Exemple #1
0
        internal TlsSessionImpl(byte[] sessionID, SessionParameters sessionParameters)
        {
            if (sessionID == null)
            {
                throw new ArgumentNullException("sessionID");
            }
            if (sessionID.Length < 1 || sessionID.Length > 32)
            {
                throw new ArgumentException("must have length between 1 and 32 bytes, inclusive", "sessionID");
            }

            this.mSessionID         = Arrays.Clone(sessionID);
            this.mSessionParameters = sessionParameters;
        }
Exemple #2
0
        /**
         * Initiates a TLS handshake in the role of client.<br/>
         * <br/>
         * In blocking mode, this will not return until the handshake is complete.
         * In non-blocking mode, use {@link TlsPeer#NotifyHandshakeComplete()} to
         * receive a callback when the handshake is complete.
         *
         * @param tlsClient The {@link TlsClient} to use for the handshake.
         * @throws IOException If in blocking mode and handshake was not successful.
         */
        public virtual void Connect(TlsClient tlsClient)
        {
            if (tlsClient == null)
            {
                throw new ArgumentNullException("tlsClient");
            }
            if (this.mTlsClient != null)
            {
                throw new InvalidOperationException("'Connect' can only be called once");
            }

            this.mTlsClient = tlsClient;

            this.mSecurityParameters        = new SecurityParameters();
            this.mSecurityParameters.entity = ConnectionEnd.client;

            this.mTlsClientContext = new TlsClientContextImpl(mSecureRandom, mSecurityParameters);

            this.mSecurityParameters.clientRandom = CreateRandomBlock(tlsClient.ShouldUseGmtUnixTime(),
                                                                      mTlsClientContext.NonceRandomGenerator);

            this.mTlsClient.Init(mTlsClientContext);
            this.mRecordStream.Init(mTlsClientContext);

            TlsSession sessionToResume = tlsClient.GetSessionToResume();

            if (sessionToResume != null && sessionToResume.IsResumable)
            {
                SessionParameters sessionParameters = sessionToResume.ExportSessionParameters();
                if (sessionParameters != null)
                {
                    this.mTlsSession        = sessionToResume;
                    this.mSessionParameters = sessionParameters;
                }
            }

            SendClientHelloMessage();
            this.mConnectionState = CS_CLIENT_HELLO;

            BlockForHandshake();
        }
Exemple #3
0
        public virtual DtlsTransport Connect(TlsClient client, DatagramTransport transport)
        {
            if (client == null)
            {
                throw new ArgumentNullException("client");
            }
            if (transport == null)
            {
                throw new ArgumentNullException("transport");
            }

            SecurityParameters securityParameters = new SecurityParameters();

            securityParameters.entity = ConnectionEnd.client;

            ClientHandshakeState state = new ClientHandshakeState();

            state.client        = client;
            state.clientContext = new TlsClientContextImpl(mSecureRandom, securityParameters);

            securityParameters.clientRandom = TlsProtocol.CreateRandomBlock(client.ShouldUseGmtUnixTime(),
                                                                            state.clientContext.NonceRandomGenerator);

            client.Init(state.clientContext);

            DtlsRecordLayer recordLayer = new DtlsRecordLayer(transport, state.clientContext, client, ContentType.handshake);

            TlsSession sessionToResume = state.client.GetSessionToResume();

            if (sessionToResume != null && sessionToResume.IsResumable)
            {
                SessionParameters sessionParameters = sessionToResume.ExportSessionParameters();
                if (sessionParameters != null)
                {
                    state.tlsSession        = sessionToResume;
                    state.sessionParameters = sessionParameters;
                }
            }

            try
            {
                return(ClientHandshake(state, recordLayer));
            }
            catch (TlsFatalAlert fatalAlert)
            {
                AbortClientHandshake(state, recordLayer, fatalAlert.AlertDescription);
                throw fatalAlert;
            }
            catch (IOException e)
            {
                AbortClientHandshake(state, recordLayer, AlertDescription.internal_error);
                throw e;
            }
            catch (Exception e)
            {
                AbortClientHandshake(state, recordLayer, AlertDescription.internal_error);
                throw new TlsFatalAlert(AlertDescription.internal_error, e);
            }
            finally
            {
                securityParameters.Clear();
            }
        }