Results 101 to 110 of about 812,055 (158)

New Bounds on the Number of Functions Satisfying the Strict Avalanche Criterion

open access: yes, 1996
: In this paper we present asymptotic expressions for the number of functions satisfying the Strict Avalanche Criterion (SAC) with respect to one and two variables, previously developed by O'Connor.
P. Stanica   +5 more
core  

A Chaotic-Initiated Discrete Optimization Framework for Cryptographically Strong AES S-Box Generation

open access: yesCybernetics and Information Technologies
Advanced Encryption Standard (AES) security relies on the Substitution box (S-Box), which provides nonlinearity and confusion. Because this algebraic form is fixed, the cipher can be attacked with algebraic and structural cryptanalysis.
Jassim Sameeh Abdulghafour   +2 more
doaj   +1 more source

Station‐Based Assessment of Sub‐Seasonal Climate Trends in the Tyrolean Alps (Austria)

open access: yesInternational Journal of Climatology, Volume 46, Issue 13, 15 November 2026.
In this study, we quantify the magnitude and significance of sub‐seasonal trends in the Tyrolean Alps (Austria) by collecting, processing and analysing meteorological observations from a dense network of climate stations. Our analysis indicates a warming rate of 0.43°C/dec over 1964–2023, greater sub‐seasonal trend variability when the analysis window ...
Erwin Rottler   +6 more
wiley   +1 more source

PENINGKATAN KEAMANAN ALGORITMA AES MENGGUNAKAN MODIFIKASI S-BOX BERBASIS STRICT AVALANCHE CRITERION PADA ENKRIPSI GAMBAR

open access: yes, 2021
Komunikasi menjadi hal yang tidak dapat lepas dari manusia sebagai mahluk sosial. Gambar menjadi komunikasi visual yang paling umum digunakan pada era sekarang. Sedangkan pengiriman gambar melalui jaringan wireless sangat rentan mengalami pembajakan. AES
David Topanto, 4611416041
core  

A Chaos‐Driven Image Encryption Method With Möbius Transformations and Finite‐Ring Diffusion

open access: yesEngineering Reports, Volume 8, Issue 11, November 2026.
This paper presents a lightweight yet highly secure image encryption framework integrating chaotic dynamics, HKDF‐S3 key expansion, and Möbius‐Affine transformations. The proposed scheme achieves strong confusion and diffusion with minimal computational cost, demonstrating high resistance to differential and chosen‐plaintext attacks through dynamic key
Nayeem Ahmad Khan   +4 more
wiley   +1 more source

Heightened threats to small woodland caribou populations in Canada and key considerations for their persistence Menaces pesant sur les petites populations de caribou des bois au Canada et considérations essentielles à leur rétablissement

open access: yesWildlife Monographs, Volume 227, Issue 1, November 2026.
Abstract Woodland caribou (Rangifer tarandus) are one of the most iconic wildlife species in Canada. These large ungulates depend on undisturbed, interconnected assemblages of mature and old‐growth conifer forests for survival, and exhibit life‐history traits typical of K‐selected species (i.e., low reproductive rates, long generation times, and slow ...
Anna M. Calvert   +2 more
wiley   +1 more source

A New Method on Constructing Boolean Functions Satisfying the Strict Avalanche Criterion and Bounds on the Number of SAC Functions

open access: yesDEStech Transactions on Computer Science and Engineering, 2017
Properties of Boolean functions satisfying the Strict Avalanche Criterion (SAC) are studied. A new method of constructing SAC functions is proposed, and it is proved that the Hamming weight of SAC functions with n variables belongs to the set W(n)={k|2n-2 3 2 2 − £ £ × n k , k is an even number}. Finally, the upper and lower bounds of the number of SAC
openaire   +2 more sources

Real and Apparent Deviations From Rational Choice

open access: yesKyklos, Volume 79, Issue 4, Page 1153-1178, November 2026.
ABSTRACT This paper offers a taxonomy of real and apparent deviations from rationality. The taxonomy is based on three axes of divides—whereas the axes are successive refinements. The outermost‐axis divide delineates “anxiety‐based choices” from “anxiety‐free choices.” Anxiety‐based choices are real deviations such as the Allais and Ellsberg paradoxes ...
Elias L. Khalil
wiley   +1 more source

Modern Avalanche Rescue

open access: yes, 1968
Discusses recommended pre-accident planning and introduces a three-stage rescue approach for avalanche ...
Perla, Ronald I.
core  

Home - About - Disclaimer - Privacy