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----------------------------------------------------------------------
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---- ----
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---- Pipelined Aes IP Core ----
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---- ----
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---- This file is part of the Pipelined AES project ----
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---- http://www.opencores.org/cores/aes_pipe/ ----
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---- ----
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---- Description ----
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---- Implementation of AES IP core according to ----
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---- FIPS PUB 197 specification document. ----
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---- ----
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---- To Do: ----
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---- - ----
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---- ----
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---- Author: ----
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---- - Subhasis Das, subhasis256@gmail.com ----
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---- ----
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----------------------------------------------------------------------
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---- ----
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---- Copyright (C) 2009 Authors and OPENCORES.ORG ----
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---- ----
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---- This source file may be used and distributed without ----
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---- restriction provided that this copyright statement is not ----
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---- removed from the file and that any derivative work contains ----
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---- the original copyright notice and the associated disclaimer. ----
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---- ----
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---- This source file is free software; you can redistribute it ----
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---- and/or modify it under the terms of the GNU Lesser General ----
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---- Public License as published by the Free Software Foundation; ----
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---- either version 2.1 of the License, or (at your option) any ----
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---- later version. ----
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---- ----
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---- This source is distributed in the hope that it will be ----
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---- useful, but WITHOUT ANY WARRANTY; without even the implied ----
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---- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ----
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---- PURPOSE. See the GNU Lesser General Public License for more ----
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---- details. ----
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---- ----
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---- You should have received a copy of the GNU Lesser General ----
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---- Public License along with this source; if not, download it ----
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---- from http://www.opencores.org/lgpl.shtml ----
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---- ----
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----------------------------------------------------------------------
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------------------------------------------------------
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-- Project: AESFast
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-- Author: Subhasis
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-- Last Modified: 20/03/10
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-- Email: subhasis256@gmail.com
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------------------------------------------------------
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-- Common library file containing common data path definitions
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------------------------------------------------------
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library IEEE;
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use IEEE.std_logic_1164.all;
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package aes_pkg is
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-- A column of 4 bytes
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type blockcol is array(3 downto 0) of std_logic_vector(7 downto 0);
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-- A datablock of 16 bytes
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type datablock is array(3 downto 0, 3 downto 0) of std_logic_vector(7 downto 0);
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-- Vector of columns
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type colnet is array(natural range<>) of blockcol;
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-- Vector of blocks
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type datanet is array(natural range<>) of datablock;
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-- the 10 rcon bytes
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type rconarr is array(9 downto 0) of std_logic_vector(7 downto 0);
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constant rcon: rconarr := (X"36", X"1b", X"80", X"40", X"20", X"10", X"08", X"04", X"02", X"01");
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end package aes_pkg;
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