本文整理汇总了Java中javax.net.ssl.SSLEngine.getDelegatedTask方法的典型用法代码示例。如果您正苦于以下问题：Java SSLEngine.getDelegatedTask方法的具体用法？Java SSLEngine.getDelegatedTask怎么用？Java SSLEngine.getDelegatedTask使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.net.ssl.SSLEngine的用法示例。
在下文中一共展示了SSLEngine.getDelegatedTask方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: runDelegatedTasks
import javax.net.ssl.SSLEngine; //导入方法依赖的package包/类
private static void runDelegatedTasks(SSLEngine engine) {
Runnable runnable;
System.out.println("Running delegated tasks...");
while ((runnable = engine.getDelegatedTask()) != null) {
runnable.run();
}
HandshakeStatus hs = engine.getHandshakeStatus();
if (hs == HandshakeStatus.NEED_TASK) {
throw new Error("Handshake shouldn't need additional tasks.");
}
}
示例2: doHandshake
import javax.net.ssl.SSLEngine; //导入方法依赖的package包/类
public static SSLEngineResult.HandshakeStatus doHandshake(SSLEngine tlsEngine,
ByteBuffer netDataBuf,
OutputStream out,
InputStream in){
try {
ByteBuffer empty;
/*Apparently on Android 4.4 (API_19) SSLEngine whines about BUFFER_OVERFLOW for this
buffer even though nothing ever gets written to it*/
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH){
empty = ByteBuffer.allocate(0);
} else {
empty = ByteBuffer.allocate(tlsEngine.getSession().getApplicationBufferSize());
}
// ClientHello -> netDataBuf
tlsEngine.wrap(empty, netDataBuf);
netDataBuf.flip();
byte[] clientHello = new byte[netDataBuf.limit()];
netDataBuf.get(clientHello);
out.write(ConnectionHelper.intToByteArray(clientHello.length));
out.write(clientHello);
// netDataBuf <- ServerHello..ServerHelloDone
int serverHelloSize = ByteBuffer.wrap(ConnectionHelper.readAll(4, in)).getInt();
byte[] serverHello = ConnectionHelper.readAll(serverHelloSize, in);
netDataBuf.clear();
netDataBuf.put(serverHello);
netDataBuf.flip();
SSLEngineResult result = tlsEngine.unwrap(netDataBuf, empty);
while (result.getHandshakeStatus() == SSLEngineResult.HandshakeStatus.NEED_UNWRAP){
result = tlsEngine.unwrap(netDataBuf, empty);
}
Runnable task = tlsEngine.getDelegatedTask();
while (task != null){
task.run();
task = tlsEngine.getDelegatedTask();
}
// [client]Certificate*..ClientKeyExchange..Finished -> netDataBuf
netDataBuf.clear();
result = tlsEngine.wrap(empty, netDataBuf);
while (result.getHandshakeStatus() == SSLEngineResult.HandshakeStatus.NEED_WRAP){
result = tlsEngine.wrap(empty, netDataBuf);
}
netDataBuf.flip();
byte[] clientKeyExchange = new byte[netDataBuf.limit()];
netDataBuf.get(clientKeyExchange);
out.write(ConnectionHelper.intToByteArray(clientKeyExchange.length));
out.write(clientKeyExchange);
// netDataBuf <- ChangeCipherSpec..Finished
int serverChangeCipherSpecSize = ByteBuffer.wrap(ConnectionHelper.readAll(4, in)).getInt();
byte[] serverChangeCipherSpec = ConnectionHelper.readAll(serverChangeCipherSpecSize, in);
netDataBuf.clear();
netDataBuf.put(serverChangeCipherSpec);
netDataBuf.flip();
result = tlsEngine.unwrap(netDataBuf, empty);
while (result.getHandshakeStatus() == SSLEngineResult.HandshakeStatus.NEED_UNWRAP){
result = tlsEngine.unwrap(netDataBuf, empty);
}
/*Apparently on Android 4.4 (API_19) with SSLEngine the latest call tlsEngine.unwrap(..)
that finishes the handshake returns NOT_HANDSHAKING instead of FINISHED as the result*/
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH){
return result.getHandshakeStatus();
} else {
if (result.getHandshakeStatus() == SSLEngineResult.HandshakeStatus.NOT_HANDSHAKING){
return SSLEngineResult.HandshakeStatus.FINISHED;
} else if (result.getHandshakeStatus() == SSLEngineResult.HandshakeStatus.FINISHED) {
// just in case
return result.getHandshakeStatus();
} else {
return null;
}
}
} catch (IOException e){
return null;
}
}