| /* |
| * |
| * Copyright (c) 2020 Project CHIP Authors |
| * Copyright (c) 2019 Google LLC. |
| * |
| * 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. |
| */ |
| |
| #include <crypto/CHIPCryptoPAL.h> |
| #include <crypto/RandUtils.h> |
| #include <lib/support/CodeUtils.h> |
| |
| namespace chip { |
| |
| namespace DeviceLayer { |
| namespace Internal { |
| |
| CHIP_ERROR InitEntropy() |
| { |
| unsigned int seed; |
| ReturnErrorOnFailure(Crypto::DRBG_get_bytes((uint8_t *) &seed, sizeof(seed))); |
| srand(seed); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| } // namespace Internal |
| } // namespace DeviceLayer |
| } // namespace chip |
