Subversion Repositories avs_aes

--------------------------------------------------------------------------------
-- This file is part of the project  avs_aes
-- see: http://opencores.org/project,avs_aes
--
-- description: (THIS IS ONLY THE ENTITY FOR THE SHIFTROW COMPONENTS) 
-- Shift Row rotates the Rows of the AES Block
-- This module takes the whole Rijdael state as input, extracts the rows,
-- shifts them and rebuilts the state.
--
-------------------------------------------------------------------------------
--
-- Author(s):
--	   Thomas Ruschival -- ruschi@opencores.org (www.ruschival.de)
--
--------------------------------------------------------------------------------
-- Copyright (c) 2009, Authors and opencores.org
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without modification,
-- are permitted provided that the following conditions are met:
--    * Redistributions of source code must retain the above copyright notice,
--    this list of conditions and the following disclaimer.
--    * Redistributions in binary form must reproduce the above copyright notice,
--    this list of conditions and the following disclaimer in the documentation
--    and/or other materials provided with the distribution.
--    * Neither the name of the organization nor the names of its contributors
--    may be used to endorse or promote products derived from this software without
--    specific prior written permission.
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
-- OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-- THE POSSIBILITY OF SUCH DAMAGE
-------------------------------------------------------------------------------
-- version management:
-- $Author::                                         $
-- $Date::                                           $
-- $Revision::                                       $
-------------------------------------------------------------------------------
 
library IEEE;
use IEEE.numeric_std.all;
use IEEE.std_logic_1164.all;
 
library avs_aes_lib;
use avs_aes_lib.avs_aes_pkg.all;
 
entity Shiftrow is
	port (
		state_in  : in	STATE;			-- Raw input data to be shifted
		state_out : out STATE			-- shifted result
		);
end entity Shiftrow;