@misc{cryptoeprint:2020:546, author = {Xin An and Kai Hu and Meiqin Wang}, title = {MixColumns Coefficient Property and Security of the AES with A Secret S-Box}, howpublished = {Cryptology ePrint Archive, Report 2020/546}, year = {2020}, url = {https://eprint.iacr.org/2020/546}, }