ILIA ILIASHENKO (Илья Ильяшенко)
I am a research engineer at Ciphermode Labs. My research interests lie at the intersection of cryptography and computational number theory focusing on secure computation methods. More precisely, I study homomorphic encryption schemes based on Euclidean lattices and their application to data privacy.
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Preprints
FINAL: Faster FHE instantiated with NTRU and LWE
with Charlotte Bonte, Jeongeun Park, Hilder V. L. Pereira and Nigel P. Smart,
2022
Publications
Homomorphically counting elements with the same property
with Malika Izabachène, Axel Mertens and Hilder V. L. Pereira.
Proceedings of PoPETS 2021, 2021.
video
When HEAAN Meets FV: a New Somewhat Homomorphic Encryption
with Reduced Memory Overhead
with Hao Chen and Kim Laine,
Proceedings of IMA CC 2021, pp 265-285, 2021.
slides
Integer Functions Suitable for Homomorphic Encryption over Finite Fields
with Christophe Nègre and Vincent Zucca,
Proceedings of WAHC 2021, pp. 1-10, 2021.
slides
Labeled PSI from Homomorphic Encryption
with Reduced Computation and Communication
with Kelong Cong, Radames Cruz Moreno, Mariana Botelho da Gama,
Wei Dai, Kim Laine and Michael Rosenberg,
Proceedings of ACM CCS 2021, pp. 1135-1150, 2021.
slides
Faster homomorphic comparison operations for BGV and BFV
with Vincent Zucca,
Proceedings of PoPETS 2021, pp. 246-264, 2021.
slides video
Homomorphic string search with constant multiplicative depth
with Charlotte Bonte,
Proceedings of ACM CCSW 2020, pp. 105-117, 2020.
slides video
Efficiently Processing Complex-valued Data in Homomorphic Encryption
with Carl Bootland, Wouter Castryck and Frederik Vercauteren,
Journal of Mathematical Cryptology 14(1, Special Issue MATHCRYPT 2018): pp. 55-65, 2020.
slides video
Homomorphic SIM2D Operations: Single Instruction Much More Data
with Wouter Castryck and Frederik Vercauteren,
Proceedings of EUROCRYPT 2018,
Lecture Notes in Computer Science vol. 10820, pp. 338-359, 2018.
slides
Faster Homomorphic Function Evaluation Using Non-integral Base Encoding
with Charlotte Bonte, Carl Bootland, Joppe W. Bos, Wouter Castryck and Frederik Vercauteren,
Proceedings of CHES 2017,
Lecture Notes in Computer Science vol. 10529, pp. 579-600, 2017.
slides video
Privacy-friendly Forecasting for the Smart Grid Using Homomorphic Encryption and the Group Method of Data Handling
with Joppe W. Bos, Wouter Castryck and Frederik Vercauteren,
Proceedings of AFRICACRYPT 2017,
Lecture Notes in Computer Science vol. 10239, pp. 184-201, 2017.
slides
On Error Distributions in Ring-based LWE
with Wouter Castryck and Frederik Vercauteren,
Proceedings of ANTS XII,
LMS Journal of Computation and Mathematics 19, A, pp. 130-145, 2016.
slides
Provably Weak Instances of Ring-LWE Revisited
with Wouter Castryck and Frederik Vercauteren,
Proceedings of EUROCRYPT 2016,
Lecture Notes in Computer Science vol. 9665, pp. 147-167, 2016.
slides video
PhD Thesis
Optimisations of fully homomorphic encryption
supervised by Prof. dr. ir. Bart Preneel and Prof. dr. ir. Frederik Vercauteren,
KU Leuven, May 2019.
Other activities
FINAL library
The implementation of the FINAL fully homomorphic encryption scheme based on the LWE and NTRU problems.
FHE graph
The map of the most influential papers and software libraries in the field of fully and somewhat homomorphic encryption.
Microsoft SEAL
SEAL is a C++ library realizing several homomorphic encryption schemes. My contribution to SEAL consists in the implementation of the HEAAN scheme.