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Title:
基于高阶差分的type-1广义Feistel-SP结构与Feistel-SPSP结构比较研究
Alternative Title: Higher-order differences based research on comparison between type-1 generalized feistel-SP network and Feistel-SPSP network
Author: 董乐 ; 杜蛟 ; 吴文玲
Corresponding Author: Dong, Le
Keyword: type-1广义Feistel结构 ; 单SP函数 ; 双SP函数 ; 高阶差分 ; 伪随机性 ; type-1 Feistel structure ; single SP-function ; double SP-function ; higher-order difference ; pseudo-randomness
Source: 通信学报
Issued Date: 2014
Volume: 35, Issue:7, Pages:1-9
Indexed Type: EI ; CSCD
Department: 河南师范大学数学与信息科学学院,河南新乡453007;河南师范大学数学与科学计算实验室,河南新乡453007 中国科学院软件研究所可信计算与信息保障实验室,北京,100190
Abstract: 通过对代数次数增加情况的分析,研究了type-1广义Feistel结构下,单SP(sub stitution-permutation)模型与双SP模型抵抗高阶差分分析的能力.结合高阶积分与高阶差分思想,开发了四路type-1广义Feistel-SP与Feistel-SPSP结构代数次数上界估计的新方法.利用这一方法,分别构造了这2种结构在2种常用参数下的区分器.结果显示,四路type-1广义Feistel结构下,双SP模型抵抗高阶差分攻击的能力不如单SP模型.
English Abstract: The powers against the higher-order differential cryptanalysis of the single-SP(substitution-permutation) model and the double-SP model are studied in the type-1 Feistel network by analyzing the growths of algebraic degrees. Combining the higher-order integral and the higher-order difference, a new method is exploited to estimate the upper bounds of algebraic degrees for the 4-line type-1 Feistel-SP scheme and the 4-line type-1 Feistel-SPSP scheme. Applying the new method, distinguishers of the two schemes are constructed with four common parameters. As a result, the double-SP model is weaker than the single-SP model against the higher-order differential attack under the 4-line type-1 Feistel structure.
Language: 中文
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Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/16720
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
董乐,杜蛟,吴文玲. 基于高阶差分的type-1广义Feistel-SP结构与Feistel-SPSP结构比较研究[J]. 通信学报,2014-01-01,35(7):1-9.
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