OpenFHE: Open-Source Fully Homomorphic Encryption Library

Ahmad Al Badawi; Andreea Alexandru; Jack Bates; Flavio Bergamaschi; David Bruce Cousins; Saroja Erabelli; Nicholas Genise; Shai Halevi; Hamish Hunt; Andrey Kim; Yongwoo Lee; Zeyu Liu; Daniele Micciancio; Carlo Pascoe; Yuriy Polyakov; Ian Quah; Saraswathy R.V.; Kurt Rohloff; Jonathan Saylor; Dmitriy Suponitsky; Matthew Triplett; Vinod Vaikuntanathan; Vincent Zucca

Paper 2022/915 Original: eprint.iacr.org/2022/915 ↗

OpenFHE: Open-Source Fully Homomorphic Encryption Library

Ahmad Al Badawi

Andreea Alexandru

Jack Bates

Flavio Bergamaschi

David Bruce Cousins

Saroja Erabelli

Nicholas Genise

Shai Halevi

Hamish Hunt

Andrey Kim

Yongwoo Lee

Zeyu Liu

Daniele Micciancio

Carlo Pascoe

Yuriy Polyakov

Ian Quah

Saraswathy R.V.

Kurt Rohloff

Jonathan Saylor

Dmitriy Suponitsky

Matthew Triplett

Vinod Vaikuntanathan

Vincent Zucca

Abstract

Fully Homomorphic Encryption (FHE) is a powerful cryptographic primitive that enables performing computations over encrypted data without having access to the secret key. We introduce OpenFHE, a new open-source FHE software library that incorporates selected design ideas from prior FHE projects, such as PALISADE, HElib, and HEAAN, and includes several new design concepts and ideas. The main new design features can be summarized as follows: (1) we assume from the very beginning that all implemented FHE schemes will support bootstrapping and scheme switching; (2) OpenFHE supports multiple hardware acceleration backends using a standard Hardware Abstraction Layer (HAL); (3) OpenFHE includes both user-friendly modes, where all maintenance operations, such as modulus switching, key switching, and bootstrapping, are automatically invoked by the library, and compiler-friendly modes, where an external compiler makes these decisions. This paper focuses on high-level description of OpenFHE design, and the reader is pointed to external OpenFHE references for a more detailed/technical description of the software library.

Metadata

Available format(s): PDF
Category: Implementation
Publication info: Preprint.
History: 2024-03-12: last updated; 2022-07-14: published
Short URL: https://ia.cr/2022/915
License: https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2022/915,
      author = {Ahmad Al Badawi and Andreea Alexandru and Jack Bates and Flavio Bergamaschi and David Bruce Cousins and Saroja Erabelli and Nicholas Genise and Shai Halevi and Hamish Hunt and Andrey Kim and Yongwoo Lee and Zeyu Liu and Daniele Micciancio and Carlo Pascoe and Yuriy Polyakov and Ian Quah and Saraswathy R.V. and Kurt Rohloff and Jonathan Saylor and Dmitriy Suponitsky and Matthew Triplett and Vinod Vaikuntanathan and Vincent Zucca},
      title = {OpenFHE: Open-Source Fully Homomorphic Encryption Library},
      howpublished = {Cryptology {ePrint} Archive, Paper 2022/915},
      year = {2022},
      url = {https://eprint.iacr.org/2022/915}
}