------------------------------------------------------------------------------
-- Copyright (c) 2014, Natacha Porté --
-- --
-- Permission to use, copy, modify, and distribute this software for any --
-- purpose with or without fee is hereby granted, provided that the above --
-- copyright notice and this permission notice appear in all copies. --
-- --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF --
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. --
------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Natools.GNAT_HMAC is a root for HMAC instances using hash functions --
-- provided by GNAT. Is also provides glue functions. --
------------------------------------------------------------------------------
with Ada.Streams;
with GNAT.MD5;
with GNAT.SHA1;
with GNAT.SHA256;
package Natools.GNAT_HMAC is
generic
type Context is private;
with function Hex_Digest (C : Context) return String;
function Generic_Digest (C : Context)
return Ada.Streams.Stream_Element_Array;
function Digest (C : GNAT.MD5.Context)
return Ada.Streams.Stream_Element_Array;
function Digest (C : GNAT.SHA1.Context)
return Ada.Streams.Stream_Element_Array;
function Digest (C : GNAT.SHA256.Context)
return Ada.Streams.Stream_Element_Array;
end Natools.GNAT_HMAC;