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