def aria.rotw

bend-osdev-legacy-ciphers@0.1.0.0 · aria.bend:4519

import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M

4519# the 128-bit block rotated right by n bits (n below 128)
4520def aria.rotw(b: M.CmBlock) -> M.CmBlock:
4521  match b:
4522    case M.CmBlock{a, c, d, e}:
4523      M.CmBlock{e, a, c, d}