Program Listing for File ckksrns-advancedshe.h

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#ifndef LBCRYPTO_CRYPTO_CKKSRNS_ADVANCEDSHE_H
#define LBCRYPTO_CRYPTO_CKKSRNS_ADVANCEDSHE_H

#include "schemerns/rns-advancedshe.h"

#include <vector>
#include <string>

namespace lbcrypto {

class AdvancedSHECKKSRNS : public AdvancedSHERNS {
public:
    virtual ~AdvancedSHECKKSRNS() {}

    //------------------------------------------------------------------------------
    // LINEAR WEIGHTED SUM
    //------------------------------------------------------------------------------

    Ciphertext<DCRTPoly> EvalLinearWSum(std::vector<ConstCiphertext<DCRTPoly>>& ciphertexts,
                                        const std::vector<double>& constants) const override;

    Ciphertext<DCRTPoly> EvalLinearWSumMutable(std::vector<Ciphertext<DCRTPoly>>& ciphertexts,
                                               const std::vector<double>& constants) const override;

    //------------------------------------------------------------------------------
    // EVAL POLYNOMIAL
    //------------------------------------------------------------------------------

    Ciphertext<DCRTPoly> EvalPoly(ConstCiphertext<DCRTPoly> ciphertext,
                                  const std::vector<double>& coefficients) const override;

    Ciphertext<DCRTPoly> EvalPolyLinear(ConstCiphertext<DCRTPoly> x,
                                        const std::vector<double>& coefficients) const override;

    Ciphertext<DCRTPoly> InnerEvalPolyPS(ConstCiphertext<DCRTPoly> x, const std::vector<double>& coefficients,
                                         uint32_t k, uint32_t m, std::vector<Ciphertext<DCRTPoly>>& powers,
                                         std::vector<Ciphertext<DCRTPoly>>& powers2) const;

    Ciphertext<DCRTPoly> EvalPolyPS(ConstCiphertext<DCRTPoly> x,
                                    const std::vector<double>& coefficients) const override;

    //------------------------------------------------------------------------------
    // EVAL CHEBYSHEV SERIES
    //------------------------------------------------------------------------------

    Ciphertext<DCRTPoly> EvalChebyshevSeries(ConstCiphertext<DCRTPoly> ciphertext,
                                             const std::vector<double>& coefficients, double a,
                                             double b) const override;

    Ciphertext<DCRTPoly> EvalChebyshevSeriesLinear(ConstCiphertext<DCRTPoly> ciphertext,
                                                   const std::vector<double>& coefficients, double a,
                                                   double b) const override;

    Ciphertext<DCRTPoly> InnerEvalChebyshevPS(ConstCiphertext<DCRTPoly> x, const std::vector<double>& coefficients,
                                              uint32_t k, uint32_t m, std::vector<Ciphertext<DCRTPoly>>& T,
                                              std::vector<Ciphertext<DCRTPoly>>& T2) const;

    Ciphertext<DCRTPoly> EvalChebyshevSeriesPS(ConstCiphertext<DCRTPoly> ciphertext,
                                               const std::vector<double>& coefficients, double a,
                                               double b) const override;

    //------------------------------------------------------------------------------
    // EVAL LINEAR TRANSFORMATION
    //------------------------------------------------------------------------------

    //------------------------------------------------------------------------------
    // SERIALIZATION
    //------------------------------------------------------------------------------

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

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

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

}  // namespace lbcrypto

#endif