On relations between ccz- and ea-equivalences

Web17 de fev. de 2024 · On relations between CCZ- and EA-equivalences. Article. Full-text available. Jan 2024; Lilya Budaghyan; ... CCZ equivalence coincides with EA-equivalence and inverse transformation for n ≤ 8. WebWe prove that, for bent vectorial functions, CCZ-equivalence coincides with EA-equivalence. However, we show that CCZ-equivalence can be used for constructing bent functions …

On CCZ-Equivalence, Extended-Affine Equivalence, and

WebCCZ-equivalence and Boolean functions. Book of abstracts of the 9-th International Conference on Finite Fields and Their Applications, Fq'09, Dublin, July 2009. * L.Budaghyan and C.Carlet. On CCZ-equivalence and its use in secondary constructions of bent functions. Preproceedings of WCC 2009, Ullensvang, Norway, May 2009. WebIt is known from Budaghyan et al. (IEEE Trans. Inf. Theory 52.3, 1141–1152 2006; Finite Fields Appl. 15(2), 150–159 2009) that for quadratic APN functions (both monomial and … simple joys sleeper gowns https://office-sigma.com

On Subspaces of Kloosterman Zeros and Permutations of

WebWe prove hereby that for non-quadratic APN functions CCZ-equivalence can be more general (by studying the only known APN function which is CCZ-inequivalent to both … WebKeywords APN functions · Quadratic functions ·CCZ-equivalence ·Extended affine equivalence 1 Introduction In this paper, we will show the following statement, which was first conjectured by Edel (see Definition 2 and Definition 1 for the exact definitions of notions such as quadratic APN functions and CCZ- and EA-equivalences): Webmations of functions, which de ne equivalence relations between vectorial Boolean func-tions. Two of these equivalence notions are, the extended a ne equivalence (EA-equivalence) and Carlet-Charpin-Zinoviev equivalence (CCZ-equivalence). EA-equivalence is a partic-ular case of CCZ-equivalence, which is the more general known equivalence ... rawr beauty reviews

Equivalences of quadratic APN functions - Research Institute for ...

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On relations between ccz- and ea-equivalences

On CCZ-equivalence, extended-affine equivalence, and

http://boolean.w.uib.no/files/2024/06/marco.pdf Webfor a given function, CCZ-equivalence is more general than EA-equivalence together with taking inverses of permutations. It is known from [8,6] that for quadratic APN …

On relations between ccz- and ea-equivalences

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WebOn relations between CCZ- and EA-equivalences L. Budaghyana, M. Calderinia, I. Villaa aDepartment of informatics, University of Bergen Abstract In the present paper we … WebThe problems discussed are related to the problem of relation between CCZ-and EA-equivalences for power APN functions. This was studied in [5].Regarding Q1, the …

Web6 de abr. de 2024 · Recently Budaghyan et al. (Cryptogr. Commun. 12, 85–100, 2024) introduced a procedure for investigating if CCZ-equivalence can be more general than EA-equivalence together with inverse transformation (when applicable). In this paper, we show that it is possible to use this procedure for classifying, up to EA-equivalence, all known … Web1 de mar. de 2024 · As EA-equivalence and CCZ-equivalence are equivalence relations, and since EA-equivalence is a particular case of CCZ-equivalence, it is possible to partition the space of all functions F2n→F2minto CCZ-equivalence classes and then to partition each CCZ-equivalence class into EA-equivalence classes.

WebOn relations between CCZ- and EA-equivalences. Lilya Budaghyan, Marco Calderini, Irene Villa. On relations between CCZ- and EA-equivalences. Cryptography and … WebOn relations between CCZ- and EA-equivalences. Cryptography and Communications. 2024;12:85-100: eng: dc.identifier.issn: 1936-2455: en_US: dc.identifier.issn: 1936-2447: en ... we prove that for power non-Gold APN functions, CCZ equivalence coincides with EA-equivalence and inverse transformation for n ≤ 8. We conjecture that this is true for ...

Web24 de nov. de 2014 · By generalizing these processes, we obtain a much strengthened formula for all the graph equivalences which define the EA equivalence class of a given …

WebCommun. 12, 85–100, 2024) introduced a procedure for investigating if CCZ-equivalence can be more general than EA-equivalence together with inverse tran... AbstractRecently Budaghyan et al. (Cryptogr. Commun. 12, 85–100, ... On the EA-classes of known APN functions in small dimensions ... simple joy broccoli cheddar soupWeb10 de mar. de 2024 · On CCZ-Equivalence of the Inverse Function March 2024 Authors: Lukas Kolsch Abstract The inverse function $x \mapsto x^ {-1}$ on $\mathbb F_ {2^ {n}}$ is one of the most studied functions in... rawrbot ornaWebsimple relation between special structures in the LAT of a function : F 2 →F 2 (or equivalently in its DDT) and the EA-classes of the functions CCZ-equivalent to it. … rawr brandWebequivalence relations between vectorial Boolean functions. There are mainly two such equivalence notions, called extended affine equivalence (EA-equivalence) and Carlet … simple joy oatmeal raisin cookiesWebCCZ equivalence is a coarser equivalence than EA equivalence and includes permu- tations and their inverses in the same equivalence class. It is currently very difficult to decide, either theoretically or computationally, whether two functions are CCZ equiva- lent, and if so, whether they are EA-inequivalent. The paper is organised as follows. rawr bubbleWeb1 de set. de 2024 · In fact, to the best of our knowledge, it is not known how to partition a CCZ-equivalence class into its Extended-Affine (EA) equivalence classes; EA-equivalence being a simple particular case of ... simplejson foreachWeb7 de mar. de 2024 · Moreover a CCZ equivalent function of a d-uniform function is again d-uniform, see Proposition 4.4 below. To decide the possible CCZ equivalence of two … rawr bromley