Program Listing for File cryptocontext-ser.h
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//==================================================================================
// BSD 2-Clause License
//
// Copyright (c) 2014-2022, NJIT, Duality Technologies Inc. and other contributors
//
// All rights reserved.
//
// Author TPOC: contact@openfhe.org
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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//==================================================================================
/*
serialize cryptocontext; include this in any app that needs to serialize them
*/
#ifndef LBCRYPTO_CRYPTO_CRYPTOCONTEXTSER_H
#define LBCRYPTO_CRYPTO_CRYPTOCONTEXTSER_H
#include "cryptocontext.h"
#include "utils/serial.h"
#include <map>
#include <memory>
#include <string>
#include <vector>
CEREAL_CLASS_VERSION(lbcrypto::CryptoContextImpl<lbcrypto::DCRTPoly>,
lbcrypto::CryptoContextImpl<lbcrypto::DCRTPoly>::SerializedVersion());
// the routines below are only instantiated if the user includes the appropriate
// serialize-*.h file
namespace lbcrypto {
// ================================= JSON serialization/deserialization
namespace Serial {
template <typename T>
void Deserialize(CryptoContext<T>& obj, std::istream& stream, const SerType::SERJSON&) {
CryptoContext<T> newob;
cereal::JSONInputArchive archive(stream);
archive(newob);
obj = CryptoContextFactory<T>::GetContext(newob->GetCryptoParameters(), newob->GetScheme(), newob->getSchemeId());
}
template <typename T>
bool SerializeToFile(const std::string& filename, const CryptoContext<T>& obj, const SerType::SERJSON& sertype) {
std::ofstream file(filename, std::ios::out | std::ios::binary);
if (file.is_open()) {
Serial::Serialize(obj, file, sertype);
file.close();
return true;
}
return false;
}
template <typename T>
bool DeserializeFromFile(const std::string& filename, CryptoContext<T>& obj, const SerType::SERJSON& sertype) {
std::ifstream file(filename, std::ios::in | std::ios::binary);
if (file.is_open()) {
Serial::Deserialize(obj, file, sertype);
file.close();
return true;
}
return false;
}
} // namespace Serial
template void Serial::Deserialize(std::shared_ptr<CryptoContextImpl<DCRTPoly>>& obj, std::istream& stream,
const SerType::SERJSON&);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalMultKey<SerType::SERJSON>(std::ostream& ser,
const SerType::SERJSON&,
std::string id);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalMultKey<SerType::SERJSON>(std::ostream& ser,
const SerType::SERJSON&,
const CryptoContext<DCRTPoly> cc);
template bool CryptoContextImpl<DCRTPoly>::DeserializeEvalMultKey<SerType::SERJSON>(std::istream& ser,
const SerType::SERJSON&);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalSumKey<SerType::SERJSON>(std::ostream& ser,
const SerType::SERJSON&,
std::string id);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalSumKey<SerType::SERJSON>(std::ostream& ser,
const SerType::SERJSON&,
const CryptoContext<DCRTPoly> cc);
template bool CryptoContextImpl<DCRTPoly>::DeserializeEvalSumKey<SerType::SERJSON>(std::istream& ser,
const SerType::SERJSON&);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalAutomorphismKey<SerType::SERJSON>(std::ostream& ser,
const SerType::SERJSON&,
std::string id);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalAutomorphismKey<SerType::SERJSON>(
std::ostream& ser, const SerType::SERJSON&, const CryptoContext<DCRTPoly> cc);
template bool CryptoContextImpl<DCRTPoly>::DeserializeEvalAutomorphismKey<SerType::SERJSON>(std::istream& ser,
const SerType::SERJSON&);
// ================================= BINARY serialization/deserialization
namespace Serial {
template <typename T>
void Deserialize(CryptoContext<T>& obj, std::istream& stream, const SerType::SERBINARY&) {
CryptoContext<T> newob;
cereal::PortableBinaryInputArchive archive(stream);
archive(newob);
obj = CryptoContextFactory<T>::GetContext(newob->GetCryptoParameters(), newob->GetScheme(), newob->getSchemeId());
}
template <typename T>
bool SerializeToFile(const std::string& filename, const CryptoContext<T>& obj, const SerType::SERBINARY& sertype) {
std::ofstream file(filename, std::ios::out | std::ios::binary);
if (file.is_open()) {
Serial::Serialize(obj, file, sertype);
file.close();
return true;
}
return false;
}
template <typename T>
bool DeserializeFromFile(const std::string& filename, CryptoContext<T>& obj, const SerType::SERBINARY& sertype) {
std::ifstream file(filename, std::ios::in | std::ios::binary);
if (file.is_open()) {
Serial::Deserialize(obj, file, sertype);
file.close();
return true;
}
return false;
}
} // namespace Serial
template void Serial::Deserialize(std::shared_ptr<CryptoContextImpl<DCRTPoly>>& obj, std::istream& stream,
const SerType::SERBINARY&);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalMultKey<SerType::SERBINARY>(std::ostream& ser,
const SerType::SERBINARY&,
std::string id);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalMultKey<SerType::SERBINARY>(std::ostream& ser,
const SerType::SERBINARY&,
const CryptoContext<DCRTPoly> cc);
template bool CryptoContextImpl<DCRTPoly>::DeserializeEvalMultKey<SerType::SERBINARY>(std::istream& ser,
const SerType::SERBINARY&);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalSumKey<SerType::SERBINARY>(std::ostream& ser,
const SerType::SERBINARY&,
std::string id);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalSumKey<SerType::SERBINARY>(std::ostream& ser,
const SerType::SERBINARY&,
const CryptoContext<DCRTPoly> cc);
template bool CryptoContextImpl<DCRTPoly>::DeserializeEvalSumKey<SerType::SERBINARY>(std::istream& ser,
const SerType::SERBINARY&);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalAutomorphismKey<SerType::SERBINARY>(std::ostream& ser,
const SerType::SERBINARY&,
std::string id);
template bool CryptoContextImpl<DCRTPoly>::SerializeEvalAutomorphismKey<SerType::SERBINARY>(
std::ostream& ser, const SerType::SERBINARY&, const CryptoContext<DCRTPoly> cc);
template bool CryptoContextImpl<DCRTPoly>::DeserializeEvalAutomorphismKey<SerType::SERBINARY>(
std::istream& ser, const SerType::SERBINARY&);
} // namespace lbcrypto
#endif