public void SimpleTest()
{
var request = Step1ClientHelper.GetRequest();
var publicKeyFingerPrint = RSAHelper.GetFingerprint(PublicKey);
var resPq = Step1ServerHelper.GetResponse(request.Nonce, publicKeyFingerPrint, out var p, out var q, out var serverNonce);
var reqDhParams = Step2ClientHelper.GetRequest(resPq, PublicKey, out var newNonceFromClient);
var serverDhParams = Step2ServerHelper.GetResponse(reqDhParams, PrivateKey, out var parameters, out var newNonceFromServer);
Assert.Equal(newNonceFromClient, newNonceFromServer);
var setClientDhParams = Step3ClientHelper.GetRequest((TServerDHParamsOk)serverDhParams, newNonceFromClient, out var clientAgree, out var serverTime);
var setClientDhParamsAnswer = Step3ServerHelper.GetResponse(setClientDhParams, newNonceFromClient, parameters, out var serverAgree, out var serverSalt);
Assert.Equal(serverAgree.ToByteArray(), clientAgree);
}
public void ValidateTest()
{
var paramsOk = new TServerDHParamsOk
{
EncryptedAnswerAsBinary = _encryptedData,
Nonce = _nonce,
ServerNonce = _serverNonce
};
var packageBuffer = Serializer.Serialize(paramsOk);
var packageData = packageBuffer.ToArray();
var completeDhExchange = new Step3CompleteDhExchange();
var oldResponse = completeDhExchange.ToBytes(_nonce, _serverNonce, _newNonce, _encryptedData);
var response = Step3ClientHelper.GetRequest(paramsOk, _newNonce, out var clientAgree, out var serviceTime);
}
protected override void ChannelRead0(IChannelHandlerContext ctx, IObject msg)
{
switch (msg)
{
case TResPQ resPq:
Guard.That(resPq.Nonce).IsItemsEquals(_nonce);
Log.Debug($"#{ClientSettings.ClientSession.SessionId}: TResPQ step complete");
var requestReqDhParams = Step2ClientHelper.GetRequest(resPq, ClientSettings.PublicKey, out _newNonce);
ctx.WriteAndFlushAsync(requestReqDhParams);
break;
case TServerDHParamsOk dhParamsOk:
Log.Debug($"#{ClientSettings.ClientSession.SessionId}: TServerDHParamsOk step complete");
var request = Step3ClientHelper.GetRequest(dhParamsOk, _newNonce, out _clientAgree, out var serverTime);
ClientSettings.ClientSession.TimeOffset = serverTime - (int)DateTimeOffset.Now.ToUnixTimeSeconds();
SessionWriter.Save(ClientSettings.ClientSession)
.ContinueWith(_ => ctx.WriteAndFlushAsync(request));
break;
case TDhGenOk dhGenOk:
Log.Debug($"#{ClientSettings.ClientSession.SessionId}: TDhGenOk step complete");
ClientSettings.ClientSession.AuthKey = new AuthKey(_clientAgree);
ClientSettings.ClientSession.ServerSalt = SaltHelper.ComputeSalt(_newNonce, dhGenOk.ServerNonce);
SessionWriter.Save(ClientSettings.ClientSession)
.ContinueWith(_ => ctx.FireUserEventTriggered(ESystemNotification.HandshakeComplete));
break;
case TServerDHParamsFail _:
case TDhGenRetry _:
case TDhGenFail _:
throw new NotSupportedException();
default:
ctx.FireChannelRead(msg);
break;
}
}
