Yuechuan Wei, Ping Li, Bing Sun, Chao Li. Impossible Differential Cryptanalysis on Feistel Ciphers with ::::SP:::: and ::::SPS:::: Round Functions. In Jianying Zhou, Moti Yung, editors, Applied Cryptography and Network Security, 8th International Conference, ACNS 2010, Beijing, China, June 22-25, 2010. Proceedings. Volume 6123 of Lecture Notes in Computer Science, pages 105-122, 2010. [doi]
Abstract is missing.