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All Outputs (95)

VisCrypt: Image Encryption Featuring Novel Chaotic Key Generation and Block Permutation Techniques with Visual Cryptography (2024)
Presentation / Conference Contribution
Khan, M. S., Ahmad, J., Ali, M., Dubai, A. A., Pitropakis, N., & Buchanan, W. J. (2024, July). VisCrypt: Image Encryption Featuring Novel Chaotic Key Generation and Block Permutation Techniques with Visual Cryptography. Presented at 2024 IEEE 7th International Conference on Advanced Technologies, Signal and Image Processing (ATSIP), Sousse, Tunisia

In this digital era, ensuring the security of data transmission is critically important. Digital data, especially image data, needs to be secured against unauthorized access. In this regards, this paper presents a robust image encryption scheme named... Read More about VisCrypt: Image Encryption Featuring Novel Chaotic Key Generation and Block Permutation Techniques with Visual Cryptography.

ML-Driven Attack Detection in RPL Networks: Exploring Attacker Position's Significance (2024)
Presentation / Conference Contribution
Ghaleb, B., Al-Dubai, A., Romdhani, I., Ahmad, J., Aldhaheri, T., & Kulkarni, S. (2024, January). ML-Driven Attack Detection in RPL Networks: Exploring Attacker Position's Significance. Presented at 2024 International Conference on Information Networking (ICOIN), Ho Chi Minh City, Vietnam

The Routing Protocol for Low Power and Lossy Networks (RPL) plays a pivotal role in IoT communication, employing a rank-based topology to guide routing decisions. However, RPL is vulnerable to Decreased Rank Attacks, where malicious nodes illegitimat... Read More about ML-Driven Attack Detection in RPL Networks: Exploring Attacker Position's Significance.

Integrating Reality: A Hybrid SDN Testbed for Enhanced Realism in Edge Computing Simulations (2024)
Presentation / Conference Contribution
Almaini, A., Koßmann, T., Folz, J., Schramm, M., Heigl, M., & Al-Dubai, A. (2024, June). Integrating Reality: A Hybrid SDN Testbed for Enhanced Realism in Edge Computing Simulations. Presented at UNet24: The International Conference on Ubiquitous Networking, Marrakesh, Morocco

Recent advancements in Software-Defined Networking (SDN) have facilitated its deployment across diverse network types, including edge networks. Given the broad applicability of SDN and the complexity of large-scale environments, establishing a compre... Read More about Integrating Reality: A Hybrid SDN Testbed for Enhanced Realism in Edge Computing Simulations.

PermutEx: Feature-Extraction-Based Permutation — A New Diffusion Scheme for Image Encryption Algorithms (2024)
Presentation / Conference Contribution
Khan, M. S., Ahmad, J., Al-Dubai, A., Jaroucheh, Z., Pitropakis, N., & Buchanan, W. J. (2023, November). PermutEx: Feature-Extraction-Based Permutation — A New Diffusion Scheme for Image Encryption Algorithms. Presented at 2023 IEEE 28th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Edinburgh, United Kingdom

Traditional permutation schemes mostly focus on random scrambling of pixels, often neglecting the intrinsic image information that could enhance diffusion in image encryption algorithms. This paper introduces PermutEx, a feature-extractionbased permu... Read More about PermutEx: Feature-Extraction-Based Permutation — A New Diffusion Scheme for Image Encryption Algorithms.

SRSS: A New Chaos-Based Single-Round Single S-Box Image Encryption Scheme for Highly Auto-Correlated Data (2023)
Presentation / Conference Contribution
Shahbaz Khan, M., Ahmad, J., Ali, H., Pitropakis, N., Al-Dubai, A., Ghaleb, B., & Buchanan, W. J. (2023, October). SRSS: A New Chaos-Based Single-Round Single S-Box Image Encryption Scheme for Highly Auto-Correlated Data. Presented at 9th International Conference on Engineering and Emerging Technologies (IEEE ICEET 2023), Istanbul, Turkey

With the advent of digital communication, securing digital images during transmission and storage has become a critical concern. The traditional s-box substitution methods often fail to effectively conceal the information within highly auto-correlate... Read More about SRSS: A New Chaos-Based Single-Round Single S-Box Image Encryption Scheme for Highly Auto-Correlated Data.

Informative Causality-based Vehicle Trajectory Prediction Architecture for Domain Generalization (2023)
Presentation / Conference Contribution
Mao, C., Zhao, L., Min, G., Hawbani, A., Al-Dubai, A. Y., & Zomaya, A. Y. (2023, December). Informative Causality-based Vehicle Trajectory Prediction Architecture for Domain Generalization. Presented at IEEE Global Communications (GLOBECOM) Conference 2023, Kuala Lumpur, Malaysia

Vehicle trajectory prediction is a promising technology for improving the performance of Cellular Vehicle-to Everything (C-V2X) applications by providing future road states. Various vehicle trajectory prediction methods have been proposed to increase... Read More about Informative Causality-based Vehicle Trajectory Prediction Architecture for Domain Generalization.

Resolving the Decreased Rank Attack in RPL’s IoT Networks (2023)
Presentation / Conference Contribution
Ghaleb, B., Al-Duba, A., Hussain, A., Romdhani, I., & Jaroucheh, Z. (2023, June). Resolving the Decreased Rank Attack in RPL’s IoT Networks. Presented at 19th Annual International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT 2023), Pafos, Cyprus

The Routing Protocol for Low power and Lossy networks (RPL) has been developed by the Internet Engineering Task Force (IETF) standardization body to serve as a part of the 6LoWPAN (IPv6 over Low-Power Wireless Personal Area Networks) standard, a core... Read More about Resolving the Decreased Rank Attack in RPL’s IoT Networks.

A New Scalable Distributed Homomorphic Encryption Scheme for High Computational Complexity Models (2023)
Presentation / Conference Contribution
Almaini, A., Folz, J., Woelfl, D., Al-Dubai, A., Schramm, M., & Heigl, M. (2023, June). A New Scalable Distributed Homomorphic Encryption Scheme for High Computational Complexity Models. Presented at International Wireless Communications & Mobile Computing Conference (IWCMC 2023), Marrakesh, Morocco

Due to the increasing privacy demand in data processing, Fully Homomorphic Encryption (FHE) has recently received growing attention for its ability to perform calculations over encrypted data. Since the data can be processed in encrypted form and the... Read More about A New Scalable Distributed Homomorphic Encryption Scheme for High Computational Complexity Models.

A Novel Autonomous Time-Slotted LoRa MAC Protocol with Adaptive Frame Sizes (2023)
Presentation / Conference Contribution
Alahamadi, H., Bouabdallah, F., Al-Dubai, A., & Ghaleb, B. (2023, June). A Novel Autonomous Time-Slotted LoRa MAC Protocol with Adaptive Frame Sizes. Presented at International Wireless Communications & Mobile Computing Conference (IWCMC 2023), Marrakesh, Morocco

Time-Slotted Medium Access Control protocols bring advantages to the scalability of LoRa networks as an alternative to the ALOHA access method. However, such Time-Slotted protocols require nodes synchronization and schedules dissemination under strin... Read More about A Novel Autonomous Time-Slotted LoRa MAC Protocol with Adaptive Frame Sizes.

Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher (2022)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., Buchanan, W. J., & Lo, O. (2022, January). Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher. Presented at 2022 IEEE 6th International Conference on Cryptography, Security and Privacy (CSP 2022), Tianjin, China

Lightweight cryptography is a novel diversion from conventional cryptography that targets internet-of-things (IoT) platform due to resource constraints. In comparison, it offers smaller cryptographic primitives such as shorter key sizes, block sizes... Read More about Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher.

A Lightweight and User-centric Two-factor Authentication Mechanism for IoT Based on Blockchain and Smart Contract (2022)
Presentation / Conference Contribution
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Liu, X. (2022, May). A Lightweight and User-centric Two-factor Authentication Mechanism for IoT Based on Blockchain and Smart Contract. Presented at 2022 2nd International Conference of Smart Systems and Emerging Technologies (SMARTTECH), Riyadh, Saudi Arabia

Two-factor authentication (2FA) is commonly used in Internet of Things (IoT) authentication to provide multi-layer protection. Tokens, often known as One-Time Passwords (OTP), are used to offer additional information. While this technique provides fl... Read More about A Lightweight and User-centric Two-factor Authentication Mechanism for IoT Based on Blockchain and Smart Contract.

Sensitivity-Aware Configurations for High Packet Generation Rate LoRa Networks (2022)
Presentation / Conference Contribution
Alahmadi, H., Bouabdallah, F., Ghaleb, B., & Al-Dubai, A. (2021, December). Sensitivity-Aware Configurations for High Packet Generation Rate LoRa Networks. Presented at 20th International Conference on Computer and Information Technology (CIT-2021), London

In this paper, we introduce Sensitivity-Aware LoRa Configuration (SAL), a new algorithm for efficient autonomous and distributed selection of LoRa physical layer transmission parameters. The aim is to address the limitations of the currently adopted... Read More about Sensitivity-Aware Configurations for High Packet Generation Rate LoRa Networks.

Internet of Things: Concept, Implementation and Challenges (2022)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., & Buchanan, W. J. (2020, December). Internet of Things: Concept, Implementation and Challenges. Presented at International Conference on IoT and its Applications (ICIA) 2020, Jamshedpur, India

Through the technical advancements over five generations, today's digital communication has become much smarter, more intelligent and punctual. This causes a massive amount of continuous data collection in real-time whose analytics are later used to... Read More about Internet of Things: Concept, Implementation and Challenges.

Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates (2022)
Presentation / Conference Contribution
Abubakar, M., McCarron, P., Jaroucheh, Z., Al Dubai, A., & Buchanan, B. (2021, December). Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates. Presented at 2021 14th International Conference on Security of Information and Networks (SIN), Edinburgh

The COVID-19 pandemic has recently emerged as a worldwide health emergency that necessitates coordinated international measures. To contain the virus's spread, governments and health organisations raced to develop vaccines that would lower Covid-19 m... Read More about Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates.

Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems (2021)
Presentation / Conference Contribution
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Buchanan, W. (2021, October). Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems. Presented at 2021 5th Cyber Security in Networking Conference (CSNet), Abu Dhabi, United Arab Emirates

The Session Initiation Protocol (SIP) is the principal signalling protocol in Voice over IP (VoIP) systems, responsible for initialising, terminating, and maintaining sessions amongst call parties. However, the problem with the SIP protocol is that i... Read More about Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems.

A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data (2021)
Presentation / Conference Contribution
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Buchanan, W. J. (2021, August). A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data. Presented at 2021 IEEE International Conference on Omni-Layer Intelligent Systems (COINS), Barcelona, Spain

Recent years have seen an increase in medical big data, which can be attributed to a paradigm shift experienced in medical data sharing induced by the growth of medical technology and the Internet of Things. The evidence of this potential has been pr... Read More about A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data.

A New Annulus-based Distribution Algorithm for Scalable IoT-driven LoRa Networks (2021)
Presentation / Conference Contribution
Alahmadi, H., Bouabdallah, F., & Al-Dubai, A. (2021, June). A New Annulus-based Distribution Algorithm for Scalable IoT-driven LoRa Networks. Presented at IEEE International Conference on Communications (IEEE ICC 2021), Montreal, Canada

Long-Range (LoRa) has been a major avenue for deploying the Internet of Things (IoT) in large scale environments due to its long-scale connection, energy efficiency, and cost-effectiveness. LoRa networks provide multiple configurable transmission par... Read More about A New Annulus-based Distribution Algorithm for Scalable IoT-driven LoRa Networks.

Blockchain-based identity and authentication scheme for MQTT protocol (2021)
Presentation / Conference Contribution
Abdelrazig Abubakar, M., Jaroucheh, Z., Al-Dubai, A., & Liu, X. (2021, March). Blockchain-based identity and authentication scheme for MQTT protocol. Presented at ICBCT '21: 2021 The 3rd International Conference on Blockchain Technology, Shanghai, China

The publish and subscribe messaging model has proven itself as a dominant messaging paradigm for IoT systems. An example of such is the commonly used Message Queuing Telemetry Transport (MQTT) protocol. However, the security concerns with this protoc... Read More about Blockchain-based identity and authentication scheme for MQTT protocol.

Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT (2021)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., Buchanan, W. J., & Lo, O. (2021). Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT. In 10th International Conference on Cryptography and Information Security (CRYPIS 2021) (185-205)

Side-channel attacks are an unpredictable risk factor in cryptography. Therefore, continuous observations of physical leakages are essential to minimise vulnerabilities associated with cryptographic functions. Lightweight cryptography is a novel appr... Read More about Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT.

PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism (2020)
Presentation / Conference Contribution
Abubakar, M. A., Jaroucheh, Z., Al-Dubai, A., & Buchanan, B. (2020, November). PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism. Presented at 4th International Conference on Vision, Image and Signal Processing, Newcastle, UK

The original consensus algorithm - Proof of Work (PoW) has been widely utilized in the blockchain systems and is been adopted by many cryptocurrencies, such as Bitcoin and Ethereum, among many others. Nevertheless, the concept has received criticisms... Read More about PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism.