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[/] [present/] [trunk/] [DecodeTesting/] [bench/] [vhdl/] [PresentDecTB.vhd] - Rev 20
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----------------------------------------------------------------------- ---- ---- ---- Present - a lightweight block cipher project ---- ---- ---- ---- This file is part of the Present - a lightweight block ---- ---- cipher project ---- ---- http://www.http://opencores.org/project,present ---- ---- ---- ---- Description: ---- ---- Present decoder test bench. Test signals were taken from ---- ---- 'pure' Presnet encoder simulation (it is proper work, because ---- ---- it was good implementation). ---- ---- To Do: ---- ---- ---- ---- Author(s): ---- ---- - Krzysztof Gajewski, gajos@opencores.org ---- ---- k.gajewski@gmail.com ---- ---- ---- ----------------------------------------------------------------------- ---- ---- ---- Copyright (C) 2013 Authors and OPENCORES.ORG ---- ---- ---- ---- This source file may be used and distributed without ---- ---- restriction provided that this copyright statement is not ---- ---- removed from the file and that any derivative work contains ---- ---- the original copyright notice and the associated disclaimer. ---- ---- ---- ---- This source file is free software; you can redistribute it ---- ---- and-or modify it under the terms of the GNU Lesser General ---- ---- Public License as published by the Free Software Foundation; ---- ---- either version 2.1 of the License, or (at your option) any ---- ---- later version. ---- ---- ---- ---- This source is distributed in the hope that it will be ---- ---- useful, but WITHOUT ANY WARRANTY; without even the implied ---- ---- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ---- ---- PURPOSE. See the GNU Lesser General Public License for more ---- ---- details. ---- ---- ---- ---- You should have received a copy of the GNU Lesser General ---- ---- Public License along with this source; if not, download it ---- ---- from http://www.opencores.org/lgpl.shtml ---- ---- ---- ----------------------------------------------------------------------- LIBRARY ieee; USE ieee.std_logic_1164.ALL; -- Uncomment the following library declaration if using -- arithmetic functions with Signed or Unsigned values --USE ieee.numeric_std.ALL; ENTITY PresentDecTB IS END PresentDecTB; ARCHITECTURE behavior OF PresentDecTB IS -- Component Declaration for the Unit Under Test (UUT) COMPONENT PresentDec PORT( plaintext : IN std_logic_vector(63 downto 0); key : IN std_logic_vector(79 downto 0); ciphertext : OUT std_logic_vector(63 downto 0); start : IN std_logic; clk : IN std_logic; reset : IN std_logic; ready : OUT std_logic ); END COMPONENT; --Inputs signal plaintext : std_logic_vector(63 downto 0) := (others => '0'); signal key : std_logic_vector(79 downto 0) := (others => '0'); signal start : std_logic := '0'; signal clk : std_logic := '0'; signal reset : std_logic := '0'; --Outputs signal ciphertext : std_logic_vector(63 downto 0); signal ready : std_logic; -- Clock period definitions constant clk_period : time := 10 ns; BEGIN -- Instantiate the Unit Under Test (UUT) uut: PresentDec PORT MAP ( plaintext => plaintext, key => key, ciphertext => ciphertext, start => start, clk => clk, reset => reset, ready => ready ); -- Clock process definitions clk_process :process begin clk <= '0'; wait for clk_period/2; clk <= '1'; wait for clk_period/2; end process; -- Stimulus process stim_proc: process begin ---- Preparation for test case 1 ----------------- -- plaintext <= x"5579c1387b228445"; -- key <= x"6dab31744f41d7008759"; -- expected_ciphertext <= x"0000000000000000"; -------------------------------------------------- reset <= '1'; start <= '0'; plaintext <= x"5579c1387b228445"; key <= x"6dab31744f41d7008759"; wait for 100 ns; reset <= '0'; plaintext <= x"5579c1387b228445"; key <= x"6dab31744f41d7008759"; start <= '1'; wait until ready = '1'; if ciphertext /= x"0000000000000000" then report "RESULT MISMATCH! Test case 1 failed" severity ERROR; assert false severity failure; else report "Test case 1 successful" severity note; end if; ---- Preparation for test case 2 ----------------- -- plaintext <= x"e72c46c0f5945049"; -- key <= x"fe7a548fb60eb167c511"; -- expected_ciphertext <= x"0000000000000000"; -------------------------------------------------- start <= '0'; wait for clk_period; plaintext <= x"e72c46c0f5945049"; key <= x"fe7a548fb60eb167c511"; start <= '1'; wait until ready = '1'; if ciphertext /= x"0000000000000000" then report "RESULT MISMATCH! Test case 2 failed" severity ERROR; assert false severity failure; else report "Test case 2 successful" severity note; end if; ---- Preparation for test case 3 ----------------- -- plaintext <= x"a112ffc72f68417b"; -- key <= x"6dab31744f41d7008759"; -- expected_ciphertext <= x"ffffffffffffffff"; -------------------------------------------------- start <= '0'; wait for clk_period; plaintext <= x"a112ffc72f68417b"; key <= x"6dab31744f41d7008759"; start <= '1'; wait until ready = '1'; if ciphertext /= x"ffffffffffffffff" then report "RESULT MISMATCH! Test case 3 failed" severity ERROR; assert false severity failure; else report "Test case 3 successful" severity note; end if; ---- Preparation for test case 4 ----------------- -- plaintext <= x"3333dcd3213210d2"; -- key <= x"fe7a548fb60eb167c511"; -- expected_ciphertext <= x"ffffffffffffffff"; -------------------------------------------------- start <= '0'; wait for clk_period; plaintext <= x"3333dcd3213210d2"; key <= x"fe7a548fb60eb167c511"; start <= '1'; wait until ready = '1'; if ciphertext /= x"ffffffffffffffff" then report "RESULT MISMATCH! Test case 4 failed" severity ERROR; assert false severity failure; else report "Test case 4 successful" severity note; end if; assert false severity failure; end process; END;
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