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----------------------------------------------------------------------------------
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-- Company:
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-- Copyright (c) 2013 Antonio de la Piedra
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-- Engineer:
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--
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-- This program is free software: you can redistribute it and/or modify
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-- Create Date: 18:16:46 02/19/2013
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-- it under the terms of the GNU General Public License as published by
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-- Design Name:
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-- the Free Software Foundation, either version 3 of the License, or
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-- Module Name: f_fun - Behavioral
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-- (at your option) any later version.
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-- Project Name:
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-- Target Devices:
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-- This program is distributed in the hope that it will be useful,
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-- Tool versions:
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- Description:
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--
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-- GNU General Public License for more details.
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-- Dependencies:
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--
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-- You should have received a copy of the GNU General Public License
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-- Revision:
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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-- Revision 0.01 - File Created
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-- Additional Comments:
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--
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----------------------------------------------------------------------------------
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library IEEE;
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library IEEE;
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use IEEE.STD_LOGIC_1164.ALL;
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use IEEE.STD_LOGIC_1164.ALL;
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entity f_fun is
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entity f_fun is
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port(clk : in std_logic;
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port(clk : in std_logic;
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r_in(16) & r_in(15) & r_in(14) & r_in(13) & r_in(12) & r_in(11) &
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r_in(16) & r_in(15) & r_in(14) & r_in(13) & r_in(12) & r_in(11) &
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r_in(12) & r_in(11) & r_in(10) & r_in(9) & r_in(8) & r_in(7) &
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r_in(12) & r_in(11) & r_in(10) & r_in(9) & r_in(8) & r_in(7) &
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r_in(8) & r_in(7) & r_in(6) & r_in(5) & r_in(4) & r_in(3) &
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r_in(8) & r_in(7) & r_in(6) & r_in(5) & r_in(4) & r_in(3) &
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r_in(4) & r_in(3) & r_in(2) & r_in(1) & r_in(0) & r_in(31);
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r_in(4) & r_in(3) & r_in(2) & r_in(1) & r_in(0) & r_in(31);
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-- DSP_XOR_0 : dsp_xor_48 port map (clk, blk_exp_s, k_in, post_exp_key_add_s);
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post_exp_key_add_s <= blk_exp_s xor k_in;
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post_exp_key_add_s <= blk_exp_s xor k_in;
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-- S_BOX_0 : s_box_dram_1 port map (post_exp_key_add_s(47 downto 42), post_s_box_s(31 downto 28));
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-- S_BOX_1 : s_box_dram_2 port map (post_exp_key_add_s(41 downto 36), post_s_box_s(27 downto 24));
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-- S_BOX_2 : s_box_dram_3 port map (post_exp_key_add_s(35 downto 30), post_s_box_s(23 downto 20));
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-- S_BOX_3 : s_box_dram_4 port map (post_exp_key_add_s(29 downto 24), post_s_box_s(19 downto 16));
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-- S_BOX_4 : s_box_dram_5 port map (post_exp_key_add_s(23 downto 18), post_s_box_s(15 downto 12));
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-- S_BOX_5 : s_box_dram_6 port map (post_exp_key_add_s(17 downto 12), post_s_box_s(11 downto 8));
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-- S_BOX_6 : s_box_dram_7 port map (post_exp_key_add_s(11 downto 6), post_s_box_s(7 downto 4));
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-- S_BOX_7 : s_box_dram_8 port map (post_exp_key_add_s(5 downto 0), post_s_box_s(3 downto 0));
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S_BOX_0 : s_box_dram_1 port map (post_exp_key_add_s(47 downto 42), post_s_box_s(31 downto 28));
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S_BOX_0 : s_box_dram_1 port map (post_exp_key_add_s(47 downto 42), post_s_box_s(31 downto 28));
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S_BOX_1 : s_box_dram_2 port map (post_exp_key_add_s(41 downto 36), post_s_box_s(27 downto 24));
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S_BOX_1 : s_box_dram_2 port map (post_exp_key_add_s(41 downto 36), post_s_box_s(27 downto 24));
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S_BOX_2 : s_box_dram_3 port map (post_exp_key_add_s(35 downto 30), post_s_box_s(23 downto 20));
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S_BOX_2 : s_box_dram_3 port map (post_exp_key_add_s(35 downto 30), post_s_box_s(23 downto 20));
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S_BOX_3 : s_box_dram_4 port map (post_exp_key_add_s(29 downto 24), post_s_box_s(19 downto 16));
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S_BOX_3 : s_box_dram_4 port map (post_exp_key_add_s(29 downto 24), post_s_box_s(19 downto 16));
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S_BOX_4 : s_box_dram_5 port map (post_exp_key_add_s(23 downto 18), post_s_box_s(15 downto 12));
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S_BOX_4 : s_box_dram_5 port map (post_exp_key_add_s(23 downto 18), post_s_box_s(15 downto 12));
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S_BOX_5 : s_box_dram_6 port map (post_exp_key_add_s(17 downto 12), post_s_box_s(11 downto 8));
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S_BOX_5 : s_box_dram_6 port map (post_exp_key_add_s(17 downto 12), post_s_box_s(11 downto 8));
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S_BOX_6 : s_box_dram_7 port map (post_exp_key_add_s(11 downto 6), post_s_box_s(7 downto 4));
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S_BOX_6 : s_box_dram_7 port map (post_exp_key_add_s(11 downto 6), post_s_box_s(7 downto 4));
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S_BOX_7 : s_box_dram_8 port map (post_exp_key_add_s(5 downto 0), post_s_box_s(3 downto 0));
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S_BOX_7 : s_box_dram_8 port map (post_exp_key_add_s(5 downto 0), post_s_box_s(3 downto 0));
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r_out <= post_s_box_s(16) & post_s_box_s(25) & post_s_box_s(12) & post_s_box_s(11) & post_s_box_s(3) & post_s_box_s(20) & post_s_box_s(4) & post_s_box_s(15) &
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r_out <= post_s_box_s(16) & post_s_box_s(25) & post_s_box_s(12) & post_s_box_s(11) & post_s_box_s(3) & post_s_box_s(20) & post_s_box_s(4) & post_s_box_s(15) &
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post_s_box_s(31) & post_s_box_s(17) & post_s_box_s(9) & post_s_box_s(6) & post_s_box_s(27) & post_s_box_s(14) & post_s_box_s(1) & post_s_box_s(22) &
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post_s_box_s(31) & post_s_box_s(17) & post_s_box_s(9) & post_s_box_s(6) & post_s_box_s(27) & post_s_box_s(14) & post_s_box_s(1) & post_s_box_s(22) &
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post_s_box_s(30) & post_s_box_s(24) & post_s_box_s(8) & post_s_box_s(18) & post_s_box_s(0) & post_s_box_s(5) & post_s_box_s(29) & post_s_box_s(23) &
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post_s_box_s(30) & post_s_box_s(24) & post_s_box_s(8) & post_s_box_s(18) & post_s_box_s(0) & post_s_box_s(5) & post_s_box_s(29) & post_s_box_s(23) &
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post_s_box_s(13) & post_s_box_s(19) & post_s_box_s(2) & post_s_box_s(26) & post_s_box_s(10) & post_s_box_s(21) & post_s_box_s(28) & post_s_box_s(7);
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post_s_box_s(13) & post_s_box_s(19) & post_s_box_s(2) & post_s_box_s(26) & post_s_box_s(10) & post_s_box_s(21) & post_s_box_s(28) & post_s_box_s(7);
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