addr_key.vhd

破解des算法的程序

---------|---------|---------|---------|---------|---------|---------|---------|
-- Author          :  Tom Vu                                     
-- Date            :  09/19/97                                  
-- Description	   :  UProcessor interface
--------------------------------------------------------------------------------
library ieee;
use IEEE.std_logic_1164.all;
use IEEE.std_logic_arith.all;
use IEEE.std_logic_unsigned.all;
--------------------------------------------------------------------------------
entity ADDR_KEY is

port(   
        ADDSEL2        	: in     std_logic;
        CHIP_EN        	: in     std_logic;
        ADDR       	: in     std_logic_vector(7 downto 0);

        ADDR_KEY0      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY1      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY2      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY3      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY4      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY5      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY6      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY7      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY8      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY9      	: out    std_logic_vector(6  downto 0);
        ADDR_KEY10     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY11     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY12     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY13     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY14     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY15     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY16     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY17     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY18     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY19     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY20     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY21     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY22     	: out    std_logic_vector(6  downto 0);
        ADDR_KEY23     	: out    std_logic_vector(6  downto 0);
        DATAI       	: in     std_logic_vector(7 downto 0)
    );


end ADDR_KEY;

--------------------------------------------------------------------------------
architecture beh of ADDR_KEY is
--------------------------------------------------------------------------------

begin
 
ADDR_KEY0(0) <=  '1' when ((ADDR =  "01000000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY0(1) <=  '1' when ((ADDR =  "01000001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY0(2) <=  '1' when ((ADDR =  "01000010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY0(3) <=  '1' when ((ADDR =  "01000011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY0(4) <=  '1' when ((ADDR =  "01000100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY0(5) <=  '1' when ((ADDR =  "01000101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY0(6) <=  '1' when ((ADDR =  "01000110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY1(0) <=  '1' when ((ADDR =  "01001000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY1(1) <=  '1' when ((ADDR =  "01001001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY1(2) <=  '1' when ((ADDR =  "01001010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY1(3) <=  '1' when ((ADDR =  "01001011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY1(4) <=  '1' when ((ADDR =  "01001100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY1(5) <=  '1' when ((ADDR =  "01001101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY1(6) <=  '1' when ((ADDR =  "01001110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY2(0) <=  '1' when ((ADDR =  "01010000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY2(1) <=  '1' when ((ADDR =  "01010001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY2(2) <=  '1' when ((ADDR =  "01010010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY2(3) <=  '1' when ((ADDR =  "01010011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY2(4) <=  '1' when ((ADDR =  "01010100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY2(5) <=  '1' when ((ADDR =  "01010101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY2(6) <=  '1' when ((ADDR =  "01010110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY3(0) <=  '1' when ((ADDR =  "01011000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY3(1) <=  '1' when ((ADDR =  "01011001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY3(2) <=  '1' when ((ADDR =  "01011010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY3(3) <=  '1' when ((ADDR =  "01011011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY3(4) <=  '1' when ((ADDR =  "01011100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY3(5) <=  '1' when ((ADDR =  "01011101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY3(6) <=  '1' when ((ADDR =  "01011110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY4(0) <=  '1' when ((ADDR =  "01100000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY4(1) <=  '1' when ((ADDR =  "01100001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY4(2) <=  '1' when ((ADDR =  "01100010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY4(3) <=  '1' when ((ADDR =  "01100011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY4(4) <=  '1' when ((ADDR =  "01100100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY4(5) <=  '1' when ((ADDR =  "01100101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY4(6) <=  '1' when ((ADDR =  "01100110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY5(0) <=	 '1' when ((ADDR =  "01101000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY5(1) <=	 '1' when ((ADDR =  "01101001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY5(2) <=	 '1' when ((ADDR =  "01101010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY5(3) <=	 '1' when ((ADDR =  "01101011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY5(4) <=	 '1' when ((ADDR =  "01101100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY5(5) <=	 '1' when ((ADDR =  "01101101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY5(6) <=	 '1' when ((ADDR =  "01101110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY6(0) <=	 '1' when ((ADDR =  "01110000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY6(1) <=	 '1' when ((ADDR =  "01110001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY6(2) <=	 '1' when ((ADDR =  "01110010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY6(3) <=	 '1' when ((ADDR =  "01110011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY6(4) <=	 '1' when ((ADDR =  "01110100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY6(5) <=	 '1' when ((ADDR =  "01110101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY6(6) <=	 '1' when ((ADDR =  "01110110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY7(0) <=	 '1' when ((ADDR =  "01111000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY7(1) <=	 '1' when ((ADDR =  "01111001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY7(2) <=	 '1' when ((ADDR =  "01111010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY7(3) <=	 '1' when ((ADDR =  "01111011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY7(4) <=	 '1' when ((ADDR =  "01111100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY7(5) <=	 '1' when ((ADDR =  "01111101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY7(6) <=	 '1' when ((ADDR =  "01111110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';

ADDR_KEY8(0) <=	 '1' when ((ADDR =  "10000000") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY8(1) <=	 '1' when ((ADDR =  "10000001") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY8(2) <=	 '1' when ((ADDR =  "10000010") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY8(3) <=	 '1' when ((ADDR =  "10000011") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY8(4) <=	 '1' when ((ADDR =  "10000100") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY8(5) <=	 '1' when ((ADDR =  "10000101") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';
ADDR_KEY8(6) <=	 '1' when ((ADDR =  "10000110") and (CHIP_EN = '1') and (ADDSEL2 = '0')) else '0';