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 17 #include "tink/prf/prf_set.h" 18 19 #include <string> 20 21 #include "absl/status/status.h" 22 23 namespace crypto { 24 namespace tink { 25 ComputePrimary(absl::string_view input,size_t output_length) const26util::StatusOr<std::string> PrfSet::ComputePrimary(absl::string_view input, 27 size_t output_length) const { 28 auto prfs = GetPrfs(); 29 auto prf_it = prfs.find(GetPrimaryId()); 30 if (prf_it == prfs.end()) { 31 return util::Status(absl::StatusCode::kInternal, 32 "PrfSet has no PRF for primary ID."); 33 } 34 return prf_it->second->Compute(input, output_length); 35 } 36 37 } // namespace tink 38 } // namespace crypto 39