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Various improvements.

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This commit is contained in:
Marcel Keller
2020-12-11 16:23:54 +11:00
parent 15d179a1d1
commit cdb8d6f337
235 changed files with 4452 additions and 1842 deletions
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52
Utils/paper-example.cpp
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@@ -7,33 +7,62 @@
#include "Math/gfp.hpp"
#include "Machines/SPDZ.hpp"
#include "Protocols/CowGearShare.h"
#include "Protocols/CowGearPrep.hpp"
template<class T>
void run(char** argv, int prime_length);
int main(int argc, char** argv)
{
typedef Share<gfp> T;
// bit length of prime
const int prime_length = 128;
// compute number of 64-bit words needed
const int n_limbs = (prime_length + 63) / 64;
// need player number and number of players
if (argc < 3)
{
cerr << "Usage: " << argv[0] << "<my number: 0/1/...> <total number of players>" << endl;
cerr << "Usage: " << argv[0] << "<my number: 0/1/...> <total number of players> [protocol]" << endl;
exit(1);
}
string protocol = "MASCOT";
if (argc > 3)
protocol = argv[3];
if (protocol == "MASCOT")
run<Share<gfp_<0, n_limbs>>>(argv, prime_length);
else if (protocol == "CowGear")
run<CowGearShare<gfp_<0, n_limbs>>>(argv, prime_length);
else if (protocol == "SPDZ2k")
run<Spdz2kShare<64, 64>>(argv, 0);
else
{
cerr << "Unknown protocol: " << protocol << endl;
exit(1);
}
}
template<class T>
void run(char** argv, int prime_length)
{
// set up networking on localhost
Names N;
Server::start_networking(N, atoi(argv[1]), atoi(argv[2]), "localhost", 9999);
int my_number = atoi(argv[1]);
int n_parties = atoi(argv[2]);
int port_base = 9999;
Server::start_networking(N, my_number, n_parties, "localhost", port_base);
CryptoPlayer P(N);
// initialize fields
gfp::init_default(128);
gfp1::init_default(128, false);
T::bit_type::mac_key_type::init_field();
T::clear::init_default(prime_length);
T::clear::next::init_default(prime_length, false);
// must initialize MAC key for security of some protocols
typename T::mac_key_type mac_key;
T::read_or_generate_mac_key("", P, mac_key);
typename T::bit_type::mac_key_type binary_mac_key;
T::bit_type::part_type::read_or_generate_mac_key("", P, binary_mac_key);
// global OT setup
BaseMachine machine;
@@ -43,7 +72,10 @@ int main(int argc, char** argv)
DataPositions usage;
usage.set_num_players(P.num_players());
// binary MAC check setup
// initialize binary computation
T::bit_type::mac_key_type::init_field();
typename T::bit_type::mac_key_type binary_mac_key;
T::bit_type::part_type::read_or_generate_mac_key("", P, binary_mac_key);
GC::ShareThread<typename T::bit_type> thread(N,
OnlineOptions::singleton, P, binary_mac_key, usage);
@@ -55,7 +87,7 @@ int main(int argc, char** argv)
SubProcessor<T> processor(output, preprocessing, P);
// input protocol
typename T::Input input(processor);
typename T::Input input(processor, output);
// multiplication protocol
typename T::Protocol protocol(P);