Subversion Repositories noekeoncore

-- Copyright (c) 2013 Antonio de la Piedra

-- 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/>.

library IEEE;

use IEEE.STD_LOGIC_1164.ALL;

entity t_m_2 is

        port(clk : in std_logic;

                  a_0_in : in std_logic_vector(31 downto 0);

                  a_1_in : in std_logic_vector(31 downto 0);

             a_2_in : in std_logic_vector(31 downto 0);

                  a_3_in : in std_logic_vector(31 downto 0);

                  k_0_in : in std_logic_vector(31 downto 0);

                  k_1_in : in std_logic_vector(31 downto 0);

             k_2_in : in std_logic_vector(31 downto 0);

                  k_3_in : in std_logic_vector(31 downto 0);

                  a_0_out : out std_logic_vector(31 downto 0);

                  a_1_out : out std_logic_vector(31 downto 0);

             a_2_out : out std_logic_vector(31 downto 0);

                  a_3_out : out std_logic_vector(31 downto 0));

end t_m_2;

architecture Behavioral of t_m_2 is

begin

        a_0_out <= a_0_in xor k_0_in;

        a_1_out <= a_1_in xor k_1_in;

        a_2_out <= a_2_in xor k_2_in;

        a_3_out <= a_3_in xor k_3_in;

        -- a[0] ^= k[0];                                                tmp_4_s

        -- a[1] ^= k[1];                                                tmp_5_s

        -- a[2] ^= k[2];                                                tmp_6_s

        -- a[3] ^= k[3];                                                tmp_7_s

end Behavioral;