PQCrypto 2022
The 13th International Conference on Post-Quantum Cryptography
September 28–30, 2022


Schedule for PQCrypto 2022

All times are in UTC. You can use a service like timeanddate do see how your time zone relates to UTC.

28 Sep 2022
08:55 – 09:00 opening (Jung Hee Cheon and Thomas Johansson)
Session: Implementation and Side channel attacks (chair: Magali Bardet)
video from the live session
09:00 – 09:15 Markus Krausz, Georg Land, Jan Richter-Brockmann, and Tim Güneysu
Efficiently Masking Polynomial Inversion at Arbitrary Order (video on YouTube, slides)
09:15 – 09:30 Thomas Schamberger, Lukas Holzbaur, Julian Renner, Antonia Wachter-Zeh, and Georg Sigl
A Power Side-Channel Attack on the Reed-Muller Reed-Solomon Version of the HQC Cryptosystem (video on YouTube, slides)
09:30 – 09:45 Guillaume Goy, Antoine Loiseau, and Philippe Gaborit
A New Key Recovery Side-Channel Attack on HQC with Chosen Ciphertext (video on YouTube, slides)
09:45 – 10:00 break
Session: Invited talk 1 (chair: Tanja Lange)
10:00 – 11:00 Andreas Hülsing
Hash-Based Signatures: History and Challenges
(video from the live session, slides in pptx, slides in pdf)
11:00 – 12:00 break
Session: Code-Based Cryptography (chair: Daniel Smith-Tone)
video from the live session
12:00 – 12:15 Andre Esser, Sergi Ramos-Calderer, Emanuele Bellini, José I. Latorre, and Marc Manzano
Hybrid Decoding — Classical-Quantum Trade-Offs for Information Set Decoding (video on YouTube, slides)
12:15 – 12:30 Tobias Hemmert, Alexander May, Johannes Mittmann, and Carl Richard Theodor Schneider
How to Backdoor (Classic) McEliece and How to Guard Against Backdoors (video on YouTube, slides)
12:30 – 12:45Carlos Aguilar-Melchor, Nicolas Aragon, Victor Dyseryn, Philippe Gaborit, and Gilles Zémor
LRPC codes with multiple syndromes: near ideal-size KEMs without ideals (video on YouTube, slides)
12:45 – 13:00 Anmoal Porwal, Lukas Holzbaur, Hedongliang Liu, Julian Renner, Antonia Wachter-Zeh, and Violetta Weger
Interleaved Prange: A New Generic Decoder for Interleaved Codes (video on YouTube, slides)
13:00 – 13:15 Sarah Arpin, Tyler Raven Billingsley, Daniel Rayor Hast, Jun Bo Lau, Ray Perlner, and Angela Robinson
A Study of Error Floor Behavior in QC-MDPC Codes (video on YouTube, slides)



29 Sep 2022
Session: Multivariate Cryptography and the MinRank Problem (chair: Ray Perlner)
video from the live session
11:30 – 11:45 Magali Bardet and Manon Bertin
Improvement of algebraic attacks for superdetermined MinRank (video on YouTube, slides)
11:45 – 12:00 Hiroki Furue, Yutaro Kiyomura, Tatsuya Nagasawa, and Tsuyoshi Takagi
A New Fault Attack on UOV Multivariate Signature Scheme (video on YouTube, slides)
12:00 – 12:15 Emanuele Bellini, Andre Esser, Carlo Sanna, and Javier Verbel
MR-DSS — Smaller MinRank-based (Ring-)Signatures (video on YouTube, slides)
12:15 – 12:30 Ryann Cartor, Max Cartor, Mark Lewis, and Daniel Smith-Tone
IPRainbow (video on YouTube, slides)
12:30 – 12:45 Daniel Smith-Tone
2F - A New Method for Constructing Efficient Multivariate Encryption Schemes (video on YouTube, slides)
12:45 – 13:00 break
Session: Invited talk 2 (chair: Daniel J. Bernstein)
13:00 – 14:00 Peter Schwabe
6 years of NIST PQC, looking back and ahead
(video from the live session, slides)
14:00 – 14:30 break
Session: Lattice-Based Cryptography, and Cryptanalysis (chair: Thomas Johansson)
video from the live session
14:30 – 14:45 Zhiyuan An, Jing Pan, Yamin Wen, and Fangguo Zhang
Forward-Secure Revocable Secret Handshakes from Lattices (video on YouTube, slides)
14:45 – 15:00 Léo Ducas
Estimating the Hidden Overheads in the BDGL Lattice Sieving Algorithm (video on YouTube, slides)
15:00 – 15:15 Ray Perlner, John Kelsey, and David Cooper [BEST PAPER AWARD]
Breaking Category Five SPHINCS+ with SHA-256 (video on YouTube, slides)



30 Sep 2022
Session: Isogeny (chair: Christophe Petit)
video from the live session
07:00 – 07:15 Fabio Campos and Philipp Muth
On Actively Secure Fine-Grained Access Structures from Isogeny Assumptions (video on YouTube, slides)
07:15 – 07:30 Steven D. Galbraith and Yi-Fu Lai
Attack on SHealS and HealS: the Secdond Wave of GPST (video on YouTube, slides)
07:30 – 07:45 Samuel Dobson and Steven D. Galbraith
Post-Quantum Signal Key Agreement from SIDH (video on YouTube, slides)
07:45 – 08:00 break
Session: Invited talk 3 (chair: Damien Stehle)
08:00 – 09:00 Ward Beullens
Breaking Rainbow takes a weekend on a laptop
(video from the live session, slides)
09:00 – 09:30 break
Session: Quantum Algorithms, Attacks and Models (chair: Jung Hee Cheon)
video from the live session
09:30 – 09:45 Shuping Mao, Tingting Guo, Peng Wang, Lei Hu
Quantum Attacks on Lai-Massey Structure (video on YouTube, slides)
09:45 – 10:00 Christian Janson and Patrick Struck
Sponge-based Authenticated Encryption: Security against Quantum Attackers (video on YouTube, slides)
10:00 – 10:15 Ehsan Ebrahimi and Jeroen van Wier
Post-quantum Plaintext-awareness (video on YouTube, slides)
10:15 – 10:30 Juliane Krämer and Patrick Struck
On Quantum Ciphertext Indistinguishability, Recoverability, and OAEP (video on YouTube, slides)
10:30 – 10:35closing






Last modified: 2022.09.30