|
|
|
/***************************************************************************
|
|
|
|
* Copyright (C) 2005 by Tarek Saidi *
|
|
|
|
* mail@tarek-saidi.de *
|
|
|
|
* *
|
|
|
|
* 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; version 2 of the License. *
|
|
|
|
|
|
|
|
* *
|
|
|
|
* 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. *
|
|
|
|
***************************************************************************/
|
|
|
|
#include <iostream>
|
|
|
|
#include <fstream>
|
|
|
|
#include "random.h"
|
|
|
|
|
|
|
|
#if defined(Q_WS_WIN)
|
|
|
|
#include <QSysInfo>
|
|
|
|
#include <QMessageBox>
|
|
|
|
#include <windows.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
using namespace std;
|
|
|
|
|
|
|
|
void getRandomBytes(void* buffer,int NumBlocks){
|
|
|
|
#if defined(Q_WS_WIN)
|
|
|
|
// RtlGenRandom
|
|
|
|
if (QSysInfo::WindowsVersion>=QSysInfo::WV_XP){
|
|
|
|
bool success=false;
|
|
|
|
HMODULE hLib=LoadLibraryA("ADVAPI32.DLL");
|
|
|
|
if (hLib) {
|
|
|
|
BOOLEAN (APIENTRY *pfn)(void*, ULONG) = (BOOLEAN (APIENTRY *)(void*,ULONG))GetProcAddress(hLib,"SystemFunction036");
|
|
|
|
if (pfn && pfn(buffer,NumBlocks)) {
|
|
|
|
success=true;
|
|
|
|
}
|
|
|
|
FreeLibrary(hLib);
|
|
|
|
}
|
|
|
|
if (success)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
FILE* dev_random = fopen("/dev/random","r");
|
|
|
|
if (dev_random){
|
|
|
|
size_t bytesRead = fread(buffer,1,NumBlocks,dev_random);
|
|
|
|
fclose(dev_random);
|
|
|
|
if (bytesRead==NumBlocks)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
srand(time(NULL));
|
|
|
|
for(int i=0;i<NumBlocks;i++){
|
|
|
|
((quint8*)buffer)[i] = (quint8) (rand()%256);
|
|
|
|
}
|
|
|
|
}
|