steelcrypt/src/algorithms/spritz/spritz.ads

47 lines
1.5 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_Utils_u8;
package Spritz is
N : constant Integer:= 256;
type Context is private;
procedure Initialize (ctx : out Context);
procedure AbsorbStop (ctx : in out Context);
procedure Absorb (ctx : in out Context; x : in u8);
procedure Absorb (ctx : in out Context; x : in u8_Array);
procedure Absorb (ctx : in out Context; x : in String);
procedure Absorb (ctx : in out Context; x : in Natural);
procedure Drip (ctx : in out Context; z : out u8);
procedure Squeeze (ctx : in out Context; P : out u8_Array);
private
type S_Array is Array (u8 range <>) of u8;
type Context is record
S : S_Array (0 .. u8(N - 1));
i, j, k, z, w, a : u8;
end record;
end Spritz;