Results 41 to 50 of about 19,226 (164)

Algebraic Attacks on Summation Generators [PDF]

open access: yes, 2004
We apply the algebraic attacks on stream ciphers with memories to the summation generator. For a summation generator that uses n LFSRs, an algebraic equation relating the key stream bits and LFSR output bits can be made to be of degree less than or equal to \(^{\lceil\log_2 n \rceil}\) using ⌈log2 n ⌉ + 1 consecutive key stream bits. This is much lower
Dong Hoon Lee 0002   +4 more
openaire   +2 more sources

Generalized inversion attack on nonlinear filter generators [PDF]

open access: yesIEEE Transactions on Computers, 2000
A nonlinear filter generator is a basic keystream generator for stream cipher applications consisting of a single linear feedback shift register whose output is filtered by a nonlinear combining function. A binary nonlinear filter generator is viewed as a finite input memory automaton with one binary input and one binary output.
Jovan Dj. Golic   +2 more
openaire   +2 more sources

Anomaly-Based Intrusion on IoT Networks Using AIGAN-a Generative Adversarial Network

open access: yesIEEE Access, 2023
Adversarial attacks have threatened the credibility of machine learning models and cast doubts over the integrity of data. The attacks have created much harm in the fields of computer vision, and natural language processing.
Zhipeng Liu   +5 more
doaj   +1 more source

A Survey on Anti-Spoofing Methods for Facial Recognition with RGB Cameras of Generic Consumer Devices

open access: yesJournal of Imaging, 2020
The widespread deployment of facial recognition-based biometric systems has made facial presentation attack detection (face anti-spoofing) an increasingly critical issue.
Zuheng Ming   +3 more
doaj   +1 more source

A Simple Generic Attack on Text Captchas [PDF]

open access: yesProceedings 2016 Network and Distributed System Security Symposium, 2016
Text-based Captchas have been widely deployed across the Internet to defend against undesirable or malicious bot programs. Many attacks have been proposed; these fine prior art advanced the scientific understanding of Captcha robustness, but most of them have a limited applicability.
Gao, Haichang   +9 more
openaire   +3 more sources

Multiset-Algebraic Cryptanalysis of Reduced Kuznyechik, Khazad, and secret SPNs

open access: yesIACR Transactions on Symmetric Cryptology, 2017
We devise the first closed formula for the number of rounds of a blockcipher with secret components so that these components can be revealed using multiset, algebraic-degree, or division-integral properties, which in this case are equivalent.
Alex Biryukov   +2 more
doaj   +1 more source

Strategic attack on the shrinking generator

open access: yesTheoretical Computer Science, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Amparo Fúster-Sabater   +1 more
openaire   +1 more source

Computational Modeling of Dynamic Stability Derivatives for Generic Airfoils

open access: yesMATEC Web of Conferences, 2017
This paper presents a method for the computation of the static and dynamic stability derivatives of generic airfoils using high fidelity Computational Fluid Dynamics.
Mumtaz Muhammad Saleem   +2 more
doaj   +1 more source

Survey: Automatic generation of attack trees and attack graphs [PDF]

open access: yesComputers & Security
Graphical security models constitute a well-known, user-friendly way to represent the security of a system. These classes of models are used by security experts to identify vulnerabilities and assess the security of a system. The manual construction of these models can be tedious, especially for large enterprises.
Alyzia Maria Konsta   +3 more
openaire   +1 more source

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