Yao-Ling Ding Jing-Yuan Zhao Lei-Bo Li Hong-Bo Yu Impossible Differential Analysis on Round-Reduced PRINCE. 1041-1053 2017 33 J. Inf. Sci. Eng. 4 https://jise.iis.sinica.edu.tw/JISESearch/pages/View/PaperView.jsf?keyId=157_2080 db/journals/jise/jise33.html#DingZLY17