FHE.org digest #23
Latest news from the FHE.org community.
🎉 FHE.org 2025 Conference in Sofia
We recently announced our Call for Presentations for the next FHE.org conference happening on March 25th, 2025, in Sofia. Feel free to submit a 2-4 page PDF description of any interesting talks, use-cases, demos, or tutorials, around FHE. PhD students are encouraged to submit interesting works-in-progress!
If you’d like to register, use https://fhe.org/2025/register. For students, reach out to us at contact@fhe.org from your academic email address and let us know you’d like to attend to apply for waiving your registration fees.
For organizations interested in showing their support alongside the list of annual sponsors for the conference, reach out to contact@fhe.org. See last year’s sponsors page for a list of previous sponsors.
🍂 Upcoming Autumn Meetups
⚠️ We’ve had a last minute schedule change for Dan Boneh’s meetup. It will now be Dec 5th, 6PM CEST. Please update your calendars accordingly!
Don’t miss the meetup, Recent Developments in SNARKS and their connection to FHE w/ Dan Boneh, a Professor at Stanford University.
Other upcoming meetups by various presenters include:
A fast heuristic for mapping Boolean circuits to functional bootstrapping
and more!
Make sure to subscribe to the Meetup page to get notifications of all future FHE.org Meetups as they are scheduled.
Got a paper or presentation you think the community might be interested in or would make a good meetup? Get in touch at contact@fhe.org
🎓 Academic Conferences
There were several academic conferences which took place, or were announced, since our last digest:
There were several sessions on FHE-based work at the latest ACM Conference on Computer and Communications Security (CCS) held in Salt Lake City, USA
VERITAS: Plaintext Encoders for Practical Verifiable Homomorphic Encryption by Sylvain Chatel, Christian Knabenhans, Apostolos Pyrgelis, Carmela Troncoso, and Jean-Pierre Hubaux
Fast and Accurate Homomorphic Softmax Evaluation by Wonhee Cho, Guillaume Hanrot, Taeseong Kim, Minje Park and Damien Stehlé
ArcEDB: An Arbitrary-Precision Encrypted Database via (Amortized) Modular Homomorphic Encryption by Zhou Zhang, Song Bian, Zian Zhao, Ran Mao, Haoyi Zhou, Jiafeng Hua, Yier Jin and Zhenyu Guan
Two-Tier Data Packing in RLWE-based Homomorphic Encryption for Secure Federated Learning by Yufei Zhou, Peijia Zheng, Xiaochun Cao, and Jiwu Huang
DPad-HE: Towards Hardware-friendly Homomorphic Evaluation using 4-Directional Manipulation by Wenxu Tang, Fangyu Zheng, Guang Fan, Tian Zhou, Jingqiang Lin, and Jiwu Jing
Rhombus: Fast Homomorphic Matrix-Vector Multiplication for Secure Two-Party Inference by Jiaxing He, Kang Yang, Guofeng Tang, Zhangjie Huang, Li Lin, Changzheng Wei, Ying Yan, and Wei Wang
ThorPIR: Single Server PIR via Homomorphic Thorp Shuffles by Ben Fisch, Arthur Lazzaretti, Zeyu Liu, and Charalampos Papamanthou
New Secret Keys for Enhanced Performance in (T)FHE by Loris Bergerat, Ilaria Chillotti, Damien Ligier, Jean-Baptiste Orfila, Adeline Roux-Langlois, and Samuel Tap
Faster FHE-based Single-server Private Information Retrieval by Ming Luo, Feng-Hao Liu, and Han Wang
Attacks Against the IND-CPA^D Security of Exact FHE Schemes by Jung Hee Cheon, Hyeongmin Choe, Alain Passelègue, Damien Stehlé, and Elias Suvanto
NeuJeans: Private Neural Network Inference with Joint Optimization of Convolution and FHE Bootstrapping by Jae Hyung Ju, Jaiyoung Park, Jongmin Kim, Minsik Kang, Donghwan Kim, Jung Hee Cheon, and Jung Ho Ahn
Slides from the latest Workshop on Encrypted Computing & Applied Homomorphic Cryptography are available on the webpage. Accepted papers included:
Time-Memory Trade-off Algorithms for Homomorphically Evaluating Look-up Table in TFHE by Shintaro Narisada, Hiroki Okada, Kazuhide Fukushima, and Takashi Nishide
Training Encrypted Neural Networks on Encrypted Data with Fully Homomorphic Encryption by Luca Colombo, Alessandro Falcetta, and Manuel Roveri
On the Synthesis of High-performance Homomorphic Boolean Circuits by Mingfei Yu, Sergiu Carpov, Alessandro Tempia Calvino, and Giovanni De Micheli
Faster Homomorphic Evaluation of Arbitrary Bivariate Integer Functions via Homomorphic Linear Transformation by Akira Nakashima, Takuya Hayashi, Hikaru Tsuchida, Yukimasa Sugizaki, Kengo Mori, and Takashi Nishide
Security and Performance-Aware Cloud Computing with Homomorphic Encryption and Trusted Execution Environment by Ryutaro Onishi, Takuya Suzuki, Shunta Sakai, and Hayato Yamana
vFHE: Verifiable Fully Homomorphic Encryption by Christian Knabenhans, Alexander Viand, Antonio Merino-Gallardo, and Anwar Hithnawi
HEBridge: Connecting Arithmetic and Logic Operations in FV-style HE Schemes by Yancheng Zhang, Xun Chen, and Qian Lou
Oraqle: A Depth-Aware Secure Computation Compiler by Jelle Vos, Mauro Conti, and Zekeriya Erkin
Slides from the latest HomomorphicEncryption.org Standards Meeting, including those from their four working groups on: Security, Compilers & Tools, Use Cases & Benchmarking, and Hardware Interfaces are available on the event webpage
📰🕺 Latest updates from the FHE.org community.
Previous Meetups and Meet the Community interviews you may have missed:
059 Private and Secure Fuzzy Name Matching w/ Harsh Kasyap and Ugur Atmaca
060 Designing a General-Purpose 8-bit (T)FHE Processor Abstraction w/ Daphné Trama
061 Faster NTRU-based Bootstrapping in less than 4 ms w/ Zhihao Li
Resources and news:
“Combining Machine Learning and Homomorphic Encryption in the Apple Ecosystem" by Apple
“How would you explain homomorphic encryption?" by Craig Gentry
"Packing Matrix-Vector Multiplication in Fully Homomorphic Encryption" by Jeremy Kun
"Shift Networks" by Jeremy Kun
A poster presented at FHE.org 2023 “A Fast Convolution Algorithm for Accelerating Encrypted Domain Model Inference” has been added to the website, see the 2023 conference resources page. If you are the author of a missing conference resource, feel free to submit a pull request!
FHE.org Discord
Do you have an idea, something to share, a resource to add, or something you’d like to change about FHE.org? You can post any suggestions and proposals in the #meta channel on the FHE.org discord!
Are you a PhD student in cryptography? Join the discussion on our the dedicated #phd-students channel on the FHE.org discord: https://discord.fhe.org.
Interested in joining a reading group? We’ve just started a trial reading group in #reading-group. Introduce yourself there to get started!
Don’t forget that the FHE.org website is open source and that anyone can add resources by simply opening a PR on Github: https://github.com/FHE-org/fhe-org.github.io.
💙 FHE.org is an open-source community of researchers and developers interested in Fully Homomorphic Encryption (FHE), if you’d like to contribute, join the community:
👉 You think something is missing from this FHE.org digest? Help us craft the next one, join the discussion on Discord.