What does "over the torus" mean here? | Hacker News

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		Bromskloss on Aug 7, 2017 \| parent \| context \| favorite \| on: TFHE: Fast Fully-Homomorphic Encryption Over the T... What does "over the torus" mean here?

cypherpunks01 on Aug 8, 2017 [–]

I think it means that this implementation of homomorphic encryption relies on polynomial computations being done on the plane of a geometrical torus? See the relevant paper here:

https://eprint.iacr.org/2016/870.pdf

Someone with more background could probably expand on that.

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