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In this paper, we study the graphical structure of elementary trapping sets (ETS) of variable-regular low-density parity-check (LDPC) codes. ETSs are known to be the main cause of error floor in LDPC coding schemes. For the set of LDPC…

Information Theory · Computer Science 2013-08-07 Mehdi Karimi , Amir H. Banihashemi

In the search for highly efficient decoders for short LDPC codes approaching maximum likelihood performance, a relayed decoding strategy, specifically activating the ordered statistics decoding process upon failure of a neural min-sum…

Information Theory · Computer Science 2024-03-26 Guangwen Li , Xiao Yu

Recently, permissioned blockchain has been extensively explored in various fields, such as asset management, supply chain, healthcare, and many others. Many scholars are dedicated to improving its verifiability, scalability, and performance…

Cryptography and Security · Computer Science 2023-12-14 Dong-Yang Yu , Jin Wang , Lingzhi Li , Wei Jiang , Can Liu

From currency to cloud storage systems, the continuous rise of the blockchain technology is moving various information systems towards decentralization. Blockchain-based decentralized storage networks (DSNs) offer significantly higher…

Information Theory · Computer Science 2020-05-19 Siyi Yang , Ahmed Hareedy , Robert Calderbank , Lara Dolecek

Lattice based encryption schemes and linear code based encryption schemes have received extensive attention in recent years since they have been considered as post-quantum candidate encryption schemes. Though LLL reduction algorithm has…

Cryptography and Security · Computer Science 2015-12-29 Yongge Wang

As one of the largest and most complex systems on earth, power grid (PG) operation and control have stepped forward as a compound analysis on both physical and cyber layers which makes it vulnerable to assaults from economic and security…

Systems and Control · Electrical Eng. & Systems 2022-05-31 Wangkun Xu , Fei Teng

This paper introduces a novel non-parametric change detection algorithm to identify eclipse attacks on a blockchain network; the non-parametric algorithm relies only on the empirical mean and variance of the dataset, making it highly…

Cryptography and Security · Computer Science 2024-05-31 Anurag Gupta , Vikram Krishnamurthy , Brian M. Sadler

This paper outlines a cyber-physical authentication strategy to protect power system infrastructure against false data injection (FDI) attacks. We demonstrate that it is feasible to use small, low-cost, yet highly attack-resistant security…

Systems and Control · Electrical Eng. & Systems 2020-11-02 Martin Higgins , Keith Mayes , Fei Teng

In large-scale distributed environments, avoiding concurrent access to the same resource by multiple processes becomes a core challenge, commonly termed distributed mutual exclusion (DME). Token-based mechanisms have long been recognized as…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-10 Elahe Tohidi , Seyed Sattar Lotfi Fatemi

With the development of blockchain technologies, the number of smart contracts deployed on blockchain platforms is growing exponentially, which makes it difficult for users to find desired services by manual screening. The automatic…

Information Retrieval · Computer Science 2021-06-30 Chaochen Shi , Yong Xiang , Robin Ram Mohan Doss , Jiangshan Yu , Keshav Sood , Longxiang Gao

Families of "asymptotically regular" LDPC block code ensembles can be formed by terminating (J,K)-regular protograph-based LDPC convolutional codes. By varying the termination length, we obtain a large selection of LDPC block code ensembles…

Information Theory · Computer Science 2015-03-17 Michael Lentmaier , David G. M. Mitchell , Gerhard P. Fettweis , Daniel J. Costello,

Data randomization or scrambling has been effectively used in various applications to improve the data security. In this paper, we use the idea of data randomization to proactively randomize the spectrum (re)allocation to improve…

Networking and Internet Architecture · Computer Science 2016-04-19 Sandeep Kumar Singh , Wolfgang Bziuk , Admela Jukan

This paper investigates the design of spatially coupled low-density parity-check (SC-LDPC) codes constructed from connected-chain ensembles for bit-interleaved coded modulation (BICM) schemes. For short coupling lengths, connecting multiple…

Information Theory · Computer Science 2021-07-08 Yihuan Liao , Min Qiu , Jinhong Yuan

Existing permissioned blockchain systems designate a fixed and explicit group of committee nodes to run a consensus protocol that confirms the same sequence of blocks among all nodes. Unfortunately, when such a permissioned blockchain runs…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-12-16 Xusheng Chen , Shixiong Zhao , Ji Qi , Jianyu Jiang , Haoze Song , Cheng Wang , Tsz On Li , T. -H. Hubert Chan , Fengwei Zhang , Xiapu Luo , Sen Wang , Gong Zhang , Heming Cui

Content Warning: This paper may contain unsafe or harmful content generated by LLMs that may be offensive to readers. Large Language Models (LLMs) increasingly serve as tooling platforms through structured output APIs, but the…

Cryptography and Security · Computer Science 2026-05-22 Shuoming Zhang , Jiacheng Zhao , Hanyuan Dong , Ruiyuan Xu , Zhicheng Li , Yangyu Zhang , Shuaijiang Li , Yuan Wen , Chunwei Xia , Zheng Wang , Xiaobing Feng , Huimin Cui

Secure by Design has become the mainstream development approach ensuring that software systems are not vulnerable to cyberattacks. Architectural security controls need to be carefully monitored over the software development life cycle to…

Software Engineering · Computer Science 2023-07-13 Ahmet Okutan , Ali Shokri , Viktoria Koscinski , Mohamad Fazelinia , Mehdi Mirakhorli

Merkle structures are widely used as commitment schemes: they allow a prover to publish a compact commitment to an ordered list $X$ of items, and then efficiently prove to a verifier that $x_i\in X$ is the $i$-th item in it. We compare…

Data Structures and Algorithms · Computer Science 2025-11-18 Alfonso Cevallos , Robert Hambrock , Alistair Stewart

In this paper, we propose an efficient decoding algorithm for short low-density parity check (LDPC) codes by carefully combining the belief propagation (BP) decoding and order statistic decoding (OSD) algorithms. Specifically, a modified BP…

Information Theory · Computer Science 2023-09-06 Weiyang Zhang , Chentao Yue , Yonghui Li , Branka Vucetic

This paper presents CERMET, an energy-efficient hardware architecture designed for hardware-constrained cryptosystems. CERMET employs a base cryptosystem in conjunction with network coding to provide both information-theoretic and…

Cryptography and Security · Computer Science 2023-08-10 Jongchan Woo , Vipindev Adat Vasudevan , Benjamin Kim , Alejandro Cohen , Rafael G. L. D'Oliveira , Thomas Stahlbuhk , Muriel Médard

The distributed data storage systems are constructed by large number of nodes which are interconnected over a network. Each node in such peer-to-peer network is vulnerable and at a potential risk for attack. The attackers can eavesdrop the…

Information Theory · Computer Science 2016-02-08 Ninoslav Marina , Aneta Velkoska , Natasa Paunkoska