private void runTest(
TestThreadFactory f, EvaluationStrategy evalStrategy, StorageStrategy storageStrategy)
throws Exception {
Level logLevel = Level.FINE;
Reporter.init(logLevel);
// Since SCAPI currently does not work with ports > 9999 we use fixed
// ports
// here instead of relying on ephemeral ports which are often > 9999.
List<Integer> ports = new ArrayList<Integer>(noOfParties);
for (int i = 1; i <= noOfParties; i++) {
ports.add(9000 + i);
}
Map<Integer, NetworkConfiguration> netConf =
TestConfiguration.getNetworkConfigurations(noOfParties, ports, logLevel);
Map<Integer, TestThreadConfiguration> conf = new HashMap<Integer, TestThreadConfiguration>();
for (int playerId : netConf.keySet()) {
TestThreadConfiguration ttc = new TestThreadConfiguration();
ttc.netConf = netConf.get(playerId);
// This fixes parameters, e.g., security parameter 80 is always
// used.
// To run tests with varying parameters, do as in the BGW case with
// different thresholds.
SpdzConfiguration spdzConf = new SpdzConfigurationFromProperties();
ttc.protocolSuiteConf = spdzConf;
boolean useSecureConnection = false; // No tests of secure
// connection
// here.
int noOfVMThreads = 3;
int noOfThreads = 3;
ProtocolSuite suite = SpdzProtocolSuite.getInstance(playerId);
ProtocolEvaluator evaluator = EvaluationStrategy.fromEnum(evalStrategy);
dk.alexandra.fresco.framework.sce.resources.storage.Storage storage = null;
switch (storageStrategy) {
case IN_MEMORY:
storage = inMemStore;
break;
case MYSQL:
storage = mySQLStore;
break;
}
ttc.sceConf =
new TestSCEConfiguration(
suite,
evaluator,
noOfThreads,
noOfVMThreads,
ttc.netConf,
storage,
useSecureConnection);
conf.put(playerId, ttc);
}
TestThreadRunner.run(f, conf);
}
@Override
public EvaluationStatus evaluate(int round, ResourcePool resourcePool, SCENetwork network) {
int players = resourcePool.getNoOfParties();
switch (round) {
case 0:
network.sendToAll(commitment.getCommitment());
network.expectInputFromAll();
break;
case 1:
List<BigInteger> commitments = network.receiveFromAll();
for (int i = 0; i < commitments.size(); i++) {
comms.put(i + 1, commitments.get(i));
}
if (players < 3) {
done = true;
} else {
broadcastDigest =
sendBroadcastValidation(
SpdzProtocolSuite.getInstance(resourcePool.getMyId())
.getMessageDigest(network.getThreadId()),
network,
commitments,
players);
network.expectInputFromAll();
}
break;
case 2:
boolean validated = receiveBroadcastValidation(network, broadcastDigest);
if (!validated) {
throw new MPCException("Broadcast of commitments was not validated. Abort protocol.");
}
done = true;
break;
default:
throw new MPCException("No further rounds.");
}
EvaluationStatus status = (done) ? EvaluationStatus.IS_DONE : EvaluationStatus.HAS_MORE_ROUNDS;
return status;
}
