1 // Copyright 2022 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://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, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 /////////////////////////////////////////////////////////////////////////////// 16 #ifndef TINK_MAC_FAILING_MAC_H_ 17 #define TINK_MAC_FAILING_MAC_H_ 18 19 #include <memory> 20 #include <string> 21 22 #include "absl/strings/string_view.h" 23 #include "tink/mac.h" 24 25 namespace crypto { 26 namespace tink { 27 28 // Returns a MAC that always returns an error when calling ComputeMac or 29 // VerifyMac. The error message will contain `message`. 30 std::unique_ptr<Mac> CreateAlwaysFailingMac(std::string message = ""); 31 32 } // namespace tink 33 } // namespace crypto 34 35 #endif // TINK_MAC_FAILING_MAC_H_ 36