peridot/lib/rng/system_random.h

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef PERIDOT_LIB_RNG_SYSTEM_RANDOM_H_
#define PERIDOT_LIB_RNG_SYSTEM_RANDOM_H_

#include "peridot/lib/rng/random.h"

#include <zircon/syscalls.h>

namespace rng {

// Implementation of |Random| that uses the system RNG.
class SystemRandom final : public Random {
 private:
  void InternalDraw(void* buffer, size_t buffer_size) override {
    zx_cprng_draw(buffer, buffer_size);
  }
};

}  // namespace rng

#endif  // PERIDOT_LIB_RNG_SYSTEM_RANDOM_H_