Academia

Invited Talks & Posters

High Throughput Lattice-based Signatures on GPUs: Comparing Falcon and Mitaka
- Talk in the Brainlink X-Lab Day 2024 workshop Security, Privacy, and Trust in AI
Quantum-Safe HIBE: Does It Cost a Latte?
- Seminar in the Macquarie University Cyber Security Hub

Securing Communications in the Post-Quantum Era
- Raymond K. Zhao, Sara Jafarbeiki
- Tutorial at AsiaCCS 2023
Scalable and Efficient Hybrid QKD with Post-quantum Authentications
- Raymond K. Zhao, Dongxi Liu, Josef Pieprzyk
- Poster at Quantum Australia 2023

MAGNET: MAsked Gaussian Now Efficient and Table-less
- Mert Yassi, Soundes Marzougui, Raymond K. Zhao, Muhammed F. Esgin, Amin Sakzad, Ron Steinfeld
- To appear in CHES 2026
- Preprint
When Security Meets Usability: An Empirical Investigation of Post-Quantum Cryptography APIs
- Marthin Toruan, R.D.N. Shakya, Samuel Tseitkin, Raymond K. Zhao, Nalin Arachchilage
- USEC 2026

Pegasus and PegaRing: Efficient (Ring) Signatures from Sigma-Protocols for Power Residue PRFs with (Q)ROM Security
- Xinyu Zhang, Ziyi Li, Ron Steinfeld, Raymond K. Zhao, Joseph K. Liu, Tsz Hon Yuen
- Preprint
- Source Code
Nosy Layers, Noisy Fixes: Tackling DRAs in Federated Learning Systems using Explainable AI
- Meghali Nandi, Arash Shaghaghi, Nazatul H. Sultan, Gustavo Batista, Raymond K. Zhao, Sanjay Jha
- AsiaCCS 2025
Enabling Quantum-Resistant EDHOC: Design and Performance Evaluation
- Lidia Pocero Fraile, Georgios Tasopoulos, Christos Koulamas, Raymond K. Zhao, Nazatul H. Sultan, Francesco Regazzoni, Apostolos P. Fournaris
- IEEE Access

MIKA: A Minimalist Approach to Hybrid Key Exchange
- Raymond K. Zhao, Nazatul H. Sultan, Phillip Yialeloglou, Dongxi Liu, David Liebowitz, Josef Pieprzyk
- PST 2024
- Source Code
LUNA: Quasi-Optimally Succinct Designated-Verifier Zero-Knowledge Arguments from Lattices
- Ron Steinfeld, Amin Sakzad, Muhammed F. Esgin, Veronika Kuchta, Mert Yassi, Raymond K. Zhao
- CCS 2024
High Throughput Lattice-based Signatures on GPUs: Comparing Falcon and Mitaka
- Wai-Kong Lee, Raymond K. Zhao, Ron Steinfeld, Amin Sakzad, Seong Oun Hwang
- IEEE Transactions on Parallel and Distributed Systems
Quantum-safe HIBE: does it cost a Latte?
- Raymond K. Zhao, Sarah McCarthy, Ron Steinfeld, Amin Sakzad, Máire O’Neill
- IEEE Transactions on Information Forensics and Security
- Full Version
- Source Code
Quantum Key Distribution
- Jiafan Wang, Raymond Zhao, Dongxi Liu
- Australian patent 2024901225
- Source Code

A New Look at Blockchain Leader Election: Simple, Efficient, Sustainable and Post-Quantum
- Muhammed F. Esgin, Oguzhan Ersoy, Veronika Kuchta, Julian Loss, Amin Sakzad, Ron Steinfeld, Wayne Yang, Raymond K. Zhao
- AsiaCCS 2023
- Source Code
Energy Consumption Evaluation of Post-Quantum TLS 1.3 for Resource-Constrained Embedded Devices
- George Tasopoulos, Charis Dimopoulos, Apostolos P. Fournaris, Raymond K. Zhao, Amin Sakzad, Ron Steinfeld
- MAL-IoT 2023
eMLE-Sig 2.0: A Signature Scheme based on Embedded Multilayer Equations with Heavy Layer Randomization
- Dongxi Liu, Raymond K. Zhao
- Submitted to the NIST Post-Quantum Cryptography: Additional Digital Signature Schemes
- Submission Package
- Source Code