Files
MP-SPDZ/Processor/Input.h
2025-05-30 13:35:02 +10:00

119 lines
3.3 KiB
C++

/*
* Input.h
*
*/
#ifndef PROCESSOR_INPUT_H_
#define PROCESSOR_INPUT_H_
#include <vector>
using namespace std;
#include "Tools/Buffer.h"
#include "Tools/time-func.h"
#include "Tools/PointerVector.h"
class ArithmeticProcessor;
template<class T> class SubProcessor;
template<class T> class Preprocessing;
/**
* Abstract base for input protocols
*/
template<class T>
class InputBase
{
typedef typename T::clear clear;
protected:
PlayerBase* P;
int my_num;
Buffer<typename T::clear, typename T::clear> buffer;
Timer timer;
// Send my inputs (not generally available)
virtual void send_mine() { throw runtime_error("implement send_mine()"); }
// Get share for next input of mine (not generally available)
virtual T finalize_mine()
{ throw runtime_error("implement finalize_mine()"); }
// Store share for next input from ``player`` from buffer ``o``
// in ``target`` (not generally available)
virtual void finalize_other(int, T&, octetStream&, int = -1)
{ throw not_implemented(); }
public:
vector<octetStream> os;
int values_input;
template<class U>
static void input(SubProcessor<T>& Proc, const vector<int>& args, int size);
static int get_player(SubProcessor<T>& Proc, int arg, bool player_from_arg);
static void input_mixed(SubProcessor<T>& Proc, const vector<int>& args,
int size, bool player_from_reg);
template<class U>
static void prepare(SubProcessor<T>& Proc, int player, const int* params, int size);
template<class U>
static void finalize(SubProcessor<T>& Proc, int player, const int* params, int size);
InputBase(ArithmeticProcessor* proc = 0);
InputBase(SubProcessor<T>* proc);
virtual ~InputBase();
bool virtual is_me(int player, int = -1);
/// Initialize input round for ``player``
virtual void reset(int player) = 0;
/// Initialize input round for all players
void reset_all(PlayerBase& P);
/// Schedule input from me
virtual void add_mine(const typename T::open_type& input, int n_bits = -1) = 0;
/// Schedule input from other player
virtual void add_other(int player, int n_bits = -1) = 0;
/// Schedule input from all players
void add_from_all(const typename T::open_type& input, int n_bits = -1);
/// Run input protocol for all players
virtual void exchange();
/// Get share for next input from ``player``
virtual T finalize(int player, int n_bits = -1);
void raw_input(SubProcessor<T>& proc, const vector<int>& args, int size);
};
template<class T>
class Input : public InputBase<T>
{
typedef typename T::open_type open_type;
typedef typename T::clear clear;
typedef typename T::MAC_Check MAC_Check;
SubProcessor<T>* proc;
MAC_Check& MC;
Preprocessing<T>& prep;
Player& P;
vector< PointerVector<T> > shares;
open_type rr, t, xi;
public:
Input(SubProcessor<T>& proc);
Input(SubProcessor<T>& proc, MAC_Check& mc);
Input(SubProcessor<T>* proc, Player& P);
Input(MAC_Check& MC, Preprocessing<T>& prep, Player& P);
void reset(int player);
void add_mine(const open_type& input, int n_bits = -1);
void add_other(int player, int n_bits = -1);
void send_mine();
T finalize_mine();
void finalize_other(int player, T& target, octetStream& o, int n_bits = -1);
};
#endif /* PROCESSOR_INPUT_H_ */