Aes.rot_word: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/aes/aes.bend as Aes
Lines 179-183 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/aes/aes.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/aes/aes.bend&start_line=179&end_line=183

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/aes/types.bend as T

# Section 5.2: RotWord, SubWord (sub_word above), and Rcon[j] = [x^(j-1), 0, 0, 0].
def rot_word(w: T.Quad) -> T.Quad:
  match w:
    case T.W{a, b, c, d}:
      T.W{b, c, d, a}

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/aes/types.bend&name=Quad