A Design Method for Linear Layer of SPN Structure
Yuanda Cao · Jisuanji gongcheng · 2005
The theory of linear code is applied into designing the linear(or diffusion) layer in block cipher with SPN structure.At the same time,it presents the method of designing optimal linear mapping with the linear code,which provides the theory basis of designing optimal linear mapping.As an example,a linear mapping is designed,analyzed and simulated.