| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT LIBRARY COMPONENTS -- |
| -- -- |
| -- G N A T . S H A 5 1 2 -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2009-2011, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This package implements the SHA-512 secure hash function as described in |
| -- FIPS PUB 180-3. The complete text of FIPS PUB 180-3 can be found at: |
| -- http://csrc.nist.gov/publications/fips/fips180-3/fips180-3_final.pdf |
| |
| -- See the declaration of GNAT.Secure_Hashes.H in g-sechas.ads for complete |
| -- documentation. |
| |
| with GNAT.Secure_Hashes.SHA2_Common; |
| with GNAT.Secure_Hashes.SHA2_64; |
| with System; |
| |
| package GNAT.SHA512 is new GNAT.Secure_Hashes.H |
| (Block_Words => GNAT.Secure_Hashes.SHA2_Common.Block_Words, |
| State_Words => 8, |
| Hash_Words => 8, |
| Hash_Bit_Order => System.High_Order_First, |
| Hash_State => GNAT.Secure_Hashes.SHA2_64.Hash_State, |
| Initial_State => GNAT.Secure_Hashes.SHA2_64.SHA512_Init_State, |
| Transform => GNAT.Secure_Hashes.SHA2_64.Transform); |