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This paper focuses on securely estimating the state of a nonlinear dynamical system from a set of corrupted measurements. In particular, we consider two broad classes of nonlinear systems, and propose a technique which enables us to perform…

系统与控制 · 计算机科学 2016-03-23 Qie Hu , Dariush Fooladivanda , Young Hwan Chang , Claire J. Tomlin

In this paper we discuss the ability of channel codes to enhance cryptographic secrecy. Toward that end, we present the secrecy metric of degrees of freedom in an attacker's knowledge of the cryptogram, which is similar to equivocation.…

密码学与安全 · 计算机科学 2015-09-24 W. K. Harrison , J. Almeida , S. W. McLaughlin , J. Barros

In this paper, chaotic block image permutation and XOR operation are performed to achieve image encryption. The studied method of encryption makes use of chaotic systems properties for secure and speed image encryption. Firstly, the…

图像与视频处理 · 电气工程与系统科学 2018-09-03 Raneem A. Aboughalia , Osama A. S. Alkishriwo

Chaotic systems play a key role in modern image encryption due to their sensitivity to initial conditions, ergodicity, and complex dynamics. However, many existing chaos-based encryption methods suffer from vulnerabilities, such as…

密码学与安全 · 计算机科学 2025-10-15 Weixuan Li , Guang Yu , Quanjun Li , Junhua Zhou , Jiajun Chen , Yihang Dong , Mengqian Wang , Zimeng Li , Changwei Gong , Lin Tang , Xuhang Chen

Cloud-based and distributed computations are of growing interest in modern control systems. However, these technologies require performing computations on not necessarily trustworthy platforms and, thus, put the confidentiality of sensitive…

密码学与安全 · 计算机科学 2023-04-14 Nils Schlüter , Philipp Binfet , Moritz Schulze Darup

In this letter, as a proof of concept, we propose a deep learning-based approach to attack the chaos-based image encryption algorithm in \cite{guan2005chaos}. The proposed method first projects the chaos-based encrypted images into the…

机器学习 · 计算机科学 2019-07-30 Chen He , Kan Ming , Yongwei Wang , Z. Jane Wang

We establish a lower bound on the asymptotic secret key rate of continuous-variable quantum key distribution with a discrete modulation of coherent states. The bound is valid against collective attacks and is obtained by formulating the…

量子物理 · 物理学 2019-06-27 Shouvik Ghorai , Philippe Grangier , Eleni Diamanti , Anthony Leverrier

Recently, a new scheme was proposed for deniable authentication. Its main originality lied on applying a chaos-based encryption-hash parallel algorithm and the semi-group property of the Chebyshev chaotic map. Although original and…

混沌动力学 · 物理学 2007-05-23 G. Alvarez

Confidentiality and Integrity are two paramount objectives in the evaluation of information and communication technology. In this paper, we propose an arithmetic approach for designing asymmetric key cryptography. Our method is based on the…

密码学与安全 · 计算机科学 2020-05-18 Md. Helal Ahmed , Jagmohan Tanti , Sumant Pushp

A network of chaotic systems can be designed in such a way that the cluster patterns formed by synchronous nodes can be controlled through the coupling parameters. We present a novel approach to exploit such a network for covert…

信息论 · 计算机科学 2023-12-11 Zekeriya Sarı , Serkan Günel

In this paper, an anti-eavesdropping estimation problem is investigated. A linear encryption scheme is utilized, which first linearly transforms innovation via an encryption matrix and then encrypts some components of the transformed…

系统与控制 · 电气工程与系统科学 2024-06-18 Zhongyao Hu , Bo Chen , Pindi Weng , Jianzheng Wang , Li Yu

In 1998, M. S. Baptista proposed a chaotic cryptosystem, which has attracted much attention from the chaotic cryptography community: some of its modifications and also attacks have been reported in recent years. In [Phys. Lett. A 307 (2003)…

密码学与安全 · 计算机科学 2007-05-23 Shujun Li , Guanrong Chen , Kwok-Wo Wong , Xuanqin Mou , Yuanlong Cai

An algorithm is presented which implements a probabilistic attack on the key-exchange protocol based on permutation parity machines. Instead of imitating the synchronization of the communicating partners, the strategy consists of a Monte…

密码学与安全 · 计算机科学 2012-10-26 Luís F. Seoane , Andreas Ruttor

This paper investigates and analyzes the dynamics of the two-dimensional Duffing map. Multistability behavior has been observed from the system numerically. Such behavior, especially the coexistence of chaotic and periodic attractors, is…

斑图形成与孤子 · 物理学 2023-04-11 Hayder Natiq , Animesh Roy , Santo Banerjee , A. P. Misra , N. A. A. Fataf

Neural network inference typically operates on raw input data, increasing the risk of exposure during preprocessing and inference. Moreover, neural architectures lack efficient built-in mechanisms for directly authenticating input data.…

密码学与安全 · 计算机科学 2025-06-04 Peter David Fagan

With the development of smart grid, the operation and control of power system is realized through power communication network, especially the power production and enterprise management business involve a large amount of sensitive…

系统与控制 · 电气工程与系统科学 2023-01-18 Fangfang Zhang , Zhe Huang , Lei Kou , Yang Li , Maoyong Cao , Fengying Ma

In this work, a new 4-D hyperchaotic system for image encryption is proposed and its effectiveness is demonstrated by incorporating it into an existing Elliptic Curve Cryptography (ECC) mapping scheme. The proposed system is considered…

密码学与安全 · 计算机科学 2024-11-27 Yehia Lalili , Toufik Bouden , Morad Grimes , Abderrazek Lachouri

An improved design of a cryptosystem based on small Ree groups is proposed. We have changed the encryption algorithm and propose to use a logarithmic signature for the entire Ree group. This approach improves security against sequential key…

密码学与安全 · 计算机科学 2025-04-28 Gennady Khalimov , Yevgen Kotukh

Cloud storage is a new computing paradigm that allows users to store their data in the cloud and access them anytime anywhere through the Internet. To address the various security issues that may arise in the cloud storage accessed by a…

密码学与安全 · 计算机科学 2019-11-12 Kwangsu Lee

We present CryptoChaos, a novel hybrid cryptographic framework that synergizes deterministic chaos theory with cutting-edge cryptographic primitives to achieve robust, post-quantum resilient encryption. CryptoChaos harnesses the intrinsic…

密码学与安全 · 计算机科学 2025-04-14 Kevin Song , Noorullah Imran , Jake Y. Chen , Allan C. Dobbins