no code implementations • 5 Dec 2022 • Oleg Zaikin
In this study, 40-, 41-, 42-, and 43-step MD4 are inverted for the first time via the first algorithm and the estimating mode of the second algorithm.
no code implementations • 17 May 2018 • Alexander Semenov, Ilya Otpuschennikov, Irina Gribanova, Oleg Zaikin, Stepan Kochemazov
We demonstrate the results of applications of Transalg to construction of a number of attacks on various cryptographic functions.
no code implementations • 13 Mar 2018 • Alexander Semenov, Oleg Zaikin, Ilya Otpuschennikov, Stepan Kochemazov, Alexey Ignatiev
Propositional satisfiability (SAT) is at the nucleus of state-of-the-art approaches to a variety of computationally hard problems, one of which is cryptanalysis.
1 code implementation • 4 Jul 2016 • Ilya Otpuschennikov, Alexander Semenov, Irina Gribanova, Oleg Zaikin, Stepan Kochemazov
We implemented this technology in the form of the software system called Transalg, and used it to construct SAT encodings for a number of cryptanalysis problems.
no code implementations • 3 Jul 2015 • Alexander Semenov, Oleg Zaikin
The estimation of effectiveness of the particular partitioning is the value of predictive function in the corresponding point of this space.
no code implementations • 4 Aug 2013 • Alexander Semenov, Oleg Zaikin
This paper proposes a method to estimate the total time required to solve SAT in distributed environments via partitioning approach.