diff options
Diffstat (limited to 'implementations/vhdl/Encrypt/lilliputtbcii128v1/chiffrement.vhd')
| -rw-r--r-- | implementations/vhdl/Encrypt/lilliputtbcii128v1/chiffrement.vhd | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/implementations/vhdl/Encrypt/lilliputtbcii128v1/chiffrement.vhd b/implementations/vhdl/Encrypt/lilliputtbcii128v1/chiffrement.vhd new file mode 100644 index 0000000..1274032 --- /dev/null +++ b/implementations/vhdl/Encrypt/lilliputtbcii128v1/chiffrement.vhd @@ -0,0 +1,127 @@ +library IEEE; +library work; +use IEEE.numeric_std.ALL; +use IEEE.STD_LOGIC_1164.ALL; +use work.crypt_pack.ALL; + +entity chiffrement is port ( + +chiffrement_i : in type_state; +permutation_i : in std_logic; +round_key_i : in type_key; +chiffrement_o : out type_state; +data_out_valid_i : in std_logic; +data_o : out bit128); + +end chiffrement; + +architecture chiffrement_arch of chiffrement is + +signal non_linear_s : type_state; +signal non_linear_s1 : type_state; +signal linear_s : type_state; +signal chiffrement_s : type_state; +signal permut_s : type_state; + +component sbox + port ( + sbox_i : in bit8; + sbox_o : out bit8 + ); +end component; + + +begin
+ +chiffrement_s <= chiffrement_i; + +non_linear_s1(0)(0)<= chiffrement_i(0)(0); +non_linear_s1(0)(1)<= chiffrement_i(0)(1); +non_linear_s1(0)(2)<= chiffrement_i(0)(2); +non_linear_s1(0)(3)<= chiffrement_i(0)(3); +non_linear_s1(1)(0)<= chiffrement_i(1)(0); +non_linear_s1(1)(1)<= chiffrement_i(1)(1); +non_linear_s1(1)(2)<= chiffrement_i(1)(2); +non_linear_s1(1)(3)<= chiffrement_i(1)(3); +non_linear_s(2)(0)<= chiffrement_i(1)(3) xor round_key_i(1)(3); +non_linear_s(2)(1)<= chiffrement_i(1)(2) xor round_key_i(1)(2); +non_linear_s(2)(2)<= chiffrement_i(1)(1) xor round_key_i(1)(1); +non_linear_s(2)(3)<= chiffrement_i(1)(0) xor round_key_i(1)(0); +non_linear_s(3)(0)<= chiffrement_i(0)(3) xor round_key_i(0)(3); +non_linear_s(3)(1)<= chiffrement_i(0)(2) xor round_key_i(0)(2); +non_linear_s(3)(2)<= chiffrement_i(0)(1) xor round_key_i(0)(1); +non_linear_s(3)(3)<= chiffrement_i(0)(0) xor round_key_i(0)(0); + + +boucle_ligne : for i in 2 to 3 generate + boucle_colonne : for j in 0 to 3 generate + sboxx: sbox port map( + sbox_i => non_linear_s(i)(j), + sbox_o => non_linear_s1(i)(j) + ); + end generate; + end generate; + +linear_s(0)(0)<= non_linear_s1(0)(0); +linear_s(0)(1)<= non_linear_s1(0)(1); +linear_s(0)(2)<= non_linear_s1(0)(2); +linear_s(0)(3)<= non_linear_s1(0)(3); +linear_s(1)(0)<= non_linear_s1(1)(0); +linear_s(1)(1)<= non_linear_s1(1)(1); +linear_s(1)(2)<= non_linear_s1(1)(2); +linear_s(1)(3)<= non_linear_s1(1)(3); +linear_s(2)(0)<= non_linear_s1(2)(0) xor chiffrement_s(2)(0); +linear_s(2)(1)<= non_linear_s1(2)(1) xor chiffrement_s(2)(1) xor chiffrement_s(1)(3); +linear_s(2)(2)<= non_linear_s1(2)(2) xor chiffrement_s(2)(2) xor chiffrement_s(1)(3); +linear_s(2)(3)<= non_linear_s1(2)(3) xor chiffrement_s(2)(3) xor chiffrement_s(1)(3); +linear_s(3)(0)<= non_linear_s1(3)(0) xor chiffrement_s(3)(0) xor chiffrement_s(1)(3); +linear_s(3)(1)<= non_linear_s1(3)(1) xor chiffrement_s(3)(1) xor chiffrement_s(1)(3); +linear_s(3)(2)<= non_linear_s1(3)(2) xor chiffrement_s(3)(2) xor chiffrement_s(1)(3); +linear_s(3)(3)<= non_linear_s1(3)(3) xor chiffrement_s(3)(3) xor non_linear_s1(0)(1) xor non_linear_s1(0)(2) xor non_linear_s1(0)(3) xor non_linear_s1(1)(0) xor non_linear_s1(1)(1) xor non_linear_s1(1)(2) xor non_linear_s1(1)(3) ; + + +permut_s(0)(0)<= linear_s(3)(2) when permutation_i='1' else linear_s(0)(0); +permut_s(0)(1)<= linear_s(2)(3) when permutation_i='1' else linear_s(0)(1); +permut_s(0)(2)<= linear_s(3)(0) when permutation_i='1' else linear_s(0)(2); +permut_s(0)(3)<= linear_s(2)(2) when permutation_i='1' else linear_s(0)(3); +permut_s(1)(0)<= linear_s(2)(0) when permutation_i='1' else linear_s(1)(0); +permut_s(1)(1)<= linear_s(2)(1) when permutation_i='1' else linear_s(1)(1); +permut_s(1)(2)<= linear_s(3)(1) when permutation_i='1' else linear_s(1)(2); +permut_s(1)(3)<= linear_s(3)(3) when permutation_i='1' else linear_s(1)(3); +permut_s(2)(0)<= linear_s(0)(3) when permutation_i='1' else linear_s(2)(0); +permut_s(2)(1)<= linear_s(0)(1) when permutation_i='1' else linear_s(2)(1); +permut_s(2)(2)<= linear_s(1)(0) when permutation_i='1' else linear_s(2)(2); +permut_s(2)(3)<= linear_s(1)(1) when permutation_i='1' else linear_s(2)(3); +permut_s(3)(0)<= linear_s(1)(2) when permutation_i='1' else linear_s(3)(0); +permut_s(3)(1)<= linear_s(0)(0) when permutation_i='1' else linear_s(3)(1); +permut_s(3)(2)<= linear_s(0)(2) when permutation_i='1' else linear_s(3)(2); +permut_s(3)(3)<= linear_s(1)(3) when permutation_i='1' else linear_s(3)(3); + + + + +--toute à la fin + row: for i in 0 to 3 generate --On considère uniquement les colonnes + col: for j in 0 to 3 generate + chiffrement_o(i)(j)<= permut_s(i)(j);-- when permutation_i='1' else X"0"; + end generate; + end generate; + + row1: for i in 0 to 3 generate --On considère uniquement les colonnes + col1: for j in 0 to 3 generate + data_o(7+(8*(4*i+j)) downto (8*(4*i+j))) <= permut_s(i)(j) when data_out_valid_i = '1' else X"00"; --on vérifie si data_out_valid est égale à 1 dans ce cas on convertie le type_state en bit 128 poour le faire sortir en data_o + end generate; + end generate; +end chiffrement_arch; + +configuration chiffrement_conf of chiffrement is + for chiffrement_arch + for boucle_ligne + for boucle_colonne + for all : sbox + use entity work.sbox( sbox_arch ); + end for; + end for; + end for; + end for; +end configuration chiffrement_conf ; |