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/*
* Copyright 2020 The Android Open Source Project
*
* 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
*
* http://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 <openssl/rand.h>
#include <array>
namespace bluetooth {
namespace os {
template <size_t SIZE>
std::array<uint8_t, SIZE> GenerateRandom() {
std::array<uint8_t, SIZE> ret;
ASSERT(RAND_bytes(ret.data(), ret.size()) == 1);
return ret;
}
inline uint32_t GenerateRandom() {
uint32_t ret{};
ASSERT(RAND_bytes((uint8_t*)(&ret), sizeof(uint32_t)) == 1);
return ret;
}
} // namespace os
} // namespace bluetooth
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