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-- 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.STD_LOGIC_1164.ALL;
use work.const_pack.ALL;
package crypt_pack is
subtype bit2 is std_logic_vector(1 downto 0);
subtype bit4 is std_logic_vector(3 downto 0);
subtype bit8 is std_logic_vector(7 downto 0);
subtype bit16 is std_logic_vector(15 downto 0);
subtype bit32 is std_logic_vector(31 downto 0);
subtype bit64 is std_logic_vector(63 downto 0);
subtype bit128 is std_logic_vector(127 downto 0);
subtype bit256 is std_logic_vector(255 downto 0);
subtype bit192 is std_logic_vector(191 downto 0);
subtype bit80 is std_logic_vector(79 downto 0);
subtype bit_tweak is std_logic_vector(TWEAK_LEN-1 downto 0);
subtype bit_key is std_logic_vector(KEY_LEN-1 downto 0);
subtype bit_tweak_key is std_logic_vector((TWEAK_LEN+KEY_LEN)-1 downto 0);
type row_state is array(0 to 3) of bit8;
type type_state is array(0 to 3) of row_state;
type key_row_state is array(0 to 3) of bit8; --nombre d'element par ligne
type type_key is array(0 to 1) of key_row_state; --nombre de ligne
type type_tweak_key_row is array(0 to 7) of bit8;
type type_tweak_key_array is array(0 to ((TWEAK_LEN+KEY_LEN)/64)-1) of type_tweak_key_row;
type keyschedule_row_state is array(0 to 3) of bit8; -- to 4 pour une matrice bit4
type type_keyschedule is array(0 to 3) of keyschedule_row_state;
constant ROUND : integer;
constant TWEAK_KEY_LEN : integer;
constant LANE_NB : integer;
end crypt_pack;
package body crypt_pack is
constant ROUND : integer := ROUND_NB-2; -- round number - 1
constant TWEAK_KEY_LEN : integer := TWEAK_LEN+KEY_LEN-1; -- tweak key lenght - 1
constant LANE_NB : integer := ((TWEAK_LEN+KEY_LEN)/64); --nuber of lane
end crypt_pack;
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