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54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
/*
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* Setup.hpp
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*
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*/
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#ifndef MATH_SETUP_HPP_
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#define MATH_SETUP_HPP_
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#include "gfp.h"
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template<class T>
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void generate_online_setup(string dirname, bigint& p, int lgp)
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{
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int idx, m;
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SPDZ_Data_Setup_Primes(p, lgp, idx, m);
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write_online_setup(dirname, p);
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T::init_field(p);
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}
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template<class T = gfp>
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void read_setup(const string& dir_prefix, int lgp = -1)
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{
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bigint p;
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string filename = dir_prefix + "Params-Data";
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if (dir_prefix.compare("") == 0)
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filename = string(PREP_DIR "Params-Data");
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#ifdef DEBUG_FILES
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cerr << "loading params from: " << filename << endl;
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#endif
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ifstream inpf(filename.c_str());
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inpf >> p;
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if (inpf.fail())
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{
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if (lgp > 0)
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{
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if (OnlineOptions::singleton.verbose)
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cerr << "No modulus found in " << filename << ", generating "
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<< lgp << "-bit prime" << endl;
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T::init_default(lgp);
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}
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else
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throw file_error(filename.c_str());
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}
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else
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T::init_field(p);
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inpf.close();
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}
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#endif /* MATH_SETUP_HPP_ */
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