Coverage Report

Created: 2020-05-23 13:54

/src/botan/build/include/botan/system_rng.h
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/*
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* System RNG interface
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* (C) 2014,2015 Jack Lloyd
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*
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* Botan is released under the Simplified BSD License (see license.txt)
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*/
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#ifndef BOTAN_SYSTEM_RNG_H_
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#define BOTAN_SYSTEM_RNG_H_
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#include <botan/rng.h>
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namespace Botan {
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/**
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* Return a shared reference to a global PRNG instance provided by the
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* operating system. For instance might be instantiated by /dev/urandom
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* or CryptGenRandom.
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*/
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BOTAN_PUBLIC_API(2,0) RandomNumberGenerator& system_rng();
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/*
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* Instantiable reference to the system RNG.
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*/
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class BOTAN_PUBLIC_API(2,0) System_RNG final : public RandomNumberGenerator
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   {
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   public:
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      std::string name() const override { return system_rng().name(); }
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      void randomize(uint8_t out[], size_t len) override { system_rng().randomize(out, len); }
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      void add_entropy(const uint8_t in[], size_t length) override { system_rng().add_entropy(in, length); }
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      bool is_seeded() const override { return system_rng().is_seeded(); }
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      bool accepts_input() const override { return system_rng().accepts_input(); }
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      void clear() override { system_rng().clear(); }
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   };
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}
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#endif