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/* vi: set sw=4 ts=4:
*
* Copyright (C) 2001 - 2012 Christian Hohnstaedt.
*
* All rights reserved.
*/
#ifndef __ENTROPY_H
#define __ENTROPY_H
#include <QString>
#include <QElapsedTimer>
class Entropy
{
protected:
QString rnd{};
static QElapsedTimer timer;
static unsigned char pool[512];
static unsigned pool_pos;
static unsigned seed_strength;
static int random_from_file(QString fname, unsigned amount,
int weakness=1);
public:
Entropy();
~Entropy();
static void add(int rand);
static void add_buf(const unsigned char *buf, int buflen);
static int get(unsigned char *buf, int num);
static void seed_rng();
static unsigned strength();
static QString makeSalt(void);
};
#endif
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