增加了输出差异的集合和SPN密码的新区分符
Rahul Girme1, Raghvendra Rohit2, Santanu Sarkar3
1Department of Mathematics, Indian Institute of Technology Madras, Chennai, 600036, India.
Scientific reports
|August 30, 2024
概括
研究人员开发了新的方法来识别替代换网络 (SPN) 密码的弱点,使用输出差异的增强向量空间. 这些新的区分器比以前的加密技术更有效,比如GIFT,PRESENT和SKINNY.
科学领域:
- 密码学和网络安全
- 抽象代数和编码理论
背景情况:
- 替代换网络 (SPN) 是一个基本的区块密码类别.
- 对于SPNs的现有加密分析方法,例如子空间轨迹,在区分密码行为方面存在局限性.
- 对于评估密码安全而言,需要强大而高效的区分器至关重要.
研究的目的:
- 为SPN密码引入新的通用和黑盒区分符.
- 开发一个有效的算法来计算这些区分器.
- 评估新区分器与已建立的加密原始码的有效性.
主要方法:
- 基于新型向量转换的输出差异增强向量空间的构造.
- 利用Reed-Muller代码来确定增强集的线性跨度的排名.
- 对跨越这些增强空间所需的矢量数的实验估计.
- 为SPNs计算增强向量空间开发和应用一个高效的算法.
主要成果:
- 证明了d级增强集合的线性跨度的等级是2^n - 2^(n-d).
- 实验分析为跨越增强空间的矢量要求提供了洞察力.
- 开发的算法有效地计算SPN密码的d级增强向量空间.
- 对于GIFT,PRESENT和SKINNY密码的新区分符涵盖了比子空间轨道更多的轮回.
结论:
- 输出差异的增强向量空间为SPN密码提供了强大的新区分器.
- 拟议的方法为加密分析提供了一种通用和高效的方法.
- 新的区分器表现出卓越的性能,扩展了对圆形减小轻量密码的分析.
更多相关视频
10:31A Visual Guide to Sorting Electrophysiological Recordings Using 'SpikeSorter'
Published on: February 10, 2017
11.1K
05:22Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
Published on: May 9, 2019
5.3K
相关概念视频
01:10Interpreting ¹H NMR Signal Splitting: The (n + 1) Rule
1.2K
In the AX proton spin system, proton A can sense the two spin states of a coupled proton X, resulting in a doublet NMR signal with two peaks of equal (1:1) intensity. When proton A is coupled to two equivalent protons (AX2 spin system), the spin states of each X can be aligned with or against the external field, creating three possible scenarios. This results in a 1:2:1 triplet signal, where the central peak corresponds to the chemical shift of A and is twice as large or intense as the...
1.2K
01:22Sum and Difference OpAmps
674
Operational amplifiers (op-amps) are versatile devices that extend beyond amplification. In this context, two specific op-amp configurations are explored: the summing and difference amplifiers.
A summing amplifier, or an adder, utilizes an op-amp to merge multiple input signals into a single output signal. When audio signals are introduced into its input channels, the input resistors initiate currents that traverse feedback resistors, resulting in an output voltage. Applying Kirchhoff's...
A summing amplifier, or an adder, utilizes an op-amp to merge multiple input signals into a single output signal. When audio signals are introduced into its input channels, the input resistors initiate currents that traverse feedback resistors, resulting in an output voltage. Applying Kirchhoff's...
674
01:09¹H NMR: Pople Notation
1.7K
The Pople nomenclature system classifies spin systems based on the difference between their chemical shifts. Coupled spins are denoted by capital letters with subscripts indicating the number of equivalent nuclei. When the coupled nuclei have well-separated chemical shifts, they are assigned letters that are far apart in the alphabet, such as A and X. When the difference in chemical shifts is small, coupled nuclei are named using adjacent letters of the alphabet (AB, MN, or XY).
A proton...
A proton...
1.7K
01:10Interference: Path Lengths
1.3K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
1.3K
02:26Comparing Copy Number Variations and SNPs
17.7K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
17.7K
01:17Even and Odd Signals
769
An even signal, whether in continuous-time or discrete-time, is defined by its symmetry with its time-reversed version. Mathematically, this is represented as
769