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arif_endro |
-- ------------------------------------------------------------------------
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-- Copyright (C) 2010 Arif Endro Nugroho
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-- All rights reserved.
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--
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-- Redistribution and use in source and binary forms, with or without
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-- modification, are permitted provided that the following conditions
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-- are met:
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--
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-- 1. Redistributions of source code must retain the above copyright
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-- notice, this list of conditions and the following disclaimer.
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-- 2. Redistributions in binary form must reproduce the above copyright
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-- notice, this list of conditions and the following disclaimer in the
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-- documentation and/or other materials provided with the distribution.
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--
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-- THIS SOFTWARE IS PROVIDED BY ARIF ENDRO NUGROHO "AS IS" AND ANY EXPRESS
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-- OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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-- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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-- DISCLAIMED. IN NO EVENT SHALL ARIF ENDRO NUGROHO BE LIABLE FOR ANY
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-- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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-- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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-- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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-- ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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-- POSSIBILITY OF SUCH DAMAGE.
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--
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-- End Of License.
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-- ------------------------------------------------------------------------
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_unsigned.all;
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entity sbox is
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port (
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di : in bit_vector (07 downto 00);
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do : out bit_vector (07 downto 00)
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);
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end sbox;
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architecture phy of sbox is
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begin
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with di(07 downto 00) select
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do <=
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-- start sbox
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X"63" when X"00", X"7c" when X"01", X"77" when X"02", X"7b" when X"03",
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X"f2" when X"04", X"6b" when X"05", X"6f" when X"06", X"c5" when X"07",
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X"30" when X"08", X"01" when X"09", X"67" when X"0a", X"2b" when X"0b",
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X"fe" when X"0c", X"d7" when X"0d", X"ab" when X"0e", X"76" when X"0f",
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X"ca" when X"10", X"82" when X"11", X"c9" when X"12", X"7d" when X"13",
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X"fa" when X"14", X"59" when X"15", X"47" when X"16", X"f0" when X"17",
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X"ad" when X"18", X"d4" when X"19", X"a2" when X"1a", X"af" when X"1b",
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X"9c" when X"1c", X"a4" when X"1d", X"72" when X"1e", X"c0" when X"1f",
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X"b7" when X"20", X"fd" when X"21", X"93" when X"22", X"26" when X"23",
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X"36" when X"24", X"3f" when X"25", X"f7" when X"26", X"cc" when X"27",
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X"34" when X"28", X"a5" when X"29", X"e5" when X"2a", X"f1" when X"2b",
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X"71" when X"2c", X"d8" when X"2d", X"31" when X"2e", X"15" when X"2f",
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X"04" when X"30", X"c7" when X"31", X"23" when X"32", X"c3" when X"33",
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X"18" when X"34", X"96" when X"35", X"05" when X"36", X"9a" when X"37",
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X"07" when X"38", X"12" when X"39", X"80" when X"3a", X"e2" when X"3b",
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X"eb" when X"3c", X"27" when X"3d", X"b2" when X"3e", X"75" when X"3f",
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X"09" when X"40", X"83" when X"41", X"2c" when X"42", X"1a" when X"43",
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X"1b" when X"44", X"6e" when X"45", X"5a" when X"46", X"a0" when X"47",
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X"52" when X"48", X"3b" when X"49", X"d6" when X"4a", X"b3" when X"4b",
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X"29" when X"4c", X"e3" when X"4d", X"2f" when X"4e", X"84" when X"4f",
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X"53" when X"50", X"d1" when X"51", X"00" when X"52", X"ed" when X"53",
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X"20" when X"54", X"fc" when X"55", X"b1" when X"56", X"5b" when X"57",
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X"6a" when X"58", X"cb" when X"59", X"be" when X"5a", X"39" when X"5b",
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X"4a" when X"5c", X"4c" when X"5d", X"58" when X"5e", X"cf" when X"5f",
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X"d0" when X"60", X"ef" when X"61", X"aa" when X"62", X"fb" when X"63",
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X"43" when X"64", X"4d" when X"65", X"33" when X"66", X"85" when X"67",
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X"45" when X"68", X"f9" when X"69", X"02" when X"6a", X"7f" when X"6b",
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X"50" when X"6c", X"3c" when X"6d", X"9f" when X"6e", X"a8" when X"6f",
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X"51" when X"70", X"a3" when X"71", X"40" when X"72", X"8f" when X"73",
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X"92" when X"74", X"9d" when X"75", X"38" when X"76", X"f5" when X"77",
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X"bc" when X"78", X"b6" when X"79", X"da" when X"7a", X"21" when X"7b",
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X"10" when X"7c", X"ff" when X"7d", X"f3" when X"7e", X"d2" when X"7f",
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X"cd" when X"80", X"0c" when X"81", X"13" when X"82", X"ec" when X"83",
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X"5f" when X"84", X"97" when X"85", X"44" when X"86", X"17" when X"87",
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X"c4" when X"88", X"a7" when X"89", X"7e" when X"8a", X"3d" when X"8b",
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X"64" when X"8c", X"5d" when X"8d", X"19" when X"8e", X"73" when X"8f",
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X"60" when X"90", X"81" when X"91", X"4f" when X"92", X"dc" when X"93",
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X"22" when X"94", X"2a" when X"95", X"90" when X"96", X"88" when X"97",
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X"46" when X"98", X"ee" when X"99", X"b8" when X"9a", X"14" when X"9b",
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X"de" when X"9c", X"5e" when X"9d", X"0b" when X"9e", X"db" when X"9f",
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X"e0" when X"a0", X"32" when X"a1", X"3a" when X"a2", X"0a" when X"a3",
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X"49" when X"a4", X"06" when X"a5", X"24" when X"a6", X"5c" when X"a7",
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X"c2" when X"a8", X"d3" when X"a9", X"ac" when X"aa", X"62" when X"ab",
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X"91" when X"ac", X"95" when X"ad", X"e4" when X"ae", X"79" when X"af",
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X"e7" when X"b0", X"c8" when X"b1", X"37" when X"b2", X"6d" when X"b3",
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X"8d" when X"b4", X"d5" when X"b5", X"4e" when X"b6", X"a9" when X"b7",
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X"6c" when X"b8", X"56" when X"b9", X"f4" when X"ba", X"ea" when X"bb",
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X"65" when X"bc", X"7a" when X"bd", X"ae" when X"be", X"08" when X"bf",
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X"ba" when X"c0", X"78" when X"c1", X"25" when X"c2", X"2e" when X"c3",
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X"1c" when X"c4", X"a6" when X"c5", X"b4" when X"c6", X"c6" when X"c7",
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X"e8" when X"c8", X"dd" when X"c9", X"74" when X"ca", X"1f" when X"cb",
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X"4b" when X"cc", X"bd" when X"cd", X"8b" when X"ce", X"8a" when X"cf",
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X"70" when X"d0", X"3e" when X"d1", X"b5" when X"d2", X"66" when X"d3",
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X"48" when X"d4", X"03" when X"d5", X"f6" when X"d6", X"0e" when X"d7",
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X"61" when X"d8", X"35" when X"d9", X"57" when X"da", X"b9" when X"db",
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X"86" when X"dc", X"c1" when X"dd", X"1d" when X"de", X"9e" when X"df",
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X"e1" when X"e0", X"f8" when X"e1", X"98" when X"e2", X"11" when X"e3",
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X"69" when X"e4", X"d9" when X"e5", X"8e" when X"e6", X"94" when X"e7",
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X"9b" when X"e8", X"1e" when X"e9", X"87" when X"ea", X"e9" when X"eb",
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X"ce" when X"ec", X"55" when X"ed", X"28" when X"ee", X"df" when X"ef",
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X"8c" when X"f0", X"a1" when X"f1", X"89" when X"f2", X"0d" when X"f3",
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X"bf" when X"f4", X"e6" when X"f5", X"42" when X"f6", X"68" when X"f7",
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X"41" when X"f8", X"99" when X"f9", X"2d" when X"fa", X"0f" when X"fb",
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X"b0" when X"fc", X"54" when X"fd", X"bb" when X"fe", X"16" when X"ff",
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-- end sbox
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X"00" when others;
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end phy;
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