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_MAC_WRAPPER_H_ 18 #define TINK_JWT_INTERNAL_JWT_MAC_WRAPPER_H_ 19 20 #include <memory> 21 22 #include "tink/jwt/internal/jwt_mac_internal.h" 23 #include "tink/jwt/jwt_mac.h" 24 #include "tink/primitive_set.h" 25 #include "tink/primitive_wrapper.h" 26 #include "tink/util/statusor.h" 27 28 namespace crypto { 29 namespace tink { 30 namespace jwt_internal { 31 32 // Wraps a set of JwtMac-instances that correspond to a keyset, 33 // and combines them into a single JwtMac-primitive, that uses the provided 34 // instances, depending on the context: 35 // * JwtMac::ComputeMacAndEncode(...) uses the primary instance from the set 36 // * JwtMac::VerifyMacAndDecode(...) uses all instance from the set 37 // only keys with RAW output prefix are supported. 38 class JwtMacWrapper : public PrimitiveWrapper<JwtMacInternal, JwtMac> { 39 public: 40 util::StatusOr<std::unique_ptr<JwtMac>> Wrap( 41 std::unique_ptr<PrimitiveSet<JwtMacInternal>> jwt_mac_set) const override; 42 }; 43 44 } // namespace jwt_internal 45 } // namespace tink 46 } // namespace crypto 47 48 #endif // TINK_JWT_INTERNAL_JWT_MAC_WRAPPER_H_ 49