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Overview
Comment:natools-gnat_hmac-*: new packages instances of Natools.HMAC with NAT-provided hash functions
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 20773f86edc4fa1f4d0ec10c1cbde824d3e7bba1
User & Date: nat 2014-04-05 17:08:53.397
Context
2014-04-06
17:01
hmac_tests: fully-covering test suite for HMAC check-in: 29a0283a2f user: nat tags: trunk
2014-04-05
17:08
natools-gnat_hmac-*: new packages instances of Natools.HMAC with NAT-provided hash functions check-in: 20773f86ed user: nat tags: trunk
2014-04-04
21:18
hmac: new package providing a generic HMAC implementation using a formal hash function check-in: 0f22d2b71f user: nat tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Added src/natools-gnat_hmac-md5.ads. 




















































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------------------------------------------------------------------------------
-- 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.           --
------------------------------------------------------------------------------

with GNAT.MD5;
with Natools.HMAC;

package Natools.GNAT_HMAC.MD5 is new Natools.HMAC
  (Hash_Context => GNAT.MD5.Context,
   Initial_Context => GNAT.MD5.Initial_Context,
   Update => GNAT.MD5.Update,
   Digest => Natools.GNAT_HMAC.Digest,
   Block_Size_In_SE => 64);
Added src/natools-gnat_hmac-sha1.ads. 




















































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------------------------------------------------------------------------------
-- 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.           --
------------------------------------------------------------------------------

with GNAT.SHA1;
with Natools.HMAC;

package Natools.GNAT_HMAC.SHA1 is new Natools.HMAC
  (Hash_Context => GNAT.SHA1.Context,
   Initial_Context => GNAT.SHA1.Initial_Context,
   Update => GNAT.SHA1.Update,
   Digest => Natools.GNAT_HMAC.Digest,
   Block_Size_In_SE => 64);
Added src/natools-gnat_hmac-sha256.ads. 




















































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------------------------------------------------------------------------------
-- 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.           --
------------------------------------------------------------------------------

with GNAT.SHA256;
with Natools.HMAC;

package Natools.GNAT_HMAC.SHA256 is new Natools.HMAC
  (Hash_Context => GNAT.SHA256.Context,
   Initial_Context => GNAT.SHA256.Initial_Context,
   Update => GNAT.SHA256.Update,
   Digest => Natools.GNAT_HMAC.Digest,
   Block_Size_In_SE => 64);
Added src/natools-gnat_hmac.adb. 






















































































































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------------------------------------------------------------------------------
-- 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.           --
------------------------------------------------------------------------------

with Natools.S_Expressions.Encodings;

package body Natools.GNAT_HMAC is

   ----------------------------
   -- Generic Implementation --
   ----------------------------

   function Generic_Digest (C : Context)
     return Ada.Streams.Stream_Element_Array is
   begin
      return S_Expressions.Encodings.Decode_Hex
        (S_Expressions.To_Atom (Hex_Digest (C)));
   end Generic_Digest;


   ---------------------------
   -- Specialized Instances --
   ---------------------------

   function MD5_Digest is new Generic_Digest
     (GNAT.MD5.Context, GNAT.MD5.Digest);

   function Digest (C : GNAT.MD5.Context)
     return Ada.Streams.Stream_Element_Array
     renames MD5_Digest;

   function SHA1_Digest is new Generic_Digest
     (GNAT.SHA1.Context, GNAT.SHA1.Digest);

   function Digest (C : GNAT.SHA1.Context)
     return Ada.Streams.Stream_Element_Array
     renames SHA1_Digest;

   function SHA256_Digest is new Generic_Digest
     (GNAT.SHA256.Context, GNAT.SHA256.Digest);

   function Digest (C : GNAT.SHA256.Context)
     return Ada.Streams.Stream_Element_Array
     renames SHA256_Digest;

end Natools.GNAT_HMAC;
Added src/natools-gnat_hmac.ads. 




























































































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------------------------------------------------------------------------------
-- 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;