private async static Task HandleDeviceNegotiations(InformationContext iCtx, WebSocketContext wsCtx, WebSocket socket, byte[] binaryMessage, string textMessage)
{
bool playBob = false;
INegotiationProtocolMember protocolParty = null;
if (binaryMessage != null)
{
iCtx.AccessLockedItems(dict =>
{
if (dict.ContainsKey("EKENEGOTIATIONPARTY") == false)
{
TheBallEKE protocolInstance = new TheBallEKE();
protocolInstance.InitiateCurrentSymmetricFromSecret("testsecretXYZ33");
if (playBob)
{
protocolParty = new TheBallEKE.EKEBob(protocolInstance, true);
}
else
{
protocolParty = new TheBallEKE.EKEAlice(protocolInstance, true);
}
dict.Add("EKENEGOTIATIONPARTY", protocolParty);
}
else
{
protocolParty = (INegotiationProtocolMember)dict["EKENEGOTIATIONPARTY"];
}
});
if (protocolParty.SendMessageToOtherPartyAsync == null)
{
protocolParty.SendMessageToOtherPartyAsync = async bytes => { await SendBinaryMessage(socket, bytes); };
if (playBob) // if we play bob we put the current message already to the pipeline
{
protocolParty.LatestMessageFromOtherParty = binaryMessage;
}
}
else
{
// Alice plays first, so only after the second message we start putting messages from Bob
protocolParty.LatestMessageFromOtherParty = binaryMessage;
}
while (protocolParty.IsDoneWithProtocol == false && protocolParty.WaitForOtherParty == false)
{
await protocolParty.PerformNextActionAsync();
}
}
else
{
iCtx.AccessLockedItems(dict =>
{
if (dict.ContainsKey("EKENEGOTIATIONPARTY"))
{
protocolParty = (INegotiationProtocolMember)dict["EKENEGOTIATIONPARTY"];
}
});
if (protocolParty != null && protocolParty.IsDoneWithProtocol) // Perform POST EKE operations
{
iCtx.AccessLockedItems(dict => dict.Remove("EKENEGOTIATIONPARTY"));
FinishDeviceNegotiation(iCtx, protocolParty, textMessage);
}
//await SendTextMessage(socket, echoString);
}
}
