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git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@1 b624d157-de02-0410-bad0-e51aec6abb33
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47
src/lib/random.cpp
Executable file
47
src/lib/random.cpp
Executable file
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/***************************************************************************
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* Copyright (C) 2005 by Tarek Saidi *
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* mail@tarek-saidi.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <iostream.h>
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#include <fstream.h>
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#include <qdatetime.h>
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#include <qobject.h>
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#include "random.h"
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void getRandomBytes(void* buffer,int NumBlocks,int BlockSize,bool Strong){
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FILE *dev_random;
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if(Strong){
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dev_random = fopen("/dev/random","r");}
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else{
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dev_random = fopen("/dev/urandom","r");}
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if (dev_random==NULL){
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cout << QObject::tr("/dev/random konnte nicht geöffnet werden - nutze Standardbibliothek (stdlib)") << endl;
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srand(QTime(0,0,0).secsTo(QTime::currentTime()));
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for(int i=0;i<NumBlocks*BlockSize;i++){
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UINT8 rnd=rand()%256;
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((UINT8*)buffer)[i]=rnd;
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}
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return;
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}
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else{
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fread(buffer,BlockSize,NumBlocks,dev_random);
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fclose(dev_random);
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return;
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}
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}
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