OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [g-sha256.ads] - Blame information for rev 706

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 706 jeremybenn
------------------------------------------------------------------------------
2
--                                                                          --
3
--                         GNAT LIBRARY COMPONENTS                          --
4
--                                                                          --
5
--                          G N A T . S H A 2 5 6                           --
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
-- As a special exception under Section 7 of GPL version 3, you are granted --
19
-- additional permissions described in the GCC Runtime Library Exception,   --
20
-- version 3.1, as published by the Free Software Foundation.               --
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-256 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.SHA2_Common;
40
with GNAT.Secure_Hashes.SHA2_32;
41
with System;
42
 
43
package GNAT.SHA256 is new GNAT.Secure_Hashes.H
44
  (Block_Words    => GNAT.Secure_Hashes.SHA2_Common.Block_Words,
45
   State_Words    => 8,
46
   Hash_Words     => 8,
47
   Hash_Bit_Order => System.High_Order_First,
48
   Hash_State     => GNAT.Secure_Hashes.SHA2_32.Hash_State,
49
   Initial_State  => GNAT.Secure_Hashes.SHA2_32.SHA256_Init_State,
50
   Transform      => GNAT.Secure_Hashes.SHA2_32.Transform);

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.