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/*
* /dev/random EntropySource
* (C) 1999-2009 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_ENTROPY_SRC_DEVICE_H_
#define BOTAN_ENTROPY_SRC_DEVICE_H_
#include <botan/entropy_src.h>
#include <vector>
#include <string>
namespace Botan {
/**
* Entropy source reading from kernel devices like /dev/random
*/
class Device_EntropySource final : public Entropy_Source
{
public:
std::string name() const override { return "dev_random"; }
size_t poll(RandomNumberGenerator& rng) override;
explicit Device_EntropySource(const std::vector<std::string>& fsnames);
~Device_EntropySource();
private:
std::vector<int> m_dev_fds;
int m_max_fd;
};
}
#endif
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