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题名:
quadratic equations from a kind of s-boxes
作者: Xie Jia ; Cao Weiwei ; Wang TianZe
会议文集: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
会议名称: 10th International Workshop on Information Security Applications
会议日期: AUG 25-27,
出版日期: 2009
会议地点: Busan, SOUTH KOREA
关键词: algebraic attack ; Trace form representation ; APN functions ; power functions
出版者: INFORMATION SECURITY APPLICATIONS
出版地: HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
收录类别: istp,ei
ISSN: 0302-9743
ISBN: 978-3-642-10837-2
部门归属: Xie, Jia Chinese Acad Sci, State Key Lab Informat Securt, Inst Software, Beijing 100790, Peoples R China.
主办者: Elect & Telecommun Res Inst, Korea Internet & Security Agcy, Minist Public Adm & Security, Korea Commun Commiss, ST Ltd
英文摘要: Algebraic attack studies ciphers from the point of view of solving equations. It is important to measure the security of block ciphers how many linearly independent bi-affine or quadratic equations they satisfy. As the S-box is the main nonlinear part of block ciphers, it really makes sense to get the number of linearly independent bi-affine and quadratic equations that an S-box satisfies to analyse the security of block ciphers. The article answers this question for two S-boxes based on APN power functions, and shows how to find out the equations by two toy examples. The techniques can be generalized to other S-boxes constructed by power functions. According to these conclusions, we can estimate the safety of such kind of block ciphers.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8218
Appears in Collections:中科院软件所图书馆_2009年期刊/会议论文

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Recommended Citation:
Xie Jia,Cao Weiwei,Wang TianZe. quadratic equations from a kind of s-boxes[C]. 见:10th International Workshop on Information Security Applications. Busan, SOUTH KOREA. AUG 25-27,.
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