Kathrin Hövelmanns - Fujisaki-Okamoto — a recipe for post-quantum public key encryption [3 Apr 2024]

This talk is part of the CrySP Speaker Series on Privacy. For more information and to view other talks in the series, go to: https://crysp.uwaterloo.ca/speakers/

Fujisaki-Okamoto — a recipe for post-quantum public key encryption

Kathrin Hövelmanns, Eindhoven University of Technology
April 3, 2024

https://uwaterloo.zoom.us/j/959241773...

Abstract:
In this talk, I will give a short introduction to Fujisaki-Okamoto, a
conversion that (intuitively) turns post-quantum hardness assumptions
into post-quantum secure public-key encryption. Fujisaki-Okamoto
featured prominently in NIST's post-quantum standardisation effort for
public-key encryption, including the emerging new standard Kyber. If
time permits, I will sketch open questions surrounding Fujisaki-Okamoto
and potential improvements in security and efficiency.

Bio:
Kathrin is Irène Curie fellow and tenured assistant professor in the
Applied and Provable Security group at Eindhoven University of
Technology. Her expertise lies with provable security of cryptography
when considering quantum adversaries and, more recently, the integration
of quantum technologies into network security. Kathrin is especially
known for her work on the provable security of post-quantum public key
encryption, her work in this area is used by virtually every proposal
for encryption submitted to the NIST process.