[PDF] Top 20 Improved Linear (hull) Cryptanalysis of Round-reduced Versions of SIMON

... the linear characteristic that covers most rounds and simultaneously meets the condition of δ ≥ 2 −n+2 , which indicates that the probability of success for key recovery is ...The linear mask (separated ... See full document

... 48-round Simon 128/192 and 50-round Simon ...Mixed-integer Linear Programming based technique, Shi et al. [7] searched new linear trails and linear hulls, and 21, 21, 29 ... See full document

... finding linear trails that work only against SIMON-like ...r-round linear approximation under ...many linear trails that forms the linear ...r-round linear ... See full document

... tion, SIMON has attracted much cryptanalysis such as differential analysis [3] [4] [5] [6], linear cryptananlysis [7] [8], impossible differential and zero-correlation linear hull ... See full document

... the cryptanalysis of reduced Serpent ...[20,21]. Linear Hulls. If there are several linear characteristics with the same input and output mask, one can combine these characteristics as a ... See full document

... The linear cryptanalysis shown by the designers [6] did not consider the depen- dence of the ...126-round linear characteristic eliminated by 42-round linear approximation is not ... See full document

... zero-correlation linear approximations and the related-tweakey impossible differential characteristics for different versions of SKINNY ...Integer Linear Programming (MILP) to search all ... See full document

... last round-keys), we analyze encrypted input pairs, each pair suggesting a value (or a few values) for this ...some linear constraints on the output of the cipher ... See full document

... the reduced SIMON of all 10 suggested versions, which improve the best previous results by 2 to 4 ...our cryptanalysis only provides a more accurate security evaluation, and it does not mean ... See full document

... zero-correlation linear method is applied to attack 22 rounds of LBlock ...differential cryptanalysis up to 20 rounds of ...an improved impossible differential cryptanalysis has been applied ... See full document

... is reduced in a very generic ...or linear cryptanalysis, it usually result in an increased time complexity (R T > ...simple linear of differential distinguisher, we can perform the analysis ... See full document

... the linear part of the differential path, we found it much harder to find good ones for RIPEMD-160 compared to ...IF round in RIPEMD-128 can be fully controlled by the attacker such that no difference ... See full document

... with linear approximations, which is a differential-linear attack, to show how to theoretically choose a combination of output bits to obtain significantly improved ... See full document

... zero-correlation linear and impossible differential ...these SIMON variants by means of integral ...simple linear equations, and show that reducing any fraction of subkey space can immediately reduce ... See full document

... by SIMON and SPECK, designed by the NSA [8]. The round function of SIMECK is similar to the round function of SIMON while its key schedule is more similar to the key schedule of ...both ... See full document

... between linear characteristic (LC) and differential characteristic (DC) on SIMON and use it to present linear character- istics for different variants of SIMON that can be used to attack ... See full document

... of linear trails in Simon in a more accurate way, which we then use to obtain additional rounds from existing ...for reduced-round variants of the ...best cryptanalysis for Simon32 and ... See full document

... i.e., 7 rounds) and showing certain improvements (complexity around 2 243 ) by exploiting additional Probabilistic Neutral Bits. More importantly, we describe a novel idea that explores proper choice of IVs corresponding ... See full document

... integral attacks on up to five out of eight steps of Sparx-64/128, and six out of ten steps of Sparx-128. Though, those initial attacks are naturally limited due to time constraints when designing a new cipher, and ... See full document

... Related work. Since its publication in 2013, Speck has received a number of cryptanaly- ses, most of which focus on statistical analyses such as differential and linear cryptanalysis. In order to find good ... See full document