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(); } }
public virtual DtlsTransport Accept(TlsServer server, DatagramTransport transport) { if (server == null) { throw new ArgumentNullException("server"); } if (transport == null) { throw new ArgumentNullException("transport"); } SecurityParameters securityParameters = new SecurityParameters(); securityParameters.entity = ConnectionEnd.server; ServerHandshakeState state = new ServerHandshakeState(); state.server = server; state.serverContext = new TlsServerContextImpl(mSecureRandom, securityParameters); securityParameters.serverRandom = TlsProtocol.CreateRandomBlock(server.ShouldUseGmtUnixTime(), state.serverContext.NonceRandomGenerator); server.Init(state.serverContext); DtlsRecordLayer recordLayer = new DtlsRecordLayer(transport, state.serverContext, server, ContentType.handshake); server.NotifyCloseHandle(recordLayer); // TODO Need to handle sending of HelloVerifyRequest without entering a full connection try { return(ServerHandshake(state, recordLayer)); } catch (TlsFatalAlert fatalAlert) { AbortServerHandshake(state, recordLayer, fatalAlert.AlertDescription); throw fatalAlert; } catch (IOException e) { AbortServerHandshake(state, recordLayer, AlertDescription.internal_error); throw e; } catch (Exception e) { AbortServerHandshake(state, recordLayer, AlertDescription.internal_error); throw new TlsFatalAlert(AlertDescription.internal_error, e); } finally { securityParameters.Clear(); } }
public virtual DtlsTransport Accept(TlsServer server, DatagramTransport transport) { if (server == null) throw new ArgumentNullException("server"); if (transport == null) throw new ArgumentNullException("transport"); SecurityParameters securityParameters = new SecurityParameters(); securityParameters.entity = ConnectionEnd.server; ServerHandshakeState state = new ServerHandshakeState(); state.server = server; state.serverContext = new TlsServerContextImpl(mSecureRandom, securityParameters); securityParameters.serverRandom = TlsProtocol.CreateRandomBlock(server.ShouldUseGmtUnixTime(), state.serverContext.NonceRandomGenerator); server.Init(state.serverContext); DtlsRecordLayer recordLayer = new DtlsRecordLayer(transport, state.serverContext, server, ContentType.handshake); // TODO Need to handle sending of HelloVerifyRequest without entering a full connection try { return ServerHandshake(state, recordLayer); } catch (TlsFatalAlert fatalAlert) { AbortServerHandshake(state, recordLayer, fatalAlert.AlertDescription); throw fatalAlert; } catch (IOException e) { AbortServerHandshake(state, recordLayer, AlertDescription.internal_error); throw e; } catch (Exception e) { AbortServerHandshake(state, recordLayer, AlertDescription.internal_error); throw new TlsFatalAlert(AlertDescription.internal_error, e); } finally { securityParameters.Clear(); } }
protected virtual void CleanupHandshake() { if (mExpectedVerifyData != null) { Arrays.Fill(mExpectedVerifyData, 0); mExpectedVerifyData = null; } mSecurityParameters.Clear(); mPeerCertificate = null; mOfferedCipherSuites = null; mOfferedCompressionMethods = null; mClientExtensions = null; mServerExtensions = null; mResumedSession = false; mReceivedChangeCipherSpec = false; mSecureRenegotiation = false; mAllowCertificateStatus = false; mExpectSessionTicket = false; }
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(); } }