| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| #ifndef WTF_OSRandomSource_h |
| #define WTF_OSRandomSource_h |
| |
| namespace WTF { |
| |
| // This function attempts to fill buffer with randomness from the operating |
| // system. If insufficient randomness is available, the buffer will be |
| // partially filled. Rather than calling this function directly, consider |
| // calling cryptographicallyRandomNumber or cryptographicallyRandomValues. |
| void cryptographicallyRandomValuesFromOS(unsigned char* buffer, size_t length); |
| } |
| |
| #endif |