Program Listing for File bfvrns-leveledshe.h
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//==================================================================================
// BSD 2-Clause License
//
// Copyright (c) 2014-2022, NJIT, Duality Technologies Inc. and other contributors
//
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//
// Author TPOC: contact@openfhe.org
//
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// 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.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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//==================================================================================
#ifndef LBCRYPTO_CRYPTO_BFVRNS_LEVELEDSHE_H
#define LBCRYPTO_CRYPTO_BFVRNS_LEVELEDSHE_H
#include "schemerns/rns-leveledshe.h"
#include <string>
#include <map>
#include <memory>
#include <vector>
namespace lbcrypto {
class LeveledSHEBFVRNS : public LeveledSHERNS {
public:
virtual ~LeveledSHEBFVRNS() {}
using LeveledSHERNS::EvalAddInPlace;
void EvalAddInPlace(Ciphertext<DCRTPoly>& ciphertext, ConstPlaintext plaintext) const override;
using LeveledSHERNS::EvalSubInPlace;
void EvalSubInPlace(Ciphertext<DCRTPoly>& ciphertext, ConstPlaintext plaintext) const override;
using LeveledSHERNS::EvalMult;
using LeveledSHERNS::EvalMultInPlace;
using LeveledSHERNS::EvalSquare;
using LeveledSHERNS::EvalSquareInPlace;
Ciphertext<DCRTPoly> EvalMult(ConstCiphertext<DCRTPoly> ciphertext1,
ConstCiphertext<DCRTPoly> ciphertext2) const override;
Ciphertext<DCRTPoly> EvalSquare(ConstCiphertext<DCRTPoly> ciphertext) const override;
Ciphertext<DCRTPoly> EvalMult(ConstCiphertext<DCRTPoly> ciphertext1, ConstCiphertext<DCRTPoly> ciphertext2,
const EvalKey<DCRTPoly> evalKey) const override;
void EvalMultInPlace(Ciphertext<DCRTPoly>& ciphertext1, ConstCiphertext<DCRTPoly> ciphertext2,
const EvalKey<DCRTPoly> evalKey) const override;
Ciphertext<DCRTPoly> EvalSquare(ConstCiphertext<DCRTPoly> ciphertext,
const EvalKey<DCRTPoly> evalKey) const override;
void EvalSquareInPlace(Ciphertext<DCRTPoly>& ciphertext1, const EvalKey<DCRTPoly> evalKey) const override;
void EvalMultCoreInPlace(Ciphertext<DCRTPoly>& ciphertext, const NativeInteger& constant) const;
// AUTOMORPHISM
Ciphertext<DCRTPoly> EvalAutomorphism(ConstCiphertext<DCRTPoly> ciphertext, usint i,
const std::map<usint, EvalKey<DCRTPoly>>& evalKeyMap,
CALLER_INFO_ARGS_HDR) const override;
Ciphertext<DCRTPoly> EvalFastRotation(ConstCiphertext<DCRTPoly> ciphertext, const usint index, const usint m,
const std::shared_ptr<std::vector<DCRTPoly>> digits) const override;
std::shared_ptr<std::vector<DCRTPoly>> EvalFastRotationPrecompute(
ConstCiphertext<DCRTPoly> ciphertext) const override;
usint FindAutomorphismIndex(usint index, usint m) const override;
Ciphertext<DCRTPoly> Compress(ConstCiphertext<DCRTPoly> ciphertext, size_t towersLeft) const override;
// SERIALIZATION
template <class Archive>
void save(Archive& ar) const {
ar(cereal::base_class<LeveledSHERNS>(this));
}
template <class Archive>
void load(Archive& ar) {
ar(cereal::base_class<LeveledSHERNS>(this));
}
std::string SerializedObjectName() const {
return "LeveledSHEBFVRNS";
}
private:
void RelinearizeCore(Ciphertext<DCRTPoly>& ciphertext, const EvalKey<DCRTPoly> evalKey) const;
};
} // namespace lbcrypto
#endif