Research about strength of GOST 28147-89 encryption algorithm
Liudmila K. Babenko, Evgeniya Ishchukova, Маро Екатерина Александровна · 2012
The present study considers the improvement of existing cryptanalytical methods in relation to Russian standard of GOST 28147-89 symmetric encryption. This paper researches encryption transformations in GOST 28147-89 algorithm constructed on the principles of Feistel network simplifying attacks by methods of differential and algebraic cryptanalysis. Finally, for fixed encryption keys plain texts were obtained reducing 32 encryption rounds to 16.