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_INTERNAL_JWT_PUBLIC_KEY_SIGN_INTERNAL_H_ 18 #define TINK_JWT_INTERNAL_JWT_PUBLIC_KEY_SIGN_INTERNAL_H_ 19 20 #include <string> 21 22 #include "absl/strings/string_view.h" 23 #include "tink/jwt/raw_jwt.h" 24 #include "tink/util/status.h" 25 #include "tink/util/statusor.h" 26 27 namespace crypto { 28 namespace tink { 29 30 /////////////////////////////////////////////////////////////////////////////// 31 // Internal interface for signing JWT. 32 // 33 // Sees RFC 7519 and RFC 7515. Security guarantees: similar to PublicKeySign. 34 class JwtPublicKeySignInternal { 35 public: 36 // Computes a signature, and encodes the JWT and the signature in the JWS 37 // compact serialization format. 38 // 39 // When `kid` has a value, the token will have a kid header. `kid` is set by 40 // the primitive wrapper based on the output prefix type and the key id. 41 virtual crypto::tink::util::StatusOr<std::string> SignAndEncodeWithKid( 42 const RawJwt& token, absl::optional<absl::string_view> kid) const = 0; 43 44 virtual ~JwtPublicKeySignInternal() = default; 45 }; 46 47 } // namespace tink 48 } // namespace crypto 49 50 #endif // TINK_JWT_INTERNAL_JWT_PUBLIC_KEY_SIGN_INTERNAL_H_ 51