Publications
2027
2026
- Adaptive Special Soundness: A New Framework for Knowledge Extraction with Applications to Kilian’s Protocol
Thomas Attema, Michael Klooß, Russell W. F. Lai and Pavlo Yatsyna
ASIACRYPT 2026
- RoKoko: Lattice-based Succinct Arguments, a Committed Refinement
Michael Klooß, Russell W. F. Lai, Ngoc Khanh Nguyen, Michał Osadnik and Lorenzo Tucci
ASIACRYPT 2026
- Hardness of Hinted ISIS from the Space-Time Hardness of Lattice Problems
Martin R. Albrecht, Russell W. F. Lai and Eamonn W. Postlethwaite
CRYPTO 2026
- Blind Signatures from Arguments of Inequality
Michael Klooß, Russell W. F. Lai and Michael Reichle
CRYPTO 2026
- Scalable Registration-Based Encryption from Lattices
Michael Klooß, Russell W. F. Lai, Jan Niklas Siemer and Monisha Swarnakar
IEEE S&P 2026
- Look Ahead! Practical CCA-Secure Steganography: Cover-Source Switching Meets Lattice Gaussian Sampling
Russell W. F. Lai, Ivy K. Y. Woo and Hoover H. F. Yin
EUROCRYPT 2026
- A Gaussian Leftover Hash Lemma for Modules over Number Fields
Martin R. Albrecht, Joël Felderhoff, Russell W. F. Lai, Oleksandra Lapiha and Ivy K. Y. Woo
EUROCRYPT 2026
- Pairing-Based Functional Commitments for Circuits with Shorter Parameters
David Balbás, Dario Fiore and Russell W. F. Lai
PKC 2026
- Lattice-based Secret-Key Functional Encryption for Constant-Degree Polynomials
Valerio Cini, Russell W. F. Lai, Akin Ünal and Ivy K. Y. Woo
Preprint 2026
2025
- Pilvi: Lattice Threshold PKE with Small Decryption Shares and Improved Security
Valerio Cini, Russell W. F. Lai and Ivy K. Y. Woo
ASIACRYPT 2025
- RoK and Roll - Verifier-Efficient Random Projection for Õ(λ)-Size Lattice Arguments
Michael Klooß, Russell W. F. Lai, Ngoc Khanh Nguyen and Michal Osadnik
ASIACRYPT 2025
- Partial Lattice Trapdoors: How to Split Lattice Trapdoors, Literally
Martin R. Albrecht, Russell W. F. Lai, Oleksandra Lapiha and Ivy K. Y. Woo
ASIACRYPT 2025
- Lattice-Based Obfuscation from NTRU and Equivocal LWE
Valerio Cini, Russell W. F. Lai and Ivy K. Y. Woo
CRYPTO 2025
- Hollow LWE: A New Spin - Unbounded Updatable Encryption from LWE and PCE
Martin R. Albrecht, Benjamin Benčina and Russell W. F. Lai
EUROCRYPT 2025
- Vanishing Short Integer Solution, Revisited - Reductions, Trapdoors, Homomorphic Signatures for Low-Degree Polynomials
Kalle Jyrkinen and Russell W. F. Lai
PKC 2025
- Lattice-Based Proof-Friendly Signatures from Vanishing Short Integer Solutions
Adrien Dubois, Michael Klooß, Russell W. F. Lai and Ivy K. Y. Woo
PKC 2025
- Ringtail: Practical Two-Round Threshold Signatures from Learning with Errors
Cecilia Boschini, Darya Kaviani, Russell W. F. Lai, Giulio Malavolta, Akira Takahashi and Mehdi Tibouchi
IEEE S&P 2025
- Papercraft: Lattice-Based Verifiable Delay Function Implemented
Michal Osadnik, Darya Kaviani, Valerio Cini, Russell W. F. Lai and Giulio Malavolta
IEEE S&P 2025
- SALSAA – Sumcheck-Aided Lattice-based Succinct Arguments and Applications
Shuto Kuriyama, Russell W. F. Lai, Michał Osadnik and Lorenzo Tucci
Preprint 2025
2024
2023
- Chainable Functional Commitments for Unbounded-Depth Circuits
David Balbás, Dario Catalano, Dario Fiore and Russell W. F. Lai
TCC 2023
- On Provable White-Box Security in the Strong Incompressibility Model
Estuardo Alpirez Bock, Chris Brzuska and Russell W. F. Lai
TCHES 2023
- Lattice-Based Timed Cryptography
Russell W. F. Lai and Giulio Malavolta
CRYPTO 2023
- Lattice-Based Succinct Arguments from Vanishing Polynomials
Valerio Cini, Russell W. F. Lai and Giulio Malavolta
CRYPTO 2023
- On Sustainable Ring-Based Anonymous Systems
Sherman S. M. Chow, Christoph Egger, Russell W. F. Lai, Viktoria Ronge and Ivy K. Y. Woo
IEEE CSF 2023
- Efficient Laconic Cryptography from Learning with Errors
Nico Döttling, Dimitris Kolonelos, Russell W. F. Lai, Chuanwei Lin, Giulio Malavolta and Ahmadreza Rahimi
EUROCRYPT 2023
2022
2021
2020
2019
- Succinct Arguments for Bilinear Group Arithmetic: Practical Structure-Preserving Cryptography
Russell W. F. Lai, Giulio Malavolta and Viktoria Ronge
ACM CCS 2019
- Omniring: Scaling Private Payments Without Trusted Setup
Russell W. F. Lai, Viktoria Ronge, Tim Ruffing, Dominique Schröder, Sri Aravinda Krishnan Thyagarajan and Jiafan Wang
ACM CCS 2019
- Subvector Commitments with Application to Succinct Arguments
Russell W. F. Lai and Giulio Malavolta
CRYPTO 2019
- Incremental Proofs of Sequential Work
Nico Döttling, Russell W. F. Lai and Giulio Malavolta
EUROCRYPT 2019
- Efficient Invisible and Unlinkable Sanitizable Signatures
Xavier Bultel, Pascal Lafourcade, Russell W. F. Lai, Giulio Malavolta, Dominique Schröder and Sri Aravinda Krishnan Thyagarajan
PKC 2019
2018
2017
2016