Subtractive Sets over Cyclotomic Rings: Limits of Schnorr-like Arguments over Lattices

Subtractive Sets over Cyclotomic Rings: Limits of Schnorr-like Arguments over Lattices

Cybersecurity Seminars Online seminar
Thursday, 22 July 2021
5 pm - 6 pm (AEST)
Free

In this talk, the speaker will talk about sets of ring elements such that the differences between the members are (almost) invertible over the ring. How invertible the differences are is measured by a ring element called a slack. The goal is to construct large sets with small slacks, which are useful in lattice-based Schnorr-like argument systems and threshold secret sharing.

This talk is based on the paper [AL21].
https://eprint.iacr.org/2021/202.pdf
[AL21] Martin R. Albrecht, Russell W. F. Lai, 'Subtractive Sets over Cyclotomic Rings: Limits of Schnorr-like Arguments over Lattices', CRYPTO, 2021

Click the link below to join the seminar on 22 Jul 2021 5:00 pm (AEST):

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About the speaker

Russell W. F. Lai
PhD Candidate, Friedrich-Alexander University Erlangen-Nuremberg

Russell W. F. Lai is a PhD candidate at the Friedrich-Alexander University Erlangen-Nuremberg. His research interests mainly include succinct argument systems, anonymous systems, homomorphic cryptography, and password-based cryptography. He also works on source coding theory, a branch of information theory.

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