Yakovliev S. Provable Security of Non-Markov Symmetric Block Ciphers against Differential Cryptanalysis

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0414U006047

Applicant for

Specialization

  • 05.13.21 - Системи захисту інформації

22-12-2014

Specialized Academic Board

Д26.002.29

Essay

This work is dedicated to design and analysis of new approaches of provable security of iterated block ciphers against differential cryptanalysis, and to implement them for block cipher schemes' security evaluation. Non-Markov ciphers are mostly considered. Analytic evaluation of security against differential cryptanalysis was done for balanced and unbalanced Feistel-like schemes, generalized Feistel networks, SP-networks of common and special forms. A new block cipher algorithm was created; its security against differential cryptanalysis was proven using presented theoretical results.

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