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/* Copyright (c) 2012-2013, Isode Limited, London, England.
* All rights reserved.
*
* Acquisition and use of this software and related materials for any
* purpose requires a written licence agreement from Isode Limited,
* or a written licence from an organisation licensed by Isode Limited Limited
* to grant such a licence.
*
*/
package com.isode.stroke.tls.java;
import java.util.HashSet;
import java.util.Set;
import com.isode.stroke.tls.TLSContext;
import com.isode.stroke.tls.TLSOptions;
import com.isode.stroke.tls.TLSContextFactory;
/**
* Concrete implementation of a TLSContextFactory which uses SSLEngine
*
* <p>Ciphersuite names recognised by this class correspond to the standard
* names as described in
* <a href=http://docs.oracle.com/javase/7/docs/technotes/guides/security/StandardNames.html#ciphersuites>
* Oracle's "Java Cryptography Architecture Standard Algorithm Name Documentation"</a>.
*
*/
public class JSSEContextFactory implements TLSContextFactory {
@Override
public boolean canCreate() {
return true;
}
@Override
public TLSContext createTLSContext(TLSOptions tlsOptions) {
return new JSSEContext(restrictedCipherSuites);
}
private static Set<String> restrictedCipherSuites = null;
/**
* Restrict which cipher suites are to be enabled for any TLSContexts
* returned by this factory from now on. Any name which is
* not recognised, or not available is ignored: this method cannot be
* used to enable otherwise unavailable ciphersuites.
*
* @param cipherSuites a set of cipher suite names. If this parameter is
* null, then no restriction on cipher suites applies (all suites available
* to the implementation will be enabled).
*
*/
public static void setRestrictedCipherSuites(Set<String> cipherSuites) {
if (cipherSuites == null) {
restrictedCipherSuites = null;
return;
}
restrictedCipherSuites = new HashSet<String>(cipherSuites);
}
}
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