Program Listing for File lwe-publickey.h

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//==================================================================================
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// Copyright (c) 2014-2022, NJIT, Duality Technologies Inc. and other contributors
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#ifndef _LWE_PUBLICKEY_H_
#define _LWE_PUBLICKEY_H_

#include "lwe-publickey-fwd.h"
#include "math/math-hal.h"
#include "utils/serializable.h"

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

namespace lbcrypto {
class LWEPublicKeyImpl : public Serializable {
public:
    LWEPublicKeyImpl() = default;

    explicit LWEPublicKeyImpl(const std::vector<NativeVector>& A, const NativeVector& v) : m_A(A), m_v(v) {}

    LWEPublicKeyImpl(LWEPublicKeyImpl&& rhs) noexcept : m_A(std::move(rhs.m_A)), m_v(std::move(rhs.m_v)) {}

    LWEPublicKeyImpl(const LWEPublicKeyImpl& rhs) : m_A(rhs.m_A), m_v(rhs.m_v) {}

    LWEPublicKeyImpl& operator=(const LWEPublicKeyImpl& rhs) {
        this->m_A = rhs.m_A;
        this->m_v = rhs.m_v;
        return *this;
    }

    LWEPublicKeyImpl& operator=(LWEPublicKeyImpl&& rhs) noexcept {
        this->m_A = std::move(rhs.m_A);
        this->m_v = std::move(rhs.m_v);
        return *this;
    }

    const std::vector<NativeVector>& GetA() const {
        return m_A;
    }

    const NativeVector& Getv() const {
        return m_v;
    }

    void SetA(const std::vector<NativeVector>& A) {
        m_A = A;
    }

    void Setv(const NativeVector& v) {
        m_v = v;
    }

    uint32_t GetLength() const {
        return m_v.GetLength();
    }

    const NativeInteger& GetModulus() const {
        return m_v.GetModulus();
    }

    bool operator==(const LWEPublicKeyImpl& other) const {
        return (m_A == other.m_A) && (m_v == other.m_v);
    }

    bool operator!=(const LWEPublicKeyImpl& other) const {
        return !(*this == other);
    }

    template <class Archive>
    void save(Archive& ar, std::uint32_t const version) const {
        ar(::cereal::make_nvp("A", m_A));
        ar(::cereal::make_nvp("v", m_v));
    }

    template <class Archive>
    void load(Archive& ar, std::uint32_t const version) {
        if (version > SerializedVersion()) {
            OPENFHE_THROW("serialized object version " + std::to_string(version) +
                          " is from a later version of the library");
        }

        ar(::cereal::make_nvp("A", m_A));
        ar(::cereal::make_nvp("v", m_v));
    }

    std::string SerializedObjectName() const override {
        return "LWEPublicKey";
    }
    static uint32_t SerializedVersion() {
        return 1;
    }

private:
    std::vector<NativeVector> m_A;
    NativeVector m_v;
};

}  // namespace lbcrypto

#endif  // _LWE_PUBLICKEY_H_