四分组类CLEFIA变换簇抵抗差分密码分析的安全性评估OA北大核心CSCDCSTPCD
Security Evaluation Against Differential Cryptanalysis for Four-Block CLEFIA-Like Transform Cluster
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.
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 cryptanalysi…查看全部>>
王念平
解放军信息工程大学密码工程学院,河南郑州450001
信息技术与安全科学
分组密码四分组类CLEFIA变换簇差分密码分析活动轮函数
block ciphersfour-block CLEFIA-like transform clusterdifferential cryptanalysisactive round function
《电子学报》 2017 (10)
基于混合运算的密码模型研究
2528-2532,5
国家自然科学基金(No.61672031,No.61402523,No.61572516)
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