In this study, we revisit linear approximation formulas required for differential-linear analysis of ChaCha, revise the existing linear approximation formula, ...
In this study, we revisit linear approximation formulas required for differential-linear analysis of ChaCha, revise the existing linear approximation formula, ...
We revisit linear-approximation formulae required for the differential-linear analysis of ChaCha [3], check the accuracy experimentally, and find that one of.
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Using this technique, we present the first explicitly derived linear approximations for 3 and 4 rounds of ChaCha and, as a consequence, it enables us to improve ...
Nov 1, 2019 · This complexity is worse than the best known seven round attack. ChaCha: Lemma 10 from [12] states linear approximation over two rounds, m to ...
May 10, 2022 · Revisiting Higher-Order Differential(-Linear) Attacks from an Algebraic Perspective --Applications to Ascon, Grain v1, Xoodoo, and ChaCha.
May 3, 2022 · In Section 2, we describe the detailed structure of ChaCha256 and ChaCha128. Section 3 describes the idea of differential-linear cryptanalysis ...
Jun 18, 2024 · In this study, we derive a new linear approximation for ChaCha with a higher probability bias. In addition, we found a combination of input ...
Recall Equation (1), the bias of a DL approximation is related to the differ- ential bias of the Boolean function f = fλO ◦ E. Thus to study the DL attack, it ...
Aug 16, 2023 · Revisited Linear Approximation formula of ChaCha (Short Paper), Atsuki Nagai and Atsuko Miyaji. Development of the Edge Computing Platform ...