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/***************************************************************************
* Copyright (C) 2006 *
* *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
/**
@author Svetlin Manavski <[email protected]>
*/
#include <iostream>
#include "aesCudaUtils.h"
#include "utilsBox.h"
#include <string.h>
using namespace std;
const int INPUTSIZE = 33*1024*1024;
bool MODE = 1;
//handler
extern "C"
int aesHost(unsigned char* result, const unsigned char* inData, int inputSize, const unsigned char* key, int keySize, bool toEncrypt);
int main(int argc, char *argv[])
{
try {
unsigned numPairs = commandLineManager(argc, argv);
unsigned aesType = static_cast<unsigned>(atoi(argv[2]));
unsigned ekSize=240;
if (aesType != 256)
ekSize = 176;
//per ogni coppia di file di input e di chiave svolge l'operazione
for (unsigned cnt=0; cnt<numPairs; ++cnt) {
char *h_Input = new char[INPUTSIZE];
if ( !h_Input )
throw string("cannot allocate memory for the input\n");
memset(h_Input, 0, INPUTSIZE);
unsigned char myExpKey[ekSize];
memset(myExpKey, 0, ekSize);
//funzione di inizializzazione che legge i file di input ed espande le chiavi.
unsigned usefulData = initAesCuda(argv[(cnt*2)+4], myExpKey, aesType, argv[(cnt*2)+3], h_Input, INPUTSIZE);
// memory for the result
unsigned char *h_Result = new unsigned char[INPUTSIZE];
if ( !h_Result )
throw string("cannot allocate memory for the result\n");
//la seguente operazione ha il seguente significato: poichè l'input viene scomposto in 256 blocchi di unsigned e cioè 1024 bytes, bisogna assicurarsi che la dimensione dell'input sia sempre multiplo di tale valore e cioè 1024 appunto.
unsigned modUsefulData = ( usefulData - ( usefulData % 1024 ) + 1024 );
//chiamata all'handler
int errorReturned = aesHost(h_Result, reinterpret_cast<unsigned char*>(h_Input), modUsefulData, myExpKey, sizeof(myExpKey), MODE);
if ( errorReturned == -1 )
throw string("aesHost: cannot use an input size minor of 256\n");
if ( errorReturned == -11 )
throw string("aesHost: cannot use an input size not multiple of 256\n");
if ( errorReturned == -2 )
throw string("aesHost: cannot use an expanded key size different from 240 or 176\n");
if ( errorReturned == -3 )
throw string("aesHost: some input not allocated\n");
cout << "\n###############################################################\n\n";
char numFile[10000];
sprintf(numFile, "%d", cnt);
string nameOutFile("output_");
nameOutFile.append(numFile);
nameOutFile.append(".dat");
//scrittura risultati in uscita
writeToFile(nameOutFile, reinterpret_cast<char *>(h_Result), usefulData, INPUTSIZE);
delete[] h_Result;
delete[] h_Input;
}
} catch(string ex){
cout << "Exception occurred: " << ex << endl;
}
return EXIT_SUCCESS;
}
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