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This tag refers to public-key algorithms based on problems that quantum computers can't solve efficiently. Existing algorithms such as RSA, Diffie-Hellman, and ECDSA are known to be breakable using Shor's algorithm on quantum computers. Symmetric-key algorithms generally don't fall under this category.

8 votes
2 answers
1k views

LWE: Round a continuous Gaussian to a true Discrete Gaussian

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 …
Léo Colisson's user avatar
26 votes
Accepted

Polynomial-time Quantum Algorithms for Lattice Problems

Current status regarding the correctness TL;DR: the attack is not working. Update: Since April 18 a bug has been found in the paper and the author retracted their claim: Further details are listed be …
Léo Colisson's user avatar