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Lattice-cryptography is the study and use of lattice problems applied to cryptography.

3
votes
1answer
I'd like to know, is Learning With Error (LWE) (with modular noise) "secure" if one entry has no noise? More precisely, I have: a random matrix $A \in \mathbb{Z}_q^{m \times n}$ a random string $s …
asked Apr 3 '19 by Léo Colisson
4
votes
1answer
I studied this paper a while ago, but now I'm confused by the paper Trapdoors for Lattices:Simpler, Tighter, Faster, Smaller by Micciancio and Peikert. Page 24 and 25, they present an algorithm that e …
asked Feb 20 '21 by Léo Colisson
6
votes
2answers
Short version: how is it possible to round a continuous Gaussian into a true discrete Gaussian (usually denoted $\mathcal{D}_{\mathbb{Z},\alpha q}$)? The goal is to obtain a reduction from continuous …
asked Mar 6 '21 by Léo Colisson