def open
import bend-collections@1.0.0.0/spec/crypto/chacha20poly1305.bend as Chacha20poly1305import Base
61def open(+key: List<&2, U32>, +nonce: List<&2, U32>, +aad: List<&2, U32>, +data: List<&2, U32>) -> Maybe<&2, List<&2, U32>>:
62 open_len(Nat.is_lt(List.length(&2, U32, data), 16n), key, nonce, aad, data)