1 // Copyright 2021 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_JWT_JWK_SET_CONVERTER_H_ 18 #define TINK_JWT_JWK_SET_CONVERTER_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include "absl/strings/string_view.h" 24 #include "tink/keyset_handle.h" 25 #include "tink/util/statusor.h" 26 27 namespace crypto { 28 namespace tink { 29 30 // Converts a Json Web Key (JWK) set into a Tink KeysetHandle. 31 // 32 // It requires that all keys in the set have the "alg" field set. Currently, 33 // only public keys for algorithms RS256, RS384, RS512, ES256, ES384 and ES512 34 // are supported. 35 // 36 // JWK is defined in https://www.rfc-editor.org/rfc/rfc7517.txt. 37 util::StatusOr<std::unique_ptr<KeysetHandle>> JwkSetToPublicKeysetHandle( 38 absl::string_view jwk_set); 39 40 // Converts a Tink KeysetHandle with JWT keys into a Json Web Key (JWK) set. 41 // 42 // Currently only public keys for algorithms ES256, ES384 and ES512 are 43 // supported. 44 // 45 // JWK is defined in https://www.rfc-editor.org/rfc/rfc7517.txt. 46 util::StatusOr<std::string> JwkSetFromPublicKeysetHandle( 47 const KeysetHandle& keyset_handle); 48 49 } // namespace tink 50 } // namespace crypto 51 52 #endif // TINK_JWT_JWK_SET_CONVERTER_H_ 53