stimulus.cpp

面积最小的AES高级加密算法实现

//////////////////////////////////////////////////////////////////////
////                                                              ////
////  Random testbench stimulus generation                        ////
////                                                              ////
////  This file is part of the SystemC AES                        ////
////                                                              ////
////  Description:                                                ////
////  Generate random stimulus to the core                        ////
////                                                              ////
////  To Do:                                                      ////
////   - done                                                     ////
////                                                              ////
////  Author(s):                                                  ////
////      - Javier Castillo, [e-mail]               ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
////                                                              ////
//// 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: stimulus.cpp,v $
// Revision 1.1  2005/02/14 11:18:31  jcastillo
// Moved
//
// Revision 1.3  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 "stimulus.h"

void test::tb()
{

	sc_biguint<128> aes_key_var, aes_data_var;
	bool decrypt_var;

	scv_random::set_global_seed(53246);

	random_generator rg("random_generator");

	transactor->resetea();

	while (1)
	{

		rg.aes_key->next();
		rg.aes_data->next();
		rg.decrypt->next();


		aes_data_var = *(rg.aes_data);
		aes_key_var = *(rg.aes_key);
		decrypt_var = *(rg.decrypt);

		if (!decrypt_var)
		{
			//cout << "Encrypt: 0x"  << (int)des_data_var.range(63,32) << (int)des_data_var.range(31,0) << " 0x" << (int)des_key_var.range(63,32) << (int)des_key_var.range(31,0) << " " << sc_time_stamp() << endl;
			transactor->encrypt(aes_data_var, aes_key_var);
		}
		else
		{
			//cout << "Decrypt: 0x"  << (int)des_data_var.range(63,32) << (int)des_data_var.range(31,0) << " 0x" << (int)des_key_var.range(63,32) << (int)des_key_var.range(31,0) << " " << sc_time_stamp() << endl;
			transactor->decrypt(aes_data_var, aes_key_var);
		}
	}

}