1 // Copyright 2020 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 #ifndef TINK_PRF_PRF_SET_WRAPPER_H_ 17 #define TINK_PRF_PRF_SET_WRAPPER_H_ 18 19 #include <cstdint> 20 #include <memory> 21 22 #include "tink/prf/prf_set.h" 23 #include "tink/primitive_set.h" 24 #include "tink/primitive_wrapper.h" 25 #include "tink/util/statusor.h" 26 27 namespace crypto { 28 namespace tink { 29 30 // Wraps a set of PrfSet-instances that correspond to a keyset, 31 // and combines them into a single PrfSet-primitive, that uses the provided 32 // instances, by using the keysets key ID as Prf ID and computing the union of 33 // the provided PRFs. 34 class PrfSetWrapper : public PrimitiveWrapper<Prf, PrfSet> { 35 public: 36 util::StatusOr<std::unique_ptr<PrfSet>> Wrap( 37 std::unique_ptr<PrimitiveSet<Prf>> prf_set) const override; 38 }; 39 40 } // namespace tink 41 } // namespace crypto 42 43 #endif // TINK_PRF_PRF_SET_WRAPPER_H_ 44