-- Implementation of the Lilliput-TBC tweakable block cipher by the
-- Lilliput-AE team, hereby denoted as "the implementer".
--
-- For more information, feedback or questions, refer to our website:
-- https://paclido.fr/lilliput-ae
--
-- To the extent possible under law, the implementer has waived all copyright
-- and related or neighboring rights to the source code in this file.
-- http://creativecommons.org/publicdomain/zero/1.0/

library IEEE;
library work;
use IEEE.numeric_std.all;
use IEEE.std_logic_1164.all;
use work.crypt_pack.all;


entity top is port (
    start_i 	: in std_logic;
    clock_i 	: in std_logic;
    reset_i 	: in std_logic; 
    data_i 		: in bit128;
    key_i 		: in bit_key;
    data_o 		: out bit128;
    tweak_i	 	: in bit_tweak;
	 decrypt_i 	: in std_logic;
    liliput_on_out : out std_logic
    );

end top;

architecture top_arch of top is

component roundexe_liliput port(
    clock_i         	: in std_logic;
    reset_i         	: in std_logic;
    data_i          	: in bit128; --donnée d'entrée lors du premier Round
    keyb_i          	: in bit_key;
    tweak_i         	: in bit_tweak;
	 invert_i		  	: in std_logic;
    round_number_i  	: in std_logic_vector(7 downto 0);
    permut_valid_i  	: in std_logic; --permet de savoir si on fait la permutation à la fin 
    muxsel_i        	: in std_logic; --En lien avec data_i permet la selection des données d'entrée au cours d'un Round
    data_out_valid_i	: in std_logic;
	 decrypt_i 		  	: in std_logic;
    data_o          	: out bit128
    );
end component;

component fsm_chiffrement port (
    start_i 			: in std_logic;
    clock_i 			: in std_logic;
    reset_i 			: in std_logic;
	 decrypt_i 			: in std_logic;
    compteur_o 			: out std_logic_vector(7 downto 0);
    liliput_on_out 		: out std_logic; --Sortie à titre informative
    data_out_valid_o 	: out std_logic; --Vient à l'entrée du round exe pour s 
    permutation_o 		: out std_logic;
	 invert_o 			: out std_logic;
    muxsel_o 			: out std_logic
	);
end component;

signal data_out_valid_o_s 	: std_logic;
signal permutation_o_s 		: std_logic;
signal compteur_o_s 		: std_logic_vector(7 downto 0);
signal muxsel_o_s 			: std_logic;
signal invert_s 			: std_logic;

begin

machine_a_etat : fsm_chiffrement port map(
    start_i 			=> start_i,
    clock_i 			=> clock_i,
    reset_i 			=> reset_i,
	 decrypt_i 			=> decrypt_i,
    compteur_o 			=> compteur_o_s,
    liliput_on_out 		=> liliput_on_out, --Sortie à titre informative
    data_out_valid_o 	=> data_out_valid_o_s,  --Vient à l'entrée du round exe pour s 
    permutation_o 		=> permutation_o_s,
	 invert_o 			=> invert_s,
    muxsel_o 			=> muxsel_o_s
);


roundexe_general : roundexe_liliput port map(
    clock_i 			=> clock_i,
    reset_i 			=> reset_i,
    data_i 				=> data_i,
    keyb_i 				=> key_i,
    tweak_i				=> tweak_i,
	 invert_i 			=> invert_s,
    round_number_i 		=> compteur_o_s,
    permut_valid_i 		=> permutation_o_s,
    muxsel_i 			=> muxsel_o_s,
    data_out_valid_i 	=> data_out_valid_o_s,
	 decrypt_i 			=> decrypt_i,
    data_o 				=> data_o
);

end top_arch;

configuration top_conf of top is
    for top_arch
        for machine_a_etat : fsm_chiffrement
            use entity work.fsm_chiffrement(fsm_chiffrement_arch);
        end for;
        for roundexe_general : roundexe_liliput
            use entity work.roundexe_liliput(roundexe_liliput_arch);
        end for;
    end for;
end configuration top_conf;