Skip to Content
You are currently on the new version of our website. Access the old version .

277 Results Found

  • Article
  • Open Access
25 Citations
4,652 Views
19 Pages

Plaintext-Related Dynamic Key Chaotic Image Encryption Algorithm

  • Zeming Wu,
  • Ping Pan,
  • Chunyang Sun and
  • Bing Zhao

2 September 2021

To address the problems of the high complexity and low security of the existing image encryption algorithms, this paper proposes a dynamic key chaotic image encryption algorithm with low complexity and high security associated with plaintext. Firstly...

  • Article
  • Open Access
4 Citations
3,810 Views
25 Pages

9 November 2020

The Internet of Things uses low-power wireless communication for wireless connectivity and efficient energy. Low-power wireless communication is applied to IoT for wireless connection and efficient energy consumption in various areas such as wearable...

(This article belongs to the Special Issue Advances in Blockchain Technology and Applications II)
  • Article
  • Open Access
3 Citations
3,034 Views
24 Pages

A Secure Personal Health Record Sharing System with Key Aggregate Dynamic Searchable Encryption

  • Jihyeon Oh,
  • JoonYoung Lee,
  • MyeongHyun Kim,
  • Youngho Park and ,
  • KiSung Park and
  • SungKee Noh
  • + 1 author+ 0 author

6 October 2022

Recently, as interest in individualized health has increased, the Personal Health Record (PHR) has attracted a lot of attention for prognosis predictions and accurate diagnoses. Cloud servers have been used to manage the PHR system, but privacy conce...

(This article belongs to the Special Issue Feature Papers in Computer Science & Engineering)
  • Article
  • Open Access
597 Views
65 Pages

3 October 2026

Protecting medical images requires encryption methods that combine cryptographic key management with validated nonlinear transformations and effective diffusion mechanisms. This study proposes an encryption-instance-specific framework based on a CSPR...

(This article belongs to the Special Issue Digital Image Processing and Sensing Technologies—Third Edition)
  • Article
  • Open Access
53 Citations
6,734 Views
16 Pages

2 February 2021

This study aimed to design chaos-based synchronized dynamic keys and develop an improved chaos-based advanced encryption standard (AES) algorithm with the proposed synchronized random keys. First, based on sliding mode control (SMC) technology, a rip...

(This article belongs to the Special Issue Physics and Mechanics of New Materials and Their Applications 2020)
  • Article
  • Open Access
29 Citations
6,139 Views
16 Pages

3 February 2023

With the rapid expansion of electronic data transmission, unauthorized data access is growing. Information security against unwanted access is becoming increasingly essential in data storage and data transfer. Images are a common type of information...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
7 Citations
3,548 Views
20 Pages

18 August 2025

The Advanced Encryption Standard (AES) symmetric encryption algorithm plays a crucial role in data encryption. To address the limitations of the fixed Substitution-box (S-box) and static key expansion strategy in AES. This paper proposes an improved...

  • Article
  • Open Access
408 Views
18 Pages

Hybrid Image Encryption via BCC-Algebraic Dynamic Key Generation and AES-CBC

  • Zainab Radhi Mousa,
  • Karrar Aljawaheri,
  • Alaa Mohammed Redha Abdulhasan,
  • Tabark Mohammed Alkhaldi and ,
  • Furqan Abbas Albo jwaid,
  • Marwa Ali Alhamdany and
  • Mohanad R. Aljanabi
  • + 2 authors+ 0 author

1 September 2026

Traditional chaotic image encryption systems frequently suffer from phase-space periodic degradation and finite-precision limitations. To overcome these inherent vulnerabilities, this paper presents a novel dynamic image encryption framework combinin...

(This article belongs to the Special Issue Advanced Cryptographic Techniques for Digital Watermarking, Encryption, and Steganography)
  • Article
  • Open Access
3 Citations
3,549 Views
16 Pages

Secure Video Communication Using Multi-Equation Multi-Key Hybrid Cryptography

  • Youcef Fouzar,
  • Ahmed Lakhssassi and
  • Ramakrishna Mundugar

29 November 2023

The safeguarding of intellectual property and maintaining privacy for video content are closely linked to the effectiveness of security protocols employed in internet streaming platforms. The inadequate implementation of security measures by content...

  • Article
  • Open Access
1 Citations
1,629 Views
24 Pages

16 June 2025

Among searchable encryption techniques, multi-user dynamic searchable encryption (MUDSE) schemes are an important research direction. After the data owner transfers data to the cloud, it may be necessary to authorize different users to access some or...

(This article belongs to the Special Issue Artificial Intelligence for Network Security and IoT Applications)
  • Article
  • Open Access
27 Citations
5,124 Views
22 Pages

9 March 2023

Due to the equivalent keys revealed by a chosen-plaintext attack or a chosen-ciphertext attack, most of the existing chaotic image encryption schemes are demonstrated to be insecure. In order to improve security performance, some scholars have recent...

(This article belongs to the Special Issue Image Encryption and Privacy Protection Based on Chaotic Systems)
  • Article
  • Open Access
9 Citations
3,254 Views
27 Pages

Research on Lightweight Dynamic Security Protocol for Intelligent In-Vehicle CAN Bus

  • Yuanhao Wang,
  • Yinan Xu,
  • Zhiquan Liu,
  • Suya Liu and
  • Yujing Wu

27 May 2025

With the integration of an increasing number of outward-facing components in intelligent and connected vehicles, the open controller area network (CAN) bus environment faces increasingly severe security threats. However, existing security measures re...

(This article belongs to the Section Vehicular Sensing)
  • Article
  • Open Access
1 Citations
1,930 Views
34 Pages

11 November 2025

This study introduces an energy-aware hybrid security framework that safeguards embedded systems against code theft, closing a critical gap. The approach integrates bitstream encryption, dynamic key generation, and Dynamic Function eXchange (DFX)-bas...

  • Article
  • Open Access
2,368 Views
28 Pages

Efficient Private Information Retrieval Scheme with Dynamic Database

  • Xin Li,
  • Wenju Xu,
  • Dianhua Tang,
  • Yunfei Cao and ,
  • Jing Zhang and
  • Wei Zhao
  • + 1 author+ 0 author

29 August 2025

Private information retrieval (PIR) is a typical application scenario of encrypted computing, which allows users to retrieve data from a database by providing only an encrypted index. In an academic research scenario, multiple parties may entrust the...

(This article belongs to the Special Issue Advancements in Network and Data Security)
  • Article
  • Open Access
2 Citations
1,186 Views
18 Pages

10 August 2025

With the rapid evolution of smart grids, secure and efficient data communication among hierarchical sensor devices has become critical to ensure privacy and system integrity. However, existing protocols often fail to balance security strength and res...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
7 Citations
5,281 Views
23 Pages

Traditional key derivation techniques, including the widely adopted PBKDF2, operate with static parameters that do not account for contextual factors such as device capabilities, data sensitivity, or password strength. In this paper, we propose a nov...

  • Article
  • Open Access
22 Citations
4,287 Views
27 Pages

12 June 2020

Emerging as the effective strategy of intelligent transportation system (ITS), vehicular ad hoc networks (VANETs) have the capacity of drastically improving the driving experience and road safety. In typical VANET scenarios, high mobility and volatil...

  • Article
  • Open Access
9 Citations
1,748 Views
32 Pages

11 August 2025

With the growing demand for secure image communication, effective encryption solutions are critical for safeguarding visual data from unauthorized access. The substitution box (S-box) in AES (Advanced Encryption Standard) is critical for ensuring non...

(This article belongs to the Section F: Engineering and Materials)
  • Article
  • Open Access
6 Citations
5,479 Views
12 Pages

Nowadays, there is a high necessity to create new and robust cryptosystems. Dynamical systems have promised to develop crypto-systems due to the close relationship between them and the cryptographic requirements. Distributed dynamic encryption (DDE)...

(This article belongs to the Section Information Theory and Methodology)
  • Article
  • Open Access
682 Views
27 Pages

Dual-Region Encryption Model Based on a 3D-MNFC Chaotic System and Logistic Map

  • Jingyan Li,
  • Yan Niu,
  • Dan Yu,
  • Yiling Wang and ,
  • Jiaqi Huang and
  • Mingliang Dou
  • + 1 author+ 0 author

23 January 2026

Facial information carries key personal privacy, and it is crucial to ensure its security through encryption. Traditional encryption for portrait images typically processes the entire image, despite the fact that most regions lack sensitive facial in...

(This article belongs to the Section Multidisciplinary Applications)
  • Article
  • Open Access
1 Citations
1,767 Views
18 Pages

26 June 2025

Cloud computing has witnessed widespread adoption across numerous sectors, primarily due to its substantial storage capacity and powerful computational resources. In this context, secure data sharing in cloud environments is critically important. Ide...

(This article belongs to the Section A: Computer Science)
  • Feature Paper
  • Article
  • Open Access
2 Citations
1,385 Views
31 Pages

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

  • Panagiotis Oikonomou,
  • George K. Kranas,
  • Maria Sapounaki,
  • Georgios Spathoulas and ,
  • Aikaterini Aretaki,
  • Athanasios Kakarountas and
  • Maria Adam
  • + 2 authors+ 0 author

27 May 2025

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 resizin...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
6 Citations
2,640 Views
14 Pages

High-Performance Encryption Algorithms for Dynamic Images Transmission

  • Ying Yang,
  • Xingchuang Xiong,
  • Zilong Liu,
  • Shangzhong Jin and
  • Juan Wang

28 December 2023

With the proliferation of the internet, the issue of image tampering has escalated, necessitating robust image encryption schemes. Despite the multitude of proposed image encryption algorithms, challenges such as slow computational speed, weak securi...

(This article belongs to the Section Electronic Multimedia)
  • Article
  • Open Access
89 Citations
5,767 Views
20 Pages

15 July 2020

In this paper, we construct a five dimensional continuous hyperchaotic system and propose an image encryption scheme based on the hyperchaotic system, which adopts DNA dynamic coding mechanism and classical scrambling diffusion encryption structure....

(This article belongs to the Section Multidisciplinary Applications)
  • Article
  • Open Access
3 Citations
1,822 Views
18 Pages

30 November 2023

In this paper, we study the dynamic behavior of an impulse differential chaotic system which can be applied to image encryption. Combined with the chaotic characteristics of the high dimensional impulsive differential equations, the plaintext image c...

  • Article
  • Open Access
1 Citations
3,164 Views
16 Pages

A Searchable Encryption with Forward/Backward Security and Constant Storage

  • Suzhen Cao,
  • Junjian Yan,
  • Zixuan Fang and
  • Caifen Wang

8 February 2023

Dynamic searchable encryption satisfies users’ needs for ciphertext retrieval on semi-trusted servers, while allowing users to update server-side data. However, cloud servers with dynamically updatable data are vulnerable to information abuse a...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
131 Citations
11,268 Views
18 Pages

19 September 2018

In order to overcome the difficulty of key management in “one time pad” encryption schemes and also resist the attack of chosen plaintext, a new image encryption algorithm based on chaos and SHA-256 is proposed in this paper. The architec...

(This article belongs to the Special Issue Entropy in Image Analysis)
  • Article
  • Open Access
2 Citations
1,463 Views
20 Pages

25 September 2024

This paper proposes a highly secure image encryption technique based on chaotic synchronization. Firstly, through the design of a synchronization controller, we ensure that the master–slave chaotic extremum-coded random number generators (ECRNG...

(This article belongs to the Special Issue New Advances in Coding Theory and Cryptography, 2nd Edition)
  • Article
  • Open Access
29 Citations
3,737 Views
17 Pages

Dynamic RNA Coding Color Image Cipher Based on Chain Feedback Structure

  • Heping Wen,
  • Shenghao Kang,
  • Zhuxi Wu,
  • Yiting Lin and
  • Yiming Huang

16 July 2023

This paper proposes a dynamic RNA-encoded color image encryption scheme based on a chain feedback structure. Firstly, the color pure image is decomposed into red, green, and blue components, and then a chaotic sequence based on plaintext association...

  • Article
  • Open Access
3 Citations
1,676 Views
29 Pages

LVGG-IE: A Novel Lightweight VGG-Based Image Encryption Scheme

  • Mingliang Sun,
  • Jie Yuan,
  • Xiaoyong Li,
  • Dongxiao Liu and
  • Xinghai Wei

23 November 2024

Image security faces increasing challenges with the widespread application of computer science and artificial intelligence. Although chaotic systems are employed to encrypt images and prevent unauthorized access or tampering, the degradation that occ...

(This article belongs to the Section Multidisciplinary Applications)
  • Article
  • Open Access
8 Citations
3,200 Views
15 Pages

17 January 2022

An image encryption and decryption algorithm based on Arnod transform and fractional chaos is proposed in this work for solving the problem that the encrypted image is easily cracked and the content of the decrypted image is distorted. To begin with,...

(This article belongs to the Special Issue PDE, Optimization Modeling and Symmetry in Multi-Dimensional Data and Low-Level Vision Tasks)
  • Article
  • Open Access
9 Citations
1,410 Views
21 Pages

13 November 2025

To address the security of digital images, this paper proposes a novel image encryption algorithm based on a six-dimensional memristive chaotic system. First, the algorithm uses the Secure Hash Algorithm 256 (SHA-256) to generate a hash value, from w...

  • Article
  • Open Access
1,210 Views
18 Pages

Fast Detection of FDI Attacks and State Estimation in Unmanned Surface Vessels Based on Dynamic Encryption

  • Zheng Liu,
  • Li Liu,
  • Hongyong Yang,
  • Zengfeng Wang and ,
  • Guanlong Deng and
  • Chunjie Zhou
  • + 1 author+ 0 author

Wireless sensor networks (WSNs) are used for data acquisition and transmission in unmanned surface vessels (USVs). However, the openness of wireless networks makes USVs highly susceptible to false data injection (FDI) attacks during data transmission...

(This article belongs to the Special Issue Control and Optimization of Ship Propulsion System)
  • Article
  • Open Access
41 Citations
3,595 Views
18 Pages

Secure DNA-Coding Image Optical Communication Using Non-Degenerate Hyperchaos and Dynamic Secret-Key

  • Heping Wen,
  • Zhen Liu,
  • Haowen Lai,
  • Chongfu Zhang and ,
  • Linhao Liu,
  • Jieyi Yang,
  • Yiting Lin,
  • Yunqi Li,
  • Yunlong Liao and
  • Rui Li
  • + 7 authors+ 2 authors

3 September 2022

With the aim of tackling insufficient security in the chaotic encryption algorithm for digital images in the Optical Access Network, a color image encryption scheme combining non-degenerate discrete hyperchaotic system and deoxyribonucleic acid (DNA)...

(This article belongs to the Special Issue Advances in Algebraic Coding Theory and Cryptography)
  • Article
  • Open Access
30 Citations
3,774 Views
21 Pages

A Novel Color Image Encryption Scheme Based on Hyperchaos and Hopfield Chaotic Neural Network

  • Yanan Wu,
  • Jian Zeng,
  • Wenjie Dong,
  • Xinyu Li and ,
  • Danyang Qin and
  • Qun Ding
  • + 1 author+ 0 author

17 October 2022

Problems such as insufficient key space, lack of a one-time pad, and a simple encryption structure may emerge in existing encryption schemes. To solve these problems, and keep sensitive information safe, this paper proposes a plaintext-related color...

(This article belongs to the Special Issue Image Encryption and Privacy Protection Based on Chaotic Systems)
  • Article
  • Open Access
20 Citations
7,726 Views
19 Pages

A Dynamic Light-Weight Symmetric Encryption Algorithm for Secure Data Transmission via BLE Beacons

  • Sam Banani,
  • Surapa Thiemjarus,
  • Kitti Wongthavarawat and
  • Nattapong Ounanong

Pervasive sensing with Body Sensor Networks (BSNs) is a promising technology for continuous health monitoring. Since the sensor nodes are resource-limited, on-node processing and advertisement of digested information via BLE beacon is a promising tec...

(This article belongs to the Section Actuators, Sensors and Devices)
  • Article
  • Open Access
50 Citations
7,987 Views
15 Pages

A Selective Video Encryption Scheme Based on Coding Characteristics

  • Shuli Cheng,
  • Liejun Wang,
  • Naixiang Ao and
  • Qingqing Han

26 February 2020

The protection of video data has become a hot topic of research. Researchers have proposed a series of coding algorithms to ensure the safe and efficient transmission of video information. We propose an encryption scheme that can protect video inform...

  • Article
  • Open Access
279 Views
29 Pages

13 September 2026

Existing chaos-based image ciphers may suffer from limited dynamical complexity in low-dimensional maps and insufficient diversification of encryption-control sequences across different encryption instances. To address these limitations, a one-dimens...

(This article belongs to the Special Issue Mathematical Methods Applied in Artificial Intelligence and Multi-Agent Systems, 2nd Edition)
  • Article
  • Open Access
2 Citations
1,890 Views
23 Pages

Super Encryption Standard (SES): A Key-Dependent Block Cipher for Image Encryption

  • Mohammed Abbas Fadhil Al-Husainy,
  • Bassam Al-Shargabi and
  • Omar Sabri

19 December 2025

Data encryption is a core mechanism in modern security services for protecting confidential data at rest and in transit. This work introduces the Super Encryption Standard (SES), a symmetric block cipher that follows the overall workflow of the Advan...

(This article belongs to the Section Internet of Things (IoT))
  • Article
  • Open Access
18 Citations
5,679 Views
17 Pages

Dynamic Multimedia Encryption Using a Parallel File System Based on Multi-Core Processors

  • Osama A. Khashan,
  • Nour M. Khafajah,
  • Waleed Alomoush,
  • Mohammad Alshinwan and ,
  • Sultan Alamri,
  • Samer Atawneh and
  • Mutasem K. Alsmadi
  • + 2 authors+ 0 author

Securing multimedia data on disk drives is a major concern because of their rapidly increasing volumes over time, as well as the prevalence of security and privacy problems. Existing cryptographic schemes have high computational costs and slow respon...

  • Article
  • Open Access
8 Citations
6,147 Views
14 Pages

Multi-User Searchable Symmetric Encryption with Dynamic Updates for Cloud Computing

  • Chen Guo,
  • Xingbing Fu,
  • Yaojun Mao,
  • Guohua Wu and ,
  • Fagen Li and
  • Ting Wu
  • + 1 author+ 0 author

28 September 2018

With the advent of cloud computing, more and more users begin to outsource encrypted files to cloud servers to provide convenient access and obtain security guarantees. Searchable encryption (SE) allows a user to search the encrypted files without le...

  • Article
  • Open Access
4 Citations
2,341 Views
34 Pages

A Robust Image Encryption Framework Using Deep Feature Extraction and AES Key Optimization

  • Sahara A. S. Almola,
  • Hameed A. Younis and
  • Raidah S. Khudeyer

This article presents a novel framework for encrypting color images to enhance digital data security using deep learning and artificial intelligence techniques. The system employs a two-model neural architecture: the first, a Convolutional Neural Net...

  • Article
  • Open Access
28 Citations
3,607 Views
20 Pages

A Digital Image Confidentiality Scheme Based on Pseudo-Quantum Chaos and Lucas Sequence

  • Khushbu Khalid Butt,
  • Guohui Li,
  • Fawad Masood and
  • Sajid Khan

11 November 2020

Several secure image encryption systems have been researched and formed by chaotic mechanisms in current decades. This work recommends an innovative quantum color image encryption method focused on the Lucas series-based substitution box to enhance t...

(This article belongs to the Section Multidisciplinary Applications)
  • Article
  • Open Access
3 Citations
1,358 Views
27 Pages

Implementation of MS Circle Map in Digital Image Encryption

  • Ichsani Mursidah,
  • Suryadi MT,
  • Sarifuddin Madenda and
  • Suryadi Harmanto

21 June 2025

Digital data protection is crucial to prevent unauthorized modifications and tampering. A secure, reliable, and efficient encryption technique is needed to safeguard digital images. This paper proposes a novel MS Circle Map-based image encryption alg...

  • Article
  • Open Access
8 Citations
4,054 Views
18 Pages

Fast Multi-User Searchable Encryption with Forward and Backward Private Access Control

  • Salim Sabah Bulbul,
  • Zaid Ameen Abduljabbar,
  • Duaa Fadhel Najem,
  • Vincent Omollo Nyangaresi and ,
  • Junchao Ma and
  • Abdulla J. Y. Aldarwish
  • + 1 author+ 0 author

Untrusted servers are servers or storage entities lacking complete trust from the data owner or users. This characterization implies that the server hosting encrypted data may not enjoy full trust from data owners or users, stemming from apprehension...

(This article belongs to the Special Issue Security and Smart Applications in IoT and Wireless Sensor and Actuator Networks)
  • Article
  • Open Access
3 Citations
3,533 Views
25 Pages

20 September 2023

With the rapid development of Internet of Things technology and cloud computing technology, all industries need to outsource massive data to third-party clouds for storage in order to reduce storage and computing costs. Verifiable and dynamic searcha...

(This article belongs to the Special Issue AI-Driven Network Security and Privacy)
  • Article
  • Open Access
6 Citations
2,869 Views
22 Pages

18 January 2025

The increasing demand for secure and efficient encryption algorithms has intensified the exploration of alternative cryptographic solutions, including biologically inspired systems like cellular automata. This study presents a symmetric block encrypt...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
30 Citations
3,824 Views
19 Pages

Design and Embedded Implementation of Secure Image Encryption Scheme Using DWT and 2D-LASM

  • Heping Wen,
  • Zefeng Chen,
  • Jiehong Zheng,
  • Yiming Huang and ,
  • Shuwei Li,
  • Linchao Ma,
  • Yiting Lin,
  • Zhen Liu,
  • Rui Li and
  • Huaide Yang
  • + 9 authors+ 4 authors

22 September 2022

In order to further improve the information effectiveness of digital image transmission, an image-encryption algorithm based on 2D-Logistic-adjusted-Sine map (2D-LASM) and Discrete Wavelet Transform (DWT) is proposed. First, a dynamic key with plaint...

(This article belongs to the Section Multidisciplinary Applications)
  • Article
  • Open Access
9 Citations
3,569 Views
24 Pages

Dynamic Key Replacement Mechanism for Lightweight Internet of Things Microcontrollers to Resist Side-Channel Attacks

  • Chung-Wei Kuo,
  • Wei Wei,
  • Chun-Chang Lin,
  • Yu-Yi Hong and ,
  • Jia-Ruei Liu and
  • Kuo-Yu Tsai
  • + 1 author+ 0 author

18 January 2025

5G technology and IoT devices are improving efficiency and quality of life across many sectors. IoT devices are often used in open environments where they handle sensitive data. This makes them vulnerable to side-channel attacks (SCAs), where attacke...

(This article belongs to the Special Issue Privacy and Security Issues in IoT Systems)
  • Article
  • Open Access
3,141 Views
49 Pages

23 September 2026

Remote sensing (RS) images transmitted through distributed satellite, UAV, and sensor networks are vulnerable to interception and misuse, while conventional encryption may reduce the effectiveness of downstream image classification. This paper propos...

of 6