module type S = sig .. end
sig
end
type key
type result = {
message : Cstruct.t;
Cstruct.t
key : key;
key
val of_secret : Cstruct.t -> key
Cstruct.t -> key
val encrypt : key:key -> Cstruct.t -> result
key:key -> Cstruct.t -> result
val decrypt : key:key -> Cstruct.t -> result