val compare : 'a key -> 'a key -> int
val equal : 'a key -> 'a key -> bool
val sk_of_bytes : Stdlib.Bytes.t -> secret key option
val pk_of_bytes : Stdlib.Bytes.t -> public key option
val pk_of_bytes_without_validation : Stdlib.Bytes.t -> public key option
val to_bytes : _ key -> Stdlib.Bytes.t
val blit_to_bytes : _ key -> ?pos:int -> Stdlib.Bytes.t -> unit
val sign : sk:secret key -> msg:Stdlib.Bytes.t -> Stdlib.Bytes.t
val verify :
pk:public key ->
msg:Stdlib.Bytes.t ->
signature:Stdlib.Bytes.t ->
bool