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113 Results Found

  • Article
  • Open Access
392 Views
18 Pages

2 July 2026

Secure and efficient spatial range query over encrypted outsourced vector data remains a challenging issue, particularly for polyline and polygon data. Existing schemes primarily focus on point data and have not been properly extended to more complex...

(This article belongs to the Special Issue Advanced Technology of Information Security and Privacy)
  • Article
  • Open Access
23 Citations
5,023 Views
15 Pages

Vector Map Random Encryption Algorithm Based on Multi-Scale Simplification and Gaussian Distribution

  • Giao N. Pham,
  • Son T. Ngo,
  • Anh N. Bui,
  • Dinh V. Tran,
  • Suk-Hwan Lee and
  • Ki-Ryong Kwon

14 November 2019

In recent years, GIS (Geographical Information System) vector maps are widely used in everyday life, science, and the military. However, the production process of vector maps is expensive, and a large volume of vector map data is easily stolen and il...

(This article belongs to the Special Issue Recent Advances in Geographic Information System for Earth Sciences)
  • Article
  • Open Access
5 Citations
2,367 Views
18 Pages

26 October 2022

Due to its applications in cloud computing, research on reversible data hiding in encrypted images (RDHEI) is becoming more and more important. This paper proposes a reversible data hiding scheme for encrypted images that utilizes an all-permutation...

(This article belongs to the Special Issue Multimedia Processing: Challenges and Prospects)
  • Article
  • Open Access
1,077 Views
25 Pages

Accelerating FAEST Signatures on ARM: NEON SIMD AES and Parallel VOLE Optimization

  • Seung-Won Lee,
  • Ha-Gyeong Kim,
  • Min-Ho Song,
  • Si-Woo Eum and
  • Hwa-Jeong Seo

13 April 2026

FAEST is a National Institute of Standards and Technology post-quantum signature candidate based on the Vector Oblivious Linear Evaluation-in-the-Head paradigm, whose signing performance is dominated by repeated Advanced Encryption Standard Counter-b...

(This article belongs to the Special Issue Security and Privacy in the Internet of Things (IoT): Latest Advances and Prospects)
  • Article
  • Open Access
8 Citations
2,570 Views
34 Pages

25 January 2025

The Internet of Things (IoT) connects various medical devices that enable remote monitoring, which can improve patient outcomes and help healthcare providers deliver precise diagnoses and better service to patients. However, IoT-based healthcare mana...

(This article belongs to the Special Issue Sensors in mHealth Applications)
  • Article
  • Open Access
1 Citations
393 Views
19 Pages

Advanced Vector Extensions 512 Acceleration of LSH and LEA-GCM

  • Seung-Won Lee,
  • Min-Ho Song,
  • Ha-Gyeong Kim,
  • Ui-Jae Kim,
  • Si-Woo Eum and
  • Hwa-Jeong Seo

8 July 2026

This paper presents high-performance Advanced Vector Extensions 512 (AVX-512) implementations of two Korean standard cryptographic algorithms: the Lightweight Secure Hash (LSH) function and Lightweight Encryption Algorithm–Galois/Counter Mode (...

(This article belongs to the Special Issue Recent Advances in Secure Software Engineering)
  • Article
  • Open Access
7 Citations
2,413 Views
24 Pages

The combination of encryption and digital watermarking technologies is an increasingly popular approach to achieve full lifecycle data protection. Recently, reversible data hiding in the encrypted domain (RDHED) has greatly aroused the interest of ma...

(This article belongs to the Topic Recent Advances in Security, Privacy, and Trust)
  • Article
  • Open Access
27 Citations
3,493 Views
18 Pages

A Novel Invariant Based Commutative Encryption and Watermarking Algorithm for Vector Maps

  • Yu Li,
  • Liming Zhang,
  • Xiaolong Wang,
  • Xingang Zhang and
  • Qihang Zhang

Commutative encryption and watermarking (CEW) is an emerging method that combines encryption technology with digital watermarking technology. It has the dual capability of secure transmission and copyright protection. However, the existing CEW method...

(This article belongs to the Special Issue Cartographic Communication of Big Data)
  • Article
  • Open Access
16 Citations
4,229 Views
25 Pages

A Lightweight Hybrid Scheme for Hiding Text Messages in Colour Images Using LSB, Lah Transform and Chaotic Techniques

  • Iman Qays Abduljaleel,
  • Zaid Ameen Abduljabbar,
  • Mustafa A. Al Sibahee,
  • Mudhafar Jalil Jassim Ghrabat,
  • Junchao Ma and
  • Vincent Omollo Nyangaresi

Data security can involve embedding hidden images, text, audio, or video files within other media to prevent hackers from stealing encrypted data. Existing mechanisms suffer from a high risk of security breaches or large computational costs, however....

(This article belongs to the Section Network Services and Applications)
  • Article
  • Open Access
1,014 Views
21 Pages

Asymmetric Fingerprint Scheme for Vector Geographic Data Based on Smart Contracts

  • Lei Wang,
  • Liming Zhang,
  • Ruitao Qu,
  • Tao Tan,
  • Shuaikang Liu and
  • Na Ren

Existing vector geographic data transaction schemes are typically merchant-controlled, hindering fair ownership tracing and impartial arbitration. To address this, we propose an asymmetric digital fingerprinting scheme based on smart contracts. In ou...

  • Article
  • Open Access
13 Citations
2,437 Views
21 Pages

A Novel Separable Scheme for Encryption and Reversible Data Hiding

  • Pei Chen,
  • Yang Lei,
  • Ke Niu and
  • Xiaoyuan Yang

28 October 2022

With the increasing emphasis on security and privacy, video in the cloud sometimes needs to be stored and processed in an encrypted format. To facilitate the indexing and tampering detection of encrypted videos, data hiding is performed in encrypted...

(This article belongs to the Topic Computer Vision and Image Processing)
  • Article
  • Open Access
2 Citations
2,798 Views
23 Pages

30 November 2023

In recent years, there has been rapid development in computer technology, leading to an increasing number of medical systems utilizing electronic medical records (EMRs) to store their clinical data. Because EMRs are very private, healthcare instituti...

(This article belongs to the Special Issue Digital Privacy and Security)
  • Article
  • Open Access
22 Citations
7,559 Views
16 Pages

2 April 2015

In transmitting video data securely over Video Sensor Networks (VSNs), since mobile handheld devices have limited resources in terms of processor clock speed and battery size, it is necessary to develop an efficient method to encrypt video data to me...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
3 Citations
4,141 Views
30 Pages

17 February 2021

Recent years have seen an increasing emphasis on information security, and various encryption methods have been proposed. However, for symmetric encryption methods, the well-known encryption techniques still rely on the key space to guarantee securit...

(This article belongs to the Special Issue Machine Learning for Cybersecurity Threats, Challenges, and Opportunities)
  • Article
  • Open Access
10 Citations
3,582 Views
14 Pages

11 August 2022

Cloud storage has become eminent, with an increasing amount of data being produced daily; this has led to substantial concerns related to privacy and unauthorized access. To secure privacy, users can protect their private data by uploading encrypted...

  • Article
  • Open Access
2 Citations
1,325 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
3 Citations
2,516 Views
21 Pages

9 October 2025

In this paper, the authors analyze the applicability of artificial intelligence algorithms for classifying file encryption methods based on statistical features extracted from the binary content of files. The prepared datasets included both unencrypt...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
2 Citations
3,863 Views
23 Pages

The requirement for privacy-aware machine learning increases as we continue to use PII (personally identifiable information) within machine training. To overcome the existing privacy issues, we can apply fully homomorphic encryption (FHE) to encrypt...

  • Article
  • Open Access
6 Citations
4,131 Views
11 Pages

12 August 2020

With the rapid development of cloud computing, massive data are transferred to cloud servers for storage and management savings. For privacy concerns, data should be encrypted before being uploaded. In the encrypted-domain (ED), however, many data co...

(This article belongs to the Section Information Theory and Methodology)
  • Article
  • Open Access
39 Citations
5,175 Views
19 Pages

16 May 2023

Secure transmission of medical images and medical data is essential in healthcare systems, both in telemedicine and AI approaches. The compromise of images and medical data could affect patient privacy and the accuracy of diagnosis. Digital watermark...

(This article belongs to the Special Issue Applications of Image Processing and Pattern Recognition in Biometrics)
  • Article
  • Open Access
106 Views
26 Pages

A UC-Secure Protocol for Privacy-Preserving Preferential Voting with Verifiable Encrypted Ballots

  • Lyudmila Kovalchuk,
  • Andrii Nastenko,
  • Oleksii Bespalov and
  • Volodymyr Artemchuk

13 October 2026

Preferential voting allows participants to rank multiple alternatives according to their preferences rather than being restricted to selecting a single option. Such mechanisms are used in national and local elections and, in decentralized governance,...

(This article belongs to the Section Algorithms for Multidisciplinary Applications)
  • Article
  • Open Access
4 Citations
2,816 Views
18 Pages

Dual Hashing Index Cancellable Finger Vein Template Based on Gaussian Random Mapping

  • Xueyou Hu,
  • Liping Zhang,
  • Huabin Wang,
  • Jian Zhou and
  • Liang Tao

28 January 2022

In the existing cancellable finger vein template protection schemes, the original biometric features cannot be well protected, which results in poor security. In addition, the performance of matching recognition performances after generating a cancel...

  • Article
  • Open Access
2,293 Views
28 Pages

Efficient Private Information Retrieval Scheme with Dynamic Database

  • Xin Li,
  • Wenju Xu,
  • Dianhua Tang,
  • Yunfei Cao,
  • Jing Zhang and
  • Wei Zhao

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
6 Citations
4,015 Views
28 Pages

12 March 2021

With the advancement of 5G mobile telecommunication, various IoT (Internet of Things) devices communicate massive amounts of data by being connected to wireless networks. Since this wireless communication is vulnerable to hackers via data leakage dur...

(This article belongs to the Special Issue Design and Security Analysis of Cryptosystems)
  • Article
  • Open Access
2 Citations
3,925 Views
11 Pages

New Multi-Keyword Ciphertext Search Method for Sensor Network Cloud Platforms

  • Lixia Xie,
  • Ziying Wang,
  • Yue Wang,
  • Hongyu Yang and
  • Jiyong Zhang

12 September 2018

This paper proposed a multi-keyword ciphertext search, based on an improved-quality hierarchical clustering (MCS-IQHC) method. MCS-IQHC is a novel technique, which is tailored to work with encrypted data. It has improved search accuracy and can self-...

(This article belongs to the Special Issue Intelligent Computing, Networking, Security and Robustness in Internet of Things)
  • Article
  • Open Access
24 Citations
6,820 Views
21 Pages

Privacy Protection in Real Time HEVC Standard Using Chaotic System

  • Mohammed Abu Taha,
  • Wassim Hamidouche,
  • Naty Sidaty,
  • Marko Viitanen,
  • Jarno Vanne,
  • Safwan El Assad and
  • Olivier Deforges

Video protection and access control have gathered steam over recent years. However, the most common methods encrypt the whole video bit stream as unique data without taking into account the structure of the compressed video. These full encryption sol...

  • Article
  • Open Access
2 Citations
1,766 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
24 Citations
5,108 Views
20 Pages

Recently, to enhance the security of the Internet of Things (IoT), research on blockchain-based encryption algorithms has been actively conducted. However, because blockchains have complex structures and process large amounts of data, there are still...

(This article belongs to the Special Issue IoT Security and Privacy through the Blockchain)
  • Article
  • Open Access
10 Citations
3,089 Views
27 Pages

19 August 2024

Data security and privacy have become essential due to the increasingly advanced interconnectivity in today’s world, hence the reliance on cryptography. This paper introduces a new algorithm that uses a novel hybrid Tent–May chaotic map t...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
4 Citations
3,124 Views
20 Pages

13 October 2020

The Common Data Model (CDM) is being used to deal with problems caused by the various electronic medical record structures in the distributed hospital information system. The concept of CDM is emerging as a collaborative method of exchanging data fro...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
1 Citations
3,081 Views
18 Pages

With the rapid development and wide application of cloud computing and 5G communication, the number of mobile users is increasing rapidly, meaning that cloud storage services are receiving more and more attention. The equality test technology of retr...

(This article belongs to the Section Information Applications)
  • Article
  • Open Access
99 Citations
7,875 Views
25 Pages

23 September 2022

Chaotic-maps-based image encryption methods have been a topic of research interest for a decade. However, most of the proposed methods suffer from slow encryption time or compromise on the security of the encryption to achieve faster encryption. This...

(This article belongs to the Special Issue Information Security and Privacy: From IoT to IoV)
  • Article
  • Open Access
3 Citations
4,045 Views
21 Pages

1 November 2018

Public key encryption with disjunctive keyword search (PEDK) is a public key encryption scheme that allows disjunctive keyword search over encrypted data without decryption. This kind of scheme is crucial to cloud storage and has received a lot of at...

(This article belongs to the Section Information Theory and Methodology)
  • Article
  • Open Access
27 Citations
5,922 Views
16 Pages

9 November 2018

The consolidation of encryption and big data in network communications have made deep packet inspection no longer feasible in large networks. Early attack detection requires feature vectors which are easy to extract, process, and analyze, allowing th...

  • Article
  • Open Access
1 Citations
1,789 Views
25 Pages

11 December 2024

Security is one of the increasingly significant issues given advancements in technology that harness data from multiple devices such as the internet of medical devices. While protecting data from unauthorized user access, several techniques are used...

(This article belongs to the Section Biomedical Sensors)
  • Article
  • Open Access
2 Citations
2,200 Views
17 Pages

9 January 2023

Reversible data hiding in encrypted images (RDHEI) is commonly used for privacy protection in images stored on cloud storage. Currently, block permutation and co-modulation (BPCM) encryption is commonly utilized in most existing RDHEI schemes to gene...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
44 Citations
1,333 Views
33 Pages

6 December 2025

As digital images proliferate across open networks, securing them against unauthorized access has become imperative. However, many recent image encryption algorithms are limited by weak chaotic dynamics and inadequate cryptographic design. To overcom...

(This article belongs to the Special Issue Nonlinear Dynamical System and Its Applications)
  • Article
  • Open Access
7 Citations
4,324 Views
30 Pages

Maximized Privacy-Preserving Outsourcing on Support Vector Clustering

  • Yuan Ping,
  • Bin Hao,
  • Xiali Hei,
  • Jie Wu and
  • Baocang Wang

Despite its remarkable capability in handling arbitrary cluster shapes, support vector clustering (SVC) suffers from pricey storage of kernel matrix and costly computations. Outsourcing data or function on demand is intuitively expected, yet it raise...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
12 Citations
3,777 Views
16 Pages

19 November 2024

With the development of the data-sharing system in recent years, financial management systems and their privacy have sparked great interest. Existing financial data-sharing systems store metadata, which include a hash value and database index on the...

(This article belongs to the Section A: Computer Science)
  • Proceeding Paper
  • Open Access
339 Views
11 Pages

Architecture and Performance Evaluation of Real-Time Facial Recognition for Access Control

  • Fatima Sapundzhi,
  • Ramazan Ertuğrul Aydoğan,
  • Slavi Georgiev and
  • Nikita Nikitov

The current study presents the design, implementation, and evaluation of a real-time face recognition system for automated access control. The system uses Python libraries to build an accurate and secure identification platform that incorporates dedi...

(This article belongs to the Proceedings of The 15th International Scientific Conference TechSys 2026—Engineering, Technologies and Systems)
  • Article
  • Open Access
49 Citations
10,669 Views
24 Pages

29 December 2018

Biometric verification systems have become prevalent in the modern world with the wide usage of smartphones. These systems heavily rely on storing the sensitive biometric data on the cloud. Due to the fact that biometric data like fingerprint and iri...

  • Article
  • Open Access
5 Citations
4,854 Views
20 Pages

SigML++: Supervised Log Anomaly with Probabilistic Polynomial Approximation

  • Devharsh Trivedi,
  • Aymen Boudguiga,
  • Nesrine Kaaniche and
  • Nikos Triandopoulos

Security log collection and storage are essential for organizations worldwide. Log analysis can help recognize probable security breaches and is often required by law. However, many organizations commission log management to Cloud Service Providers (...

(This article belongs to the Special Issue Cyber Security, Cryptology and Machine Learning)
  • Article
  • Open Access
25 Citations
4,557 Views
19 Pages

A Novel Lattice-Based CP-ABPRE Scheme for Cloud Sharing

  • Juyan Li,
  • Chunguang Ma and
  • Kejia Zhang

9 October 2019

The ciphertext-policy attribute-based proxy re-encryption (CP-ABPRE) scheme supports access control and can transform a ciphertext under an access policy to a ciphertext under another access policy without decrypting the ciphertexts, which is flexibl...

(This article belongs to the Special Issue Symmetry and Asymmetry Applications for Internet of Things Security and Privacy)
  • Article
  • Open Access
5 Citations
1,487 Views
24 Pages

21 November 2025

Machine learning (ML) offers significant potential for disease prediction, clinical decision support, and medical data classification, but its reliance on sensitive patient data raises privacy and security concerns, particularly under strict healthca...

(This article belongs to the Section Evolutionary Algorithms and Machine Learning)
  • Article
  • Open Access
1 Citations
8,320 Views
25 Pages

In some wireless environments, minimizing the size of messages is paramount due to the resulting significant energy savings. We present CMCC (CBC-MAC-CTR-CBC), an authenticated encryption scheme with associated data (AEAD) that is also nonce misuse r...

  • Article
  • Open Access
2 Citations
1,275 Views
24 Pages

3 November 2025

Vector geographic data require strict preservation of coordinate precision and topological integrity. However, their open transmission poses simultaneous challenges for copyright protection and data security. To address these issues, this study propo...

(This article belongs to the Special Issue Symmetries and Symmetry-Breaking in Data Security)
  • Article
  • Open Access
464 Views
42 Pages

24 June 2026

The proliferation of cloud-based data outsourcing has intensified the need for efficient semantic retrieval over encrypted data. Existing searchable encryption schemes often face a coupled bottleneck: (i) semantic index can be unstable or overly coar...

(This article belongs to the Special Issue Information Theory and Entropy Methods in Security Information Processing and Its Applications)
  • Article
  • Open Access
1 Citations
1,800 Views
17 Pages

Electric vehicle (EV) charging infrastructures raise significant concerns about data security and user privacy because traditional centralized authorization and billing frameworks expose sensitive information to breaches and profiling. To address the...

(This article belongs to the Special Issue New Trends in Electrical Drives for EV Applications)
  • Article
  • Open Access
52 Citations
1,446 Views
30 Pages

State-Dependent Variable Fractional-Order Hyperchaotic Dynamics in a Coupled Quadratic Map: A Novel System for High-Performance Image Protection

  • Wei Feng,
  • Zixian Tang,
  • Xiangyu Zhao,
  • Zhentao Qin,
  • Yao Chen,
  • Bo Cai,
  • Zhengguo Zhu,
  • Heping Wen and
  • Conghuan Ye

Amid growing threats of image data leakage and misuse, image encryption has become a critical safeguard for protecting visual information. However, many recent image encryption algorithms remain constrained by trade-offs between security, efficiency,...

(This article belongs to the Special Issue Advances in Fractional-Order Chaotic and Complex Systems)
  • Article
  • Open Access
25 Citations
6,034 Views
26 Pages

12 March 2021

The rapidly increasing expansion of distributed energy resources (DER), such as renewable energy systems and energy storage systems into the electric power system and the integration of advanced information and communication technologies enable DER o...

(This article belongs to the Special Issue Selected Papers from WISA 2020)

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