Low differentially uniform permutations from Dobbertin APN function over ${\mathbb{F}}_{2^n}$

Yan-Ping Wang, WeiGuo Zhang, Zhengbang Zha

Block ciphers use S-boxes to create confusion in the cryptosystems. Such S-boxes are functions over ${\mathbb{F}}_{2^n}$. These functions should have low differential uniformity, h…