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1.
Equistable graphs: conjectures, results, and connections with Boolean functions
Martin Milanič, Vadim E. Levit, Štefko Miklavič, James B. Orlin, Gábor Rudolf, D. Tankus, 2013, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: ključnih besedah
Ključne besede: Boolean functions
Objavljeno: 15.10.2013; Ogledov: 1817; Prenosov: 14
URL Polno besedilo (0,00 KB)

2.
Stream ciphers
Enes Pašalić, 2013, drugo učno gradivo

Najdeno v: ključnih besedah
Povzetek najdenega: ...stream ciphers, pseudo-random sequences, Boolean functions, ...
Ključne besede: stream ciphers, pseudo-random sequences, Boolean functions
Objavljeno: 15.10.2013; Ogledov: 1221; Prenosov: 19
URL Polno besedilo (0,00 KB)
Gradivo ima več datotek! Več...

3.
Further results on the relation between nonlinearity and resiliency for Boolean functions
Enes Pašalić, Thomas Johansson, 1999, objavljeni znanstveni prispevek na konferenci (vabljeno predavanje)

Opis: A good design of a Boolean function used in a stream cipher requires that the function satisfies certain criteria in order to resist different attacks. In this paper we study the tradeoff between two such criteria, the nonlinearity and the resiliency. The results are twofold. Firstly, we establish the maximum nonlinearity for a fixed resiliency in certain cases. Secondly, we present a simple search algorithm for finding Boolean functions with good nonlinearity and some fixed resiliency.
Najdeno v: ključnih besedah
Ključne besede: Boolean functions, cryptography, optimisation, search problems, stream cipher, attacks, maximum nonlinearity, search algorithm, fixed resiliency
Objavljeno: 15.10.2013; Ogledov: 1340; Prenosov: 64
URL Polno besedilo (0,00 KB)

4.
Collisions for variants of the BLAKE hash function
Janoš Vidali, Peter Nose, Enes Pašalić, 2010, izvirni znanstveni članek

Najdeno v: ključnih besedah
Povzetek najdenega: ...BLOKE, BRAKE, collision, cryptography, fixed point, hash functions, ...
Ključne besede: BLAKE, BLOKE, BRAKE, collision, cryptography, fixed point, hash functions
Objavljeno: 15.10.2013; Ogledov: 1522; Prenosov: 28
URL Polno besedilo (0,00 KB)

5.
On cryptographically significant mappings over GF(2 [sup] n)
Enes Pašalić, 2008, objavljeni znanstveni prispevek na konferenci

Opis: In this paper we investigate the algebraic properties of important cryptographic primitives called substitution boxes (S-boxes). An S-box is a mapping that takes ▫$n$▫ binary inputs whose image is a binary ▫$m$▫-tuple; therefore it is represented as ▫$F:\text{GF}(2)^n \rightarrow \text{GF}(2)^m$▫. One of the most important cryptographic applications is the case ▫$n = m$▫, thus the S-box may be viewed as a function over ▫$\text{GF}(2^n)$▫. We show that certain classes of functions over ▫$\text{GF}(2^n)$▫ do not possess a cryptographic property known as APN (AlmostPerfect Nonlinear) permutations. On the other hand, when ▫$n$▫ is odd, an infinite class of APN permutations may be derived in a recursive manner, that is starting with a specific APN permutation on ▫$\text{GF}(2^k), k$▫ odd, APN permutations are derived over ▫$\text{GF}(2^{k+2i})$▫ for any ▫$i \geq 1$▫. Some theoretical results related to permutation polynomials and algebraic properties of the functions in the ring ▫$\text{GF}(q)[x,y]$▫ are also presented. For sparse polynomials over the field ▫$\text{GF}(2^n)$▫, an efficient algorithm for finding low degree I/O equations is proposed.
Najdeno v: ključnih besedah
Povzetek najdenega: ...▫$\text{GF}(2^n)$▫. We show that certain classes of functions over ▫$\text{GF}(2^n)$▫ do not possess a cryptographic...
Ključne besede: cryptoanalysis, cryptography, permutation polynomials, power mappings, APN functions, S-box, CCZ-equivalence, algebraic properties
Objavljeno: 15.10.2013; Ogledov: 1344; Prenosov: 26
URL Polno besedilo (0,00 KB)

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A note on nonexistence of vectorial bent functions with binomial trace representation in the PS[sup]- class
Enes Pašalić, 2015, kratki znanstveni prispevek

Najdeno v: ključnih besedah
Ključne besede: cryptography, vectorial bent funtions, trace functions, binomial bent functions
Objavljeno: 15.10.2015; Ogledov: 864; Prenosov: 52
URL Polno besedilo (0,00 KB)

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9.
Advanced processing of electromyography signals in measurements of trunk postural actions
Nejc Šarabon, Andrej Panjan, 2015, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: ključnih besedah
Povzetek najdenega: ...electromyography, signal processing, trunk functions, lower back pain, ...
Ključne besede: electromyography, signal processing, trunk functions, lower back pain
Objavljeno: 15.10.2015; Ogledov: 1486; Prenosov: 11
URL Polno besedilo (0,00 KB)

10.
Isogeometric analysis with geometrically continuous functions on two-patch geometries
Bert Jüttler, Vito Vitrih, Mario Kapl, Katharina Birner, 2015, izvirni znanstveni članek

Opis: We study the linear space of Cs-smooth isogeometric functions defined on a multi-patch domain % % R2. We show that the construction of these functions is closely related to the concept of geometric continuity of surfaces, which has originated in geometric design. More precisely, the Cs-smoothness of isogeometric functions is found to be equivalent to geometric smoothness of the same order (Gs-smoothness) of their graph surfaces. This motivates us to call them Cs-smooth geometrically continuous isogeometric functions. We present a general framework to construct a basis and explore potential applications in isogeometric analysis. The space of C1-smooth geometrically continuous isogeometric functions on bilinearly parameterized two-patch domains is analyzed in more detail. Numerical experiments with bicubic and biquartic functions for performing L2 approximation and for solving Poisson%s equation and the biharmonic equation on two-patch geometries are presented and indicate optimal rates of convergence.
Najdeno v: ključnih besedah
Ključne besede: izogeometrična analiza, geometrijska zveznost, geometrijsko vzezne izogeometrične funkcije, biharmonična enačba, isogeometric analysis, geometric continuity, geometrically continuous isogeometric functions, biharmonic equation, multi-patch domain
Objavljeno: 15.10.2015; Ogledov: 1233; Prenosov: 95
URL Polno besedilo (0,00 KB)

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