Program Listing for File base-multiparty.h
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//==================================================================================
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//
// Copyright (c) 2014-2022, NJIT, Duality Technologies Inc. and other contributors
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// Author TPOC: contact@openfhe.org
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//==================================================================================
#ifndef LBCRYPTO_CRYPTO_BASE_MULTIPARTY_H
#define LBCRYPTO_CRYPTO_BASE_MULTIPARTY_H
#include "ciphertext-fwd.h"
#include "cryptocontext-fwd.h"
#include "decrypt-result.h"
#include "key/evalkey-fwd.h"
#include "key/privatekey-fwd.h"
#include "key/publickey-fwd.h"
#include "scheme/ckksrns/ckksrns-cryptoparameters.h"
#include <map>
#include <memory>
#include <string>
#include <vector>
namespace lbcrypto {
template <class Element>
class KeyPair;
template <class Element>
class MultipartyBase {
using ParmType = typename Element::Params;
using IntType = typename Element::Integer;
using DugType = typename Element::DugType;
using DggType = typename Element::DggType;
using TugType = typename Element::TugType;
constexpr static std::string_view NOT_SUPPORTED_ERROR = "This function is not supported";
public:
virtual ~MultipartyBase() = default;
virtual KeyPair<Element> MultipartyKeyGen(CryptoContext<Element> cc,
const std::vector<PrivateKey<Element>>& privateKeyVec, bool makeSparse);
virtual KeyPair<Element> MultipartyKeyGen(CryptoContext<Element> cc, const PublicKey<Element> publicKey,
bool makeSparse, bool fresh);
virtual EvalKey<Element> MultiKeySwitchGen(const PrivateKey<Element> oldPrivateKey,
const PrivateKey<Element> newPrivateKey,
const EvalKey<Element> evalKey) const;
virtual std::shared_ptr<std::map<usint, EvalKey<Element>>> MultiEvalAutomorphismKeyGen(
const PrivateKey<Element> privateKey, const std::shared_ptr<std::map<usint, EvalKey<Element>>> evalKeyMap,
const std::vector<usint>& indexVec) const;
virtual std::shared_ptr<std::map<usint, EvalKey<Element>>> MultiEvalAtIndexKeyGen(
const PrivateKey<Element> privateKey, const std::shared_ptr<std::map<usint, EvalKey<Element>>> evalKeyMap,
const std::vector<int32_t>& indexVec) const;
virtual std::shared_ptr<std::map<usint, EvalKey<Element>>> MultiEvalSumKeyGen(
const PrivateKey<Element> privateKey,
const std::shared_ptr<std::map<usint, EvalKey<Element>>> evalKeyMap) const;
// MULTIPARTY PKE
virtual Ciphertext<Element> MultipartyDecryptMain(ConstCiphertext<Element> ciphertext,
const PrivateKey<Element> privateKey) const;
virtual Ciphertext<Element> MultipartyDecryptLead(ConstCiphertext<Element> ciphertext,
const PrivateKey<Element> privateKey) const;
virtual DecryptResult MultipartyDecryptFusion(const std::vector<Ciphertext<Element>>& ciphertextVec,
NativePoly* plaintext) const;
virtual DecryptResult MultipartyDecryptFusion(const std::vector<Ciphertext<Element>>& ciphertextVec,
Poly* plaintext) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual PublicKey<Element> MultiAddPubKeys(PublicKey<Element> publicKey1, PublicKey<Element> publicKey2) const;
virtual EvalKey<Element> MultiAddEvalKeys(EvalKey<Element> evalKey1, EvalKey<Element> evalKey2) const;
virtual EvalKey<Element> MultiAddEvalMultKeys(EvalKey<Element> evalKey1, EvalKey<Element> evalKey2) const;
virtual EvalKey<Element> MultiMultEvalKey(PrivateKey<Element> privateKey, EvalKey<Element> evalKey) const;
virtual std::shared_ptr<std::map<usint, EvalKey<Element>>> MultiAddEvalAutomorphismKeys(
const std::shared_ptr<std::map<usint, EvalKey<Element>>> evalKeyMap1,
const std::shared_ptr<std::map<usint, EvalKey<Element>>> evalKeyMap2) const;
virtual std::shared_ptr<std::map<usint, EvalKey<Element>>> MultiAddEvalSumKeys(
const std::shared_ptr<std::map<usint, EvalKey<Element>>> evalKeyMap1,
const std::shared_ptr<std::map<usint, EvalKey<Element>>> evalKeyMap2) const;
virtual Ciphertext<Element> IntBootAdjustScale(ConstCiphertext<Element> ciphertext) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual Ciphertext<Element> IntBootDecrypt(const PrivateKey<Element> privateKey,
ConstCiphertext<Element> ciphertext) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual Ciphertext<Element> IntBootEncrypt(const PublicKey<Element> publicKey,
ConstCiphertext<Element> ciphertext) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual Ciphertext<Element> IntBootAdd(ConstCiphertext<Element> ciphertext1,
ConstCiphertext<Element> ciphertext2) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual Ciphertext<Element> IntMPBootAdjustScale(ConstCiphertext<Element> ciphertext) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual Ciphertext<Element> IntMPBootRandomElementGen(std::shared_ptr<CryptoParametersCKKSRNS> params,
const PublicKey<Element> publicKey) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual Ciphertext<Element> IntMPBootRandomElementGen(std::shared_ptr<CryptoParametersCKKSRNS> params,
ConstCiphertext<Element>& ciphertext) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual std::vector<Ciphertext<Element>> IntMPBootDecrypt(const PrivateKey<Element> privateKey,
ConstCiphertext<Element> ciphertext,
ConstCiphertext<Element> a) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual std::vector<Ciphertext<Element>> IntMPBootAdd(
std::vector<std::vector<Ciphertext<Element>>>& sharesPairVec) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
virtual Ciphertext<Element> IntMPBootEncrypt(const PublicKey<Element> publicKey,
const std::vector<Ciphertext<Element>>& sharesPair,
ConstCiphertext<Element> a,
ConstCiphertext<Element> ciphertext) const {
OPENFHE_THROW(NOT_SUPPORTED_ERROR);
}
template <class Archive>
void save(Archive& ar, std::uint32_t const version) const {}
template <class Archive>
void load(Archive& ar, std::uint32_t const version) {}
std::string SerializedObjectName() const {
return "MultiPartyBase";
}
};
} // namespace lbcrypto
#endif