove its security against eavesdroppers, constrained only by the assumption that any…

Quantum Physics · Physics 2014-12-02 Ll. Masanes , R. Renner , M. Christandl , A. Winter , J. Barrett

This paper investigates the information-theoretic decentralized secure aggregation (DSA) problem under practical groupwise secret keys and collusion resilience. In DSA, $K$ users are interconnected through error-free broadcast channels.…

Information Theory · Computer Science 2025-11-19 Zhou Li , Xiang Zhang , Yizhou Zhao , Haiqiang Chen , Jihao Fan , Giuseppe Caire

This paper presents a novel pre-shared key (PSK) agreement scheme to establish a secure connection between a Wi-Fi client and access point (AP) without prior knowledge of a password. The standard IEEE 802.11 security method, Robust Security…

Networking and Internet Architecture · Computer Science 2017-11-30 Seokseong Jeon , Chansu Yu , Young-Joo Suh

For a discrete or a continuous source model, we study the problem of secret-key generation with one round of rate-limited public communication between two legitimate users. Although we do not provide new bounds on the wiretap secret-key…

Information Theory · Computer Science 2014-05-19 Remi A. Chou , Matthieu R. Bloch

We consider a pair-wise independent network where every pair of terminals in the network observes a common pair-wise source that is independent of all the sources accessible to the other pairs. We propose a method for secret key agreement…

Information Theory · Computer Science 2007-07-13 Chunxuan Ye , Alex Reznik

We are interested in investigating the security of source encryption with a symmetric key under side-channel attacks. In this paper, we propose a general framework of source encryption with a symmetric key under the side-channel attacks,…

Information Theory · Computer Science 2022-05-05 Yasutada Oohama , Bagus Santoso

A Wireless Sensor Network (WSN) is emerging field in Information and communication technology. In WSN data transmission and data collection are unsecure because of sensor node Incompatibility. So providing security to Sensor network is very…

Networking and Internet Architecture · Computer Science 2012-07-25 V. Jayaraj , M. Indhumathi

This paper studies the problem of secure communication over a K-transmitter multiple access channel in the presence of an external eavesdropper, subject to a joint secrecy constraint (i.e., information leakage rate from the collection of K…

Information Theory · Computer Science 2017-01-24 Yanling Chen , O. Ozan Koyluoglu , A. J. Han Vinck

In this work we study the problem of secure communication over a fully quantum Gel'fand-Pinsker channel. The best known achievability rate for this channel model in the classical case was proven by Goldfeld, Cuff and Permuter in [Goldfeld,…

Quantum Physics · Physics 2021-05-26 Anurag Anshu , Masahito Hayashi , Naqueeb Ahmad Warsi

Based on the idea that there is no side channel in the vacuum state, the side-channel-free quantum key distribution (SCFQKD) protocol was proposed, which is immune to all attacks in the source side-channel space and all attacks in the…

Quantum Physics · Physics 2022-05-20 Cong Jiang , Zong-Wen Yu , Xiao-Long Hu , Xiang-Bin Wang

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

Molecular communication in nanonetworks is an emerging communication paradigm that uses molecules as information carriers. Achieving a secure information exchange is one of the practical challenges that need to be considered to address the…

Information Theory · Computer Science 2017-09-15 S. M. Riazul Islam , Farman Ali , Hyeonjoon Moon , Kyung-Sup Kwak

Physical-layer key generation (PKG) establishes cryptographic keys from highly correlated measurements of wireless channels, which relies on reciprocal channel characteristics between uplink and downlink, is a promising wireless security…

Cryptography and Security · Computer Science 2021-09-01 Xinwei Zhang , Guyue Li , Junqing Zhang , Aiqun Hu , Zongyue Hou , Bin Xiao

In this paper, inner and outer bounds on the capacity region of two-user interference channels with two confidential messages have been proposed. By adding secure multiplex coding to the error correction method in [15] which achieves the…

Information Theory · Computer Science 2015-03-19 Xiaolin Li , Ryutaroh Matsumoto

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

Direct-sequence spread spectrum (DSSS) has been recognized as an effective jamming resilient technique. However, the effectiveness of DSSS relies on the use of either pre-shared unique secret keys or a bank of public codes, which can be…

Information Theory · Computer Science 2018-03-21 Jay Prakash , Chenxi Liu , Jemin Lee , Tony Q. S. Quek

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

It is well-known that wireless channel reciprocity together with fading can be exploited to generate a common secret key between two legitimate communication partners. This can be achieved by exchanging known deterministic pilot signals…

Information Theory · Computer Science 2017-05-04 Rick Fritschek , Gerhard Wunder

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

As wireless ad hoc and mobile networks are emerging and the transferred data become more sensitive, information security measures should make use of all the available contextual resources to secure information flows. The physical layer…

Cryptography and Security · Computer Science 2018-01-16 Iulia Tunaru , Benoît Denis , Régis Perrier , Bernard Uguen