Results 51 to 60 of about 4,860,803 (237)

Machine learning-aided differential-linear attacks with applications to Des and Speck32/64

open access: yesJournal of King Saud University: Computer and Information Sciences
In CRYPTO 2019, Gohr introduced machine learning-aided differential cryptanalysis, demonstrating superior performance in key-recovery attacks compared to traditional methods. This advancement has sparked significant interest in exploring the potential of
Ze-zhou Hou   +2 more
doaj   +1 more source

The effectiveness of the linear hull effect

open access: yesJournal of Mathematical Cryptology, 2012
There is no linear hull effect in linear cryptanalysis.
Murphy Sean
doaj   +1 more source

Distribution of the best nonzero differential and linear approximations of s-box functions

open access: yesJournal of Telecommunications and Information Technology, 2006
In the paper the differential and the linear approximations of two classes of s-box functions are considered. The classes are the permutations and arbitrary functions with n binary inputs and m binary outputs, where 1≤n=m≤10.
Krzysztof Chmiel
doaj   +1 more source

Hierarchical Physical‐Cyber Encryption via Metasurface‐Encoded Holographic Keys

open access: yesAdvanced Science, EarlyView.
ABSTRACT Physical‐layer encryption based on metasurfaces has emerged as a promising alternative to conventional algorithmic cryptography by embedding security into physical processes. However, most existing metasurface‐based encryption schemes operate within single‐stage or static frameworks, where correct physical illumination directly reveals the ...
Zhen Liu   +8 more
wiley   +1 more source

Multidimensional linear cryptanalysis with key difference invariant bias for block ciphers

open access: yesCybersecurity, 2021
For block ciphers, Bogdanov et al. found that there are some linear approximations satisfying that their biases are deterministically invariant under key difference. This property is called key difference invariant bias.
Wenqin Cao, Wentao Zhang
doaj   +1 more source

Differential-Linear Cryptanalysis of Serpent [PDF]

open access: yes, 2003
Serpent is a 128-bit SP-Network block cipher consisting of 32 rounds with variable key length (up to 256 bits long). It was selected as one of the 5 AES finalists. The best known attack so far is a linear attack on an 11-round reduced variant.
Eli Biham, Orr Dunkelman, Nathan Keller
openaire   +1 more source

On Matrix‐Based Cryptography Using Matrix Norm and Special Integer Sequences

open access: yesMathematische Nachrichten, EarlyView.
ABSTRACT In this paper, a novel matrix‐based encryption approach based on the Affine Hill cipher is presented. The key matrix is constructed using the Narayana integer sequence, and the Frobenius norm of the key matrix is used as a scaling factor in the key construction.
Melih Göcen   +1 more
wiley   +1 more source

System approach to disparity estimation [PDF]

open access: yes, 1995
A system approach to disparity estimation using dynamic programming is presented. The four step system can calculate a dense correspondence map between a stereo pair with parallel or nonparallel camera geometry.
Panis, S, Cosmas, J, Ziegler, M
core   +1 more source

Security analysis of an encryption scheme based on nonpositional polynomial notations

open access: yesOpen Engineering, 2016
The aim of the research was to conduct a cryptographic analysis of an encryption scheme developed on the basis of nonpositional polynomial notations to estimate the algorithm strength. Nonpositional polynomial notations (NPNs) are residue number systems (
Kapalova Nursulu   +1 more
doaj   +1 more source

Linear cryptanalysis and block cipher design in East Germany in the 1970s

open access: yesCryptologia, 2018
Linear cryptanalysis (LC) is an important codebreaking method that became popular in the 1990s and has roots in the earlier research of Shamir in the 1980s. In this article we show evidence that linear cryptanalysis is even older.
N. Courtois   +2 more
semanticscholar   +1 more source

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