Vliv nelinearity na vybraná kryptografická kritéria 8x8 S-boxů

IF 0.8 Q4 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Acta Informatica Pragensia Pub Date : 2017-08-31 DOI:10.18267/j.aip.107
Petr Tesar
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引用次数: 0

Abstract

V clanku jsou definovana standardně použivana kriteria charakterizujici kryptografickou kvalitu S-boxu: regularnost, nelinearita, autokorelace, propagace změny a imunita proti diferencni kryptoanalýze. Jsou porovnany hodnoty autokorelace, propagace změny a imunity proti diferencni kryptoanalýze pro regularni 8x8 S-boxy s nelinearitou 98, a regularnich 8x8 S-boxů s nelinearitou 104. Je statisticky ověřeno, že vyssi nelinearita zlepsuje, v kryptograficky výhodnem smyslu, hodnoty těchto kriterii.
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非线性对所选密码准则8x8 S盒的影响
表征S盒密码质量的标准被定义为clank中的标准:规则性、非线性、自相关、变化的传播和对密码分析的免疫力。将自相关、变化传播和对差分密码分析的抗扰度的值分别与具有非线性98的正则8x8S盒和具有非线性104的正则8x8 S盒进行比较。经统计验证,vyssinelinerita在密码学上有利地提高了这些标准的值。
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来源期刊
Acta Informatica Pragensia
Acta Informatica Pragensia Social Sciences-Library and Information Sciences
CiteScore
1.70
自引率
0.00%
发文量
26
审稿时长
12 weeks
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