Secure Sockets - Java Network Programming - page 341

Arrays . fill ( password , '0' );
SSLServerSocketFactory factory
= context . getServerSocketFactory ();
SSLServerSocket server
= ( SSLServerSocket ) factory . createServerSocket ( PORT );
// add anonymous (non-authenticated) cipher suites
String [] supported = server . getSupportedCipherSuites ();
String [] anonCipherSuitesSupported = new String [ supported . length ];
int numAnonCipherSuitesSupported = 0 ;
for ( int i = 0 ; i < supported . length ; i ++) {
if ( supported [ i ]. indexOf ( "_anon_" ) > 0 ) {
anonCipherSuitesSupported [ numAnonCipherSuitesSupported ++] =
supported [ i ];
}
}
String [] oldEnabled = server . getEnabledCipherSuites ();
String [] newEnabled = new String [ oldEnabled . length
+ numAnonCipherSuitesSupported ];
System . arraycopy ( oldEnabled , 0 , newEnabled , 0 , oldEnabled . length );
System . arraycopy ( anonCipherSuitesSupported , 0 , newEnabled ,
oldEnabled . length , numAnonCipherSuitesSupported );
server . setEnabledCipherSuites ( newEnabled );
// Now all the set up is complete and we can focus
// on the actual communication.
while ( true ) {
// This socket will be secure,
// but there's no indication of that in the code!
try ( Socket theConnection = server . accept ()) {
InputStream in = theConnection . getInputStream ();
int c ;
while (( c = in . read ()) != - 1 ) {
System . out . write ( c );
}
} catch ( IOException ex ) {
ex . printStackTrace ();
}
}
} catch ( IOException | KeyManagementException
| KeyStoreException | NoSuchAlgorithmException
| CertificateException | UnrecoverableKeyException ex ) {
ex . printStackTrace ();
}
}
}