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Add 2pc specialization

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This commit is contained in:
Andrew Morris
2025-02-03 15:17:41 +11:00
parent 63ff747be4
commit a76bc3cb23
2 changed files with 51 additions and 6 deletions
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36
programs/jslib.cpp
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@@ -5,6 +5,7 @@
#include <cstring>
#include "emp-tool/io/i_raw_io.h"
#include "emp-ag2pc/2pc.h"
#include "emp-agmpc/mpc.h"
void run_2pc_impl(int party, int nP);
@@ -253,7 +254,40 @@ void run_2pc_impl(int party, int nP) {
throw std::runtime_error("Invalid party number");
}
throw std::runtime_error("TODO: 2PC specialization");
try {
int other_party = (party == 1) ? 2 : 1;
auto io = emp::IOChannel(std::make_shared<RawIOJS>(other_party, 'a'));
auto circuit = get_circuit();
std::vector<bool> input_bits = get_input_bits();
{
size_t circuit_input_count = (party == 1) ? circuit.n1 : circuit.n2;
if (input_bits.size() != circuit_input_count) {
throw std::runtime_error("Mismatch between circuit and inputBits");
}
}
for (int p = 0; p < 2; p++) {
size_t input_count = get_input_bits_per_party(p);
size_t circuit_input_count = (p == 0) ? circuit.n1 : circuit.n2;
if (input_count != circuit_input_count) {
throw std::runtime_error("Mismatch between circuit and inputBitsPerParty");
}
}
auto twopc = emp::C2PC(io, party, &circuit);
twopc.function_independent();
twopc.function_dependent();
std::vector<bool> output_bits = twopc.online(input_bits, true);
handle_output_bits(output_bits);
} catch (const std::exception& e) {
handle_error(e.what());
}
}
void run_mpc_impl(int party, int nP) {