TFHE: Fast Fully Homomorphic Encryption Over the Torus

This work describes a fast fully homomorphic encryption scheme over the torus (TFHE) that revisits, generalizes and improves the fully homomorphic encryption (FHE) based on GSW and its ring variants. The simplest FHE schemes consist in bootstrapped binary gates. In this gate bootstrapping mode, we s...

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Bibliographic Details
Published in:	Journal of cryptology Vol. 33; no. 1; pp. 34 - 91
Main Authors:	Chillotti, Ilaria, Gama, Nicolas, Georgieva, Mariya, Izabachène, Malika
Format:	Journal Article
Language:	English
Published:	New York Springer US 01.01.2020 Springer Nature B.V Springer Verlag
Subjects:	Algorithms Arithmetic Coding and Information Theory Combinatorics Communications Engineering Computational Mathematics and Numerical Analysis Computer Science Cryptography and Security Encryption Gates (circuits) Lookup tables Mathematical analysis Mathematical functions Multiplication Networks Parameters Probability Theory and Stochastic Processes Security Toruses Bootstrapping Fully homomorphic encryption Boolean circuit Lattices GSW LWE Deterministic automata
ISSN:	0933-2790, 1432-1378
Online Access:	Get full text
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