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partial adapted on tests according nist 800-17 publication

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Torsten Meissner 13 years ago
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1 changed files with 50 additions and 48 deletions
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  1. +50
    -48
      des/sim/tb_des.vhd

+ 50
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des/sim/tb_des.vhd View File

@ -1,6 +1,6 @@
-- ======================================================================
-- DES encryption/decryption
-- algorithm according to FIPS 46-3 specification
-- DES encryption/decryption testbench
-- tests according to NIST 800-16 special publication
-- Copyright (C) 2011 Torsten Meissner
-------------------------------------------------------------------------
-- This program is free software; you can redistribute it and/or modify
@ -16,21 +16,18 @@
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-- the testvectors in this file are taken from the project
-- "DES/Triple DES IP Cores" from Rudolf Usselmann, to find under
-- http://opencores.org/project,des
-- Copyright (C) 2001 Rudolf Usselmann (rudi@asics.ws)
-- ======================================================================
-- Revision 1.0 2011/09/17
-- Revision 1.0 2011/09/17
-- Initial release
-- Revision 1.0.1 2011/09/18
-- tests partial adopted to NIST 800-16 publication
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.ALL;
use ieee.numeric_std.all;
entity tb_des is
@ -40,34 +37,32 @@ end entity tb_des;
architecture rtl of tb_des is
type t_array is array (0 to 18) of std_logic_vector(0 to 63);
type t_array is array (natural range <>) of std_logic_vector(0 to 63);
signal s_key_values : t_array :=
(x"7CA110454A1A6E57", x"0131D9619DC1376E", x"07A1133E4A0B2686",
x"3849674C2602319E", x"04B915BA43FEB5B6", x"0113B970FD34F2CE",
x"0170F175468FB5E6", x"43297FAD38E373FE", x"07A7137045DA2A16",
x"04689104C2FD3B2F", x"37D06BB516CB7546", x"1F08260D1AC2465E",
x"584023641ABA6176", x"025816164629B007", x"49793EBC79B3258F",
x"4FB05E1515AB73A7", x"49E95D6D4CA229BF", x"018310DC409B26D6",
x"1C587F1C13924FEF");
signal s_plain_values : t_array :=
(x"01A1D6D039776742", x"5CD54CA83DEF57DA", x"0248D43806F67172",
x"51454B582DDF440A", x"42FD443059577FA2", x"059B5E0851CF143A",
x"0756D8E0774761D2", x"762514B829BF486A", x"3BDD119049372802",
x"26955F6835AF609A", x"164D5E404F275232", x"6B056E18759F5CCA",
x"004BD6EF09176062", x"480D39006EE762F2", x"437540C8698F3CFA",
x"072D43A077075292", x"02FE55778117F12A", x"1D9D5C5018F728C2",
x"305532286D6F295A");
signal s_crypt_values : t_array :=
(x"690F5B0D9A26939B", x"7A389D10354BD271", x"868EBB51CAB4599A",
x"7178876E01F19B2A", x"AF37FB421F8C4095", x"86A560F10EC6D85B",
x"0CD3DA020021DC09", x"EA676B2CB7DB2B7A", x"DFD64A815CAF1A0F",
x"5C513C9C4886C088", x"0A2AEEAE3FF4AB77", x"EF1BF03E5DFA575A",
x"88BF0DB6D70DEE56", x"A1F9915541020B56", x"6FBF1CAFCFFD0556",
x"2F22E49BAB7CA1AC", x"5A6B612CC26CCE4A", x"5F4C038ED12B2E41",
x"63FAC0D034D9F793");
signal s_variable_plaintext_known_answers : t_array(0 to 63) :=
(x"95F8A5E5DD31D900", x"DD7F121CA5015619", x"2E8653104F3834EA",
x"4BD388FF6CD81D4F", x"20B9E767B2FB1456", x"55579380D77138EF",
x"6CC5DEFAAF04512F", x"0D9F279BA5D87260", x"D9031B0271BD5A0A",
x"424250B37C3DD951", x"B8061B7ECD9A21E5", x"F15D0F286B65BD28",
x"ADD0CC8D6E5DEBA1", x"E6D5F82752AD63D1", x"ECBFE3BD3F591A5E",
x"F356834379D165CD", x"2B9F982F20037FA9", x"889DE068A16F0BE6",
x"E19E275D846A1298", x"329A8ED523D71AEC", x"E7FCE22557D23C97",
x"12A9F5817FF2D65D", x"A484C3AD38DC9C19", x"FBE00A8A1EF8AD72",
x"750D079407521363", x"64FEED9C724C2FAF", x"F02B263B328E2B60",
x"9D64555A9A10B852", x"D106FF0BED5255D7", x"E1652C6B138C64A5",
x"E428581186EC8F46", x"AEB5F5EDE22D1A36", x"E943D7568AEC0C5C",
x"DF98C8276F54B04B", x"B160E4680F6C696F", x"FA0752B07D9C4AB8",
x"CA3A2B036DBC8502", x"5E0905517BB59BCF", x"814EEB3B91D90726",
x"4D49DB1532919C9F", x"25EB5FC3F8CF0621", x"AB6A20C0620D1C6F",
x"79E90DBC98F92CCA", x"866ECEDD8072BB0E", x"8B54536F2F3E64A8",
x"EA51D3975595B86B", x"CAFFC6AC4542DE31", x"8DD45A2DDF90796C",
x"1029D55E880EC2D0", x"5D86CB23639DBEA9", x"1D1CA853AE7C0C5F",
x"CE332329248F3228", x"8405D1ABE24FB942", x"E643D78090CA4207",
x"48221B9937748A23", x"DD7C0BBD61FAFD54", x"2FBC291A570DB5C4",
x"E07C30D7E4E26E12", x"0953E2258E8E90A1", x"5B711BC4CEEBF2EE",
x"CC083F1E6D9E85F6", x"D2FD8867D50D2DFE", x"06E7EA22CE92708F",
x"166B40B44ABA4BD6");
signal s_clk : std_logic := '0';
@ -100,45 +95,52 @@ begin
teststimuliP : process is
begin
s_mode <= '0';
s_validin <= '0';
s_key <= x"5555555555555555";
s_datain <= x"8000000000000000";
report "# encryption test";
for index in 0 to 18 loop
for index in s_variable_plaintext_known_answers'range loop
wait until rising_edge(s_clk);
s_mode <= '0';
s_validin <= '1';
s_key <= s_key_values(index);
s_datain <= s_plain_values(index);
if(index /= 0) then
s_datain <= '0' & s_datain(0 to 62);
end if;
end loop;
wait until rising_edge(s_clk);
s_validin <= '0';
wait for 100 ns;
report "# decryption test";
for index in 0 to 18 loop
for index in s_variable_plaintext_known_answers'range loop
wait until rising_edge(s_clk);
s_mode <= '1';
s_validin <= '1';
s_key <= s_key_values(index);
s_datain <= s_crypt_values(index);
s_datain <= s_variable_plaintext_known_answers(index);
end loop;
wait until rising_edge(s_clk);
s_mode <= '0';
s_validin <= '0';
s_key <= (others => '0');
s_datain <= (others => '0');
wait;
end process teststimuliP;
testcheckerP : process is
variable v_variable_ciphertext_known_answers : std_logic_vector(0 to 63) := x"8000000000000000";
begin
for index in 0 to 18 loop
for index in s_variable_plaintext_known_answers'range loop
wait until rising_edge(s_clk) and s_validout = '1';
if(s_dataout /= s_crypt_values(index)) then
if(s_dataout /= s_variable_plaintext_known_answers(index)) then
report "encryption error";
end if;
end loop;
for index in 0 to 18 loop
for index in s_variable_plaintext_known_answers'range loop
wait until rising_edge(s_clk) and s_validout = '1';
if(s_dataout /= s_plain_values(index)) then
if(s_dataout /= v_variable_ciphertext_known_answers) then
report "decryption error";
end if;
v_variable_ciphertext_known_answers := '0' & v_variable_ciphertext_known_answers(0 to 62);
end loop;
wait;
end process testcheckerP;
@ -156,4 +158,4 @@ begin
);
end architecture rtl;
end architecture rtl;

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