Mathematical Methods for Cryptography

Click here for the PDF version of the program. The slides of each talk will be available (upon permssion from the speakers) after the workshop.

Monday
09:00-09:50 Thomas Johansson Combinatorial methods for solving LWE Abstract, Slides
09:50-10:40 Gregor Leander Quantum Attacks on Symmetric Crypto Abstract, Slides
10:40-11:10 Coffee break
11:10-12:10 Bart Preneel A perspective on cryptocurrencies Abstract, Slides
12:10-12:30 Lejla Batina, Pedro Maat Masolino, Joost Renes Hardware design for supersingular isogeny Diffie-Hellman key exchange Abstract, Slides
12:30-14:00 Lunch
14:00-14:50 Sondre Rønjom Structural cryptanalysis of block ciphers Abstract, Slides
14:50-15:10 Patrick Felke On the security of biquadratic C* public-key cryptosystems Abstract, Slides
15:10-15:30 Håvard Raddum, Srimathi Varadharajan Representing integer multiplication using binary decision diagrams Abstract, Slides
15:30-16:00 Coffee break
16:00-17:00 Kaisa Nyberg Current trends in linear cryptanalysis Abstract, Slides
17:00-17:20 Ryan Henry Computing low-weight discrete logarithms Abstract, Slides
17:20-17:40 Bjørn M. Greve, Håvard Raduum, Øyvind Ytrehus Re-linearization and elimination of variables in boolean equation systems Abstract, Slides
Tuesday
09:00-09:50 Igor A. Semaev Separable statistics in linear cryptanalysis Abstract, Slides
09:50-10:40 Pingzhi Fan Recent advances in doppler resilient sequence design and applications Abstract, Slides
10:40-11:10 Coffee break
11:10-12:10 Claude Carlet Characterizations of differentially uniform functions by the Walsh transform related cyclic difference set-like combinatorial structures Abstract, Slides
12:10-12:30 Kerem Varici, Svetla Nikova, Ventzislav Nikov, Vincent Rijmen Constructions of S-boxes with uniform sharing Abstract, Slides
12:30-14:00 Lunch
14:00-14:50 Victor Zinoviev On Kloosterman sums Abstract, Slides
14:50-15:40 P. Vijay Kumar An explicit construction of a high-rate minimum storage regenerating code with low sub-packetization level and selectable repair degree Abstract, Slides
15:40-16:10 Coffee break
16:10-17:10 Guang Gong On ideal t-tuple distribution of orthogonal functions in filtering de bruijn generators Abstract, Slides
17:10-17:30 Svetla Nikova, Ventzislav Nikov, Vincent Rijmen Decomposition of permutations in a finite field Abstract, Slides
Wednesday Excursion (09:30-18:00)
  • Start from Svolvær : 09:30
  • Tour to Trollfjorden (about one hour);
  • In Trollfjorden we are served with the fishsoup and then start Sea eagle safari;
  • Lunch at Nyvågar rorbuhotell: 12.30 (about 2 hours)
  • Go further to Henningsværr to visit the gallerie Lofotens Hus (about 2 hours)
  • Back to Svolvær: 18:00
Thursday
09:00-09:50 Kyeongcheol Yang Decoding of block Turbo codes Abstract, Slides
09:50-10:40 Torleiv Kløve Codes for errors of limited magnitude - a short survey Abstract, Slides
10:40-11:10 Coffee break
11:10-12:10 Øyvind Ytrehus Optimum MDS convolutional codes over GF(2m) and their relation to the trace function Abstract, Slides
12:10-12:30 Xiao-Nan Lu, Masakazu Jimbo Locating arrays with error-correcting ability Abstract, Slides
12:30-14:00 Lunch
14:00-14:50 Jong-Seon No Code-based post-quantum cryptography Abstract, Slides
14:50-15:10 László Csirmaz, Péter Ligeti Secret sharing on large girth graphs Abstract, Slides
15:10-15:30 Assen Bojilov, Yuri Borissov An approach to computing the number of finite field elements with prescribed trace and co-trace Abstract, Slides
15:30-16:00 Coffee break
16:00-17:00 Xiaohu Tang MDS codes for distributed storage system Abstract, Slides
17:00-17:20 Patrick Holzer, Thomas Wunderer, Johannes A. Buchmann Recovering short generators of principal fractional ideals in cyclotomic fields of conductor pq Abstract, Slides
17:20-17:40 José Manuel E. Valenç, Óscar Pereira An algebraic approach to the design of block ciphers Abstract, Slides
19:00- Banquet
Friday
09:00-09:50 Joan Daemen Column-parity mixing layers Abstract, Slides
09:50-10:40 Christian Rechberger Rasta and Picnic Abstract, Slides
10:40-11:10 Coffee break
11:10-12:10 Chunming Rong Secure and robust data services in Cloud and Fog Abstract, Slides
12:10-12:30 Filipp Valovich A new DDH-based PRF with application to distributed private data analysis Abstract, Slides
12:30-14:00 Lunch
14:00-18:00 Hiking