chromium/third_party/abseil-cpp/absl/random/internal/nonsecure_base.h

// Copyright 2017 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef ABSL_RANDOM_INTERNAL_NONSECURE_BASE_H_
#define ABSL_RANDOM_INTERNAL_NONSECURE_BASE_H_

#include <algorithm>
#include <cstdint>
#include <iterator>
#include <type_traits>
#include <utility>
#include <vector>

#include "absl/base/macros.h"
#include "absl/container/inlined_vector.h"
#include "absl/meta/type_traits.h"
#include "absl/random/internal/pool_urbg.h"
#include "absl/random/internal/salted_seed_seq.h"
#include "absl/random/internal/seed_material.h"
#include "absl/types/span.h"

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace random_internal {

// RandenPoolSeedSeq is a custom seed sequence type where generate() fills the
// provided buffer via the RandenPool entropy source.
class RandenPoolSeedSeq { … };

// Each instance of NonsecureURBGBase<URBG> will be seeded by variates produced
// by a thread-unique URBG-instance.
template <typename URBG, typename Seeder = RandenPoolSeedSeq>
class NonsecureURBGBase { … };

}  // namespace random_internal
ABSL_NAMESPACE_END
}  // namespace absl

#endif  // ABSL_RANDOM_INTERNAL_NONSECURE_BASE_H_