1 // Copyright 2021 Google Inc. 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_KEY_ACCESS_H_ 18 #define TINK_KEY_ACCESS_H_ 19 20 namespace crypto { 21 namespace tink { 22 23 class KeyAccess { 24 public: PublicAccess()25 static KeyAccess PublicAccess() { 26 KeyAccess token(false); 27 return token; 28 } 29 CanAccessSecret()30 bool CanAccessSecret() { return can_access_secret_; } 31 32 // KeyAccess objects are copiable and movable. 33 KeyAccess(const KeyAccess&) = default; 34 KeyAccess& operator=(const KeyAccess&) = default; 35 KeyAccess(KeyAccess&& other) = default; 36 KeyAccess& operator=(KeyAccess&& other) = default; 37 38 private: 39 KeyAccess() = delete; KeyAccess(bool can_access_secret)40 explicit KeyAccess(bool can_access_secret) 41 : can_access_secret_(can_access_secret) {} 42 friend class SecretKeyAccess; 43 bool can_access_secret_; 44 }; 45 46 } // namespace tink 47 } // namespace crypto 48 49 #endif // TINK_KEY_ACCESS_H_ 50