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 17 #ifndef TINK_PARTIAL_KEY_ACCESS_TOKEN_H_ 18 #define TINK_PARTIAL_KEY_ACCESS_TOKEN_H_ 19 20 namespace crypto { 21 namespace tink { 22 23 class PartialKeyAccessToken { 24 public: 25 // Copyable and movable. 26 PartialKeyAccessToken(const PartialKeyAccessToken& other) = default; 27 PartialKeyAccessToken& operator=(const PartialKeyAccessToken& other) = 28 default; 29 PartialKeyAccessToken(PartialKeyAccessToken&& other) = default; 30 PartialKeyAccessToken& operator=(PartialKeyAccessToken&& other) = default; 31 32 private: 33 // `GetPartialKeyAccess()` requires access to the constructor. 34 friend PartialKeyAccessToken GetPartialKeyAccess(); 35 36 PartialKeyAccessToken() = default; 37 }; 38 39 } // namespace tink 40 } // namespace crypto 41 42 #endif // TINK_PARTIAL_KEY_ACCESS_TOKEN_H_ 43