steelcrypt/src/algorithms/aria/aria.ads

53 lines
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;
use Crypto_Types.Crypto_Types_u8;
package ARIA is
type Key_128 is new Block_128_Bit;
type Key_192 is new Block_192_Bit;
type Key_256 is new Block_256_Bit;
type Context_T is private;
type Plaintext is new Block_128_Bit;
type Ciphertext is new Block_128_Bit;
procedure Initialize(Context : out Context_T; Key : in Key_128);
procedure Initialize(Context : out Context_T; Key : in Key_192);
procedure Initialize(Context : out Context_T; Key : in Key_256);
procedure Encrypt(Context : in Context_T; Block: in out Block_128_Bit);
procedure Decrypt(Context : in Context_T; Block: in out Block_128_Bit);
private
type PreKey_T is new Block_128_Bit;
type PreKeys_T is Array (1 .. 4) of PreKey_T;
type Num_Rounds is range 1 .. 16;
type Context_T is record
W : PreKeys_T;
Rounds : Num_Rounds;
end record;
end ARIA;