4 ms·
As far as I can tell, the increase from 18 to 24 rounds was not NIST's call, but due to the zero-sum distinguishers found on Keccak-f, which made it no longer "
by nincompope 9y ago
As far as I can tell, the increase from 18 to 24 rounds was not NIST's call, but due to the zero-sum distinguishers found on Keccak-f, which made it no longer "hermetic": http://keccak.noekeon.org/NoteZeroSum.pdf http://keccak.noekeon.org/NoteZeroSum.pdf