def tf.rounds

bend-osdev-legacy-ciphers@0.1.0.0 · twofish.bend:282

import Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L

282# the rounds' steps from round r, with the pairs K_(2r+8), K_(2r+9) in ks
283def tf.rounds(ks: List<&2, L.LcBlock64>, +t: LcTfTabs, +s: List<&2, U32>) -> List<&2, LcTfOp>:
284  match ks:
285    case Nil{}:
286      Nil{}
287    case Con{L.LcBlock64{a, b}, rest}:
288      Con{LcTfRound{t, s, a, b}, tf.rounds(rest, t, s)}