1 // Copyright 2021 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #pragma once 16 17 namespace pw::crypto::sha256::backend { 18 19 // Not used. 20 typedef struct empty { 21 } NativeSha256Context; 22 23 enum class ErrorKind { 24 kNone = 0, 25 kInit = 1, 26 kUpdate = 2, 27 kFinal = 3, 28 }; 29 30 void InjectError(const ErrorKind err); 31 ClearError(void)32inline void ClearError(void) { InjectError(ErrorKind::kNone); } 33 34 } // namespace pw::crypto::sha256::backend 35