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Title: MILP-Aided Cryptanalysis of the FUTURE Block Cipher
Authors: İlter, M.B.
Selçuk, A.A.
Keywords: differential cryptanalysis
linear cryptanalysis
Lyapunov methods
Security of data
Block ciphers
Differential cryptanalysis
Diffusion layers
Encryption function
Light-weight constructions
Lightweight block ciphers
Linear cryptanalysis
Integer programming
Issue Date: 2023
Publisher: Springer Science and Business Media Deutschland GmbH
Abstract: FUTURE is a recently proposed, lightweight block cipher. It has an AES-like, SP-based, 10-round encryption function, where, unlike most other lightweight constructions, the diffusion layer is based on an MDS matrix. Despite its relative complexity, it has a remarkable hardware performance due to careful design decisions. In this paper, we conducted a MILP-based analysis of the cipher, where we incorporated exact probabilities rather than just the number of active S-boxes into the model. Through the MILP analysis, we were able to find differential and linear distinguishers for up to 5 rounds of FUTURE, extending the known distinguishers of the cipher by one round. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.
Description: 15th International Conference on Security for Information Technology and Communications, SECITC 2022 -- 8 December 2022 through 9 December 2022 -- 294569
ISBN: 9783031326356
ISSN: 0302-9743
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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