ORCID Profile
0000-0001-8006-7392
Current Organisations
Monash University
,
National University of Singapore
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Computer Software | Computer System Security | Data Format not elsewhere classified |
Emerging Defence Technologies | Expanding Knowledge in the Information and Computing Sciences | Computer Software and Services not elsewhere classified | Expanding Knowledge in Technology
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 2021
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 09-2018
Publisher: Springer International Publishing
Date: 2019
Publisher: Springer International Publishing
Date: 2022
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 08-2019
Publisher: Springer International Publishing
Date: 2020
Publisher: No publisher found
Date: 2021
Publisher: IEEE
Date: 08-2022
Publisher: IEEE
Date: 03-05-2021
Publisher: Association for Computing Machinery (ACM)
Date: 26-02-2019
DOI: 10.1145/3301305
Abstract: Software-defined networking (SDN) decouples the control and data planes of traditional networks, logically centralizing the functional properties of the network in the SDN controller. While this centralization brought advantages such as a faster pace of innovation, it also disrupted some of the natural defenses of traditional architectures against different threats. The literature on SDN has mostly been concerned with the functional side, despite some specific works concerning non-functional properties such as security or dependability. Though addressing the latter in an ad-hoc, piecemeal way may work, it will most likely lead to efficiency and effectiveness problems. We claim that the enforcement of non-functional properties as a pillar of SDN robustness calls for a systemic approach. We further advocate, for its materialization, the reiteration of the successful formula behind SDN: ‘logical centralization’. As a general concept, we propose anchor , a subsystem architecture that promotes the logical centralization of non-functional properties. To show the effectiveness of the concept, we focus on security in this article: we identify the current security gaps in SDNs and we populate the architecture middleware with the appropriate security mechanisms in a global and consistent manner. Essential security mechanisms provided by anchor include reliable entropy and resilient pseudo-random generators, and protocols for secure registration and association of SDN devices. We claim and justify in the article that centralizing such mechanisms is key for their effectiveness by allowing us to define and enforce global policies for those properties reduce the complexity of controllers and forwarding devices ensure higher levels of robustness for critical services foster interoperability of the non-functional property enforcement mechanisms and promote the security and resilience of the architecture itself. We discuss design and implementation aspects, and we prove and evaluate our algorithms and mechanisms, including the formalisation of the main protocols and the verification of their core security properties using the T amarin prover.
Publisher: Springer Berlin Heidelberg
Date: 2021
Publisher: Elsevier
Date: 2017
Publisher: IEEE
Date: 05-2023
Publisher: Oxford University Press (OUP)
Date: 15-06-2021
Publisher: Springer International Publishing
Date: 2020
Publisher: ACM
Date: 21-10-2019
Publisher: No publisher found
Date: 2020
Publisher: No publisher found
Date: 2019
Publisher: Elsevier BV
Date: 11-2019
Publisher: Springer International Publishing
Date: 2020
Publisher: No publisher found
Date: 2018
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 12-2014
Publisher: IEEE
Date: 03-2022
Publisher: No publisher found
Date: 2020
Publisher: IEEE
Date: 06-2023
Publisher: ACM
Date: 19-04-2021
Publisher: Springer International Publishing
Date: 2022
Publisher: IEEE
Date: 12-2021
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 2022
Publisher: No publisher found
Date: 2020
Publisher: MDPI AG
Date: 02-09-2013
DOI: 10.3390/EN6094551
Publisher: Springer Nature Switzerland
Date: 2022
Publisher: IEEE
Date: 08-2017
DOI: 10.1109/CSF.2017.21
Publisher: IEEE
Date: 03-05-2021
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 02-2013
Publisher: Association for Computing Machinery (ACM)
Date: 02-03-2023
DOI: 10.1145/3572771
Abstract: Blockchain technology provides efficient and secure solutions to various online activities by utilizing a wide range of cryptographic tools. In this article, we survey the existing literature on post-quantum secure digital signatures that possess exotic advanced features and that are crucial cryptographic tools used in the blockchain ecosystem for (1) account management, (2) consensus efficiency, (3) empowering scriptless blockchain, and (4) privacy. The exotic signatures that we particularly focus on in this work are the following: multi-/aggregate, threshold, adaptor, blind, and ring signatures. Herein the term ”exotic” refers to signatures with properties that are not just beyond the norm for signatures, e.g., unforgeability, but also imbue new forms of functionalities. Our treatment of such exotic signatures includes discussions on existing challenges and future research directions in the post-quantum space. We hope that this article will help to foster further research to make post-quantum cryptography more accessible so that blockchain systems can be made ready in advance of the approaching quantum threats.
Publisher: IEEE
Date: 09-2021
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 15-08-2022
Publisher: ACM
Date: 19-09-2022
Publisher: Association for Computing Machinery (ACM)
Date: 03-03-2023
DOI: 10.1145/3576899
Abstract: Limitations on high latency and low scalability of classical blockchain systems retard their adoptions and applications. Reconstructed blockchain systems have been proposed to avoid the consumption of competitive transactions caused by linear sequenced blocks. These systems, instead, structure transactions/blocks in the form of Directed Acyclic Graph (DAG) and consequently rebuild upper layer components. The promise of DAG-based blockchain systems is to enable fast confirmation (complete transactions within million seconds) and high scalability (attach transactions in parallel) without significantly compromising security. However, this field still lacks systematic work that summarises DAG techniques. To bridge the gap, this Systematization of Knowledge (SoK) provides a comprehensive analysis of ever-existing and ongoing DAG-based blockchain systems. We abstract a general model to capture the main features and identify six types of design patterns. Then, we evaluate these systems from the perspectives of structure, consensus, property, security, and performance. We further discuss the trade-off between different factors, open challenges, and the potentiality of DAG-based solutions, indicating their promising directions for future research.
Publisher: KSI Research Inc.
Date: 07-2022
Publisher: Springer International Publishing
Date: 2022
Publisher: IEEE
Date: 12-2021
Publisher: No publisher found
Date: 2021
Publisher: No publisher found
Date: 2022
Publisher: Springer International Publishing
Date: 2020
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 03-2023
Publisher: ACM
Date: 24-05-2021
Publisher: Springer International Publishing
Date: 2017
Publisher: No publisher found
Date: 2019
Publisher: IEEE
Date: 06-2019
Publisher: Elsevier BV
Date: 2023
Publisher: IEEE
Date: 07-2022
Publisher: No publisher found
Date: 2021
Publisher: Springer International Publishing
Date: 2020
Publisher: IEEE
Date: 06-2023
Publisher: Springer International Publishing
Date: 2019
Publisher: IEEE
Date: 04-2023
Publisher: IEEE
Date: 08-2017
Publisher: No publisher found
Date: 2022
Publisher: Springer International Publishing
Date: 2019
Publisher: No publisher found
Date: 2020
Publisher: No publisher found
Date: 2019
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 11-2020
Publisher: IEEE
Date: 10-2019
Publisher: Springer International Publishing
Date: 2020
Publisher: No publisher found
Date: 2022
Publisher: IEEE
Date: 05-2023
Publisher: IEEE
Date: 06-2012
Publisher: IEEE
Date: 05-2023
Publisher: No publisher found
Date: 2019
Publisher: Oxford University Press (OUP)
Date: 20-07-2016
Publisher: IEEE
Date: 03-05-2021
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 2018
Publisher: No publisher found
Date: 2020
Publisher: Springer International Publishing
Date: 2020
Publisher: IEEE
Date: 08-2019
Publisher: Springer International Publishing
Date: 2022
Publisher: Springer International Publishing
Date: 2015
Publisher: ACM
Date: 02-07-2019
Location: Indonesia
Location: United Kingdom of Great Britain and Northern Ireland
Start Date: 05-2023
End Date: 05-2026
Amount: $330,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 07-2021
End Date: 07-2024
Amount: $408,000.00
Funder: Australian Research Council
View Funded Activity