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[/] [systemcaes/] [trunk/] [rtl/] [systemc/] [aes128lowarea/] [word_mixcolum.cpp] - Rev 28
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////////////////////////////////////////////////////////////////////// //// //// //// Mixcolumns for a 16 bit word module implementation //// //// //// //// This file is part of the SystemC AES //// //// //// //// Description: //// //// Mixcolum for a 16 bit word //// //// //// //// To Do: //// //// - done //// //// //// //// Author(s): //// //// - Javier Castillo, jcastilo@opencores.org //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2000 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 //// //// //// ////////////////////////////////////////////////////////////////////// // // CVS Revision History // // $Log: not supported by cvs2svn $ // Revision 1.3 2005/01/20 18:14:06 jcastillo // Style changes to fit sc2v // // Revision 1.2 2004/08/30 14:44:44 jcastillo // Code Formater used to give better appearance to SystemC code // // Revision 1.1.1.1 2004/07/05 09:46:22 jcastillo // First import // #include "word_mixcolum.h" void word_mixcolum::mix(){ sc_uint<32> outx_var, outy_var; outx_var.range(31, 24) = x1.read(); outx_var.range(23, 16) = x2.read(); outx_var.range(15, 8) = x3.read(); outx_var.range(7, 0) = x4.read(); outy_var.range(31, 24) = y1.read(); outy_var.range(23, 16) = y2.read(); outy_var.range(15, 8) = y3.read(); outy_var.range(7, 0) = y4.read(); outx.write(outx_var); outy.write(outy_var); } void word_mixcolum::split() { sc_uint<32> in_var; in_var = in.read(); a.write(in_var.range(31, 24)); b.write(in_var.range(23, 16)); c.write(in_var.range(15, 8)); d.write(in_var.range(7, 0)); }