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Low complexity decoding algorithms are necessary to meet data rate requirements in excess of 1 Tbps. In this paper, we study one and two bit message passing algorithms for belief propagation decoding of low-density parity-check (LDPC) codes…

Information Theory · Computer Science 2019-10-21 Fabian Steiner , Emna Ben Yacoub , Balazs Matuz , Gianluigi Liva , Alexandre Graell i Amat

It has recently been shown that, contrarily to a common belief, money transfer in the presence of faulty (Byzantine) processes does not require strong agreement such as consensus. This article goes one step further: namely, it first…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-02-18 Alex Auvolat , Davide Frey , Michel Raynal , François Taïani

This study proposes a novel approach to ensure the security of textual data transmission in a semantic communication system. In the proposed system, a sender transmits textual information to a receiver, while a potential eavesdropper…

Cryptography and Security · Computer Science 2025-11-18 Qin Guo , Haonan Tong , Sihua Wang , Peiyuan Si , Jun Zhao , Changchuan Yin

Text style transfer task requires the model to transfer a sentence of one style to another style while retaining its original content meaning, which is a challenging problem that has long suffered from the shortage of parallel data. In this…

Computation and Language · Computer Science 2019-09-26 Mingyue Shang , Piji Li , Zhenxin Fu , Lidong Bing , Dongyan Zhao , Shuming Shi , Rui Yan

In the paper we consider a graph model of message passing processes and present a method verification of message passing processes. The method is illustrated by an example of a verification of sliding window protocol.

Logic in Computer Science · Computer Science 2017-06-02 Andrew M. Mironov

Oblivious linear evaluation is a generalization of oblivious transfer, whereby two distrustful parties obliviously compute a linear function, f (x) = ax + b, i.e., each one provides their inputs that remain unknown to the other, in order to…

Quantum Physics · Physics 2024-10-23 Manuel B. Santos , Paulo Mateus , Chrysoula Vlachou

Reverse engineering of unknown network protocols based on recorded traffic traces enables security analyses and debugging of undocumented network services. In particular for binary protocols, existing approaches (1) lack comprehensive…

Cryptography and Security · Computer Science 2023-01-11 Stephan Kleber , Milan Stute , Matthias Hollick , Frank Kargl

In a recent paper [A. Cabello, Phys. Rev. A 61, 052312 (2000)], a quantum key distribution protocol based on entanglement swapping was proposed. However, in this comment, it is shown that this protocol is insecure if Eve use a special…

Quantum Physics · Physics 2009-11-06 Yong-Sheng Zhang , Chuan-Feng Li , Guang-Can Guo

This letter considers two groups of source nodes. Each group transmits packets to its own designated destination node over single-hop links and via a cluster of relay nodes shared by both groups. In an effort to boost reliability without…

Information Theory · Computer Science 2022-03-08 Amjad Saeed Khan , Ioannis Chatzigeorgiou

We study distributed broadcasting protocols with few transmissions (`shots') in radio networks where the topology is unknown. In particular, we examine the case in which a bound $k$ is given and a node may transmit at most $k$ times during…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-03-29 Sushanta Karmakar , Paraschos Koutris , Aris Pagourtzis , Dimitris Sakavalas

A novel fast recursive coding technique is proposed. It operates with only integer values not longer 8 bits and is multiplication free. Recursion the algorithm is based on indirectly provides rather effective coding of symbols for very…

Information Theory · Computer Science 2007-08-22 Nikolay Ponomarenko , Vladimir Lukin , Karen Egiazarian , Jaakko Astola , Boris Y Ryabko

We present a protocol in the shuffle model of differential privacy (DP) for the \textit{frequency estimation} problem that achieves error $\omega(1)\cdot O(\log n)$, almost matching the central-DP accuracy, with $1+o(1)$ messages per user.…

Cryptography and Security · Computer Science 2022-11-23 Qiyao Luo , Yilei Wang , Ke Yi

The Bitcoin P2P network currently represents a reference benchmark for modern cryptocurrencies. Its underlying protocol defines how transactions and blocks are distributed through all participating nodes. To protect user privacy, the…

Cryptography and Security · Computer Science 2021-09-02 Federico Franzoni , Vanesa Daza

Consider a time slotted communication channel shared by $K$ active users and a single receiver. It is assumed that the receiver has the ability of the multiple-packet reception (MPR) to correctly receive at most $\gamma$ ($1 \leq \gamma <…

Information Theory · Computer Science 2014-09-29 Yijin Zhang , Yuan-Hsun Lo , Feng Shu , Wing Shing Wong

We demonstrate the feasibility of end-to-end communication in highly unreliable networks. Modeling a network as a graph with vertices representing nodes and edges representing the links between them, we consider two forms of unreliability:…

Networking and Internet Architecture · Computer Science 2013-10-29 Paul Bunn , Rafail Ostrovsky

``Transition frequencies'' of a system containing an arbitrary number of bubbles levitated in a liquid are discussed. Using a linear coupled-oscillator model, it is shown theoretically that when the system contains $N$ bubbles of different…

Fluid Dynamics · Physics 2007-05-23 Masato Ida

We propose a new concept of secure list decoding. While the conventional list decoding requires that the list contains the transmitted message, secure list decoding requires the following additional security conditions. The first additional…

Information Theory · Computer Science 2020-06-23 Masahito Hayashi

We propose an efficient protocol for secure comparison of integers when both integers are shared between two parties. Such protocols are useful for implementing secure auctions. The proposed protocol's computational complexity is roughly…

Cryptography and Security · Computer Science 2012-04-16 Rajendra S. Katti , Cristinel Ababei

We present a protocol for collaborative error-immune information through atmospheric turbulence. The protocol allows transferring of information in a network of three participants.

Quantum Physics · Physics 2023-06-23 Rajni Bala , Sooryansh Asthana , V. Ravishankar

We introduce AOT, an anonymous communication system based on mix network architecture that uses oblivious transfer (OT) to deliver messages. Using OT to deliver messages helps AOT resist blending ($n-1$) attacks and helps AOT preserve…

Cryptography and Security · Computer Science 2021-05-25 Farid Javani , Alan T. Sherman