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77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
/*
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* TemiPrep.h
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*
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*/
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#ifndef PROTOCOLS_TEMIPREP_H_
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#define PROTOCOLS_TEMIPREP_H_
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#include "ReplicatedPrep.h"
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#include "FHEOffline/TemiSetup.h"
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template<class T> class HemiMatrixPrep;
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template<class T>
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class TemiMultiplier
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{
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typedef typename T::clear::FD FD;
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vector<Ciphertext> multiplicands;
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Player& P;
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public:
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TemiMultiplier(Player& P);
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vector<Ciphertext>& get_multiplicands(
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vector<vector<Ciphertext>>& ciphertexts, const FHE_PK& pk);
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void add(Plaintext_<FD>& res, const Ciphertext& C, OT_ROLE role = BOTH,
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int n_summands = 1);
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int get_offset()
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{
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return 0;
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}
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};
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/**
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* Semi-honest triple generation with semi-homomorphic encryption
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*/
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template<class T>
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class TemiPrep : public HemiPrep<T>
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{
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friend class HemiMatrixPrep<T>;
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typedef typename T::clear::FD FD;
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static Lock lock;
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static TemiSetup<FD>* setup;
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vector<TemiMultiplier<T>*> multipliers;
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public:
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static const bool homomorphic = true;
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static void basic_setup(Player& P);
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static void teardown();
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static const FD& get_FTD();
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static const FHE_PK& get_pk();
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static const TemiSetup<FD>& get_setup();
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TemiPrep(SubProcessor<T>* proc, DataPositions& usage) :
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BufferPrep<T>(usage),
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BitPrep<T>(proc, usage), RingPrep<T>(proc, usage),
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HemiPrep<T>(proc, usage)
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{
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}
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~TemiPrep();
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void buffer_triples();
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vector<TemiMultiplier<T>*>& get_multipliers();
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};
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#endif /* PROTOCOLS_TEMIPREP_H_ */
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