/// <summary>
/// The VPN is two-way established.
/// <para>Note that SessionEstablished event is used, it is expected that processing will continue externally.
/// In this case the post-exchange symmetric cipher instances are not initialized internally,
/// and the Send and Receive methods will throw an error, i.e. you can use either the event or the internal processors.</para>
/// </summary>
///
/// <param name="PacketStream">A Stream containing the raw packet data</param>
private void ProcessEstablish(MemoryStream PacketStream)
{
// clear the auth processors
_srvSymProcessor.Dispose();
_cltSymProcessor.Dispose();
// initialize the Send/Receive encryption ciphers
_srvSymProcessor = SymmetricInit(_srvIdentity.Session, _srvKeyParams);
_cltSymProcessor = SymmetricInit(_cltIdentity.Session, _cltKeyParams);
// one or the other
if (SessionEstablished != null)
{
// app can continue processing out of class; must set the DestroyEngine flag to false in the constructor if this class is to be disposed
DtmEstablishedEventArgs args = new DtmEstablishedEventArgs(_clientSocket.Client, _srvSymProcessor, _cltSymProcessor, 0);
SessionEstablished(this, args);
}
_isEstablished = true;
}
/// <summary>
/// Fired when the session is fully established, the args contain the forward and return symmetric session keys
/// </summary>
private void OnSessionEstablished(object owner, DtmEstablishedEventArgs args)
{
Console.WriteLine(CON_TITLE + "The Server VPN state is UP");
}