1*e7b1675dSTing-Kang Chang // Copyright 2022 Google LLC 2*e7b1675dSTing-Kang Chang // 3*e7b1675dSTing-Kang Chang // Licensed under the Apache License, Version 2.0 (the "License"); 4*e7b1675dSTing-Kang Chang // you may not use this file except in compliance with the License. 5*e7b1675dSTing-Kang Chang // You may obtain a copy of the License at 6*e7b1675dSTing-Kang Chang // 7*e7b1675dSTing-Kang Chang // http://www.apache.org/licenses/LICENSE-2.0 8*e7b1675dSTing-Kang Chang // 9*e7b1675dSTing-Kang Chang // Unless required by applicable law or agreed to in writing, software 10*e7b1675dSTing-Kang Chang // distributed under the License is distributed on an "AS IS" BASIS, 11*e7b1675dSTing-Kang Chang // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*e7b1675dSTing-Kang Chang // See the License for the specific language governing permissions and 13*e7b1675dSTing-Kang Chang // limitations under the License. 14*e7b1675dSTing-Kang Chang // 15*e7b1675dSTing-Kang Chang /////////////////////////////////////////////////////////////////////////////// 16*e7b1675dSTing-Kang Chang #ifndef TINK_MAC_FAILING_MAC_H_ 17*e7b1675dSTing-Kang Chang #define TINK_MAC_FAILING_MAC_H_ 18*e7b1675dSTing-Kang Chang 19*e7b1675dSTing-Kang Chang #include <memory> 20*e7b1675dSTing-Kang Chang #include <string> 21*e7b1675dSTing-Kang Chang 22*e7b1675dSTing-Kang Chang #include "absl/strings/string_view.h" 23*e7b1675dSTing-Kang Chang #include "tink/mac.h" 24*e7b1675dSTing-Kang Chang 25*e7b1675dSTing-Kang Chang namespace crypto { 26*e7b1675dSTing-Kang Chang namespace tink { 27*e7b1675dSTing-Kang Chang 28*e7b1675dSTing-Kang Chang // Returns a MAC that always returns an error when calling ComputeMac or 29*e7b1675dSTing-Kang Chang // VerifyMac. The error message will contain `message`. 30*e7b1675dSTing-Kang Chang std::unique_ptr<Mac> CreateAlwaysFailingMac(std::string message = ""); 31*e7b1675dSTing-Kang Chang 32*e7b1675dSTing-Kang Chang } // namespace tink 33*e7b1675dSTing-Kang Chang } // namespace crypto 34*e7b1675dSTing-Kang Chang 35*e7b1675dSTing-Kang Chang #endif // TINK_MAC_FAILING_MAC_H_ 36