... computing Chemical computing Quantum computing Cryptography An issue of Ercim News has the special theme of “Unconventional Computing Paradigms”, introduced by Stepney (2011) . In her witty and perceptive article she refers to a remark made elsewhere that the study of non‐linear systems...

...@yahoo.com.cn © Emerald Group Publishing Limited 2011 Cybernetics Boolean functions Algebra Cryptography The cryptographic characteristics of Boolean functions, such as diffusion, correlation‐immunity, and non‐linearity are surely closely connected with the structure of Boolean functions...

... by df(x)/dx_i. So, Theorem 1's initial value condition has common sense. Furthermore, it is known from Theorem 1 that because the Boolean function's derivative might eliminate some items and it is very difficult to get primary function. In cryptography, in order to build...

...Francisco A. Pujol; Higinio Mora; José Luis Sánchez; Antonio Jimeno Purpose Cryptography has become an essential feature for many current technological applications. Cryptographic methods are usually divided into private‐key (or symmetric) and public‐key (or asymmetric) algorithms. The purpose...