diff options
Diffstat (limited to 'implementations/vhdl/Encrypt_Decypt/lilliputtbcii256v1/machine_etat_chiffrement.vhd')
| -rw-r--r-- | implementations/vhdl/Encrypt_Decypt/lilliputtbcii256v1/machine_etat_chiffrement.vhd | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/implementations/vhdl/Encrypt_Decypt/lilliputtbcii256v1/machine_etat_chiffrement.vhd b/implementations/vhdl/Encrypt_Decypt/lilliputtbcii256v1/machine_etat_chiffrement.vhd deleted file mode 100644 index b40bc65..0000000 --- a/implementations/vhdl/Encrypt_Decypt/lilliputtbcii256v1/machine_etat_chiffrement.vhd +++ /dev/null @@ -1,181 +0,0 @@ -library IEEE; -library work; -use IEEE.numeric_std.all; -use IEEE.std_logic_1164.all; -use work.crypt_pack.all; - -entity fsm_chiffrement is 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 fsm_chiffrement; - -architecture fsm_chiffrement_arch of fsm_chiffrement is - -type state is (etat_initial, e_firstround, e_loopround, e_lastround, d_initfirst,d_initloop,d_initlast,d_firstround, d_loopround, d_lastround); - -signal present, futur : state; -signal compteur : integer range 0 to ROUND+1; - -begin - -compteur_o <= std_logic_vector(to_unsigned(compteur,8)); - -process_0 : process(clock_i,reset_i) -begin - if reset_i = '0' then - present <= etat_initial; - compteur <= 0; - elsif clock_i'event and clock_i='1' then - present <= futur; - if( present =d_loopround or present =d_firstround ) then - compteur <= compteur -1; - elsif ( present =d_initloop or present =d_initfirst or present =d_initlast or present = e_firstround or present =e_loopround ) then - compteur <= compteur+1; - else - compteur <= 0; - end if; - end if; -end process process_0;
-
-
- -process_1 : process(present, start_i,decrypt_i,compteur)
-begin - case present is - when etat_initial => - if start_i = '1' and decrypt_i = '0' then - futur <= e_firstround;
- elsif start_i = '1' and decrypt_i = '1' then - futur <= d_initfirst; - else - futur <= present; - end if; -
- when e_firstround => - futur <= e_loopround; -
- when e_loopround => - if compteur = ROUND-1 then - futur <= e_lastround; - else - futur<=present; - end if; -
- when e_lastround => - futur<=etat_initial;
-
- when d_initfirst => - futur <= d_initloop; -
- when d_initloop => - if compteur = ROUND-2 then - futur <= d_initlast; - else - futur<=present; - end if; -
- when d_initlast => - futur <= d_firstround; -
- when d_firstround => - futur <= d_loopround; -
- when d_loopround => - if compteur = 1 then - futur <= d_lastround; - else - futur<=present; - end if; -
- when d_lastround => - futur<=etat_initial; - end case; -end process process_1; - -process_2 : process(present) - -begin - case present is - when etat_initial => - liliput_on_out <= '0'; - data_out_valid_o <= '0'; - permutation_o <= '0'; - muxsel_o <= '1';
- invert_o <= '0';
- - when e_firstround => - liliput_on_out <= '1'; - data_out_valid_o <= '0'; - permutation_o <= '1'; - muxsel_o <= '1';
- invert_o <= '0';
- - when e_loopround => - liliput_on_out <= '1'; - data_out_valid_o <= '0'; - permutation_o <= '1'; - muxsel_o <= '0';
- invert_o <= '0';
- - when e_lastround => - liliput_on_out <= '1'; - data_out_valid_o <= '1'; - permutation_o <= '0'; - muxsel_o <= '0';
- invert_o <= '0';
-
- when d_initfirst => - liliput_on_out <= '0'; - data_out_valid_o <= '0'; - permutation_o <= '0'; - muxsel_o <= '1'; - invert_o <= '0';
- - when d_initloop => - liliput_on_out <= '0'; - data_out_valid_o <= '0'; - permutation_o <= '0'; - muxsel_o <= '0'; - invert_o <= '0';
- - when d_initlast => - liliput_on_out <= '0'; - data_out_valid_o <= '0'; - permutation_o <= '0'; - muxsel_o <= '0'; - invert_o <= '0';
- - when d_firstround => - liliput_on_out <= '1'; - data_out_valid_o <= '0'; - permutation_o <= '1'; - muxsel_o <= '1'; - invert_o <= '1';
- - when d_loopround => - liliput_on_out <= '1'; - data_out_valid_o <= '0'; - permutation_o <= '1'; - muxsel_o <= '0'; - invert_o <= '1';
- - when d_lastround => - liliput_on_out <= '1'; - data_out_valid_o <= '1'; - permutation_o <= '0'; - muxsel_o <= '0'; - invert_o <= '1';
- - end case; -end process process_2; - -end architecture fsm_chiffrement_arch;
\ No newline at end of file |
