private void HandleServerKeyExchange(ReadableBuffer messageBuffer)
{
HandshakeHash.HashData(messageBuffer);
var parser = new ServerKeyExchangeParser(messageBuffer);
_signatureScheme = parser.SignatureScheme;
_certificate.CheckSignature(_cryptoProvider.HashProvider, _signatureScheme, parser.Signature, parser.Data);
KeyExchange.SetPeerKey(parser.Key, _certificate, _signatureScheme);
}
private Span<byte> HandleClientKeyExchange(ReadableBuffer messageBuffer)
{
var span = messageBuffer.ToSpan();
HandshakeHash.HashData(span);
span = span.Slice(HandshakeFraming.HeaderSize);
KeyExchange.SetPeerKey(new BigEndianAdvancingSpan(span), _certificate, _signatureScheme);
_secretSchedule.GenerateMasterSecret(dispose: true);
_state = HandshakeState.WaitingForChangeCipherSpec;
return span;
}
protected override void Dispose(bool disposing)
{
lock (this)
{
base.Dispose(disposing);
KeyExchange?.Dispose();
KeyExchange = null;
_secretSchedule?.Dispose();
_secretSchedule = null;
}
}
/// <summary>
/// Finalize the key exchange, preparing the CipherSuite for actual use.
/// </summary>
/// <param name="peer_pk">Our peer's private key/key exchange information.</param>
/// <returns>The raw shared secret.</returns>
public byte[] FinalizeKeyExchange(byte[] peer_pk)
{
var shared = KeyExchange.FinalizeKeyExchange(peer_pk);
HKDFAdditionalInfo = string.Format(HKDFAdditionalInfo, Cipher.HumanName, KeyExchange.HumanName);
Cipher.Initialize(CalculateHKDF(shared, Cipher.SecretBytes));
MAC.Initialize(CalculateHKDF(shared, MAC.SecretBytes));
return(shared);
}
private void HandleServerCertificate(ReadableBuffer messageBuffer)
{
HandshakeHash.HashData(messageBuffer);
_certificate = Connection.Listener.CertificateList.CheckCertificate(messageBuffer);
KeyExchange.SetCertificate(_certificate);
if (KeyExchange.RequiresServerKeyExchange)
{
_state = HandshakeState.WaitingForServerKeyExchange;
}
else
{
_state = HandshakeState.WaitingForServerHelloDone;
}
}
public NetworkManager()
{
this.keyExchange = new KeyExchange();
this.keyExchange.InitClient();
this.worldServers = new List <ServerInfo>();
this.pendingFragments = new ConcurrentDictionary <uint, FragmentedPacket>();
this.packetQueue = new ConcurrentQueue <PacketQueueEntry>();
this.packetReady = new AutoResetEvent(false);
this.networkThread = new Thread(NetworkThreadStart);
this.World = "Disconnected";
Instance = this;
}
public KeyExchangeResponse DoKeyExchange()
{
KeyExchangeResponse response = null;
lock (this)
{
if (Connect())
{
Console.WriteLine("connect");
KeyExchange keMsg = new KeyExchange(_transactionID);
new PANE.ERRORLOG.Error().LogInfo("About to send key Exchange Message: " + keMsg.ToString());
Trx.Messaging.Message responseMessage = ProcessRequest(keMsg);
response = new KeyExchangeResponse(responseMessage);
new PANE.ERRORLOG.Error().LogInfo("Recieved Exchange Message: " + responseMessage.ToString());
response.TransactionID = _transactionID;
}
else
{
Console.WriteLine("not connected");
}
}
return(response);
}
public TlsServerKeyExchange(KeyExchange keyExchange)
: base(HandshakeType.ServerKeyExchange)
{
KeyExchange = keyExchange;
}
public TlsServerKeyExchange(TlsContext context, TlsBuffer incoming)
: base(HandshakeType.ServerKeyExchange)
{
KeyExchange = KeyExchange.Create(context.NegotiatedProtocol, context.Session.PendingCrypto.Cipher.ExchangeAlgorithmType);
Read(incoming);
}
public TlsClientKeyExchange(KeyExchange keyExchange)
: base(HandshakeType.ClientKeyExchange)
{
KeyExchange = keyExchange;
}
public TlsClientKeyExchange(TlsContext context, TlsBuffer incoming)
: base(HandshakeType.ClientKeyExchange)
{
KeyExchange = KeyExchange.Create(context.Session.PendingCrypto.Cipher.ExchangeAlgorithmType);
Read(incoming);
}
public TlsServerKeyExchange (KeyExchange keyExchange)
: base (HandshakeType.ServerKeyExchange)
{
KeyExchange = keyExchange;
}
public void Initialize()
{
KeyExchange.Initialize();
}
public byte[] GetKeyExchangeData()
{
return(KeyExchange.GetPublicKey());
}
public TlsClientKeyExchange (KeyExchange keyExchange)
: base (HandshakeType.ClientKeyExchange)
{
KeyExchange = keyExchange;
}