Module My_std.Digest

module Digest: sig .. end

type t = string 

val string : string -> t

val substring : string -> int -> int -> t

val channel : Pervasives.in_channel -> int -> t

val file : string -> t

val output : Pervasives.out_channel -> t -> unit

val input : Pervasives.in_channel -> t

val to_hex : t -> string