Beispiel #1
0
        private void HandleInitPartialHandshake(Packet packet)
        {
            if (this.CheckRunFlags(RunFlags.LocalHandshakeRequested))
            {
                this.AddRunFlag(RunFlags.IsBlocking);
                lock (this.p_Lock)
                {
                    this.WritePacketInternal(packet);
                    RSAHelper remotePubKey;
                    HandshakeHelper.ExchangePubKey(this.netStream, this.privRSA, out remotePubKey);
                    this.encryptor = new EncryptionProvider();
                    Packet sentPacket = HandshakeHelper.WriteEncryptor(remotePubKey, this.encryptor);
                    byte[] serializedEncryptorPacket = ToySerializer.Serialize(sentPacket);
                    this.writer.WriteLine(remotePubKey.EncryptToBase64String(serializedEncryptorPacket));
                    this.writer.Flush();

                    //Recreate output stream
                    this.outputStream = new CryptoStream(this.netStream, this.encryptor.Encryptor, CryptoStreamMode.Write);

                    int    size;
                    Packet remoteResponse = this.Read(out size);
                    if (remoteResponse == null)
                    {
                        base.LogCritical("Partial SessionKey renegotiation has failed for remote endpoint {0}, connection closed", this.socket.RemoteEndPoint);
                        this.Close();
                    }
                    else
                    {
                        this.WritePacketInternal(remoteResponse);
                        base.LogInformation("Partial SessionID renegotiation succeded for remote host {0}", this.socket.RemoteEndPoint);
                        this.lastHandshake = DateTime.Now;
                    }
                }
                this.RemoveRunFlag(RunFlags.LocalHandshakeRequested);
                this.RemoveRunFlag(RunFlags.IsBlocking);
            }
        }