From d560b7c442c950a59cea691d90abdd42a35b9bf1 Mon Sep 17 00:00:00 2001 From: Gaetan Leplus Date: Thu, 4 Jul 2019 14:01:34 +0200 Subject: Remplacement de la version vhdltbc par la version optimisée et corrigée MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/add_vhdltbc/i/key_schedule.vhd | 112 +++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 src/add_vhdltbc/i/key_schedule.vhd (limited to 'src/add_vhdltbc/i/key_schedule.vhd') diff --git a/src/add_vhdltbc/i/key_schedule.vhd b/src/add_vhdltbc/i/key_schedule.vhd new file mode 100644 index 0000000..3d75494 --- /dev/null +++ b/src/add_vhdltbc/i/key_schedule.vhd @@ -0,0 +1,112 @@ +-- 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 key_schedule_liliput is + port ( + key_i : in type_tweak_key_array; + round_number : in std_logic_vector(7 downto 0); + invert_i : in std_logic; + key_o : out type_tweak_key_array; + round_key_o : out type_key + ); +end key_schedule_liliput; + +architecture key_schedule_liliput_arch of key_schedule_liliput is + + component multiplications + port( + mularray_i : in type_tweak_key_array; + mularray_o : out type_tweak_key_array + ); + end component; + + component inv_multiplication + port( + mularray_i : in type_tweak_key_array; + mularray_o : out type_tweak_key_array + ); + end component; + + signal key_s : type_tweak_key_array; + signal key_s_inv : type_tweak_key_array; + signal round_key_s : type_key; + +begin + + multiplications_t : multiplications + port map ( + mularray_i => key_i, + mularray_o => key_s + ); + + inv_multiplications_t : inv_multiplication + port map ( + mularray_i => key_i, + mularray_o => key_s_inv + ); + + key_o <= key_s when invert_i = '0' else + key_s_inv; + + if_lane4 : if LANE_NB=4 generate + col2 : for j in 0 to 3 generate + round_key_s(0)(j) <= key_i(0)(j) xor key_i(1)(j) xor key_i(2)(j) xor key_i(3)(j) ; + round_key_s(1)(j) <= key_i(0)(j+4) xor key_i(1)(j+4) xor key_i(2)(j+4) xor key_i(3)(j+4); + end generate; + end generate; + + if_lane5 : if LANE_NB=5 generate + col2 : for j in 0 to 3 generate + round_key_s(0)(j) <= key_i(0)(j) xor key_i(1)(j) xor key_i(2)(j) xor key_i(3)(j) xor key_i(4)(j) ; + round_key_s(1)(j) <= key_i(0)(j+4) xor key_i(1)(j+4) xor key_i(2)(j+4) xor key_i(3)(j+4) xor key_i(4)(j+4); + end generate; + end generate; + + if_lane6 : if LANE_NB=6 generate + col2 : for j in 0 to 3 generate + round_key_s(0)(j) <= key_i(0)(j) xor key_i(1)(j) xor key_i(2)(j) xor key_i(3)(j) xor key_i(4)(j) xor key_i(5)(j) ; + round_key_s(1)(j) <= key_i(0)(j+4) xor key_i(1)(j+4) xor key_i(2)(j+4) xor key_i(3)(j+4) xor key_i(4)(j+4) xor key_i(5)(j+4); + end generate; + end generate; + + if_lane7 : if LANE_NB=7 generate + col2 : for j in 0 to 3 generate + round_key_s(0)(j) <= key_i(0)(j) xor key_i(1)(j) xor key_i(2)(j) xor key_i(3)(j) xor key_i(4)(j) xor key_i(5)(j) xor key_i(6)(j) ; + round_key_s(1)(j) <= key_i(0)(j+4) xor key_i(1)(j+4) xor key_i(2)(j+4) xor key_i(3)(j+4) xor key_i(4)(j+4) xor key_i(5)(j+4) xor key_i(6)(j+4); + end generate; + end generate; + + + round_key_o(0)(0) <= round_key_s(0)(0) xor round_number; + round_key_o(0)(1) <= round_key_s(0)(1); + round_key_o(0)(2) <= round_key_s(0)(2); + round_key_o(0)(3) <= round_key_s(0)(3); + round_key_o(1) <= round_key_s(1); + + +end key_schedule_liliput_arch; + + +configuration key_schedule_liliput_conf of key_schedule_liliput is + for key_schedule_liliput_arch + for multiplications_t : multiplications + use entity work.multiplications(Behavioral); + end for; + for inv_multiplications_t : inv_multiplication + use entity work.inv_multiplication(inv_multiplication_arch); + end for; + end for; +end configuration key_schedule_liliput_conf ; -- cgit v1.2.3