[1]
Guo, J. et al. 2017. Meet-in-the-Middle Attacks on Classes of Contracting and Expanding Feistel Constructions. IACR Transactions on Symmetric Cryptology. 2016, 2 (Feb. 2017), 307–337. DOI:https://doi.org/10.13154/tosc.v2016.i2.307-337.