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Certainty and uncertainty are fundamental to science communication. Hedges have widely been used as proxies for uncertainty. However, certainty is a complex construct, with authors expressing not only the degree but the type and aspects of…

Computation and Language · Computer Science 2021-10-12 Jiaxin Pei , David Jurgens

Covert communication aims to shield the very existence of wireless transmissions in order to guarantee a strong security in wireless networks. In this work, for the first time we examine the possibility and achievable performance of covert…

Information Theory · Computer Science 2017-04-18 Jinsong Hu , Shihao Yan , Xiangyun Zhou , Feng Shu , Jiangzhou Wang

Covert communication offers a method to transmit messages in such a way that it is not possible to detect that the communication is happening at all. In this work, we report an experimental demonstration of covert communication that is…

Resilience and power consumption are two important performance metrics for many modern communication systems, and it is therefore important to define, analyze, and optimize them. In this work, we consider a wireless communication system…

Information Theory · Computer Science 2025-11-17 Karl-Ludwig Besser , Rafael F. Schaefer , H. Vincent Poor

Information leakage rate is an intuitive metric that reflects the level of security in a wireless communication system, however, there are few studies taking it into consideration. Existing work on information leakage rate has two major…

Cryptography and Security · Computer Science 2018-07-23 Yong Huang , Wei Wang , Biao He , Liang Sun , Tao Jiang

Semantic communication is a new paradigm for information transmission that integrates the essential meaning (semantics) of the message into the communication process. However, like in classic wireless communications, the open nature of…

Information Theory · Computer Science 2024-10-22 Denis Kozlov , Mahtab Mirmohseni , Rahim Tafazolli

Wireless information and power transfer (WIPT) enables more sustainable and resilient communications owing to the fact that it avoids frequent battery charging and replacement. However, it also suffers from possible information interception…

Information Theory · Computer Science 2016-11-18 Xiaoming Chen , Derrick Wing Kwan Ng , Hsiao-Hwa Chen

Information leakage in Wyner's wiretap channel model is usually defined as the mutual information between the secret message and the eavesdropper's received signal. We define a new quantity called "conditional information leakage given the…

Information Theory · Computer Science 2019-01-28 Yutaka Jitsumatsu , Ukyo Michiwaki , Yasutada Oohama

Motivated in part by the problem of secure multicast distributed storage, we analyze secrecy rates for a channel in which two transmitters simultaneously multicast to two receivers in the presence of an eavesdropper. Achievable rates are…

Information Theory · Computer Science 2020-08-04 Hassan ZivariFard , Matthieu Bloch , Aria Nosratinia

Recent research developments show that the concept of bidirectional relaying significantly improves the performance in wireless networks. This applies to three-node networks, where a half-duplex relay node establishes a bidirectional…

Information Theory · Computer Science 2011-04-19 Rafael F. Wyrembelski , Holger Boche

This paper examines the properties of the lower and upper bounds established by Maurer, Ahlswede and Csiszar (MAC) for secret-key capacity in the case of channel probing over single-input and single-output (SISO) channels. Inspired by the…

Information Theory · Computer Science 2023-09-27 Yingbo Hua

Attestation means providing evidence that a remote target system is worthy of trust for some sensitive interaction. Although attestation is already used in network access control, security management, and trusted execution environments, it…

Cryptography and Security · Computer Science 2026-03-09 Will Thomas , Logan Schmalz , Adam Petz , Perry Alexander , Joshua D. Guttman , Paul D. Rowe , James Carter

Reliability prediction is crucial for ensuring the safety and security of software systems, especially in the context of industry practices. While various metrics and measurements are employed to assess software reliability, the complexity…

Software Engineering · Computer Science 2025-07-29 Dapeng Yan , Wenjie Yang , Kui Liu , Zhiming Liu , Zhikuang Cai

We introduce a new measure on secrecy, which is established based on rate-distortion theory. It is named \emph{security rate}, which is the minimum (infimum) of the additional rate needed to reconstruct the source within target distortion…

Information Theory · Computer Science 2015-04-21 Lei Yu , Houqiang Li , Weiping Li

This paper studies the problem of secure communication over broadcast channels under the individual secrecy constraints. That is, the transmitter wants to send two independent messages to two legitimate receivers in the presence of an…

Information Theory · Computer Science 2015-12-01 Yanling Chen , O. Ozan Koyluoglu , Aydin Sezgin

Wireless communication is susceptible to adversarial eavesdropping due to the broadcast nature of the wireless medium. In this paper it is shown how eavesdropping can be alleviated by exploiting the superposition property of the wireless…

Information Theory · Computer Science 2016-11-17 Xiaojun Tang , Ruoheng Liu , Predrag Spasojevic , H. Vincent Poor

We present numerical simulations measuring secrecy and efficiency rate of Perfect Secrecy protocol presented in former article named Perfect Secrecy under Deep Random assumption. Those simulations specifically measure the respective error…

Cryptography and Security · Computer Science 2018-10-02 Thibault de Valroger

Data security is required when communications over untrusted networks takes place. Security tools such as cryptography and steganography are applied to achieve such objectives, but both have limitations and susceptible to attacks if they…

Cryptography and Security · Computer Science 2019-03-01 Sherief H. Murad , Amr M. Gody , Tamer M. Barakat

Trusted Execution Environments (TEEs) are designed to protect the privacy and integrity of data in use. They enable secure data processing and sharing in peer-to-peer networks, such as vehicular ad hoc networks of autonomous vehicles,…

Cryptography and Security · Computer Science 2025-07-22 Ceren Kocaoğullar , Gustavo Petri , Dominic P. Mulligan , Derek Miller , Hugo J. M. Vincent , Shale Xiong , Alastair R. Beresford

We demonstrate theoretically and experimentally that secure communication using intermediate-energy (mesoscopic) coherent states is possible. Our scheme is different from previous quantum cryptographic schemes in that a short secret key is…

Quantum Physics · Physics 2009-11-07 Geraldo A. Barbosa , Eric Corndorf , Prem Kumar , Horace P. Yuen