1 // Copyright 2017 Google Inc. 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_SIGNATURE_PUBLIC_KEY_SIGN_WRAPPER_H_ 18 #define TINK_SIGNATURE_PUBLIC_KEY_SIGN_WRAPPER_H_ 19 20 #include <memory> 21 22 #include "absl/strings/string_view.h" 23 #include "tink/primitive_set.h" 24 #include "tink/primitive_wrapper.h" 25 #include "tink/public_key_sign.h" 26 #include "tink/util/statusor.h" 27 #include "proto/tink.pb.h" 28 29 namespace crypto { 30 namespace tink { 31 32 // Wraps a set of PublicKeySign-instances that correspond to a keyset, 33 // and combines them into a single PublicKeySign-primitive, 34 // that for the actual verification uses the instance that matches the 35 // signature prefix. 36 class PublicKeySignWrapper 37 : public PrimitiveWrapper<PublicKeySign, PublicKeySign> { 38 public: 39 // Returns an PublicKeySign-primitive that uses the primary 40 // PublicKeySign-instance provided in 'public_key_sign_set', 41 // which must be non-NULL (and must contain a primary instance). 42 crypto::tink::util::StatusOr<std::unique_ptr<PublicKeySign>> Wrap( 43 std::unique_ptr<PrimitiveSet<PublicKeySign>> primitive_set) 44 const override; 45 }; 46 47 } // namespace tink 48 } // namespace crypto 49 50 #endif // TINK_SIGNATURE_PUBLIC_KEY_SIGN_WRAPPER_H_ 51