Problems and solutions of the Fourth International Students' Olympiad in Cryptography NSUCRYPTO

Alexandr Kutsenko; Alexey Oblaukhov; Anastasiya Gorodilova; Bart Preneel; Claude Carlet; Evgeny Gorkunov; Natalia Tokareva; Nikolay Kolomeec; Sergey Agievich; Stjepan Picek

arxiv: 1806.02059 · v4 · pith:NWPGM2CBnew · submitted 2018-06-06 · 💻 cs.CR

Problems and solutions of the Fourth International Students' Olympiad in Cryptography NSUCRYPTO

Anastasiya Gorodilova , Sergey Agievich , Claude Carlet , Evgeny Gorkunov , Valeriya Idrisova , Nikolay Kolomeec , Alexandr Kutsenko , Svetla Nikova

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Alexey Oblaukhov Stjepan Picek Bart Preneel Vincent Rijmen Natalia Tokareva

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classification 💻 cs.CR

keywords problemsfunctionsbooleancryptographiccryptographyfourthinternationalnsucrypto

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Mathematical problems and their solutions of the Fourth International Students' Olympiad in cryptography NSUCRYPTO'2017 are presented. We consider problems related to attacks on ciphers and hash functions, cryptographic Boolean functions, the linear branch number, addition chains, error correction codes, etc. We discuss several open problems on algebraic structure of cryptographic functions, useful proof-of-work algorithms, the Boolean hidden shift problem and quantum computings.

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Problems and solutions of the Fourth International Students' Olympiad in Cryptography NSUCRYPTO

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