| // Copyright 2021 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 |
| |
| namespace pw::crypto::sha256::backend { |
| |
| // Not used. |
| typedef struct empty { |
| } NativeSha256Context; |
| |
| enum class ErrorKind { |
| kNone = 0, |
| kInit = 1, |
| kUpdate = 2, |
| kFinal = 3, |
| }; |
| |
| void InjectError(const ErrorKind err); |
| |
| inline void ClearError(void) { InjectError(ErrorKind::kNone); } |
| |
| } // namespace pw::crypto::sha256::backend |