Linear cryptanalysis method for DES cipher
EUROCRYPT '93 Workshop on the theory and application of cryptographic techniques on Advances in cryptology
Applied cryptography (2nd ed.): protocols, algorithms, and source code in C
Applied cryptography (2nd ed.): protocols, algorithms, and source code in C
Differential Cryptanalysis of DES-like Cryptosystems
CRYPTO '90 Proceedings of the 10th Annual International Cryptology Conference on Advances in Cryptology
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Differential analysis of GOST encryption algorithm
Proceedings of the 3rd international conference on Security of information and networks
A single-key attack on the full GOST block cipher
FSE'11 Proceedings of the 18th international conference on Fast software encryption
First differential attack on full 32-round GOST
ICICS'11 Proceedings of the 13th international conference on Information and communications security
Cryptographic analysis of all 4 × 4-bit s-boxes
SAC'11 Proceedings of the 18th international conference on Selected Areas in Cryptography
Research about strength of GOST 28147-89 encryption algorithm
Proceedings of the Fifth International Conference on Security of Information and Networks
FSE'12 Proceedings of the 19th international conference on Fast Software Encryption
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This work is devoted to finding the influence of S-Boxes to resistance of GOST 28147-89 algorithm (GOST) against linear cryptanalysis. The universal algorithm for searching particular layouts of S-Boxes, which are vulnerable to linear cryptanalysis is presented. The possibility of building of efficient linear statistical expressions for simplified GOST with weak S-Boxes has been shown. This research is aimed to ensuring that certain arbitrary S-Box layouts are not weak when they are not fixed. Applicability of the presented method was tested by analyzing S-Boxes used in GOST. Application of the designed method made it possible to discover a number of weak S-Boxes, which make the overall cryptographic strength of GOST much lower.