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Decoding algorithms are essential to fault-tolerant quantum-computing architectures. In this perspective we explore decoding algorithms for the surface code; a prototypical quantum low-density parity-check code that underlies many of the…

量子物理 · 物理学 2024-02-29 Benjamin J. Brown

In practice, LDPC codes are decoded using message passing methods. These methods offer good performance but tend to converge slowly and sometimes fail to converge and to decode the desired codewords correctly. Recently, tree-reweighted…

信息论 · 计算机科学 2014-03-05 J. Li , R. C. de Lamare , H. Wymeersch

The LPN (Learning Parity with Noise) problem has recently proved to be of great importance in cryptology. A special and very useful case is the RING-LPN problem, which typically provides improved efficiency in the constructed cryptographic…

密码学与安全 · 计算机科学 2014-09-02 Qian Guo , Thomas Johansson , Carl Löndahl

Recursive decoding techniques are considered for Reed-Muller (RM) codes of growing length $n$ and fixed order $r.$ An algorithm is designed that has complexity of order $n\log n$ and corrects most error patterns of weight up to…

信息论 · 计算机科学 2017-03-17 Ilya Dumer

We solve an open question in code-based cryptography by introducing two provably secure group signature schemes from code-based assumptions. Our basic scheme satisfies the CPA-anonymity and traceability requirements in the random oracle…

密码学与安全 · 计算机科学 2020-02-19 Martianus Frederic Ezerman , Hyung Tae Lee , San Ling , Khoa Nguyen , Huaxiong Wang

In this paper, we present an analytical analysis of the convergence of raptor codes under joint decoding over the binary input additive white noise channel (BIAWGNC), and derive an optimization method. We use Information Content evolution…

信息论 · 计算机科学 2007-07-13 Auguste Venkiah , Charly Poulliat , David Declercq

Two variations of the McEliece cryptosystem are presented. The first one is based on a relaxation of the column permutation in the classical McEliece scrambling process. This is done in such a way that the Hamming weight of the error, added…

A Viterbi-like decoding algorithm is proposed in this paper for generalized convolutional network error correction coding. Different from classical Viterbi algorithm, our decoding algorithm is based on minimum error weight rather than the…

信息论 · 计算机科学 2019-02-12 Hengjie Yang , Wangmei Guo

Propose a new cryptographic information concept. It allows : - to create absolutely algorithmic unbreakable ciphers for communication through open digital channels; - to create new code-breaking methods. They will be the most efficient…

信息论 · 计算机科学 2010-02-25 Vadim Nedzvetski

Polar codes are novel and efficient error correcting codes with low encoding and decoding complexities. These codes have a channel dependent generator matrix which is determined by the code dimension, code length and transmission channel…

密码学与安全 · 计算机科学 2017-12-22 Reza Hooshmand , Masoumeh Koochak Shooshtari , Mohammad Reza Aref

We consider the problem of optimally decoding a quantum error correction code -- that is to find the optimal recovery procedure given the outcomes of partial "check" measurements on the system. In general, this problem is NP-hard. However,…

量子物理 · 物理学 2009-11-13 David Poulin

Logic Encryption is one of the most popular hardware security techniques which can prevent IP piracy and illegal IC overproduction. It introduces obfuscation by inserting some extra hardware into a design to hide its functionality from…

密码学与安全 · 计算机科学 2018-01-17 Rajit Karmakar , Santanu Chatopadhyay , Rohit Kapur

In order to protect intellectual property against untrusted foundry, many logic-locking schemes have been developed. The main idea of logic locking is to insert a key-controlled block into a circuit to make the circuit function incorrectly…

硬件体系结构 · 计算机科学 2022-11-04 Jingbo Zhou , Xinmiao Zhang

Large alphabet source coding is a basic and well-studied problem in data compression. It has many applications such as compression of natural language text, speech and images. The classic perception of most commonly used methods is that a…

信息论 · 计算机科学 2016-07-26 Amichai Painsky , Saharon Rosset , Meir Feder

Transversal logical gates offer the opportunity for fast and low-noise logic, particularly when interspersed by a single round of parity check measurements of the underlying code. Using such circuits for the surface code requires decoding…

量子物理 · 物理学 2026-02-23 Marc Serra-Peralta , Mackenzie H. Shaw , Barbara M. Terhal

We propose a novel Iterative Predictor-Critic Code Decoding framework for real-world image dehazing, abbreviated as IPC-Dehaze, which leverages the high-quality codebook prior encapsulated in a pre-trained VQGAN. Apart from previous…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Jiayi Fu , Siyu Liu , Zikun Liu , Chun-Le Guo , Hyunhee Park , Ruiqi Wu , Guoqing Wang , Chongyi Li

Post-Quantum cryptography is about to substitute current cryptographic schemes as being resilient in attacks from quantum computers. McEleiece and Bit Flip Key Encapsulation (BIKE) are two delight representatives based on coding theory…

密码学与安全 · 计算机科学 2026-05-19 Konstantinos Spalas

In this paper we address the problem of decoding linearized Reed-Solomon (LRS) codes beyond their unique decoding radius. We analyze the complexity in order to evaluate if the considered problem is of cryptographic relevance, i.e., can be…

信息论 · 计算机科学 2023-06-08 Thomas Jerkovits , Hannes Bartz , Antonia Wachter-Zeh

The McEliece scheme is a generic frame which allows to use any error correcting code of which there exists an efficient decoding algorithm to design an encryption scheme by hiding the generator matrix code. Similarly, the Niederreiter frame…

密码学与安全 · 计算机科学 2024-10-18 Nicolas Aragon , Alain Couvreur , Victor Dyseryn , Philippe Gaborit , Adrien Vinçotte

Recently, a few chosen-ciphertext secure (CCA2-secure) variants of the McEliece public-key encryption (PKE) scheme in the standard model were introduced. All the proposed schemes are based on encryption repetition paradigm and use general…

密码学与安全 · 计算机科学 2013-09-10 Roohallah Rastaghi