[Resource Topic] 2022/594: A CONCRETE approach to torus fully homomorphic encryption

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Title:
A CONCRETE approach to torus fully homomorphic encryption

Authors: Maria Ferrara, Antonio Tortora

Abstract:

The homomorphic encryption allows to operate on encrypted data, making any action less vulnerable to hacking. The implementation of a fully homomorphic cryptosystem has long been impracticable. A breakthrough was achieved only in 2009 thanks to Gentry and his innovative idea of bootstrapping. TFHE is a torus-based fully homomorphic cryptosystem using the bootstrapping technique. This paper aims to present TFHE from an algebraic point of view, starting from the CONCRETE library which implements TFHE.

ePrint: https://eprint.iacr.org/2022/594

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