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aes_ghash_aad <= x"ffff0000000000000000000000000000";
aes_ghash_aad_bval <= x"c000";

aes_ghash_aad <= x"ffff0000000000000000000000000001";
aes_ghash_aad_bval <= x"c000";

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

use work.gcm_pkg.all;
use work.aes_pkg.all;

entity aes_tb is
end entity;


architecture default of aes_tb is
    constant t: time := 5 ns;
    signal clk, reset, done : std_logic;
    signal enable : std_logic;
    
    signal aes_mode: std_logic_vector(1 downto 0);
    signal aes_enc_dec : std_logic;
    signal aes_pipe_reset : std_logic;
    signal aes_key_word_val : std_logic_vector(3 downto 0);
    signal aes_key_word : std_logic_vector(AES_256_KEY_WIDTH_C-1 downto 0);
    signal aes_iv_val : std_logic;
    signal aes_iv : std_logic_vector(GCM_ICB_WIDTH_C-1 downto 0);
    signal aes_icb_start_cnt : std_logic;
    signal aes_icb_stop_cnt : std_logic;
    signal aes_ghash_pkt_val : std_logic;
    signal aes_ghash_aad_bval : std_logic_vector(NB_STAGE_C-1 downto 0);
    signal aes_ghash_aad : std_logic_vector(GCM_DATA_WIDTH_C-1 downto 0);
    signal aes_data_in_bval : std_logic_vector(NB_STAGE_C-1 downto 0);
    signal aes_data_in : std_logic_vector(AES_DATA_WIDTH_C-1 downto 0);
    
    -- Output
    signal aes_ready : std_logic;
    signal aes_data_out_val : std_logic;
    signal aes_data_out_bval :  std_logic_vector(NB_STAGE_C-1 downto 0);
    signal aes_data_out : std_logic_vector(AES_DATA_WIDTH_C-1 downto 0);
    signal aes_ghash_tag_val : std_logic;
    signal aes_ghash_tag_o :  std_logic_vector(GCM_DATA_WIDTH_C-1 downto 0);
    signal aes_overflow : std_logic;
    
    
begin
        uut: entity work.top_aes_gcm
        port map(
            enable => enable,
            rst_i => reset,
            clk_i => clk,
            aes_gcm_mode_i => aes_mode,
            aes_gcm_enc_dec_i => aes_enc_dec,
            aes_gcm_pipe_reset_i => aes_pipe_reset,
            aes_gcm_key_word_val_i => aes_key_word_val,
            aes_gcm_key_word_i => aes_key_word,
            aes_gcm_iv_val_i => aes_iv_val,
            aes_gcm_iv_i => aes_iv,
            aes_gcm_icb_start_cnt_i => aes_icb_start_cnt,
            aes_gcm_icb_stop_cnt_i => aes_icb_stop_cnt,
            aes_gcm_ghash_pkt_val_i => aes_ghash_pkt_val,
            aes_gcm_ghash_aad_bval_i => aes_ghash_aad_bval,
            aes_gcm_ghash_aad_i  => aes_ghash_aad,
            aes_gcm_data_in_bval_i => aes_data_in_bval,
            aes_gcm_data_in_i => aes_data_in,
            aes_gcm_ready_o  => aes_ready,
            aes_gcm_data_out_val_o => aes_data_out_val, 
            aes_gcm_data_out_bval_o  => aes_data_out_bval,
            aes_gcm_data_out_o  => aes_data_out, 
            aes_gcm_ghash_tag_val_o => aes_ghash_tag_val, 
            aes_gcm_ghash_tag_o  => aes_ghash_tag_o,
            aes_gcm_icb_cnt_overflow_o => aes_overflow
        );
        
    clk_gen: process
    begin
        clk <= '1';
        wait for t / 2;
        clk <= '0';
        wait for t / 2;
        if done = '1' then
            wait;
        end if;
    end process;
    
    test: process
        variable correct: boolean := true;
    begin
        enable <= '1';
        done <= '0';
        reset <= '1';
        aes_mode <= AES_MODE_128_C;
        aes_key_word_val <= "0000";
        aes_pipe_reset <= '1';
        aes_iv_val <= '0';
        aes_ghash_pkt_val <= '0';
        aes_ghash_aad_bval <= (others => '0');
        aes_data_in_bval <= (others => '0');
        aes_enc_dec <= '0';
        aes_icb_start_cnt <= '0';
        aes_icb_stop_cnt <= '0';
        wait for t;
        reset <= '0';
        aes_pipe_reset <= '0';
        wait for t;
        -- Load the key
        aes_key_word <= x"affeaffeaffeaffeaffeaffeaffeaffe00000000000000000000000000000000";
        aes_key_word_val(2) <= '1';
        wait for t;
        aes_key_word_val(2) <= '0';
        aes_key_word <= x"aaaeaffeaffeaffeaffeaffeaffeaffe00000000000000000000000000000000";
        wait for t;
        -- Load the IV
        aes_iv <= x"d2423c7f670eb2ad17469b86";
        aes_iv_val <= '1';
        wait for t;
        aes_iv_val <= '0';
        aes_icb_start_cnt <= '1';
        wait for t;
        aes_icb_start_cnt <= '0';
        wait until aes_ready = '1';
        
        aes_ghash_pkt_val <= '1';
        wait for 10*t;
        aes_ghash_aad <= x"ffff0000000000000000000000000000";
        aes_ghash_aad_bval <= x"c000";
        wait for t;
        aes_ghash_aad_bval <= x"0000";
        aes_data_in <= x"fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0";
        aes_data_in_bval <= x"FFFF";
        wait for t;
        
        aes_data_in <= x"efeeedecebeae9e8e7e6e50000000001";
        aes_data_in_bval <= x"ffe0";
        wait for 3*t/2;
        aes_data_in_bval <= x"0000";
        aes_ghash_pkt_val <= '0';
        wait for t;
        wait for 100*t;
        done <= '1';
        wait;
    end process;

    
end architecture;

[Keylen = 256]
[IVlen = 96]
[PTlen = 128]
[AADlen = 128]
[Taglen = 128]

Count = 0
Key = 92e11dcdaa866f5ce790fd24501f92509aacf4cb8b1339d50c9c1240935dd08b
IV = ac93a1a6145299bde902f21a
PT = 2d71bcfa914e4ac045b2aa60955fad24
AAD = 1e0889016f67601c8ebea4943bc23ad6
CT = 8995ae2e6df3dbf96fac7b7137bae67f
Tag = eca5aa77d51d4a0a14d9c51e1da474ab

CT = 56eb7bf1f2aebfdcb1ae519f5a38d61f
Tag = 3252d0baf357703e0f017e647a54aea9

Traceback (most recent call last):
  File "gcm_config.py", line 11, in <module>
    conf.gcm_ip_config()
  File "/home/rafael/projects/AES-GCM-128-192-256-bits/config/gcm_utils.py", line 227, in gcm_ip_config
    if self.args.seed == None:
AttributeError: 'Namespace' object has no attribute 'seed'

-        if self.args.seed == None:
+        #if self.args.seed == None: ---> fix because it causes Attribute error 
+        if ~hasattr(self.args, "seed"):