6 results

Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates

Conference Proceeding
Abubakar, M., McCarron, P., Jaroucheh, Z., Al Dubai, A., & Buchanan, B. (2022)
Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates. In 2021 14th International Conference on Security of Information and Networks (SIN). https://doi.org/10.1109/SIN54109.2021.9699221
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...

Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems

Conference Proceeding
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Buchanan, W. (2021)
Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems. In 2021 5th Cyber Security in Networking Conference (CSNet). https://doi.org/10.1109/csnet52717.2021.9614646
The Session Initiation Protocol (SIP) is the principal signalling protocol in Voice over IP (VoIP) systems, responsible for initialising, terminating, and maintaining sessions...

A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data

Conference Proceeding
Abubakar, M., Jaroucheh, Z., Al Dubai, A., & Buchanan, W. J. (2021)
A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data. In 2021 IEEE International Conference on Omni-Layer Intelligent Systems (COINS). https://doi.org/10.1109/coins51742.2021.9524172
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 techno...

Blockchain-based identity and authentication scheme for MQTT protocol

Conference Proceeding
Abdelrazig Abubakar, M., Jaroucheh, Z., Al-Dubai, A., & Liu, X. (2021)
Blockchain-based identity and authentication scheme for MQTT protocol. In ICBCT '21: 2021 The 3rd International Conference on Blockchain Technology (73-81). https://doi.org/10.1145/3460537.3460549
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...

PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism

Conference Proceeding
Abubakar, M. A., Jaroucheh, Z., Al-Dubai, A., & Buchanan, B. (2020)
PoNW: A Secure and Scalable Proof-of-Notarized-Work-Based Consensus Mechanism. In ICVISP 2020: Proceedings of the 2020 4th International Conference on Vision, Image and Signal Processing (1-8). https://doi.org/10.1145/3448823.3448875
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 Eth...

PoNW: A Secure and Scalable Proof-of-Notarized-Work Based Consensus Mechanism

Conference Proceeding
Abubakar, M., Jaroucheh, Z., Al-Dubai, A., & Buchanan, W. (2020)
PoNW: A Secure and Scalable Proof-of-Notarized-Work Based Consensus Mechanism. In ICVISP 2020: Proceedings of the 2020 4th International Conference on Vision, Image and Signal Processing. https://doi.org/10.1145/3448823.3448875
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 Ether...