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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 <botan/libstate.h>
#include <string>
namespace Botan {
/**
* An automatically seeded PRNG
*/
class BOTAN_DLL AutoSeeded_RNG : public RandomNumberGenerator
{
public:
void randomize(byte out[], size_t len)
{ rng->randomize(out, len); }
bool is_seeded() const { return rng->is_seeded(); }
void clear() { rng->clear(); }
std::string name() const { return rng->name(); }
void reseed(size_t poll_bits = 256) { rng->reseed(poll_bits); }
void add_entropy_source(EntropySource* es)
{ rng->add_entropy_source(es); }
void add_entropy(const byte in[], size_t len)
{ rng->add_entropy(in, len); }
AutoSeeded_RNG() { rng = &global_state().global_rng(); }
private:
RandomNumberGenerator* rng;
};
}
#endif
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