Seminar Advanced Topics in Cryptography
This course is listed
- in Aachen RWTHonline as Seminar Advanced Topics in Cryptography,
- in Bonn Basis as MA-INF 1209 - Seminar Advanced Topics in Cryptography.
Lecture
Time & Place
Please, send an email if you are interested in this seminar.
- Monday, 1600-1800, b-it 0.107 and digital seminar room.
Kick-off meeting: Monday, 14 April 2025, 1600, b-it 0.107 and digital seminar room.
Contents
Research front at the cryptographic preprint service ePrint.
Each participiant suggests three papers from ePrint, one of which is chosen. You then present your chosen paper in a session together with necessary background and deliver a report.
Schedule
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Monday 2025-05-26 1620..16?5..Jan Hündlings.
Lab project sketch: Securing Inference on Transformer-Based Models with Multi-Party Computation.
Slides (PDF). - Monday 2025-05-26 1645..1800. Winston Oberländer, Negin Shirvani, Lennart Grabbel, Esteban Castillo Vargas.
Lab project sketch: title tba..
Slides (PDF). - Monday 2025-06-16 1600..1800. Markus Lauer.
The zero knowledge property of PLONK.
Slides (PDF). Report (PDF).
based on:-
Marek Sefranek (2024). How (Not) to Simulate PLONK. ePrint 2024/848.
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- Monday 2025-06-23 1600..1800. Cancelled.
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Wednesday 2025-06-25 1400-1600. Jan Hündlings.
Post-Quantum Key Encapsulation with CRYSTALS Kyber.
Slides (PDF). Report (PDF).
based on:-
Joppe Bos, Léo Ducas, Eike Kiltz, Tancrède Lepoint, Vadim Lyubashevsky, John M. Schanck, Peter Schwabe, Gregor Seiler & Damien Stehlé (2017). CRYSTALS -- Kyber: a CCA-secure module-lattice-based KEM. ePrint 2017/634.
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Monday 2025-06-30 1600..1800. Oluwadamisola Makinde.
Deniability against Malicious Verifiers.
Slides (PDF). Report (PDF).
based on:-
Rune Fiedler & Roman Langrehr (2025). On Deniable Authentication against Malicious Verifiers. ePrint 2025/470.
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- Wednesday 2025-07-02 1400-1600. Paul Berners.
Publicly Verifiable Generalized Secret Sharing Schemes and Their Applications.
Slides (PDF). Report (PDF).
based on:- Liang Zhang, Dongliang Cai, Tao Liu, Haibin Kan, and Jiheng Zhang (2025). Publicly Verifiable Generalized Secret Sharing Schemes and Their Applications. ePrint 2025/662.
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Wednesday 2025-07-09 1400-1600. Esteban Castillo Vargas.
Preventing Money-Laundry with MPC.
Slides (PDF). Report (PDF).
based on:-
Marie Beth van Egmond, Vincent Dunning, Stefan van den Berg, Thomas Rooijakkers, Alex Sangers, Ton Poppe & Jan Veldsink (2024). Privacy-preserving Anti-Money Laundering using Secure Multi-Party Computation. ePrint 2024/065.
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- Monday 2025-07-14 1600..1800. Konstantin Borisov.
title tba.
Slides (PDF). Report (PDF).
based on:-
Tzu-Shen Wang, Jimmy Dani, Juan Garay, Soamar Homsi, Nitesh Saxena (2025). Robust and Verifiable MPC with Applications to Linear Machine Learning Inference. ePrint 2025/786.
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- Mon 2025-09-29 1400..1600. Matthias Häßy.
Master thesis presentation: zk-SNARKs.
Slides (PDF). Thesis.
based on:- Dan Boneh (2022). What is a SNARK? Lecture.
- Team RareSkills (2024). The RareSkills Book of Zero Knowledge. Online.
- Elena Burger, Bryan Chiang, Sonal Choksh, iEddy Lazzarin, Justin Thaler & Ali Yahya (2022). Zero Knowledge Canon, part 1 & 2. Online.
- Monday 2025-11-10 1600..1800. Jan Hündlings.
Lab project final: Securing Inference on Transformer-Based Models with Multi-Party Computation.
Slides (PDF). Report (PDF).
based on:-
...
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- Monday 2025-11-17 1600..1800. Winston Oberländer, Negin Shirvani, Lennart Grabbel, Esteban Castillo Vargas.
Lab project final: Securing Jorge.
Slides (PDF). Report (PDF).
based on:-
...
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Prerequisites
- Good knowledge of basic cryptography -including public key systems, modern security definitions and security reductions- and
- fast understanding of mathematical and computer science topics is required.
Allocation
2 SWS.
- Master in Media Informatics: Computer and Communication Technology. 4 ECTS credits.
Students have to register this course in RWTHonline. - Master in Computer Science at University of Bonn: MA-INF 1209. 4 CP.
Students have to register this course in BASIS.