-- ====================================================================== -- AES encryption/decryption -- algorithm according to FIPS 197 specification -- Copyright (C) 2011 Torsten Meissner ------------------------------------------------------------------------- -- 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 2 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, write to the Free Software -- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -- ====================================================================== library ieee; use ieee.std_logic_1164.all; use ieee.numeric_std.all; use work.aes_pkg.all; entity aes is generic ( ovl_enable : in boolean ); port ( reset_i : in std_logic; -- async reset clk_i : in std_logic; -- clock mode_i : in std_logic; -- aes-modus: 0 = encrypt, 1 = decrypt key_i : in std_logic_vector(0 TO 127); -- key input data_i : in std_logic_vector(0 TO 127); -- data input valid_i : in std_logic; -- input key/data valid flag data_o : out std_logic_vector(0 TO 127); -- data output valid_o : out std_logic -- output data valid flag ); end entity aes; architecture rtl of aes is begin end architecture rtl;