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Abstract:
Qu-Tan-Tan-Li函数、Zha-Hu-Sun函数和Tang-Carlet-Tang函数是近些年提出的差分均匀度为4、各项安全性指标均优良的向量值密码函数.研究与这3种密码函数仿射等价函数的计数问题.利用有限域的一些性质,分别计算出与Zha-Hu-Sun函数仿射等价函数数量的上下界,与Qu-Tan-Tan-Li函数和Tang-Carlet-Tang函数仿射等价函数数量的上界.此外,对于Zha-Hu-Sun函数仿射等价函数数量的精确值提出了猜测.研究结果表明,有限域GF(28)上至少有253[8Πi=1(2i-1]2个与Zha-Hu-Sun函数仿射等价的密码函数可直接用于分组密码的S盒.
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Source :
通信学报
ISSN: 1000-436X
Year: 2017
Issue: 11
Volume: 38
Page: 84-92
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 0
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