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This community wiki is curated by members of the Research and Development group at certSIGN. We hope that this will grow with time, as various topics concerning homomorphic encryption are discussed in our research seminars. Our primary goal is create a portal with useful theoretical for the researchers in our group. Additionally, any new members of our group or students that are interested in these topics can get up to speed with the activity of our group.

Theoretical aspects

Homomorphic encryption Defining and describing homomorphic encryption.

FHE Theory and examples

FHE over the Integers. A presentation of the scheme proposed by Dijk, Gentry, Halevi, Vaikuntanathan

Efficient FHE from (Standard) LWE. A presentation of the scheme BV11. The concept of ``key switching" is first introduced there.

BGV. A presentation of the scheme and of the HElib library.

Fully Homomorphic Encryption without Modulus Switching Presentation of the scheme proposed by Brakerski. The BFV scheme is build on ideas presented here.

BFV. A presentation of the scheme and of the SEAL library.

GSW. Homomorphic Encryption from LWE - a presentation of the scheme proposed by Gentry, Sahai and Waters in 2013.

GSW - Bootstrapping. Ideas from the paper "Faster Bootstrapping with Polynomial Error" by Alperin-Sheriff and Peikert. A different version of GSW with tighter error bounds

certSGN Presentation of our symmetric, bounded FHE scheme

FHE Patent Image Morphology @TODO Articol: Operatii morfologice aplicate pe imagini criptate

certBridge @TODO: Description of the bridge.

Some FHE libraries

HELib - GitHub page https://github.com/homenc/HElib

SEAL - GitHub page https://github.com/microsoft/SEAL

HEAAN - GitHub page https://github.com/snucrypto/HEAAN

Concrete - GitHub page https://github.com/zama-ai/concrete

certFHE - GitHub page https://github.com/certfhe

FHE compilers