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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_nonce is std_logic_vector(NONCE_LEN-1 downto 0);
subtype bit_tag is std_logic_vector(TAG_LEN-1 downto 0);
subtype bit_data is std_logic_vector(DATA_LEN-1 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);
subtype bit_data_in is std_logic_vector(DATA_IN_LEN-1 downto 0);
subtype bit_tweak_in is std_logic_vector(TWEAK_IN_LEN-1 downto 0);
subtype bit_key_in is std_logic_vector(sw-1 downto 0);
subtype bit_data_out is std_logic_vector(DATA_OUT_LEN-1 downto 0);
type row_b8 is array(0 to 7) of bit8;
type row_state is array(0 to 3) of bit8;
type type_half_state is array(0 to 1) of row_state;
type type_state is array(0 to 3) of row_state;
type key_row_state is array(0 to 3) of bit8;
type type_key is array(0 to 1) of key_row_state;
type type_stored_key is array(0 to ROUND_NB-1) of type_key;
type type_output_vector is array(0 to DATA_LEN/w-1) of bit_data_out;
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 type_key_array is array(TWEAK_LEN/64 to ((TWEAK_LEN+KEY_LEN)/64)-1) of type_tweak_key_row;
type keyschedule_row_state is array(0 to 3) of bit8;
type type_keyschedule is array(0 to 3) of keyschedule_row_state;
constant Wdiv8 : integer := W/8;
constant ROUND : integer := ROUND_NB;
constant INOUT_CYCLE_NB : integer := (KEY_LEN/sw)-1;
constant TWEAK_KEY_LEN : integer := TWEAK_LEN+KEY_LEN-1;
constant LANE_NB : integer := ((TWEAK_LEN+KEY_LEN)/64);
constant LANE_Y_BEGIN_NB : integer := (TWEAK_LEN/64);
constant DATA_IN_LOOP : integer := (DATA_LEN/DATA_IN_LEN)-1;
constant KEY_IN_LOOP : integer := (KEY_LEN/sw)-1;
constant TWEAK_IN_LOOP : integer := (TWEAK_LEN/TWEAK_IN_LEN)-1;
constant DATA_OUT_LOOP : integer := (DATA_LEN/DATA_OUT_LEN)-1;
end crypt_pack;
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