Twofish.tf.rs.row: def of bend-osdev-legacy-ciphers@0.1.0.0
Import: import bend-osdev-legacy-ciphers@0.1.0.0/twofish.bend as Twofish
Lines 255-261 of bend-osdev-legacy-ciphers@0.1.0.0/twofish.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/twofish.bend&start_line=255&end_line=261

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

# row r of RS times the 8 key bytes from byte j
def tf.rs.row(n: Nat, +xs: List<&2, U32>, +r: Nat, +j: Nat, +c: Nat, acc: U32) -> U32:
  match n:
    case 0n:
      acc
    case 1n+p:
      tf.rs.row(p, xs, r, j, Nat.add(c, 1n), U32.xor(acc, tf.gmul(L.lc.at(tf.rs(), Nat.add(Nat.mul(8n, r), c)), L.lc.at(xs, Nat.add(j, c)), 77)))

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.xor
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=lc.at
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/twofish.bend&name=tf.gmul
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/twofish.bend&name=tf.rs