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https://github.com/data61/MP-SPDZ.git
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59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/*
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* SemiPrep.cpp
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*
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*/
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#include "SemiPrep.h"
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#include "ThreadMaster.h"
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#include "OT/NPartyTripleGenerator.h"
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#include "OT/BitDiagonal.h"
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#include "Protocols/ReplicatedPrep.hpp"
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#include "Protocols/MAC_Check_Base.hpp"
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#include "OT/NPartyTripleGenerator.hpp"
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namespace GC
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{
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SemiPrep::SemiPrep(DataPositions& usage, Thread<SemiSecret>& thread) :
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BufferPrep<SemiSecret>(usage), thread(thread), triple_generator(0)
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{
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}
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void SemiPrep::set_protocol(Beaver<SemiSecret>& protocol)
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{
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(void) protocol;
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params.set_passive();
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triple_generator = new SemiSecret::TripleGenerator(
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thread.processor.machine.ot_setups.at(thread.thread_num).at(0),
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thread.master.N, thread.thread_num, thread.master.opts.batch_size,
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1, params, thread.P);
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triple_generator->multi_threaded = false;
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}
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void SemiPrep::buffer_triples()
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{
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assert(this->triple_generator);
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this->triple_generator->generatePlainTriples();
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for (auto& x : this->triple_generator->plainTriples)
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{
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this->triples.push_back({{x[0], x[1], x[2]}});
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}
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this->triple_generator->unlock();
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}
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SemiPrep::~SemiPrep()
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{
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if (triple_generator)
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delete triple_generator;
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}
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void SemiPrep::buffer_bits()
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{
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word r = thread.secure_prng.get_word();
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for (size_t i = 0; i < sizeof(word) * 8; i++)
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this->bits.push_back((r >> i) & 1);
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}
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} /* namespace GC */
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