def CmAes.key128
import bend-osdev-cipher-modes@0.1.0.0/aes.bend as Aesimport Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
260def CmAes.key128(o: B.Octets) -> Result<&2, &2, M.CmError, CmAesKey>:
261 +xs = B.Octets.to_list(o)
262 aes.key.pick(Nat.is_eq(B.len(xs), 16n), xs)