Program Listing for File rgsw-acc-dm.h

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//==================================================================================
// BSD 2-Clause License
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// Copyright (c) 2014-2022, NJIT, Duality Technologies Inc. and other contributors
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#ifndef _RGSW_ACC_DM_H_
#define _RGSW_ACC_DM_H_

#include "rgsw-acc.h"

#include <memory>

namespace lbcrypto {

class RingGSWAccumulatorDM final : public RingGSWAccumulator {
public:
    RingGSWAccumulatorDM() = default;

    RingGSWACCKey KeyGenAcc(const std::shared_ptr<RingGSWCryptoParams>& params, const NativePoly& skNTT,
                            ConstLWEPrivateKey& LWEsk) const override;

    void EvalAcc(const std::shared_ptr<RingGSWCryptoParams>& params, ConstRingGSWACCKey& ek, RLWECiphertext& acc,
                 const NativeVector& a) const override;

private:
    RingGSWEvalKey KeyGenDM(const std::shared_ptr<RingGSWCryptoParams>& params, const NativePoly& skNTT,
                            LWEPlaintext m) const;

    void AddToAccDM(const std::shared_ptr<RingGSWCryptoParams>& params, ConstRingGSWEvalKey& ek,
                    RLWECiphertext& acc) const;
};

}  // namespace lbcrypto

#endif  // _RGSW_ACC_DM_H_