Java Code Examples for javax.net.ssl.SSLSession#getApplicationBufferSize()
The following examples show how to use
javax.net.ssl.SSLSession#getApplicationBufferSize() .
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Example 1
Source File: TLSWrapper.java From Openfire with Apache License 2.0 | 6 votes |
public TLSWrapper(ConnectionConfiguration configuration, boolean clientMode ) { try { final EncryptionArtifactFactory factory = new EncryptionArtifactFactory( configuration ); if ( clientMode ) { tlsEngine = factory.createClientModeSSLEngine(); } else { tlsEngine = factory .createServerModeSSLEngine(); } final SSLSession sslSession = tlsEngine.getSession(); netBuffSize = sslSession.getPacketBufferSize(); appBuffSize = sslSession.getApplicationBufferSize(); } catch ( NoSuchAlgorithmException | KeyManagementException | KeyStoreException | UnrecoverableKeyException ex ) { Log.error("TLSHandler startup problem. SSLContext initialisation failed.", ex ); } }
Example 2
Source File: AcceptLargeFragments.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 3
Source File: AcceptLargeFragments.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 4
Source File: AcceptLargeFragments.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 5
Source File: AcceptLargeFragments.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 6
Source File: AcceptLargeFragments.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 7
Source File: AcceptLargeFragments.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 8
Source File: AcceptLargeFragments.java From hottub with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 9
Source File: AcceptLargeFragments.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 10
Source File: AcceptLargeFragments.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 11
Source File: AcceptLargeFragments.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 12
Source File: AcceptLargeFragments.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 13
Source File: AcceptLargeFragments.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 14
Source File: AcceptLargeFragments.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
public static void main (String[] args) throws Exception { SSLContext context = SSLContext.getDefault(); // set the property before initialization SSLEngine. System.setProperty("jsse.SSLEngine.acceptLargeFragments", "true"); SSLEngine cliEngine = context.createSSLEngine(); cliEngine.setUseClientMode(true); SSLEngine srvEngine = context.createSSLEngine(); srvEngine.setUseClientMode(false); SSLSession cliSession = cliEngine.getSession(); SSLSession srvSession = srvEngine.getSession(); // check packet buffer sizes. if (cliSession.getPacketBufferSize() < 33049 || srvSession.getPacketBufferSize() < 33049) { throw new Exception("Don't accept large SSL/TLS fragments"); } // check application data buffer sizes. if (cliSession.getApplicationBufferSize() < 32768 || srvSession.getApplicationBufferSize() < 32768) { throw new Exception( "Don't accept large SSL/TLS application data "); } }
Example 15
Source File: SqueakSSL.java From trufflesqueak with MIT License | 4 votes |
private static int getBufferSize(final SqSSL ssl) { final SSLSession session = ssl.engine.getSession(); return ssl.engine.getUseClientMode() ? session.getApplicationBufferSize() : session.getPacketBufferSize(); }
Example 16
Source File: TestTLS12.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
public static void run() throws Exception { SSLEngine[][] enginesToTest = getSSLEnginesToTest(); for (SSLEngine[] engineToTest : enginesToTest) { SSLEngine clientSSLEngine = engineToTest[0]; SSLEngine serverSSLEngine = engineToTest[1]; // SSLEngine code based on RedhandshakeFinished.java boolean dataDone = false; ByteBuffer clientOut = null; ByteBuffer clientIn = null; ByteBuffer serverOut = null; ByteBuffer serverIn = null; ByteBuffer cTOs; ByteBuffer sTOc; SSLSession session = clientSSLEngine.getSession(); int appBufferMax = session.getApplicationBufferSize(); int netBufferMax = session.getPacketBufferSize(); clientIn = ByteBuffer.allocate(appBufferMax + 50); serverIn = ByteBuffer.allocate(appBufferMax + 50); cTOs = ByteBuffer.allocateDirect(netBufferMax); sTOc = ByteBuffer.allocateDirect(netBufferMax); clientOut = ByteBuffer.wrap( "Hi Server, I'm Client".getBytes()); serverOut = ByteBuffer.wrap( "Hello Client, I'm Server".getBytes()); SSLEngineResult clientResult; SSLEngineResult serverResult; while (!dataDone) { clientResult = clientSSLEngine.wrap(clientOut, cTOs); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.wrap(serverOut, sTOc); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.flip(); sTOc.flip(); if (enableDebug) { System.out.println("Client -> Network"); printTlsNetworkPacket("", cTOs); System.out.println(""); System.out.println("Server -> Network"); printTlsNetworkPacket("", sTOc); System.out.println(""); } clientResult = clientSSLEngine.unwrap(sTOc, clientIn); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.unwrap(cTOs, serverIn); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.compact(); sTOc.compact(); if (!dataDone && (clientOut.limit() == serverIn.position()) && (serverOut.limit() == clientIn.position())) { checkTransfer(serverOut, clientIn); checkTransfer(clientOut, serverIn); dataDone = true; } } } }
Example 17
Source File: TestTLS12.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
public static void run() throws Exception { SSLEngine[][] enginesToTest = getSSLEnginesToTest(); for (SSLEngine[] engineToTest : enginesToTest) { SSLEngine clientSSLEngine = engineToTest[0]; SSLEngine serverSSLEngine = engineToTest[1]; // SSLEngine code based on RedhandshakeFinished.java boolean dataDone = false; ByteBuffer clientOut = null; ByteBuffer clientIn = null; ByteBuffer serverOut = null; ByteBuffer serverIn = null; ByteBuffer cTOs; ByteBuffer sTOc; SSLSession session = clientSSLEngine.getSession(); int appBufferMax = session.getApplicationBufferSize(); int netBufferMax = session.getPacketBufferSize(); clientIn = ByteBuffer.allocate(appBufferMax + 50); serverIn = ByteBuffer.allocate(appBufferMax + 50); cTOs = ByteBuffer.allocateDirect(netBufferMax); sTOc = ByteBuffer.allocateDirect(netBufferMax); clientOut = ByteBuffer.wrap( "Hi Server, I'm Client".getBytes()); serverOut = ByteBuffer.wrap( "Hello Client, I'm Server".getBytes()); SSLEngineResult clientResult; SSLEngineResult serverResult; while (!dataDone) { clientResult = clientSSLEngine.wrap(clientOut, cTOs); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.wrap(serverOut, sTOc); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.flip(); sTOc.flip(); if (enableDebug) { System.out.println("Client -> Network"); printTlsNetworkPacket("", cTOs); System.out.println(""); System.out.println("Server -> Network"); printTlsNetworkPacket("", sTOc); System.out.println(""); } clientResult = clientSSLEngine.unwrap(sTOc, clientIn); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.unwrap(cTOs, serverIn); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.compact(); sTOc.compact(); if (!dataDone && (clientOut.limit() == serverIn.position()) && (serverOut.limit() == clientIn.position())) { checkTransfer(serverOut, clientIn); checkTransfer(clientOut, serverIn); dataDone = true; } } } }
Example 18
Source File: TlsCryptoSocket.java From vespa with Apache License 2.0 | 4 votes |
private HandshakeState processHandshakeState(HandshakeState state) throws IOException { try { switch (state) { case NOT_STARTED: log.fine(() -> "Initiating handshake"); sslEngine.beginHandshake(); break; case NEED_WRITE: channelWrite(); break; case NEED_READ: channelRead(); break; case NEED_WORK: if (authorizationResult == null) { PeerAuthorizerTrustManager.getAuthorizationResult(sslEngine) // only available during handshake .ifPresent(result -> { if (!result.succeeded()) { metrics.incrementPeerAuthorizationFailures(); } authorizationResult = result; }); } break; case COMPLETED: return HandshakeState.COMPLETED; default: throw unhandledStateException(state); } while (true) { log.fine(() -> "SSLEngine.getHandshakeStatus(): " + sslEngine.getHandshakeStatus()); switch (sslEngine.getHandshakeStatus()) { case NOT_HANDSHAKING: if (wrapBuffer.bytes() > 0) return HandshakeState.NEED_WRITE; sslEngine.setEnableSessionCreation(false); // disable renegotiation handshakeDummyBuffer = null; SSLSession session = sslEngine.getSession(); sessionApplicationBufferSize = session.getApplicationBufferSize(); sessionPacketBufferSize = session.getPacketBufferSize(); log.fine(() -> String.format("Handshake complete: protocol=%s, cipherSuite=%s", session.getProtocol(), session.getCipherSuite())); if (sslEngine.getUseClientMode()) { metrics.incrementClientTlsConnectionsEstablished(); } else { metrics.incrementServerTlsConnectionsEstablished(); } return HandshakeState.COMPLETED; case NEED_TASK: return HandshakeState.NEED_WORK; case NEED_UNWRAP: if (wrapBuffer.bytes() > 0) return HandshakeState.NEED_WRITE; if (!handshakeUnwrap()) return HandshakeState.NEED_READ; break; case NEED_WRAP: if (!handshakeWrap()) return HandshakeState.NEED_WRITE; break; default: throw new IllegalStateException("Unexpected handshake status: " + sslEngine.getHandshakeStatus()); } } } catch (SSLHandshakeException e) { // sslEngine.getDelegatedTask().run() and handshakeWrap() may throw SSLHandshakeException, potentially handshakeUnwrap() and sslEngine.beginHandshake() as well. if (authorizationResult == null || authorizationResult.succeeded()) { // don't include handshake failures due from PeerAuthorizerTrustManager metrics.incrementTlsCertificateVerificationFailures(); } throw e; } }
Example 19
Source File: TestTLS12.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
public static void run() throws Exception { SSLEngine[][] enginesToTest = getSSLEnginesToTest(); for (SSLEngine[] engineToTest : enginesToTest) { SSLEngine clientSSLEngine = engineToTest[0]; SSLEngine serverSSLEngine = engineToTest[1]; // SSLEngine code based on RedhandshakeFinished.java boolean dataDone = false; ByteBuffer clientOut = null; ByteBuffer clientIn = null; ByteBuffer serverOut = null; ByteBuffer serverIn = null; ByteBuffer cTOs; ByteBuffer sTOc; SSLSession session = clientSSLEngine.getSession(); int appBufferMax = session.getApplicationBufferSize(); int netBufferMax = session.getPacketBufferSize(); clientIn = ByteBuffer.allocate(appBufferMax + 50); serverIn = ByteBuffer.allocate(appBufferMax + 50); cTOs = ByteBuffer.allocateDirect(netBufferMax); sTOc = ByteBuffer.allocateDirect(netBufferMax); clientOut = ByteBuffer.wrap( "Hi Server, I'm Client".getBytes()); serverOut = ByteBuffer.wrap( "Hello Client, I'm Server".getBytes()); SSLEngineResult clientResult; SSLEngineResult serverResult; while (!dataDone) { clientResult = clientSSLEngine.wrap(clientOut, cTOs); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.wrap(serverOut, sTOc); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.flip(); sTOc.flip(); if (enableDebug) { System.out.println("Client -> Network"); printTlsNetworkPacket("", cTOs); System.out.println(""); System.out.println("Server -> Network"); printTlsNetworkPacket("", sTOc); System.out.println(""); } clientResult = clientSSLEngine.unwrap(sTOc, clientIn); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.unwrap(cTOs, serverIn); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.compact(); sTOc.compact(); if (!dataDone && (clientOut.limit() == serverIn.position()) && (serverOut.limit() == clientIn.position())) { checkTransfer(serverOut, clientIn); checkTransfer(clientOut, serverIn); dataDone = true; } } } }
Example 20
Source File: TestTLS12.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
public static void run() throws Exception { SSLEngine[][] enginesToTest = getSSLEnginesToTest(); for (SSLEngine[] engineToTest : enginesToTest) { SSLEngine clientSSLEngine = engineToTest[0]; SSLEngine serverSSLEngine = engineToTest[1]; // SSLEngine code based on RedhandshakeFinished.java boolean dataDone = false; ByteBuffer clientOut = null; ByteBuffer clientIn = null; ByteBuffer serverOut = null; ByteBuffer serverIn = null; ByteBuffer cTOs; ByteBuffer sTOc; SSLSession session = clientSSLEngine.getSession(); int appBufferMax = session.getApplicationBufferSize(); int netBufferMax = session.getPacketBufferSize(); clientIn = ByteBuffer.allocate(appBufferMax + 50); serverIn = ByteBuffer.allocate(appBufferMax + 50); cTOs = ByteBuffer.allocateDirect(netBufferMax); sTOc = ByteBuffer.allocateDirect(netBufferMax); clientOut = ByteBuffer.wrap( "Hi Server, I'm Client".getBytes()); serverOut = ByteBuffer.wrap( "Hello Client, I'm Server".getBytes()); SSLEngineResult clientResult; SSLEngineResult serverResult; while (!dataDone) { clientResult = clientSSLEngine.wrap(clientOut, cTOs); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.wrap(serverOut, sTOc); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.flip(); sTOc.flip(); if (enableDebug) { System.out.println("Client -> Network"); printTlsNetworkPacket("", cTOs); System.out.println(""); System.out.println("Server -> Network"); printTlsNetworkPacket("", sTOc); System.out.println(""); } clientResult = clientSSLEngine.unwrap(sTOc, clientIn); runDelegatedTasks(clientResult, clientSSLEngine); serverResult = serverSSLEngine.unwrap(cTOs, serverIn); runDelegatedTasks(serverResult, serverSSLEngine); cTOs.compact(); sTOc.compact(); if (!dataDone && (clientOut.limit() == serverIn.position()) && (serverOut.limit() == clientIn.position())) { checkTransfer(serverOut, clientIn); checkTransfer(clientOut, serverIn); dataDone = true; } } } }