Hcs.Plug.Session.Cookie_store

val create : secret:string -> ?max_age:float -> unit -> store

val serialize : (string * string) list -> string

val deserialize : string -> (string * string) list

val encrypt : secret:String.t -> max_age:'a -> (string * string) list -> string

val decrypt : 
  secret:String.t ->
  max_age:float ->
  string ->
  (string * string) list option