Security Evaluation Against Differential Cryptanalysis for Four-Block CLEFIA-Like Transform Cluster

WANG Nian-ping

doi:10.3969/j.issn.0372-2112.2017.10.030

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Security Evaluation Against Differential Cryptanalysis for Four-Block CLEFIA-Like Transform Cluster

更新时间：2025-07-16

- Security Evaluation Against Differential Cryptanalysis for Four-Block CLEFIA-Like Transform Cluster
- Acta Electronica Sinica Vol. 45, Issue 10, Pages: 2528-2532(2017)
- 作者机构：
  
  1. 解放军信息工程大学密码工程学院,河南,郑州,450001
  2. 解放军信息工程大学密码工程学院,河南,郑州,450001
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61672031, No.61402523, No.61572516)
- DOI：10.3969/j.issn.0372-2112.2017.10.030
  CLC： TN918.1
- Published：2017
- 稿件说明：
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WANG Nian-ping. Security Evaluation Against Differential Cryptanalysis for Four-Block CLEFIA-Like Transform Cluster[J]. Acta Electronica Sinica, 2017, 45(10): 2528-2532.
DOI：

WANG Nian-ping. Security Evaluation Against Differential Cryptanalysis for Four-Block CLEFIA-Like Transform Cluster[J]. Acta Electronica Sinica, 2017, 45(10): 2528-2532. DOI： 10.3969/j.issn.0372-2112.2017.10.030.

摘要

差分密码分析是针对分组密码的强有力的攻击方法，估计分组密码抵抗差分密码分析的能力是分组密码安全性评估的重要内容之一.基于实际应用背景，提出了四分组类CLEFIA变换簇的概念，并利用变换簇中两种特殊分组密码结构的差分对应之间的关系，给出了变换簇中所有密码结构抵抗差分密码分析的安全性评估结果.

Abstract

Differential cryptanalysis is a powerful attack on block ciphers and to evaluate the security against differential cryptanalysis is an important part for the security evaluation of block ciphers.Based on practical application background

the concept of four-block CLEFIA-like transform cluster is put forward.Using the relation between differential correspondences of two special block cipher structures

security evaluation against differential cryptanalysis for all block cipher structures of the cluster is given.

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