1 // Copyright 2018 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_UTIL_KEYSET_UTIL_H_ 18 #define TINK_UTIL_KEYSET_UTIL_H_ 19 20 #include <cstdint> 21 22 #include "proto/tink.pb.h" 23 24 namespace crypto { 25 namespace tink { 26 27 // Generate a new random key ID not previously used in `keyset`. 28 uint32_t GenerateUnusedKeyId(const google::crypto::tink::Keyset& keyset); 29 30 } // namespace tink 31 } // namespace crypto 32 33 #endif // TINK_UTIL_KEYSET_UTIL_H_ 34