/*
* JBoss, Home of Professional Open Source.
* Copyright 2017, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.clustering.jgroups.protocol;
import java.security.KeyPair;
import java.security.KeyStore;
import javax.crypto.Cipher;
import org.jboss.as.clustering.jgroups.logging.JGroupsLogger;
import org.kohsuke.MetaInfServices;
/**
* {@link org.jgroups.protocols.ASYM_ENCRYPT} override that uses a private/public key pair from an injected key store.
* @author Paul Ferraro
*/
@MetaInfServices(CustomProtocol.class)
public class ASYM_ENCRYPT extends org.jgroups.protocols.ASYM_ENCRYPT implements EncryptProtocol {
private volatile KeyStore store;
private volatile String alias;
private volatile KeyStore.ProtectionParameter password;
@Override
public void setKeyStore(KeyStore store) {
this.store = store;
}
@Override
public void setKeyAlias(String alias) {
this.alias = alias;
}
@Override
public void setKeyPassword(KeyStore.ProtectionParameter password) {
this.password = password;
}
@Override
protected void initKeyPair() throws Exception {
KeyStore store = this.store;
String alias = this.alias;
if (!store.entryInstanceOf(alias, KeyStore.PrivateKeyEntry.class)) {
throw JGroupsLogger.ROOT_LOGGER.privateKeyStoreEntryExpected(alias);
}
KeyStore.PrivateKeyEntry entry = (KeyStore.PrivateKeyEntry) store.getEntry(alias, this.password);
this.key_pair = new KeyPair(entry.getCertificate().getPublicKey(), entry.getPrivateKey());
String provider = this.provider;
this.asym_cipher = (provider != null) ? Cipher.getInstance(this.asym_algorithm, provider) : Cipher.getInstance(this.asym_algorithm);
this.asym_cipher.init(Cipher.DECRYPT_MODE, this.key_pair.getPrivate());
}
}