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_SIGNATURE_FAILING_SIGNATURE_H_ 17*e7b1675dSTing-Kang Chang #define TINK_SIGNATURE_FAILING_SIGNATURE_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/public_key_sign.h" 24*e7b1675dSTing-Kang Chang #include "tink/public_key_verify.h" 25*e7b1675dSTing-Kang Chang 26*e7b1675dSTing-Kang Chang namespace crypto { 27*e7b1675dSTing-Kang Chang namespace tink { 28*e7b1675dSTing-Kang Chang 29*e7b1675dSTing-Kang Chang // Returns a PublicKeySign that always return an error when calling Sign. 30*e7b1675dSTing-Kang Chang // The error message will contain `message`. 31*e7b1675dSTing-Kang Chang std::unique_ptr<PublicKeySign> CreateAlwaysFailingPublicKeySign( 32*e7b1675dSTing-Kang Chang std::string message = ""); 33*e7b1675dSTing-Kang Chang 34*e7b1675dSTing-Kang Chang // Returns a PublicKeyVerify that always returns an error when calling Verify. 35*e7b1675dSTing-Kang Chang // The error message will contain `message`. 36*e7b1675dSTing-Kang Chang std::unique_ptr<PublicKeyVerify> CreateAlwaysFailingPublicKeyVerify( 37*e7b1675dSTing-Kang Chang std::string message = ""); 38*e7b1675dSTing-Kang Chang 39*e7b1675dSTing-Kang Chang } // namespace tink 40*e7b1675dSTing-Kang Chang } // namespace crypto 41*e7b1675dSTing-Kang Chang 42*e7b1675dSTing-Kang Chang 43*e7b1675dSTing-Kang Chang #endif // TINK_SIGNATURE_FAILING_SIGNATURE_H_ 44