Efficient FHEW bootstrapping with small evaluation keys, and applications to threshold homomorphic encryption

Y Lee, D Micciancio, A Kim, R Choi, M Deryabin… - … Conference on the …, 2023 - Springer
There are two competing approaches to bootstrap the FHEW fully homomorphic encryption
scheme (Ducas and Micciancio, Eurocrypt 2015) and its variants: the original AP/FHEW …

Simpler and faster BFV bootstrapping for arbitrary plaintext modulus from CKKS

J Kim, J Seo, Y Song - Proceedings of the 2024 on ACM SIGSAC …, 2024 - dl.acm.org
Bootstrapping is currently the only known method for constructing fully homomorphic
encryptions. In the BFV scheme specifically, bootstrapping aims to reduce the error of a …

HEDA: multi-attribute unbounded aggregation over homomorphically encrypted database

X Ren, L Su, Z Gu, S Wang, F Li, Y Xie, S Bian… - Proceedings of the …, 2022 - dl.acm.org
Recent years have witnessed the rapid development of the encrypted database, due to the
increasing number of data privacy breaches and the corresponding laws and regulations …

Meta-bts: Bootstrapping precision beyond the limit

Y Bae, JH Cheon, W Cho, J Kim, T Kim - Proceedings of the 2022 ACM …, 2022 - dl.acm.org
Bootstrapping, which enables the full homomorphic encryption scheme that can perform an
infinite number of operations by restoring the modulus of the ciphertext with a small …

Security guidelines for implementing homomorphic encryption

JP Bossuat, R Cammarota, I Chillotti… - Cryptology ePrint …, 2024 - eprint.iacr.org
Abstract Fully Homomorphic Encryption (FHE) is a cryptographic primitive that allows
performing arbitrary operations on encrypted data. Since the conception of the idea in …

Veritas: Plaintext encoders for practical verifiable homomorphic encryption

S Chatel, C Knabenhans, A Pyrgelis… - Proceedings of the …, 2024 - dl.acm.org
Homomorphic encryption has become a practical solution for protecting the privacy of
computations on sensitive data. However, existing homomorphic encryption pipelines do not …

Bootstrapping for BGV and BFV Revisited

R Geelen, F Vercauteren - Journal of Cryptology, 2023 - Springer
We unify the state-of-the-art bootstrapping algorithms for BGV and BFV in a single
framework and show that both schemes can be bootstrapped with identical complexity. This …

Fast blind rotation for bootstrapping FHEs

B Xiang, J Zhang, Y Deng, Y Dai, D Feng - Annual International …, 2023 - Springer
Blind rotation is one of the key techniques to construct fully homomorphic encryptions with
the best known bootstrapping algorithms running in less than one second. Currently, the two …

Pelta-shielding multiparty-FHE against malicious adversaries

S Chatel, C Mouchet, AU Sahin, A Pyrgelis… - Proceedings of the …, 2023 - dl.acm.org
Multiparty fully homomorphic encryption (MFHE) schemes enable multiple parties to
efficiently compute functions on their sensitive data while retaining confidentiality. However …

Accelerating polynomial multiplication for homomorphic encryption on GPUs

K Shivdikar, G Jonatan, E Mora… - … on Secure and …, 2022 - ieeexplore.ieee.org
Homomorphic Encryption (HE) enables users to securely outsource both the storage and
computation of sensitive data to untrusted servers. Not only does HE offer an attractive …