1 /** 2 * Copyright 2021 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_CCSRC_ARMOUR_CIPHER_SHARES_H 18 #define MINDSPORE_CCSRC_ARMOUR_CIPHER_SHARES_H 19 20 #include <vector> 21 #include <string> 22 #include <memory> 23 #include <map> 24 #include <utility> 25 #include "fl/armour/secure_protocol/secret_sharing.h" 26 #include "proto/ps.pb.h" 27 #include "utils/log_adapter.h" 28 #include "fl/armour/cipher/cipher_init.h" 29 #include "fl/armour/cipher/cipher_meta_storage.h" 30 31 namespace mindspore { 32 namespace armour { 33 34 class CipherShares { 35 public: 36 // initialize: get cipher_init_ CipherShares()37 CipherShares() { cipher_init_ = &CipherInit::GetInstance(); } 38 ~CipherShares() = default; 39 GetInstance()40 static CipherShares &GetInstance() { 41 static CipherShares instance; 42 return instance; 43 } 44 45 // handle the client's request of share secrets. 46 bool ShareSecrets(const int cur_iterator, const schema::RequestShareSecrets *share_secrets_req, 47 const std::shared_ptr<fl::server::FBBuilder> &share_secrets_resp_builder, 48 const string next_req_time); 49 // handle the client's request of get secrets. 50 bool GetSecrets(const schema::GetShareSecrets *get_secrets_req, 51 const std::shared_ptr<fl::server::FBBuilder> &get_secrets_resp_builder, 52 const std::string &next_req_time); 53 54 // build response code of share secrets. 55 void BuildShareSecretsRsp(const std::shared_ptr<fl::server::FBBuilder> &share_secrets_resp_builder, 56 const schema::ResponseCode retcode, const string &reason, const string &next_req_time, 57 const int iteration); 58 // build response code of get secrets. 59 void BuildGetSecretsRsp(const std::shared_ptr<fl::server::FBBuilder> &fbb, const schema::ResponseCode retcode, 60 const size_t iteration, const string &next_req_time, 61 const std::vector<flatbuffers::Offset<mindspore::schema::ClientShare>> *encrypted_shares); 62 // clear the shared memory. 63 void ClearShareSecrets(); 64 65 private: 66 CipherInit *cipher_init_; // the parameter of the secure aggregation 67 }; 68 } // namespace armour 69 } // namespace mindspore 70 71 #endif // MINDSPORE_CCSRC_ARMOUR_CIPHER_SHARES_H 72