Lightweight Stream Ciphers for Green IT Engineering

Kuznetsov, Alexandr; Potii, Olexandr; Perepelitsyn, Artem; Ivanenko, Dmytro; Poluyanenko, Nikolay

doi:10.1007/978-3-030-00253-4_6

Cited by 28 publications

(8 citation statements)

References 4 publications

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“…In [22,27], combinatorial properties of non-linear knots in the context of the security evaluation of various encryption modes and key schedules were investigated. In [22,[30][31][32][33][34][35][36], the influence of Sblocks on avalanche effects, differential and linear properties of block ciphers is investigated. The papers [35,37] are dedicated to the study of the properties of nonlinear replacement nodes in modern stream ciphers in comparison with the "Strumok" algorithm proposed as a new standard of stream encryption in Ukraine [37].…”

Section: Discussionmentioning

confidence: 99%

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Block Symmetric Cipher With Random S-Boxes

Lisickiy¹,

Dolgov²,

Lisickaya³

et al. 2019

IJC

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This paper describes a new 256-bit block symmetric substitution-permutation cipher, called managed substitution cipher. This is a cipher with single-layer permutated transformations in each cycle. The management of substituted transformations occur by including them in a chain so that the output value of the previous SL transform is fed to the input of the current fortified 32-bit substituted transformation (SL conversion) along with the current value of the input data block through the adder for modulo 2. This enables to activate almost all S-blocks of the second cycle and subsequent cycles and eventually improve the dynamic indicators of the arrival of the cipher to the state of random substitution. The results of the evaluation of randomness indicators and the possibility of using random S-blocks are given. It is shown that such construction of cycled function allows us to use random substitutions without any selection in a cipher without reducing its strength.

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Section: Discussionmentioning

confidence: 99%

“…The presented and not presented results allow us to characterize the state of modern technologies of designing the BSS (focusing on the most progressive of them by the following basic provisions [1,[26][27][28][29][30][31][32][33][34][35].…”

Section: Related Workmentioning

confidence: 99%

Block Symmetric Cipher With Random S-Boxes

Lisickiy¹,

Dolgov²,

Lisickaya³

et al. 2019

IJC

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“…they are marked with « m »). In addition, many M-NLFSR functions that are not m-saturated by definition, achieve the highest possible result for the ) the tables 6-9 they are marked with « 1) »).Some of the obtained nonlinear recurrent relations of functions that are simultaneously m-optimal and m-saturated and that correspond with M-NLFSR[20][21][22][23][24][25][26][27][28][29].For 2 nd order M-70 functions with 10 monomials, 346 with 12 monomials, 1124 -14 monomials, 924 -16 monomials, 252 -18 monomials, 20 -20 monomials: By analyzing the results it can be seen that symmetric M-NLFSR have the same ) ( f sut and f N . All studied M-NLFSR with ( )…”

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confidence: 89%

Combining and Filtering Functions in the Framework of Nonlinear-Feedback Shift Register

Кuznetsov¹,

Potii²,

Poluyanenko³

et al. 2020

IJC

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Strong cryptography of stream ciphers is determined according to the ability of the generated pseudorandom sequence to resist analytical attacks. One of the main components of the pseudorandom stream cipher sequence generating algorithm is Boolean functions for combining and filtering. The paper considers the possibility of applying nonlinear-feedback shift registers that generate a maximum length sequence as a combining or filtering function. The main indicators of cryptographic strength of such functions as: balance, the prohibitions presence, correlation immunity and nonlinearity are examined in this work. The study analyzes and demonstrates correlation immunity and nonlinearity experimental values for all nonlinear feedback shift registers that generate a maximum length sequence, for register sizes up to 6 cells inclusively, and register sizes up to 9 cells inclusively with algebraic degree of the polynomial under 2. The possibility of optimizing the process of selecting Boolean functions according to the criteria of maximum correlation immunity and nonlinearity with various algebraic degrees and minimization of the number of monomials in the polynomial is studied.

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“…The stream encryption of a long sequence has the most significant potential advantage over block cryptographic transformations [3,6,[19][20][21][22][23][24], which is essential for many applications [25][26][27][28][29][30][31][32][33][34][35][36][37].…”

Section: Performance Evaluationmentioning

confidence: 99%

Studies on Statistical Analysis and Performance Evaluation for Some Stream Ciphers

Gorbenko¹,

Кuznetsov²,

Gorbenko³

et al. 2019

IJC

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This paper presents the results of the comparative analysis of safety statistics and performance of encryption, the Strumok stream symmetric cipher (proposed for the national encryption standard of Ukraine) with other known cryptographic transformation algorithms, such as SALSA20, SNOW2.0, HC, AES with usages in stream mode, etc. They are accepted as national, international standards or are presented by the New European Schemes for Signatures, Integrity, and Encryptions (NESSI), Cryptography Research and Evaluation Committees (CRYPTREC) and others. The result of safety statistics is an analysis of the cryptographic properties of the output sequences using statistical test sets developed by the National Institute of Standards and Technology (NIST STS) and the DIEHARD tests. The result of the study of performance is the evaluation of the use of central processing unit (CPU) time to convert one octet of data to 64-bit computing platforms, following the test profile used in the eSTREAM contest.

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Lightweight Stream Ciphers for Green IT Engineering

Cited by 28 publications

References 4 publications

Block Symmetric Cipher With Random S-Boxes

Block Symmetric Cipher With Random S-Boxes

Combining and Filtering Functions in the Framework of Nonlinear-Feedback Shift Register

Studies on Statistical Analysis and Performance Evaluation for Some Stream Ciphers

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