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/*
* Auto Seeded RNG
* (C) 2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_AUTO_SEEDING_RNG_H__
#define BOTAN_AUTO_SEEDING_RNG_H__
#include <botan/rng.h>
#include <string>
namespace Botan {
/**
* RNG that attempts to seed itself
*/
class BOTAN_DLL AutoSeeded_RNG : public RandomNumberGenerator
{
public:
void randomize(byte out[], u32bit len)
{ rng->randomize(out, len); }
bool is_seeded() const
{ return rng->is_seeded(); }
void clear() throw() { rng->clear(); }
std::string name() const
{ return "AutoSeeded(" + rng->name() + ")"; }
void reseed(u32bit poll_bits = 256) { rng->reseed(poll_bits); }
void add_entropy_source(EntropySource* es)
{ rng->add_entropy_source(es); }
void add_entropy(const byte in[], u32bit len)
{ rng->add_entropy(in, len); }
AutoSeeded_RNG(u32bit poll_bits = 256);
~AutoSeeded_RNG() { delete rng; }
private:
RandomNumberGenerator* rng;
};
}
#endif
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