Design of AES S-box Against Electromagnetic Side-channel Attacks
Wang Chuang-wei · Jisuanji gongcheng · 2011
This paper implements a S-box of Advanced Encryption Standard(AES) based on improved Masked Dynamic Differential Logic(MDDL)and semi-custom design flow.The experiment is finished three kinds of S-boxes which are based on different logic cell respectively and adapted the technology of TSMC0.18 μm.The ability against electromagnetic analysis of these S-boxes are evaluated.Experimental results show that electromagnetic emission produced by S-box based on the given defending logic is independent with input data.The new S-box can solve the problem of information leakage caused by the unbalanced dual signal,the capability of defending electromagnetic side-channel attacks of S-box is increased significantly.