steelcrypt/src/algorithms/sha2/sha2_512.ads

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1.6 KiB
Ada

-- Copyright (C) 2015 Daniel Otte <bg@nerilex.org>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
with Crypto_Core_Types; use Crypto_Core_Types;
with Crypto_Types; use Crypto_Types;
with Sha2_Large;
use Crypto_Types.Crypto_Types_u8;
use Crypto_Types.Crypto_Types_u64;
package SHA2_512 is
type Context_T is private;
BlockSize_Bits : constant := 1024;
DigestSize_Bits : constant := 512;
BlockSize_Bytes : constant := (BlockSize_Bits) / 8;
DigestSize_Bytes : constant := (DigestSize_Bits) / 8;
procedure Initialize(Context : out Context_T);
procedure Next_Block(Context : in out Context_T; Block : in Block_1024_Bit);
procedure Last_Block(Context : in out Context_T; Block : in u8_Array; Bits : in Integer := -1);
procedure Get_Digest(Context : in out Context_T; Digest : out Block_512_Bit);
procedure Hash(Data : in u8_array; Digest : out Block_512_Bit; Bits : in Integer := -1);
private
type Context_T is new Sha2_Large.Context_T;
end SHA2_512;