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We present a new model for LT codes which simplifies the analysis of the error probability of decoding by belief propagation. For any given degree distribution, we provide the first rigorous expression for the limiting error probability as…

信息论 · 计算机科学 2007-07-13 Elitza N. Maneva , Amin Shokrollahi

In this paper we consider a Metzner-Kapturowski-like decoding algorithm for high-order interleaved sum-rank-metric codes, offering a novel perspective on the decoding process through the concept of an error code. The error code, defined as…

信息论 · 计算机科学 2024-09-30 Thomas Jerkovits , Felicitas Hörmann , Hannes Bartz

Cryptography is the science of encrypting the information so that it is rendered unreadable for an intruder. Cryptographic techniques are of utmost importance in today's world as the information to be sent might be of invaluable importance…

密码学与安全 · 计算机科学 2015-06-19 Arjun Puri , Sudesh Kumar

We propose a novel approach to improving software security called Cryptographic Path Hardening, which is aimed at hiding security vulnerabilities in software from attackers through the use of provably secure and obfuscated cryptographic…

软件工程 · 计算机科学 2012-02-03 Vijay Ganesh , Michael Carbin , Martin Rinard

We study coding schemes for error correction in interactive communications. Such interactive coding schemes simulate any $n$-round interactive protocol using $N$ rounds over an adversarial channel that corrupts up to $\rho N$ transmissions.…

数据结构与算法 · 计算机科学 2014-04-17 Mohsen Ghaffari , Bernhard Haeupler

Quantum reading provides a general framework where to formulate the statistical discrimination of quantum channels. Several paths have been taken for such a problem. However, there is much to be done in the avenue of optimizing channel…

信息论 · 计算机科学 2022-06-22 Francisco Revson F. Pereira , Stefano Mancini

We give an introduction to the theory of quantum error correction using stabilizer codes that is geared towards the working computer scientists and mathematicians with an interest in exploring this area. To this end, we begin with an…

量子物理 · 物理学 2026-02-03 Zachary P. Bradshaw , Jeffrey J. Dale , Ethan N. Evans

We revisit the 3-pass code-based identification scheme proposed by Stern at Crypto'93, and give a new 5-pass protocol for which the probability of the cheater is 1/2 (instead of 2/3 in the original Stern's proposal). Furthermore, we propose…

密码学与安全 · 计算机科学 2010-01-19 Pierre-Louis Cayrel , Pascal Veron

This paper discusses the application of known techniques, knowledge and technology in a novel way for encryption. Two distinct and separate methods are presented. Method 1: Alter the symbol set of the language by adding additional redundant…

密码学与安全 · 计算机科学 2012-07-05 Givon Zirkind

The importance of quantum error correction in paving the way to build a practical quantum computer is no longer in doubt. This dissertation makes a threefold contribution to the mathematical theory of quantum error-correcting codes.…

量子物理 · 物理学 2008-10-16 Pradeep Kiran Sarvepalli

Quasi-twisted (QT) codes generalize several important families of linear codes, including cyclic, constacyclic, and quasi-cyclic codes. Despite their potential, to the best of our knowledge, there exists no efficient decoding algorithm for…

密码学与安全 · 计算机科学 2025-07-03 Bhagyalekshmy S , Rutuja Kshirsagar

According to a recent survey with more than 4000 software developers, less than half of developers can spot security holes. As a result, software products present a low-security quality expressed by vulnerabilities that can be exploited by…

软件工程 · 计算机科学 2021-01-07 Tiago Espinha Gasiba , Ulrike Lechner , Maria Pinto-Albuquerque , Alae Zouitni

The improvements on quantum technology are threatening our daily cybersecurity, as a capable quantum computer can break all currently employed asymmetric cryptosystems. In preparation for the quantum-era the National Institute of Standards…

密码学与安全 · 计算机科学 2024-07-18 Violetta Weger , Niklas Gassner , Joachim Rosenthal

This paper introduces Claycode, a novel 2D scannable code designed for extensive stylization and deformation. Unlike traditional matrix-based codes (e.g., QR codes), Claycodes encode their message in a tree structure. During the encoding…

图形学 · 计算机科学 2025-05-14 Marco Maida , Alberto Crescini , Marco Perronet , Elena Camuffo

Quantum codes are subspaces of the state space of a quantum system that are used to protect quantum information. Some common classes of quantum codes are stabilizer (or additive) codes, non-stabilizer (or non-additive) codes obtained from…

量子物理 · 物理学 2012-08-27 Hari Dilip Kumar

We consider the problem of secure and reliable communication over a noisy multipath network. Previous work considering a noiseless version of our problem proposed a hybrid universal network coding cryptosystem (HUNCC). By combining an…

信息论 · 计算机科学 2022-02-08 Alejandro Cohen , Rafael G. L. D'Oliveira , Ken R. Duffy , Muriel Médard

Consider the Gaussian wiretap channel, where a transmitter wishes to send a confidential message to a legitimate receiver in the presence of an eavesdropper. It is well known that if the eavesdropper experiences less channel noise than the…

信息论 · 计算机科学 2026-01-29 Vidhi Rana , Remi A. Chou , Taejoon Kim

This paper considers a method of coding the sensor outputs in order to detect stealthy false data injection attacks. An intelligent attacker can design a sequence of data injection to sensors and actuators that pass the state estimator and…

密码学与安全 · 计算机科学 2016-11-17 Fei Miao , Quanyan Zhu , Miroslav Pajic , George J. Pappas

This study investigates the problem of learning linear block codes optimized for Belief-Propagation decoders significantly improving performance compared to the state-of-the-art. Our previous research is extended with an enhanced system…

信号处理 · 电气工程与系统科学 2025-10-02 Louis-Adrien Dufrène , Quentin Lampin , Guillaume Larue

Encryption study basically deals with three levels of algorithms. The first algorithm deals with encryption mechanism, second deals with decryption Mechanism and the third discusses about the generation of keys and sub keys used in the…

网络与互联网体系结构 · 计算机科学 2010-07-05 Addepalli V. N Krishna , A Vinay Babu