gcc/ada/g-sha1.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT LIBRARY COMPONENTS                          --
   4 --                                                                          --
   5 --                            G N A T . S H A 1                             --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --           Copyright (C) 2009, Free Software Foundation, Inc.             --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, USA.                                                      --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  This package implements the SHA-1 secure hash function as described in
  35 --  FIPS PUB 180-3. The complete text of FIPS PUB 180-3 can be found at:
  36 --    http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf
  37
  38 --  See the declaration of GNAT.Secure_Hashes.H in g-sechas.ads for complete
  39 --  documentation.
  40
  41 with GNAT.Secure_Hashes.SHA1;
  42 with System;
  43
  44 package GNAT.SHA1 is new GNAT.Secure_Hashes.H
  45   (Block_Words    => GNAT.Secure_Hashes.SHA1.Block_Words,
  46    State_Words    => 5,
  47    Hash_Words     => 5,
  48    Hash_Bit_Order => System.High_Order_First,
  49    Hash_State     => GNAT.Secure_Hashes.SHA1.Hash_State,
  50    Initial_State  => GNAT.Secure_Hashes.SHA1.Initial_State,
  51    Transform      => GNAT.Secure_Hashes.SHA1.Transform);