type signature = {
r : Curve.t;
s : bool list;
}
type msg = Stdlib.Bytes.t
val point_of_compressed_bytes_opt : Stdlib.Bytes.t -> Curve.t option
val point_of_compressed_bytes_exn : Stdlib.Bytes.t -> Curve.t
val scalar_of_bytes_exn : Stdlib.Bytes.t -> bool list