Openfhe: Open-source fully homomorphic encryption library

A Al Badawi, J Bates, F Bergamaschi… - proceedings of the 10th …, 2022 - dl.acm.org
Fully Homomorphic Encryption (FHE) is a powerful cryptographic primitive that enables
performing computations over encrypted data without having access to the secret key. We …

SHARP: A short-word hierarchical accelerator for robust and practical fully homomorphic encryption

J Kim, S Kim, J Choi, J Park, D Kim… - Proceedings of the 50th …, 2023 - dl.acm.org
Fully homomorphic encryption (FHE) is an emerging cryptographic technology that
guarantees the privacy of sensitive user data by enabling direct computations on encrypted …

Demystifying bootstrapping in fully homomorphic encryption

A Al Badawi, Y Polyakov - Cryptology ePrint Archive, 2023 - eprint.iacr.org
Bootstrapping is a term used very often in the context of Fully Homomorphic Encryption
(FHE). Anyone who is familiar with FHE knows that bootstrapping is the most sophisticated …

General bootstrapping approach for RLWE-based homomorphic encryption

A Kim, M Deryabin, J Eom, R Choi… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Homomorphic Encryption (HE) makes it possible to compute on encrypted data without
decryption. In lattice-based HE, a ciphertext contains noise, which accumulates along with …

He3db: An efficient and elastic encrypted database via arithmetic-and-logic fully homomorphic encryption

S Bian, Z Zhang, H Pan, R Mao, Z Zhao, Y Jin… - Proceedings of the …, 2023 - dl.acm.org
As concerns are increasingly raised about data privacy, encrypted database management
system (DBMS) based on fully homomorphic encryption (FHE) attracts increasing research …

BLEACH: cleaning errors in discrete computations over CKKS

N Drucker, G Moshkowich, T Pelleg, H Shaul - Journal of Cryptology, 2024 - Springer
Approximated homomorphic encryption (HE) schemes such as CKKS are commonly used to
perform computations over encrypted real numbers. It is commonly assumed that these …

HERMES: efficient ring packing using MLWE ciphertexts and application to transciphering

Y Bae, JH Cheon, J Kim, JH Park, D Stehlé - Annual International …, 2023 - Springer
Most of the current fully homomorphic encryption (FHE) schemes are based on either the
learning-with-errors (LWE) problem or on its ring variant (RLWE) for storing plaintexts …

Simpler and faster BFV bootstrapping for arbitrary plaintext modulus from CKKS

J Kim, J Seo, Y Song - Cryptology ePrint Archive, 2024 - eprint.iacr.org
Bootstrapping is a key operation in fully homomorphic encryption schemes that enables the
evaluation of arbitrary multiplicative depth circuits. In the BFV scheme, bootstrapping …

LFHE: fully homomorphic encryption with bootstrapping key size less than a megabyte

A Kim, Y Lee, M Deryabin, J Eom, R Choi - Cryptology ePrint Archive, 2023 - eprint.iacr.org
Abstract Fully Homomorphic Encryption (FHE) enables computations to be performed on
encrypted data, so one can outsource computations of confidential information to an …

High-precision RNS-CKKS on fixed but smaller word-size architectures: theory and application

R Agrawal, JH Ahn, F Bergamaschi… - Proceedings of the 11th …, 2023 - dl.acm.org
A prevalent issue in the residue number system (RNS) variant of the Cheon-Kim-Kim-Song
(CKKS) homomorphic encryption (HE) scheme is the challenge of efficiently achieving high …