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ICISC
1998
110views Cryptology» more  ICISC 1998»
13 years 6 months ago
The nonhomomorphicity of S-boxes
Abstract. In this paper, we introduce the concept of kth-order nonhomomorphicity of mappings or S-boxes as an alternative indicator that forecasts nonlinearity characteristics of a...
Yuliang Zheng, Xian-Mo Zhang
CORR
2010
Springer
149views Education» more  CORR 2010»
13 years 5 months ago
Pebbling and Branching Programs Solving the Tree Evaluation Problem
We study restricted computation models related to the tree evaluation problem. The TEP was introduced in earlier work as a simple candidate for the (very) long term goal of separa...
Dustin Wehr