| // Copyright 2022 The Pigweed 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. |
| #pragma once |
| |
| #include <cstdint> |
| |
| #include "pw_bytes/span.h" |
| #include "pw_fuzzer/fuzzed_data_provider.h" |
| #include "pw_random/random.h" |
| |
| namespace pw::random { |
| |
| // FuzzerRandomGenerator is intended to be used as the generator in fuzz tests. |
| // It returns data from the fuzzer input. |
| class FuzzerRandomGenerator : public RandomGenerator { |
| public: |
| FuzzerRandomGenerator(FuzzedDataProvider* provider) : provider_(provider) {} |
| void Get(ByteSpan dest) override { |
| provider_->ConsumeData(dest.data(), dest.size()); |
| } |
| |
| void InjectEntropyBits(uint32_t /*data*/, |
| uint_fast8_t /*num_bits*/) override {} |
| |
| private: |
| FuzzedDataProvider* provider_; |
| }; |
| |
| } // namespace pw::random |