------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- This file is part of 'Finite Field Arithmetic', aka 'FFA'.               --
--                                                                          --
-- (C) 2017 Stanislav Datskovskiy ( www.loper-os.org )                      --
-- http://wot.deedbot.org/17215D118B7239507FAFED98B98228A001ABFFC7.html     --
--                                                                          --
-- You do not have, nor can you ever acquire the right to use, copy or      --
-- distribute this software ; Should you use this software for any purpose, --
-- or copy and distribute it to anyone or in any manner, you are breaking   --
-- the laws of whatever soi-disant jurisdiction, and you promise to         --
-- continue doing so for the indefinite future. In any case, please         --
-- always : read and understand any software ; verify any PGP signatures    --
-- that you use - for any purpose.                                          --
--                                                                          --
-- See also http://trilema.com/2015/a-new-software-licensing-paradigm .     --
------------------------------------------------------------------------------
------------------------------------------------------------------------------

with Ada.Sequential_IO;

with Words;   use Words;
with FZ_Type; use FZ_Type;


package FFA_RNG is
   
   Default_RNG_Path : constant String := "/dev/random";
   
   -- For reading from RNGs:
   package Word_IO is new Ada.Sequential_IO(Element_Type => Word);
   
   -- Represents an RNG Device:
   type RNG_Device is record
      F : Word_IO.File_Type;
   end record;
   
   -- Prepare an RNG for use; at given path, or will use default
   procedure Init_RNG(RNG           : out RNG_Device;
                      RNG_Unix_Path : in  String := Default_RNG_Path);
   
   -- Fill a FZ from RNG
   procedure FZ_Random(RNG : in RNG_Device;
                       N   : out FZ);
   
end FFA_RNG;