private byte[][] RunObliviousTransferReceiverParty(BitArray selectionBits)
{
using (CryptoContext cryptoContext = CryptoContext.CreateDefault())
{
using (var session = TestNetworkSession.EstablishTwoParty())
{
ITwoChoicesObliviousTransferChannel baseOT = new StatelessTwoChoicesObliviousTransferChannel(new InsecureObliviousTransfer(), session.Channel);
ITwoChoicesCorrelatedObliviousTransferChannel obliviousTransfer = new TwoChoicesCorrelatedExtendedObliviousTransferChannel(baseOT, 8, cryptoContext);
return(obliviousTransfer.ReceiveAsync(selectionBits, selectionBits.Length, NumberOfMessageBytes).Result);
}
}
}
private Pair <byte[]>[] RunObliviousTransferSenderParty(byte[][] correlationStrings)
{
using (CryptoContext cryptoContext = CryptoContext.CreateDefault())
{
using (var session = TestNetworkSession.EstablishTwoParty())
{
ITwoChoicesObliviousTransferChannel baseOT = new StatelessTwoChoicesObliviousTransferChannel(new InsecureObliviousTransfer(), session.Channel);
ITwoChoicesCorrelatedObliviousTransferChannel obliviousTransfer = new TwoChoicesCorrelatedExtendedObliviousTransferChannel(baseOT, 8, cryptoContext);
return(obliviousTransfer.SendAsync(
correlationStrings, correlationStrings.Length, NumberOfMessageBytes).Result);
}
}
}
private Pair <Pair <byte[]>[]> RunResumedObliviousTransferSenderParty(byte[][] firstCorrelationStrings, byte[][] secondCorrelationStrings)
{
using (CryptoContext cryptoContext = CryptoContext.CreateDefault())
{
using (var session = TestNetworkSession.EstablishTwoParty())
{
ITwoChoicesObliviousTransferChannel baseOT = new StatelessTwoChoicesObliviousTransferChannel(new InsecureObliviousTransfer(), session.Channel);
ITwoChoicesCorrelatedObliviousTransferChannel obliviousTransfer = new TwoChoicesCorrelatedExtendedObliviousTransferChannel(baseOT, 8, cryptoContext);
Pair <byte[]>[] firstRoundResults = obliviousTransfer.SendAsync(
firstCorrelationStrings, firstCorrelationStrings.Length, NumberOfMessageBytes).Result;
Pair <byte[]>[] secondRoundResults = obliviousTransfer.SendAsync(
secondCorrelationStrings, secondCorrelationStrings.Length, NumberOfMessageBytes).Result;
return(new Pair <Pair <byte[]>[]>(firstRoundResults, secondRoundResults));
}
}
}
