The Fifth International Students' Olympiad in cryptography - NSUCRYPTO: Problems and their solutions.
Anastasiya GorodilovaSergey AgievichClaude CarletXiang-dong HouValeriya IdrisovaNikolay KolomeecAlexandr KutsenkoLuca MariotAlexey OblaukhovStjepan PicekBart PreneelRazvan RosieNatalia N. TokarevaPublished in: Cryptologia (2020)