File : 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) 2009-2011, 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 3, 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. --
17 -- --
18 -- --
19 -- --
20 -- --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
31
32 -- This package implements the SHA-1 secure hash function as described in
33 -- FIPS PUB 180-3. The complete text of FIPS PUB 180-3 can be found at:
34 -- http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf
35
36 -- See the declaration of GNAT.Secure_Hashes.H in g-sechas.ads for complete
37 -- documentation.
38
39 with GNAT.Secure_Hashes.SHA1;
40 with System;
41
42 package GNAT.SHA1 is new GNAT.Secure_Hashes.H
43 (Block_Words => GNAT.Secure_Hashes.SHA1.Block_Words,
44 State_Words => 5,
45 Hash_Words => 5,
46 Hash_Bit_Order => System.High_Order_First,
47 Hash_State => GNAT.Secure_Hashes.SHA1.Hash_State,
48 Initial_State => GNAT.Secure_Hashes.SHA1.Initial_State,
49 Transform => GNAT.Secure_Hashes.SHA1.Transform);