相关期刊:《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》《Science China(Information Sciences)》《Statistical Theory and Related Fields》《Frontiers of Computer Science》更多>>
Substitution boxes (S-boxes) are often used as the most important nonlinear components in many symmetric encryption algorithms. The cryptographic properties of an S-box directly affect the security of the whole ciph...
This work is supported by the National Natural Science Foundation of China (No.60603010, No.60873233) and the Open Subject of State Key Laboratory of Information Security (Graduate School of Chinese Academy of Sciences) (No.03-06).
The relations between cryptographic properties of S-box and its component functions are researched in this paper. First, the concepts of k-k independence and probability product function of S-box are introduced, the i...