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A Novel Color Image Encryption Algorithm Based on Hyperchaotic Maps and Mitochondrial DNA Sequences

open access: yesEntropy, 2020
Multimedia encryption innovation is one of the primary ways of securely and privately guaranteeing the security of media transmission. There are many advantages when utilizing the attributes of chaos, for example, arbitrariness, consistency, ergodicity ...
Heba G. Mohamed   +2 more
doaj   +1 more source

Perform The Complex EFG Transform in Cryptography [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة
The integral transforms in their various forms, the traditional and the complex forms, have proven their importance in many scientific fields, and mathematicians exploit them in these fields to the fullest. In addition to employing integral transforms in
Emad Kuffi
doaj   +1 more source

Cost-Effective Architectures for RC5 Brute Force Cracking

open access: yesActa Polytechnica, 2005
In this paper, we discuss the options for brute-force cracking of the RC5 block cipher, that is, for revealing the unknown secret key, given a sample ciphertext and a portion of the corresponding plaintext. First, we summarize the methods employed by the
J. Buček   +3 more
doaj  

Square-Based Division Scheme for Image Encryption Using Generalized Fibonacci Matrices

open access: yesMathematics
This paper proposes a novel image encryption and decryption scheme, called Square Block Division-Fibonacci (SBD-Fibonacci), which dynamically partitions any input image into optimally sized square blocks to enable efficient encryption without resizing or
Panagiotis Oikonomou   +6 more
doaj   +1 more source

Postmodern Discourse and its Semiosis

open access: yesJournal of Language and Education, 2015
Symbolic representation is a specific, uniquely human form of objectification of the real world, a powerful means of communication activity of its reflectivity.
Kseniya Hakobyan, Jasmina Šuler-Galos
doaj   +1 more source

Robust Image Encryption based on Balanced Cellular Automaton and Pixel Separation [PDF]

open access: yesRadioengineering, 2016
The purpose of image encryption is to protect content from unauthorized access. Image encryption is usually done by pixel scrambling and confusion, so process is possible to reverse only by knowing secret information.
D. Tralic, S. Grgic
doaj  

DNA Strands Level Scrambling Based Color Image Encryption Scheme

open access: yesIEEE Access, 2020
In the past, many image encryption schemes have been developed through the swapping operations at the different levels of granularity. These levels span bits, Deoxyribonucleic acid (DNA) molecules, pixels, blocks of pixels.
Nadeem Iqbal   +5 more
doaj   +1 more source

A Randomized Non‐overlapping Encryption Scheme for Enhanced Image Security in Internet of Things (IoT) Applications

open access: yesEngineering Reports
The rapid proliferation of Internet of Things (IoT) devices has underscored the critical need to safeguard the data they store and transmit. Among various data types, digital images often carry highly sensitive information, making their protection ...
Muhammad Aqeel   +6 more
doaj   +1 more source

A Time-Varying Hill Cipher for Dynamic Image Cryptography

open access: yesTsinghua Science and Technology
Nowadays, information security becomes increasing important, and cryptography is an indispensable part of information security. Typically, the encryption algorithms are implemented through performing various operations on plaintext with a secret key to ...
Yu Ning   +4 more
doaj   +1 more source

Pour une approche de l’éducation critiqueaux médias par le décryptage des logiques politiques, économiques, idéologiques et éditoriales du numérique

open access: yesTic & Société, 2017
In this article, we present an interpretive grid based on three ways to approach the complex issues raised by digital media: political economy, sociology of uses and reception, and social semiotics. We show how combining these approaches, rarely employed
Sophie JEHEL, Alexandra SAEMMER
doaj   +1 more source

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