Table of contents

  • This session has been presented October 27, 2017.

Description

  • Speaker

    Jonathan Bootle - UCL

The LWE problem is ubiquitous in lattice cryptography. In order to try and design more efficient cryptosystems, an increasing number of LWE variants are being considered. In this talk, we consider a variant of LWE over the integers i.e. without modular reduction. We explain why the problem is easy to solve with a large number of samples, and show how this leads to a side-channel attack on the BLISS signature scheme.

Next sessions

  • Polytopes in the Fiat-Shamir with Aborts Paradigm

    • November 29, 2024 (13:45 - 14:45)

    • IRMAR - Université de Rennes - Campus Beaulieu Bat. 22, RDC, Rennes - Amphi Lebesgue

    Speaker : Hugo Beguinet - ENS Paris / Thales

    The Fiat-Shamir with Aborts paradigm (FSwA) uses rejection sampling to remove a secret’s dependency on a given source distribution.  Recent results revealed that unlike the uniform distribution in the hypercube, both the continuous Gaussian and the uniform distribution within the hypersphere minimise the rejection rate and the size of the proof of knowledge. However, in practice both these[…]

    • Cryptography

    • Asymmetric primitive

    • Mode and protocol

  • Post-quantum Group-based Cryptography

    • December 20, 2024 (13:45 - 14:45)

    • IRMAR - Université de Rennes - Campus Beaulieu Bat. 22, RDC, Rennes - Amphi Lebesgue

    Speaker : Delaram Kahrobaei - The City University of New York

Show previous sessions
Page top