public override TlsAuthentication GetAuthentication()
{
#if SUPPORT_RPK
if (_tlsKeyPair != null && _tlsKeyPair.CertType == CertificateType.RawPublicKey)
{
MyTlsAuthentication auth = new MyTlsAuthentication(mContext, _tlsKeyPair);
auth.TlsEventHandler += MyTlsEventHandler;
return(auth);
}
#endif
#if SUPPORT_TLS_CWT
if (_tlsKeyPair != null && _tlsKeyPair.CertType == CertificateType.CwtPublicKey)
{
MyTlsAuthentication auth = new MyTlsAuthentication(mContext, _tlsKeyPair, CwtTrustKeySet);
auth.TlsEventHandler += MyTlsEventHandler;
return(auth);
}
#endif
if (_tlsKeyPair != null && _tlsKeyPair.CertType == CertificateType.X509)
{
MyTlsAuthentication auth = new MyTlsAuthentication(mContext, _tlsKeyPair);
auth.TlsEventHandler += MyTlsEventHandler;
return(auth);
}
throw new CoAPException("ICE");
}
public override TlsAuthentication GetAuthentication()
{
MyTlsAuthentication auth = new MyTlsAuthentication(mContext, _rawPublicKey);
auth.TlsEventHandler += MyTlsEventHandler;
return(auth);
}
bool TryConnect(string hostname, System.Net.IPAddress ip, int port, int connectTimeout)
{
//EB.Debug.Log("Try connect {0}:{1}", ip, port);
if (_client.Client.AddressFamily != ip.AddressFamily)
{
_client.Close();
_client = new System.Net.Sockets.TcpClient(ip.AddressFamily);
_client.NoDelay = true;
}
var async = _client.BeginConnect(ip, port, null, null);
if (!async.AsyncWaitHandle.WaitOne(System.TimeSpan.FromMilliseconds(connectTimeout)))
{
_error = NetworkFailure.TimedOut;
return(false);
}
if (!async.IsCompleted)
{
_error = NetworkFailure.TimedOut;
return(false);
}
_client.EndConnect(async);
if (_client.Connected == false)
{
EB.Debug.LogError("Failed to connect to {0}:{1}", ip, port);
_error = NetworkFailure.CannotConnectToHost;
return(false);
}
_net = _client.GetStream();
_stream = _net;
OnConnected();
if (_secure)
{
//EB.Debug.Log("Doing ssl connect {0}:{1}", ip, port);
try {
var random = new System.Random();
var bytes = new byte[20];
random.NextBytes(bytes);
#if BCWP71
var secureRandom = new SecureRandom(bytes);
#else
var secureRandom = SecureRandom.GetInstance("SHA1PRNG", false);
#endif
secureRandom.SetSeed(bytes);
_auth = new MyTlsAuthentication();
_tlsClient = new MyTlsClient(_auth);
#if BCWP71
_handler = new TlsProtocolHandler(_net, secureRandom);
#else
_handler = new TlsClientProtocol(_net, secureRandom);
#endif
_handler.Connect(_tlsClient);
_stream = _handler.Stream;
if (_stream == null)
{
EB.Debug.LogError("stream is null");
_error = NetworkFailure.SecureConnectionFailed;
return(false);
}
}
catch (System.Exception ex)
{
EB.Debug.LogError("ssl connect failed {0}\n{1}", ex.Message, ex.StackTrace);
_error = NetworkFailure.SecureConnectionFailed;
return(false);
}
}
//EB.Debug.Log("Connected to {0}:{1}", ip, port);
LastTime = System.DateTime.Now;
return(true);
}
