Program Listing for File evalkey.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
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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//==================================================================================

#ifndef LBCRYPTO_CRYPTO_KEY_EVALKEY_H
#define LBCRYPTO_CRYPTO_KEY_EVALKEY_H

#include "key/evalkey-fwd.h"
#include "key/key.h"

#include <memory>
#include <vector>
#include <string>

namespace lbcrypto {

template <class Element>
class EvalKeyImpl : public Key<Element> {
public:
    explicit EvalKeyImpl(CryptoContext<Element> cc = 0) : Key<Element>(cc) {}

    virtual ~EvalKeyImpl() {}

    virtual void SetAVector(const std::vector<Element>& a) {
        OPENFHE_THROW("SetAVector copy operation not supported");
    }

    virtual void SetAVector(std::vector<Element>&& a) {
        OPENFHE_THROW("SetAVector move operation not supported");
    }

    virtual const std::vector<Element>& GetAVector() const {
        OPENFHE_THROW("GetAVector operation not supported");
    }

    virtual void SetBVector(const std::vector<Element>& b) {
        OPENFHE_THROW("SetBVector copy operation not supported");
    }

    virtual void SetBVector(std::vector<Element>&& b) {
        OPENFHE_THROW("SetBVector move operation not supported");
    }

    virtual const std::vector<Element>& GetBVector() const {
        OPENFHE_THROW("GetBVector operation not supported");
    }

    virtual void SetA(const Element& a) {
        OPENFHE_THROW("SetA copy operation not supported");
    }

    virtual void SetA(Element&& a) {
        OPENFHE_THROW("SetA move operation not supported");
    }

    virtual const Element& GetA() const {
        OPENFHE_THROW("GetA operation not supported");
    }

    virtual void SetAinDCRT(const DCRTPoly& a) {
        OPENFHE_THROW("SetAinDCRT copy operation not supported");
    }

    virtual void SetAinDCRT(DCRTPoly&& a) {
        OPENFHE_THROW("SetAinDCRT move operation not supported");
    }

    virtual const DCRTPoly& GetAinDCRT() const {
        OPENFHE_THROW("GetAinDCRT operation not supported");
    }

    virtual void SetBinDCRT(const DCRTPoly& b) {
        OPENFHE_THROW("SetAinDCRT copy operation not supported");
    }

    virtual void SetBinDCRT(DCRTPoly&& b) {
        OPENFHE_THROW("SetAinDCRT move operation not supported");
    }

    virtual const DCRTPoly& GetBinDCRT() const {
        OPENFHE_THROW("GetAinDCRT operation not supported");
    }

    virtual void ClearKeys() {
        OPENFHE_THROW("ClearKeys operation is not supported");
    }

    friend bool operator==(const EvalKeyImpl& a, const EvalKeyImpl& b) {
        return a.key_compare(b);
    }

    friend bool operator!=(const EvalKeyImpl& a, EvalKeyImpl& b) {
        return !(a == b);
    }

    virtual bool key_compare(const EvalKeyImpl& other) const {
        return false;
    }

    template <class Archive>
    void save(Archive& ar, std::uint32_t const version) const {
        ar(::cereal::base_class<Key<Element>>(this));
    }

    template <class Archive>
    void load(Archive& ar, std::uint32_t const version) {
        ar(::cereal::base_class<Key<Element>>(this));
    }
    std::string SerializedObjectName() const {
        return "EvalKey";
    }
};

}  // namespace lbcrypto

#endif