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Data hiding is essential for secure communication across digital media, and recent advances in Deep Neural Networks (DNNs) provide enhanced methods for embedding secret information effectively. However, previous audio hiding methods often…

Sound · Computer Science 2025-10-06 Wei Fan , Kejiang Chen , Xiangkun Wang , Weiming Zhang , Nenghai Yu

This paper studies the problem of multi-agent computation under the differential privacy requirement of the agents' local datasets against eavesdroppers having node-to-node communications. We first propose for the network equipped with…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-06 Lei Wang , Yang Liu , Ian Manchester , Guodong Shi

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…

The absence of a fully decentralized, verifiable, and privacy-preserving communication protocol for autonomous agents remains a core challenge in decentralized computing. Existing systems often rely on centralized intermediaries, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-18 Yuanjie Liu , Wenpeng Xing , Ye Zhou , Gaowei Chang , Changting Lin , Meng Han

Steganography is the science of hiding a secret message within an ordinary public message, which is referred to as Carrier. Traditionally, digital signal processing techniques, such as least significant bit encoding, were used for hiding…

Sound · Computer Science 2020-07-28 Felix Kreuk , Yossi Adi , Bhiksha Raj , Rita Singh , Joseph Keshet

Covert communication allows us to transmit messages in such a way that it is not possible to detect that the communication is occurring. This provides protection in situations where knowledge that people are talking to each other may be…

Quantum Physics · Physics 2018-02-28 Juan Miguel Arrazola , Ryan Amiri

The domain name system (DNS) that maps alphabetic names to numeric Internet Protocol (IP) addresses plays a foundational role for Internet communications. By default, DNS queries and responses are exchanged in unencrypted plaintext, and…

Cryptography and Security · Computer Science 2024-07-08 Minzhao Lyu , Hassan Habibi Gharakheili , Vijay Sivaraman

While semantic communication (SemCom) improves transmission efficiency by focusing on task-relevant information, it also raises critical privacy concerns. Many existing secure SemCom approaches rely on restrictive or impractical…

Cryptography and Security · Computer Science 2026-04-24 Weixuan Chen , Qianqian Yang , Shuo Shao , Shunpu Tang , Zhiguo Shi , Shui Yu

Wireless communication is susceptible to eavesdropping attacks because of its broadcast nature. This paper illustrates how interference can be used to counter eavesdropping and assist secrecy. In particular, a wire-tap channel with a…

Information Theory · Computer Science 2016-11-18 Xiaojun Tang , Ruoheng Liu , Predrag Spasojevic , H. Vincent Poor

This paper investigates a multiple-input multipleoutput (MIMO) visible light communication (VLC) wiretap channel consisting of a transmitter, a legitimate receiver, and an eavesdropper. The optical input is subject to both peakand…

Information Theory · Computer Science 2026-02-16 Sufang Yang , Longguang Li , Jintao Wang , Ya Li , Liang Xia , Hongjun He , Qixing Wang , Guangyi Liu

In [3], the authors proposed a highly efficient secure and privacy-preserving scheme for secure vehicular communications. The proposed scheme consists of four protocols: system setup, protocol for STP and STK distribution, protocol for…

Cryptography and Security · Computer Science 2015-08-10 Lei Zhang , Chuanyan Hu , Qianhong Wu , Josep Domingo-Ferrer , Bo Qin

Deep learning has advanced from fully connected architectures to structured models organized into components, e.g., the transformer composed of positional elements, modular architectures divided into slots, and graph neural nets made up of…

Machine Learning · Computer Science 2021-07-13 Dianbo Liu , Alex Lamb , Kenji Kawaguchi , Anirudh Goyal , Chen Sun , Michael Curtis Mozer , Yoshua Bengio

Cryptography is the study of methods of sending messages in disguised form so that only the intended recipients can remove the disguise and read the messages. Information security has become a very critical aspect of modern communication…

Cryptography and Security · Computer Science 2012-02-10 D. Sravana Kumar , CH. Suneetha , A. Chandrasekhar

Ad hoc networks are the special networks formed for specific applications. Operating in ad-hoc mode allows all wireless devices within range of each other to discover and communicate in a peer-to-peer fashion without involving central…

Networking and Internet Architecture · Computer Science 2014-05-22 Shikha Jain

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

Metaverse depicts a vista of constructing a virtual environment parallel to the real world so people can communicate with others and objects through digital entities. In the real world, communication relies on identities and addresses that…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-17 Hao Xu , Zihao Li , Zongyao Li , Xiaoshuai Zhang , Yao Sun , Lei Zhang

In an ideal network, every packet would be attributable to its sender, while host identities and transmitted content would remain private. Designing such a network is challenging because source accountability and communication privacy are…

Networking and Internet Architecture · Computer Science 2016-10-04 Taeho Lee , Christos Pappas , David Barrera , Pawel Szalachowski , Adrian Perrig

In anonymous broadcast, one or more parties want to anonymously send messages to all parties. This problem is increasingly important as a black-box in many privacy-preserving applications such as anonymous communication, distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-05-22 Mahnush Movahedi , Jared Saia , Mahdi Zamani

We consider a scenario in which $K$ transmitters attempt to communicate covert messages reliably to a legitimate receiver over a discrete memoryless MAC while simultaneously escaping detection from an adversary who observes their…

Information Theory · Computer Science 2019-06-11 Keerthi Suria Kumar Arumugam , Matthieu R. Bloch

Network covert channels are hidden communication channels in computer networks. They influence several factors of the cybersecurity economy. For instance, by improving the stealthiness of botnet communications, they aid and preserve the…

Cryptography and Security · Computer Science 2021-03-02 Wojciech Mazurczyk , Steffen Wendzel , Mehdi Chourib , Jörg Keller