Program Listing for File rns-pke.h

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#ifndef LBCRYPTO_CRYPTO_RNS_PKE_H
#define LBCRYPTO_CRYPTO_RNS_PKE_H

#include "lattice/lat-hal.h"

#include "schemebase/base-pke.h"

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

namespace lbcrypto {

class PKERNS : public PKEBase<DCRTPoly> {
    using ParmType = typename DCRTPoly::Params;
    using IntType  = typename DCRTPoly::Integer;
    using DugType  = typename DCRTPoly::DugType;
    using DggType  = typename DCRTPoly::DggType;
    using TugType  = typename DCRTPoly::TugType;

public:
    virtual ~PKERNS() {}

    Ciphertext<DCRTPoly> Encrypt(DCRTPoly plaintext, const PublicKey<DCRTPoly> publicKey) const override;

    Ciphertext<DCRTPoly> Encrypt(DCRTPoly plaintext, const PrivateKey<DCRTPoly> privateKey) const override;

    DecryptResult Decrypt(ConstCiphertext<DCRTPoly> ciphertext, const PrivateKey<DCRTPoly> privateKey,
                          NativePoly* plaintext) const override;

    DecryptResult Decrypt(ConstCiphertext<DCRTPoly> ciphertext, const PrivateKey<DCRTPoly> privateKey,
                          Poly* plaintext) const override;

    // CORE OPERATIONS

    std::shared_ptr<std::vector<DCRTPoly>> EncryptZeroCore(const PrivateKey<DCRTPoly> privateKey,
                                                           const std::shared_ptr<ParmType> params) const override;

    std::shared_ptr<std::vector<DCRTPoly>> EncryptZeroCore(const PublicKey<DCRTPoly> publicKey,
                                                           const std::shared_ptr<ParmType> params) const override;

    DCRTPoly DecryptCore(const std::vector<DCRTPoly>& cv, const PrivateKey<DCRTPoly> privateKey) const override;

    // SERIALIZATION

    template <class Archive>
    void save(Archive& ar) const {
        ar(cereal::base_class<PKEBase<DCRTPoly>>(this));
    }

    template <class Archive>
    void load(Archive& ar) {
        ar(cereal::base_class<PKEBase<DCRTPoly>>(this));
    }

    std::string SerializedObjectName() const {
        return "PKERNS";
    }
};

}  // namespace lbcrypto

#endif