@misc{cryptoeprint:2019:248, author = {Ting Li and Yao Sun}, title = {Preimage Attacks on Round-reduced Keccak-224/256 via an Allocating Approach}, howpublished = {Cryptology ePrint Archive, Report 2019/248}, year = {2019}, url = {https://eprint.iacr.org/2019/248}, }