1 // Copyright 2019 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_KEYDERIVATION_KEYSET_DERIVER_WRAPPER_H_ 18 #define TINK_KEYDERIVATION_KEYSET_DERIVER_WRAPPER_H_ 19 20 #include <memory> 21 22 #include "tink/keyderivation/keyset_deriver.h" 23 #include "tink/primitive_set.h" 24 #include "tink/primitive_wrapper.h" 25 26 namespace crypto { 27 namespace tink { 28 29 // A KeysetDeriverWrapper wraps the KeysetDeriver primitive. 30 // 31 // The wrapper derives a key from each key in a keyset. It returns the resulting 32 // keys in a new keyset. Each of the derived keys inherits key_id, status, and 33 // output_prefix_type from the key from which it was derived. 34 class KeysetDeriverWrapper 35 : public PrimitiveWrapper<KeysetDeriver, KeysetDeriver> { 36 public: 37 crypto::tink::util::StatusOr<std::unique_ptr<KeysetDeriver>> Wrap( 38 std::unique_ptr<PrimitiveSet<KeysetDeriver>> deriver_set) const override; 39 }; 40 41 } // namespace tink 42 } // namespace crypto 43 44 #endif // TINK_KEYDERIVATION_KEYSET_DERIVER_WRAPPER_H_ 45