Decryptor.hpp

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//                                                                            //
// Copyright (C) 2021-2023 Crypto Lab Inc.                                    //
//                                                                            //
// - This file is part of HEaaN homomorphic encryption library.               //
// - HEaaN cannot be copied and/or distributed without the express permission //
//  of Crypto Lab Inc.                                                        //
//                                                                            //
 
#pragma once
 
#include "HEaaN/Context.hpp"
#include "HEaaN/HEaaNExport.hpp"
 
namespace HEaaN {
 
class SecretKey;
class Message;
class Ciphertext;
class Plaintext;
 
class HEAAN_API Decryptor {
public:
    explicit Decryptor(const Context &context);
 
    void decrypt(const Ciphertext &ctxt, const SecretKey &sk,
                 Message &msg) const;
 
    void decrypt(const Ciphertext &ctxt, const SecretKey &sk,
                 Plaintext &ptxt) const;
 
    void partialDecrypt(const Ciphertext &ctxt, const SecretKey &sk,
                        Ciphertext &ctxt_out) const;
 
private:
    const Context context_;
};
} // namespace HEaaN