| // Copyright 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #include "tink/prf/prf_set.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| util::StatusOr<std::string> PrfSet::ComputePrimary(absl::string_view input, |
| size_t output_length) const { |
| auto prfs = GetPrfs(); |
| auto prf_it = prfs.find(GetPrimaryId()); |
| if (prf_it == prfs.end()) { |
| return util::Status(util::error::INTERNAL, |
| "PrfSet has no PRF for primary ID."); |
| } |
| return prf_it->second->Compute(input, output_length); |
| } |
| |
| } // namespace tink |
| } // namespace crypto |