library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;

entity md5_calculator is
    port (
        clk             : in std_logic;
        reset           : in std_logic;
        
        start           : in std_logic;
        ack             : out std_logic;
        
        data_in         : in std_logic_vector(7 downto 0);
        valid_in        : in std_logic;
        ready_in        : out std_logic;
        last_word_in    : in std_logic;
        
        hash_out        : out std_logic_vector(127 downto 0);
        done            : out std_logic
    );
end entity;