Context.hpp

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//                                                                            //
// Copyright (C) 2021-2023 Crypto Lab Inc.                                    //
//                                                                            //
// - This file is part of HEaaN homomorphic encryption library.               //
// - HEaaN cannot be copied and/or distributed without the express permission //
//  of Crypto Lab Inc.                                                        //
//                                                                            //
 
#pragma once
 
#include <memory>
#include <string>
#include <vector>
 
#include "HEaaN/Integers.hpp"
#include "HEaaN/ParameterPreset.hpp"
#include "HEaaN/SecurityLevel.hpp"
#include "HEaaN/device/Device.hpp"
#include "HEaaNExport.hpp"
#include "Real.hpp"
 
namespace HEaaN {
 
class ContextContent;
using Context = std::shared_ptr<ContextContent>;
 
HEAAN_API Context makeContext(const ParameterPreset &preset,
                              const CudaDeviceIds &cuda_device_ids = {});
 
HEAAN_API Context makeContext(const u64 log_dimension, const u64 chain_length,
                              const u64 bpsize, const u64 qpsize,
                              const u64 tpsize, const u64 gadget_rank,
                              const CudaDeviceIds &cuda_device_ids = {});
 
HEAAN_API Context makeContextFromFile(
    const std::string &filename, const CudaDeviceIds &cuda_device_ids = {});
 
HEAAN_API void saveContextToFile(const Context &context,
                                 const std::string &filename);
 
HEAAN_API u64 getLogFullSlots(const Context &context);
 
HEAAN_API u64 getEncryptionLevel(const Context &context);
 
HEAAN_API std::vector<Real> getDefaultScaleFactorList(const Context &context);
 
HEAAN_API std::vector<u64> getPrimeList(const Context &context);
 
HEAAN_API bool isBootstrappableParameter(const Context &context);
 
HEAAN_API bool isSparseSecretEncapsulationSupported(const Context &context);
 
HEAAN_API bool isExtendedBootstrapSupported(const Context &context);
 
HEAAN_API std::set<i64> getRotIndicesForBootstrap(const Context &context,
                                                  u64 log_slots);
 
HEAAN_API SecurityLevel getSecurityLevel(const Context &context);
 
} // namespace HEaaN