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In a one-way secret key agreement (OW-SKA) protocol in source model, Alice and Bob have private samples of two correlated variables X and Y that are partially leaked to Eve through Z, and use a single message from Alice to Bob to obtain a…

Cryptography and Security · Computer Science 2023-02-28 Somnath Panja , Shaoquan Jiang , Reihaneh Safavi-Naini

In-host shared memory (IVSHMEM) enables high-throughput, zero-copy communication between virtual machines, but today's implementations lack any security control, allowing any application to eavesdrop or tamper with the IVSHMEM region. This…

Cryptography and Security · Computer Science 2025-09-29 Hyunwoo Kim , Jaeseong Lee , Sunpyo Hong , Changmin Han

This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

Information Theory · Computer Science 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

Reliable broadcast (RBC) is a key primitive in fault-tolerant distributed systems, and improving its efficiency can benefit a wide range of applications. This work focuses on signature-free RBC protocols, which are particularly attractive…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-26 Nibesh Shrestha , Qianyu Yu , Aniket Kate , Giuliano Losa , Kartik Nayak , Xuechao Wang

The emerging need for mobile ad hoc networks and secured data transmission phase is of crucial importance depending upon the environments like military. In this paper, a new way to improve the reliability of message transmission is…

Networking and Internet Architecture · Computer Science 2011-04-26 V. Anitha , Dr. J. Akilandeswari

This paper considers a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. In particular, we focus on secure communication in the presence of passive eavesdroppers and…

Information Theory · Computer Science 2016-11-15 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Federated learning systems that jointly preserve Byzantine robustness and privacy have remained an open problem. Robust aggregation, the standard defense for Byzantine attacks, generally requires server access to individual updates or…

Cryptography and Security · Computer Science 2021-10-07 Raj Kiriti Velicheti , Derek Xia , Oluwasanmi Koyejo

This work, for the first time, considers confidential data collection in the context of unmanned aerial vehicle (UAV) wireless networks, where the scheduled ground sensor node (SN) intends to transmit confidential information to the UAV…

Signal Processing · Electrical Eng. & Systems 2020-01-06 Xiaobo Zhou , Shihao Yan , Min Li , Jun Li , Feng Shu

Quantum secret sharing (QSS) is a typical multipartite cryptographic primitive, which is an important part of quantum communication network. Existing QSS protocols generally require basis selection and matching, which would increase the…

Quantum Physics · Physics 2025-03-27 Cheng Zhang , Fu-Le Hao , Shi-Pu Gu , Xing-Fu Wang , Lan Zhou , Yu-Bo Sheng

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…

Internet of Things devices are expanding rapidly and generating huge amount of data. There is an increasing need to explore data collected from these devices. Collaborative learning provides a strategic solution for the Internet of Things…

Cryptography and Security · Computer Science 2022-07-21 Guanhong Miao

Reversible data hiding (RDH) has been extensively studied in the field of information security. In our previous work [1], an explicit implementation approaching the rate-distortion bound of RDH has been proposed. However, there are two…

Information Theory · Computer Science 2023-07-18 Na Wang , Chuan Qin , Sian-Jheng Lin

Vehicular ad-hoc networks (VANETs) have been proposed to automate transportation industry in order to increase its accuracy, efficiency, throughput, and specially safety. Security plays an Undeniable important role on implementing VANETs in…

Networking and Internet Architecture · Computer Science 2018-10-16 Vahid Ranjbar , Ali Mohammad Afshin Hemmatyar

The goal of this article is to extend the ideas concerning Bracha-Toueg asynchronous Byzantine Fault Tolerant consensus algorithm and Baird's Hashgraph consensus. We propose a family of atomic broadcast algorithms, which Hashgraph consensus…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-13 Trafim Lasy

To design algorithms that reduce communication cost or meet rate constraints and are robust to communication noise, we study convex distributed optimization problems where a set of agents are interested in solving a separable optimization…

Optimization and Control · Mathematics 2023-05-02 Hadi Reisizadeh , Anand Gokhale , Behrouz Touri , Soheil Mohajer

In the paper we propose general framework for Automatic Secret Generation and Sharing (ASGS) that should be independent of underlying secret sharing scheme. ASGS allows to prevent the dealer from knowing the secret or even to eliminate him…

Combinatorics · Mathematics 2007-07-16 Kamil Kulesza , Zbigniew Kotulski

We consider the problem of securely and robustly embedding covert messages into an image-based diffusion model's output. The sender and receiver want to exchange the maximum amount of information possible per diffusion sampled image while…

Cryptography and Security · Computer Science 2025-12-22 Luke A. Bauer , Wenxuan Bao , Vincent Bindschaedler

We consider the scenario wherein Alice wants to (potentially) communicate to the intended receiver Bob over a network consisting of multiple parallel links in the presence of a passive eavesdropper Willie, who observes an unknown subset of…

Information Theory · Computer Science 2014-01-30 Swanand Kadhe , Sidharth Jaggi , Mayank Bakshi , Alex Sprintson

This paper proposes Concurrent-Access Obfuscated Store (CAOS), a construction for remote data storage that provides access-pattern obfuscation in a honest-but-curious adversarial model, while allowing for low bandwidth overhead and client…

Cryptography and Security · Computer Science 2019-06-04 Mihai Ordean , Mark Ryan , David Galindo

Threshold secret sharing schemes do not prevent any malicious behavior of the dealer or shareholders and so we need verifiable secret sharing, to detect and identify the cheaters, to achieve fair reconstruction of a secret. The problem of…

Cryptography and Security · Computer Science 2012-03-19 Keyur Parmar , Devesh Jinwala