Daemen, J., B. Mennink, and G. Van Assche. “Sound Hashing Modes of Arbitrary Functions, Permutations, and Block Ciphers”. IACR Transactions on Symmetric Cryptology, vol. 2018, no. 4, Dec. 2018, pp. 197-28, doi:10.13154/tosc.v2018.i4.197-228.