/**
* Create a new client mode SSL engine, configured from an option map.
*
* @param sslContext the SSL context
* @param optionMap the SSL options
* @param peerAddress the peer address of the connection
* @return the configured SSL engine
*/
public static SSLEngine createSSLEngine(
SSLContext sslContext, OptionMap optionMap, InetSocketAddress peerAddress) {
final SSLEngine engine =
sslContext.createSSLEngine(
optionMap.get(Options.SSL_PEER_HOST_NAME, getHostNameNoResolve(peerAddress)),
optionMap.get(Options.SSL_PEER_PORT, peerAddress.getPort()));
engine.setUseClientMode(true);
engine.setEnableSessionCreation(optionMap.get(Options.SSL_ENABLE_SESSION_CREATION, true));
final Sequence<String> cipherSuites = optionMap.get(Options.SSL_ENABLED_CIPHER_SUITES);
if (cipherSuites != null) {
final Set<String> supported =
new HashSet<String>(Arrays.asList(engine.getSupportedCipherSuites()));
final List<String> finalList = new ArrayList<String>();
for (String name : cipherSuites) {
if (supported.contains(name)) {
finalList.add(name);
}
}
engine.setEnabledCipherSuites(finalList.toArray(new String[finalList.size()]));
}
final Sequence<String> protocols = optionMap.get(Options.SSL_ENABLED_PROTOCOLS);
if (protocols != null) {
final Set<String> supported =
new HashSet<String>(Arrays.asList(engine.getSupportedProtocols()));
final List<String> finalList = new ArrayList<String>();
for (String name : protocols) {
if (supported.contains(name)) {
finalList.add(name);
}
}
engine.setEnabledProtocols(finalList.toArray(new String[finalList.size()]));
}
return engine;
}
public SSLSocketChannelWrapper(SSLContext sslContext, SocketChannel sc, boolean client)
throws Exception {
super(sc);
sslEngine = sslContext.createSSLEngine();
sslEngine.setUseClientMode(client);
sslEngine.setEnableSessionCreation(true);
SSLSession session = sslEngine.getSession();
in = ByteBuffer.allocate(64 * 1024);
emptyBuffer = ByteBuffer.allocate(0);
int netBufferMax = session.getPacketBufferSize();
netOutBuffer = ByteBuffer.allocate(netBufferMax);
netInBuffer = ByteBuffer.allocate(netBufferMax);
}